./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/eqn3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b0fb0070f46fa34e60f2a21833c13b7b67c557f142ffbdfed9bc8ff3d84f7456 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 19:55:14,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:55:14,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:55:14,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:55:14,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:55:14,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:55:14,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:55:14,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:55:14,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:55:14,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:55:14,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:55:14,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:55:14,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:55:14,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:55:14,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:55:14,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:55:14,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:55:14,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:55:14,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:55:14,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:55:14,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:55:14,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:55:14,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:55:14,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:55:14,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:55:14,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:55:14,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:55:14,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:55:14,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:55:14,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:55:14,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:55:14,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:55:14,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:55:14,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:55:14,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:55:14,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:55:14,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:55:14,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:55:14,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:55:14,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:55:14,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:55:14,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-20 19:55:14,188 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:55:14,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:55:14,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:55:14,189 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:55:14,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:55:14,190 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:55:14,190 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:55:14,191 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:55:14,191 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:55:14,191 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:55:14,191 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:55:14,191 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:55:14,192 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:55:14,192 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:55:14,192 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:55:14,192 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:55:14,192 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:55:14,193 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:55:14,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:55:14,193 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 19:55:14,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:55:14,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 19:55:14,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:55:14,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:55:14,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:55:14,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:55:14,195 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 19:55:14,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:55:14,195 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:55:14,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:55:14,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:55:14,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:55:14,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:55:14,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:55:14,196 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:55:14,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:55:14,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:55:14,197 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:55:14,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:55:14,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:55:14,197 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:55:14,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0fb0070f46fa34e60f2a21833c13b7b67c557f142ffbdfed9bc8ff3d84f7456 [2022-11-20 19:55:14,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:55:14,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:55:14,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:55:14,470 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:55:14,470 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:55:14,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/array-fpi/eqn3.c [2022-11-20 19:55:17,471 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:55:17,737 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:55:17,738 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/sv-benchmarks/c/array-fpi/eqn3.c [2022-11-20 19:55:17,748 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/data/23d13d47e/226485df347048888fef8e3bf1651010/FLAGe2deb7396 [2022-11-20 19:55:17,761 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/data/23d13d47e/226485df347048888fef8e3bf1651010 [2022-11-20 19:55:17,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:55:17,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:55:17,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:55:17,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:55:17,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:55:17,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:55:17" (1/1) ... [2022-11-20 19:55:17,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bf535b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:17, skipping insertion in model container [2022-11-20 19:55:17,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:55:17" (1/1) ... [2022-11-20 19:55:17,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:55:17,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:55:17,939 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/sv-benchmarks/c/array-fpi/eqn3.c[587,600] [2022-11-20 19:55:17,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:55:17,967 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:55:17,979 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/sv-benchmarks/c/array-fpi/eqn3.c[587,600] [2022-11-20 19:55:17,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:55:18,001 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:55:18,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:18 WrapperNode [2022-11-20 19:55:18,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:55:18,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:55:18,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:55:18,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:55:18,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:18" (1/1) ... [2022-11-20 19:55:18,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:18" (1/1) ... [2022-11-20 19:55:18,055 INFO L138 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2022-11-20 19:55:18,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:55:18,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:55:18,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:55:18,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:55:18,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:18" (1/1) ... [2022-11-20 19:55:18,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:18" (1/1) ... [2022-11-20 19:55:18,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:18" (1/1) ... [2022-11-20 19:55:18,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:18" (1/1) ... [2022-11-20 19:55:18,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:18" (1/1) ... [2022-11-20 19:55:18,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:18" (1/1) ... [2022-11-20 19:55:18,098 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:18" (1/1) ... [2022-11-20 19:55:18,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:18" (1/1) ... [2022-11-20 19:55:18,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:55:18,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:55:18,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:55:18,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:55:18,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:18" (1/1) ... [2022-11-20 19:55:18,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:55:18,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:55:18,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:55:18,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:55:18,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 19:55:18,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 19:55:18,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 19:55:18,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 19:55:18,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:55:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:55:18,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 19:55:18,289 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:55:18,291 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:55:18,465 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:55:18,527 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:55:18,527 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 19:55:18,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:55:18 BoogieIcfgContainer [2022-11-20 19:55:18,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:55:18,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:55:18,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:55:18,537 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:55:18,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:55:17" (1/3) ... [2022-11-20 19:55:18,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3821d4be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:55:18, skipping insertion in model container [2022-11-20 19:55:18,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:18" (2/3) ... [2022-11-20 19:55:18,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3821d4be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:55:18, skipping insertion in model container [2022-11-20 19:55:18,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:55:18" (3/3) ... [2022-11-20 19:55:18,545 INFO L112 eAbstractionObserver]: Analyzing ICFG eqn3.c [2022-11-20 19:55:18,565 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:55:18,566 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 19:55:18,620 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 19:55:18,629 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@53276548, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 19:55:18,630 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 19:55:18,636 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:18,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 19:55:18,644 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:55:18,645 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:55:18,645 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:55:18,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:55:18,653 INFO L85 PathProgramCache]: Analyzing trace with hash -735732333, now seen corresponding path program 1 times [2022-11-20 19:55:18,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:55:18,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531696571] [2022-11-20 19:55:18,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:18,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:55:18,852 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:55:18,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [501494489] [2022-11-20 19:55:18,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:18,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:18,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:55:18,873 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:55:18,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 19:55:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:55:19,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 19:55:19,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:55:19,260 INFO L321 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-11-20 19:55:19,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 74 [2022-11-20 19:55:19,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:55:19,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:55:19,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2022-11-20 19:55:19,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:55:19,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:55:19,516 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:55:19,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:55:19,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531696571] [2022-11-20 19:55:19,517 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:55:19,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501494489] [2022-11-20 19:55:19,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501494489] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:55:19,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:55:19,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 19:55:19,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309698314] [2022-11-20 19:55:19,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:55:19,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 19:55:19,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:55:19,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 19:55:19,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:55:19,558 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:19,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:55:19,682 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2022-11-20 19:55:19,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 19:55:19,684 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-20 19:55:19,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:55:19,692 INFO L225 Difference]: With dead ends: 35 [2022-11-20 19:55:19,693 INFO L226 Difference]: Without dead ends: 20 [2022-11-20 19:55:19,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-20 19:55:19,698 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 20 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:55:19,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 19 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:55:19,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-20 19:55:19,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2022-11-20 19:55:19,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:19,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2022-11-20 19:55:19,735 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 17 transitions. Word has length 7 [2022-11-20 19:55:19,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:55:19,736 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-20 19:55:19,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2022-11-20 19:55:19,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 19:55:19,737 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:55:19,738 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:55:19,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 19:55:19,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-20 19:55:19,944 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:55:19,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:55:19,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1337635293, now seen corresponding path program 1 times [2022-11-20 19:55:19,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:55:19,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238233667] [2022-11-20 19:55:19,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:19,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:55:19,996 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:55:19,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [311700946] [2022-11-20 19:55:19,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:19,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:19,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:55:19,998 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:55:20,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 19:55:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:55:20,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:55:20,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:55:20,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:55:20,090 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:55:20,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:55:20,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238233667] [2022-11-20 19:55:20,091 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:55:20,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311700946] [2022-11-20 19:55:20,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311700946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:55:20,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:55:20,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 19:55:20,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339901648] [2022-11-20 19:55:20,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:55:20,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:55:20,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:55:20,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:55:20,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:55:20,095 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:20,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:55:20,149 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2022-11-20 19:55:20,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:55:20,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-20 19:55:20,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:55:20,151 INFO L225 Difference]: With dead ends: 25 [2022-11-20 19:55:20,151 INFO L226 Difference]: Without dead ends: 19 [2022-11-20 19:55:20,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:55:20,153 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 4 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:55:20,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:55:20,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-20 19:55:20,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 13. [2022-11-20 19:55:20,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:20,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2022-11-20 19:55:20,158 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 8 [2022-11-20 19:55:20,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:55:20,159 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-11-20 19:55:20,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:20,159 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-11-20 19:55:20,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 19:55:20,160 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:55:20,160 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:55:20,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 19:55:20,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:20,366 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:55:20,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:55:20,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1611921030, now seen corresponding path program 1 times [2022-11-20 19:55:20,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:55:20,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016074911] [2022-11-20 19:55:20,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:20,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:55:20,415 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:55:20,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1505508753] [2022-11-20 19:55:20,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:20,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:20,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:55:20,422 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:55:20,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 19:55:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:55:20,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:55:20,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:55:20,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:55:20,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:55:20,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:55:20,577 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:55:20,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016074911] [2022-11-20 19:55:20,577 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:55:20,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505508753] [2022-11-20 19:55:20,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505508753] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:55:20,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [377379638] [2022-11-20 19:55:20,600 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-20 19:55:20,600 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:55:20,604 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:55:20,611 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:55:20,612 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:55:20,862 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-20 19:55:20,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-20 19:55:20,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-20 19:55:21,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-20 19:55:21,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-11-20 19:55:21,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:21,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:21,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,484 INFO L321 Elim1Store]: treesize reduction 241, result has 12.4 percent of original size [2022-11-20 19:55:21,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 524 treesize of output 534 [2022-11-20 19:55:21,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:21,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-20 19:55:21,753 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:55:22,148 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '238#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (<= ~N~0 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 19:55:22,148 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:55:22,148 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 19:55:22,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2022-11-20 19:55:22,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711615260] [2022-11-20 19:55:22,149 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 19:55:22,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 19:55:22,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:55:22,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 19:55:22,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-20 19:55:22,150 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:22,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:55:22,252 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2022-11-20 19:55:22,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 19:55:22,252 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-20 19:55:22,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:55:22,253 INFO L225 Difference]: With dead ends: 29 [2022-11-20 19:55:22,253 INFO L226 Difference]: Without dead ends: 24 [2022-11-20 19:55:22,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2022-11-20 19:55:22,254 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 16 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:55:22,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 18 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:55:22,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-20 19:55:22,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 14. [2022-11-20 19:55:22,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:22,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2022-11-20 19:55:22,259 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 17 transitions. Word has length 8 [2022-11-20 19:55:22,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:55:22,260 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-11-20 19:55:22,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:22,260 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-11-20 19:55:22,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 19:55:22,261 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:55:22,261 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:55:22,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 19:55:22,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:22,467 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:55:22,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:55:22,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1565286172, now seen corresponding path program 1 times [2022-11-20 19:55:22,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:55:22,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774332133] [2022-11-20 19:55:22,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:22,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:55:22,518 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:55:22,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1943673547] [2022-11-20 19:55:22,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:22,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:22,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:55:22,524 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:55:22,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 19:55:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:55:22,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-20 19:55:22,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:55:22,677 INFO L321 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-11-20 19:55:22,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 74 [2022-11-20 19:55:22,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:55:22,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:55:22,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:22,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 5 [2022-11-20 19:55:22,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:55:22,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-20 19:55:22,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 19:55:22,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-20 19:55:22,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:55:22,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:55:23,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:55:23,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:55:23,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774332133] [2022-11-20 19:55:23,012 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:55:23,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943673547] [2022-11-20 19:55:23,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943673547] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:55:23,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [164643786] [2022-11-20 19:55:23,015 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-20 19:55:23,015 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:55:23,015 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:55:23,016 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:55:23,016 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:55:23,149 INFO L321 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-20 19:55:23,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 64 [2022-11-20 19:55:23,236 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-20 19:55:23,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-11-20 19:55:23,404 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-20 19:55:23,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-20 19:55:23,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:23,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-20 19:55:23,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:23,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:23,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,755 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-20 19:55:23,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 560 treesize of output 528 [2022-11-20 19:55:23,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-20 19:55:23,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:23,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:23,975 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:23,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:55:24,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:24,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:24,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:24,021 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:24,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:55:24,042 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:55:24,473 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '368#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 19:55:24,473 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:55:24,473 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 19:55:24,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2022-11-20 19:55:24,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927378425] [2022-11-20 19:55:24,474 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 19:55:24,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 19:55:24,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:55:24,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 19:55:24,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2022-11-20 19:55:24,475 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:24,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:55:24,648 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2022-11-20 19:55:24,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 19:55:24,649 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-20 19:55:24,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:55:24,650 INFO L225 Difference]: With dead ends: 31 [2022-11-20 19:55:24,650 INFO L226 Difference]: Without dead ends: 29 [2022-11-20 19:55:24,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2022-11-20 19:55:24,651 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 41 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:55:24,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 18 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 52 Invalid, 0 Unknown, 9 Unchecked, 0.1s Time] [2022-11-20 19:55:24,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-20 19:55:24,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 15. [2022-11-20 19:55:24,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:24,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2022-11-20 19:55:24,656 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 19 transitions. Word has length 9 [2022-11-20 19:55:24,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:55:24,656 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-20 19:55:24,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:24,656 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2022-11-20 19:55:24,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 19:55:24,657 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:55:24,657 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:55:24,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 19:55:24,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-11-20 19:55:24,863 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:55:24,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:55:24,864 INFO L85 PathProgramCache]: Analyzing trace with hash -978676906, now seen corresponding path program 1 times [2022-11-20 19:55:24,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:55:24,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987651857] [2022-11-20 19:55:24,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:24,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:55:24,882 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:55:24,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [112120489] [2022-11-20 19:55:24,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:24,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:24,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:55:24,883 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:55:24,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 19:55:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:55:24,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 19:55:24,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:55:24,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:55:24,997 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:55:24,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:55:24,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987651857] [2022-11-20 19:55:24,997 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:55:24,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112120489] [2022-11-20 19:55:24,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112120489] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:55:24,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:55:24,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 19:55:24,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910459721] [2022-11-20 19:55:24,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:55:24,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 19:55:24,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:55:24,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 19:55:24,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-20 19:55:24,999 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:25,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:55:25,062 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2022-11-20 19:55:25,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 19:55:25,063 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-20 19:55:25,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:55:25,064 INFO L225 Difference]: With dead ends: 29 [2022-11-20 19:55:25,064 INFO L226 Difference]: Without dead ends: 19 [2022-11-20 19:55:25,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-11-20 19:55:25,065 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 10 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:55:25,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 12 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:55:25,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-20 19:55:25,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 14. [2022-11-20 19:55:25,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:25,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2022-11-20 19:55:25,069 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 17 transitions. Word has length 10 [2022-11-20 19:55:25,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:55:25,069 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-11-20 19:55:25,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:25,069 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-11-20 19:55:25,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 19:55:25,070 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:55:25,070 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:55:25,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-20 19:55:25,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:25,275 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:55:25,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:55:25,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1274461626, now seen corresponding path program 2 times [2022-11-20 19:55:25,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:55:25,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871667673] [2022-11-20 19:55:25,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:25,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:55:25,306 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:55:25,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1593872031] [2022-11-20 19:55:25,306 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 19:55:25,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:25,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:55:25,313 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:55:25,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 19:55:25,388 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-20 19:55:25,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:55:25,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 19:55:25,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:55:25,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:55:25,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:55:25,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:55:25,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:55:25,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871667673] [2022-11-20 19:55:25,459 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:55:25,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593872031] [2022-11-20 19:55:25,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593872031] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:55:25,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1101415065] [2022-11-20 19:55:25,462 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-20 19:55:25,462 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:55:25,463 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:55:25,463 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:55:25,463 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:55:25,585 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-20 19:55:25,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-20 19:55:25,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-20 19:55:25,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-20 19:55:25,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-11-20 19:55:25,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:25,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:25,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:25,975 INFO L321 Elim1Store]: treesize reduction 241, result has 12.4 percent of original size [2022-11-20 19:55:25,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 522 treesize of output 534 [2022-11-20 19:55:26,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:26,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-20 19:55:26,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:26,211 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:26,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-20 19:55:26,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:26,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:26,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:26,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:26,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:26,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:26,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:26,324 INFO L321 Elim1Store]: treesize reduction 248, result has 12.1 percent of original size [2022-11-20 19:55:26,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 146 treesize of output 182 [2022-11-20 19:55:26,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:26,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:26,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:26,401 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:26,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:55:26,421 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:55:26,720 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '612#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 19:55:26,720 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:55:26,720 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 19:55:26,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2022-11-20 19:55:26,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649537221] [2022-11-20 19:55:26,721 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 19:55:26,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 19:55:26,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:55:26,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 19:55:26,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-20 19:55:26,722 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:26,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:55:26,816 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2022-11-20 19:55:26,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 19:55:26,816 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-20 19:55:26,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:55:26,817 INFO L225 Difference]: With dead ends: 33 [2022-11-20 19:55:26,817 INFO L226 Difference]: Without dead ends: 27 [2022-11-20 19:55:26,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2022-11-20 19:55:26,818 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 8 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:55:26,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 18 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:55:26,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-20 19:55:26,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 17. [2022-11-20 19:55:26,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:26,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2022-11-20 19:55:26,822 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 10 [2022-11-20 19:55:26,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:55:26,823 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-11-20 19:55:26,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:26,823 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-11-20 19:55:26,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 19:55:26,823 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:55:26,824 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:55:26,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 19:55:27,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:27,025 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:55:27,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:55:27,025 INFO L85 PathProgramCache]: Analyzing trace with hash -746752909, now seen corresponding path program 3 times [2022-11-20 19:55:27,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:55:27,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974236407] [2022-11-20 19:55:27,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:27,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:55:27,064 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:55:27,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1156735531] [2022-11-20 19:55:27,076 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 19:55:27,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:27,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:55:27,081 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:55:27,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 19:55:27,328 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 19:55:27,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:55:27,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-20 19:55:27,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:55:27,376 INFO L321 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-11-20 19:55:27,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 74 [2022-11-20 19:55:27,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:55:27,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:55:27,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:27,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 5 [2022-11-20 19:55:27,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:55:27,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-20 19:55:27,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:27,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-20 19:55:27,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:55:27,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 19:55:27,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:27,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-20 19:55:27,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:27,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-20 19:55:27,688 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:55:27,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:55:28,053 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 19:55:28,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:55:28,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974236407] [2022-11-20 19:55:28,054 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:55:28,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156735531] [2022-11-20 19:55:28,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156735531] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:55:28,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [821610658] [2022-11-20 19:55:28,056 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-20 19:55:28,057 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:55:28,057 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:55:28,057 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:55:28,057 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:55:28,183 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-20 19:55:28,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-20 19:55:28,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-20 19:55:28,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-20 19:55:28,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:28,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-20 19:55:28,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:28,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:28,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,532 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-20 19:55:28,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 560 treesize of output 528 [2022-11-20 19:55:28,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-20 19:55:28,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:28,658 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:28,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:55:28,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:28,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:28,763 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-20 19:55:28,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 191 [2022-11-20 19:55:28,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:28,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:28,805 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:28,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:55:28,822 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:55:29,182 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '770#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 19:55:29,182 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:55:29,182 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 19:55:29,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2022-11-20 19:55:29,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677774324] [2022-11-20 19:55:29,183 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 19:55:29,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-20 19:55:29,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:55:29,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-20 19:55:29,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=312, Unknown=1, NotChecked=0, Total=380 [2022-11-20 19:55:29,184 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:29,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:55:29,383 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2022-11-20 19:55:29,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-20 19:55:29,384 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-20 19:55:29,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:55:29,385 INFO L225 Difference]: With dead ends: 29 [2022-11-20 19:55:29,385 INFO L226 Difference]: Without dead ends: 27 [2022-11-20 19:55:29,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=100, Invalid=450, Unknown=2, NotChecked=0, Total=552 [2022-11-20 19:55:29,386 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 13 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 35 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:55:29,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 19 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 39 Invalid, 0 Unknown, 35 Unchecked, 0.1s Time] [2022-11-20 19:55:29,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-20 19:55:29,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2022-11-20 19:55:29,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:29,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2022-11-20 19:55:29,392 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 25 transitions. Word has length 11 [2022-11-20 19:55:29,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:55:29,393 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-11-20 19:55:29,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:29,393 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2022-11-20 19:55:29,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 19:55:29,393 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:55:29,394 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:55:29,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 19:55:29,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:29,594 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:55:29,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:55:29,595 INFO L85 PathProgramCache]: Analyzing trace with hash 985561389, now seen corresponding path program 1 times [2022-11-20 19:55:29,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:55:29,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187419329] [2022-11-20 19:55:29,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:29,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:55:29,614 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:55:29,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1239583657] [2022-11-20 19:55:29,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:29,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:29,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:55:29,616 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:55:29,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 19:55:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:55:29,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-20 19:55:29,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:55:29,787 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-20 19:55:29,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-11-20 19:55:29,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-20 19:55:29,826 INFO L321 Elim1Store]: treesize reduction 32, result has 36.0 percent of original size [2022-11-20 19:55:29,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 68 [2022-11-20 19:55:29,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:55:29,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 79 [2022-11-20 19:55:29,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 52 [2022-11-20 19:55:29,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:29,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2022-11-20 19:55:30,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-20 19:55:30,086 INFO L321 Elim1Store]: treesize reduction 28, result has 15.2 percent of original size [2022-11-20 19:55:30,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 111 treesize of output 105 [2022-11-20 19:55:30,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:30,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:30,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 83 [2022-11-20 19:55:30,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:30,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 56 [2022-11-20 19:55:30,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:30,158 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:30,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2022-11-20 19:55:30,283 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 19:55:30,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 32 [2022-11-20 19:55:30,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:55:30,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:55:30,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:55:30,814 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:55:30,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187419329] [2022-11-20 19:55:30,814 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:55:30,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239583657] [2022-11-20 19:55:30,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239583657] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:55:30,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1828192741] [2022-11-20 19:55:30,817 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-20 19:55:30,818 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:55:30,818 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:55:30,818 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:55:30,818 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:55:30,946 INFO L321 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-20 19:55:30,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 64 [2022-11-20 19:55:31,028 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-20 19:55:31,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-11-20 19:55:31,200 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-20 19:55:31,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-20 19:55:31,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:31,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-20 19:55:31,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:31,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:31,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,482 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-20 19:55:31,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 589 treesize of output 530 [2022-11-20 19:55:31,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-20 19:55:31,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,614 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:31,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-20 19:55:31,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:31,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:31,723 INFO L321 Elim1Store]: treesize reduction 253, result has 10.3 percent of original size [2022-11-20 19:55:31,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 146 treesize of output 177 [2022-11-20 19:55:31,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:31,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:31,772 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:31,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:55:31,936 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:55:32,391 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '942#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 19:55:32,391 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:55:32,391 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 19:55:32,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2022-11-20 19:55:32,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004502365] [2022-11-20 19:55:32,392 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 19:55:32,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-20 19:55:32,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:55:32,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-20 19:55:32,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2022-11-20 19:55:32,393 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. Second operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:32,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:55:32,581 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2022-11-20 19:55:32,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 19:55:32,584 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-20 19:55:32,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:55:32,584 INFO L225 Difference]: With dead ends: 26 [2022-11-20 19:55:32,584 INFO L226 Difference]: Without dead ends: 24 [2022-11-20 19:55:32,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2022-11-20 19:55:32,585 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:55:32,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 17 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 17 Unchecked, 0.1s Time] [2022-11-20 19:55:32,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-20 19:55:32,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2022-11-20 19:55:32,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:32,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2022-11-20 19:55:32,592 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 28 transitions. Word has length 12 [2022-11-20 19:55:32,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:55:32,593 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 28 transitions. [2022-11-20 19:55:32,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:32,593 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2022-11-20 19:55:32,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 19:55:32,593 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:55:32,594 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:55:32,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-20 19:55:32,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:32,799 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:55:32,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:55:32,800 INFO L85 PathProgramCache]: Analyzing trace with hash -522629517, now seen corresponding path program 4 times [2022-11-20 19:55:32,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:55:32,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628714888] [2022-11-20 19:55:32,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:32,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:55:32,854 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:55:32,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2104001557] [2022-11-20 19:55:32,854 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-20 19:55:32,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:32,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:55:32,855 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:55:32,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-20 19:55:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:55:32,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 19:55:32,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:55:33,008 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 19:55:33,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:55:33,048 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 19:55:33,048 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:55:33,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628714888] [2022-11-20 19:55:33,049 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:55:33,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104001557] [2022-11-20 19:55:33,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104001557] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:55:33,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1212220424] [2022-11-20 19:55:33,051 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-20 19:55:33,051 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:55:33,051 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:55:33,051 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:55:33,051 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:55:33,133 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-20 19:55:33,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-11-20 19:55:33,248 INFO L321 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-20 19:55:33,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 64 [2022-11-20 19:55:33,376 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-20 19:55:33,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-20 19:55:33,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-11-20 19:55:33,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:33,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:33,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,697 INFO L321 Elim1Store]: treesize reduction 246, result has 10.5 percent of original size [2022-11-20 19:55:33,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 522 treesize of output 529 [2022-11-20 19:55:33,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-20 19:55:33,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,828 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:33,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-20 19:55:33,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:33,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:33,944 INFO L321 Elim1Store]: treesize reduction 248, result has 12.1 percent of original size [2022-11-20 19:55:33,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 146 treesize of output 182 [2022-11-20 19:55:33,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:33,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:34,000 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:34,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:55:34,016 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:55:34,318 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1111#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 19:55:34,318 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:55:34,318 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 19:55:34,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2022-11-20 19:55:34,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602379623] [2022-11-20 19:55:34,319 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 19:55:34,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 19:55:34,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:55:34,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 19:55:34,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2022-11-20 19:55:34,320 INFO L87 Difference]: Start difference. First operand 22 states and 28 transitions. Second operand has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:34,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:55:34,554 INFO L93 Difference]: Finished difference Result 61 states and 72 transitions. [2022-11-20 19:55:34,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 19:55:34,556 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-20 19:55:34,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:55:34,557 INFO L225 Difference]: With dead ends: 61 [2022-11-20 19:55:34,557 INFO L226 Difference]: Without dead ends: 43 [2022-11-20 19:55:34,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 20 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=428, Unknown=0, NotChecked=0, Total=552 [2022-11-20 19:55:34,558 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 44 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:55:34,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 30 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:55:34,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-20 19:55:34,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 26. [2022-11-20 19:55:34,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:34,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2022-11-20 19:55:34,566 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 13 [2022-11-20 19:55:34,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:55:34,566 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2022-11-20 19:55:34,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:34,567 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2022-11-20 19:55:34,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 19:55:34,567 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:55:34,567 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:55:34,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-20 19:55:34,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:34,768 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:55:34,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:55:34,768 INFO L85 PathProgramCache]: Analyzing trace with hash -76388954, now seen corresponding path program 2 times [2022-11-20 19:55:34,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:55:34,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884360465] [2022-11-20 19:55:34,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:34,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:55:34,787 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:55:34,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [718355344] [2022-11-20 19:55:34,787 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 19:55:34,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:34,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:55:34,789 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:55:34,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-20 19:55:34,885 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-20 19:55:34,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:55:34,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 19:55:34,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:55:34,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 19:55:34,921 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:55:34,949 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 19:55:34,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:55:34,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884360465] [2022-11-20 19:55:34,949 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:55:34,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718355344] [2022-11-20 19:55:34,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718355344] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:55:34,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1367941280] [2022-11-20 19:55:34,951 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-20 19:55:34,951 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:55:34,951 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:55:34,952 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:55:34,952 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:55:35,059 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-20 19:55:35,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-20 19:55:35,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-20 19:55:35,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-20 19:55:35,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:35,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-20 19:55:35,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:35,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:35,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,366 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-20 19:55:35,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 560 treesize of output 528 [2022-11-20 19:55:35,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-20 19:55:35,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:35,495 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:35,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:55:35,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:35,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:35,564 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-20 19:55:35,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 191 [2022-11-20 19:55:35,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:35,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:35,604 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:35,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:55:35,773 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:55:36,169 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1344#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 19:55:36,169 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:55:36,169 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 19:55:36,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2022-11-20 19:55:36,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810724825] [2022-11-20 19:55:36,170 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 19:55:36,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 19:55:36,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:55:36,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 19:55:36,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-11-20 19:55:36,171 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:36,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:55:36,290 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2022-11-20 19:55:36,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 19:55:36,290 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-20 19:55:36,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:55:36,291 INFO L225 Difference]: With dead ends: 38 [2022-11-20 19:55:36,291 INFO L226 Difference]: Without dead ends: 31 [2022-11-20 19:55:36,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 21 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2022-11-20 19:55:36,292 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 35 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:55:36,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 19 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:55:36,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-20 19:55:36,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 21. [2022-11-20 19:55:36,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:36,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2022-11-20 19:55:36,298 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 13 [2022-11-20 19:55:36,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:55:36,299 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2022-11-20 19:55:36,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:36,299 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-11-20 19:55:36,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 19:55:36,299 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:55:36,300 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:55:36,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-20 19:55:36,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-20 19:55:36,505 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:55:36,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:55:36,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1419825270, now seen corresponding path program 3 times [2022-11-20 19:55:36,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:55:36,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185450871] [2022-11-20 19:55:36,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:36,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:55:36,527 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:55:36,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1001811272] [2022-11-20 19:55:36,537 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 19:55:36,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:36,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:55:36,538 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:55:36,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-20 19:55:36,771 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 19:55:36,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:55:36,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-20 19:55:36,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:55:36,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-20 19:55:36,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:36,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-20 19:55:36,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-20 19:55:36,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:55:36,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:55:36,870 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 19:55:36,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 68 [2022-11-20 19:55:36,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:36,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:36,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-11-20 19:55:36,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:36,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:36,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 19 [2022-11-20 19:55:36,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:36,925 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:36,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-20 19:55:36,992 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 19:55:36,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 147 treesize of output 135 [2022-11-20 19:55:36,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:36,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:37,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:37,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:37,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:37,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 210 [2022-11-20 19:55:37,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:37,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:37,078 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:37,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 44 [2022-11-20 19:55:37,217 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:55:37,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:55:39,604 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:55:39,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:55:39,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185450871] [2022-11-20 19:55:39,605 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:55:39,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001811272] [2022-11-20 19:55:39,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001811272] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:55:39,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [694260046] [2022-11-20 19:55:39,608 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-20 19:55:39,608 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:55:39,608 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:55:39,608 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:55:39,609 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:55:39,693 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-20 19:55:39,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-11-20 19:55:39,815 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-20 19:55:39,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-20 19:55:39,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-20 19:55:39,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:39,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:39,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-20 19:55:40,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:40,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:40,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,099 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-20 19:55:40,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 589 treesize of output 530 [2022-11-20 19:55:40,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-20 19:55:40,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,201 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:40,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-20 19:55:40,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:40,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:40,329 INFO L321 Elim1Store]: treesize reduction 248, result has 12.1 percent of original size [2022-11-20 19:55:40,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 146 treesize of output 182 [2022-11-20 19:55:40,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:40,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:40,401 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:40,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:55:40,509 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:55:41,067 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1546#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 19:55:41,067 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:55:41,067 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 19:55:41,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2022-11-20 19:55:41,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015120045] [2022-11-20 19:55:41,068 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 19:55:41,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-20 19:55:41,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:55:41,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-20 19:55:41,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2022-11-20 19:55:41,069 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. Second operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:41,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:55:41,427 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2022-11-20 19:55:41,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-20 19:55:41,428 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-20 19:55:41,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:55:41,430 INFO L225 Difference]: With dead ends: 37 [2022-11-20 19:55:41,430 INFO L226 Difference]: Without dead ends: 35 [2022-11-20 19:55:41,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=118, Invalid=694, Unknown=0, NotChecked=0, Total=812 [2022-11-20 19:55:41,431 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 29 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:55:41,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 39 Invalid, 0 Unknown, 29 Unchecked, 0.1s Time] [2022-11-20 19:55:41,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-20 19:55:41,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 28. [2022-11-20 19:55:41,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 27 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:41,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2022-11-20 19:55:41,450 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 14 [2022-11-20 19:55:41,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:55:41,451 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2022-11-20 19:55:41,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:41,451 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2022-11-20 19:55:41,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 19:55:41,452 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:55:41,452 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:55:41,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-20 19:55:41,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:41,658 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:55:41,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:55:41,658 INFO L85 PathProgramCache]: Analyzing trace with hash 916648218, now seen corresponding path program 5 times [2022-11-20 19:55:41,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:55:41,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879214686] [2022-11-20 19:55:41,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:41,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:55:41,679 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:55:41,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [324446560] [2022-11-20 19:55:41,680 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 19:55:41,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:41,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:55:41,681 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:55:41,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-20 19:55:42,061 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-20 19:55:42,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:55:42,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 19:55:42,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:55:42,131 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:55:42,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:55:42,198 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:55:42,198 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:55:42,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879214686] [2022-11-20 19:55:42,199 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:55:42,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324446560] [2022-11-20 19:55:42,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324446560] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:55:42,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1234405701] [2022-11-20 19:55:42,201 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-20 19:55:42,201 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:55:42,201 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:55:42,201 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:55:42,201 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:55:42,279 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-20 19:55:42,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-11-20 19:55:42,396 INFO L321 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-20 19:55:42,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 64 [2022-11-20 19:55:42,533 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-20 19:55:42,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-20 19:55:42,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:42,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-20 19:55:42,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:42,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:42,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,807 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-20 19:55:42,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 589 treesize of output 530 [2022-11-20 19:55:42,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-20 19:55:42,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,916 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:42,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-20 19:55:42,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:42,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:42,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:43,033 INFO L321 Elim1Store]: treesize reduction 253, result has 10.3 percent of original size [2022-11-20 19:55:43,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 146 treesize of output 177 [2022-11-20 19:55:43,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:43,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:43,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:43,090 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:43,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:55:43,106 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:55:43,410 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1758#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 19:55:43,410 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:55:43,410 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 19:55:43,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2022-11-20 19:55:43,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564872717] [2022-11-20 19:55:43,410 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 19:55:43,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-20 19:55:43,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:55:43,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 19:55:43,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2022-11-20 19:55:43,412 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:43,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:55:43,700 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions. [2022-11-20 19:55:43,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 19:55:43,701 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-20 19:55:43,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:55:43,701 INFO L225 Difference]: With dead ends: 71 [2022-11-20 19:55:43,701 INFO L226 Difference]: Without dead ends: 63 [2022-11-20 19:55:43,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 19 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=187, Invalid=683, Unknown=0, NotChecked=0, Total=870 [2022-11-20 19:55:43,703 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 44 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:55:43,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 47 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:55:43,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-20 19:55:43,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 39. [2022-11-20 19:55:43,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.236842105263158) internal successors, (47), 38 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:43,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2022-11-20 19:55:43,716 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 47 transitions. Word has length 14 [2022-11-20 19:55:43,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:55:43,716 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 47 transitions. [2022-11-20 19:55:43,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:43,716 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2022-11-20 19:55:43,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 19:55:43,717 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:55:43,717 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:55:43,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-20 19:55:43,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:43,921 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:55:43,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:55:43,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1710382253, now seen corresponding path program 6 times [2022-11-20 19:55:43,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:55:43,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908534165] [2022-11-20 19:55:43,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:43,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:55:43,942 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:55:43,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [713439185] [2022-11-20 19:55:43,943 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 19:55:43,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:43,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:55:43,944 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:55:43,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-20 19:55:44,812 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 19:55:44,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:55:44,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 57 conjunts are in the unsatisfiable core [2022-11-20 19:55:44,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:55:44,850 INFO L321 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-11-20 19:55:44,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 74 [2022-11-20 19:55:44,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:55:44,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:55:44,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:44,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 5 [2022-11-20 19:55:44,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:55:44,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-20 19:55:44,938 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse1 (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|))) (and (let ((.cse0 (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1))) (or (and .cse0 (exists ((v_DerPreprocessor_15 (Array Int Int)) (v_DerPreprocessor_14 (Array Int Int))) (and (= (select v_DerPreprocessor_15 |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (select (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_DerPreprocessor_14) |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_15) |c_ULTIMATE.start_main_~a~0#1.base| v_DerPreprocessor_14) |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_15) |c_ULTIMATE.start_main_~a~0#1.base|))))) (and .cse0 .cse1))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (not .cse1) (= |c_ULTIMATE.start_main_~i~0#1| 1))) is different from true [2022-11-20 19:55:44,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:44,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-20 19:55:44,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:55:44,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 19:55:45,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 19:55:45,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 19:55:45,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 58 [2022-11-20 19:55:45,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:45,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:45,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-11-20 19:55:45,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:45,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:45,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 26 [2022-11-20 19:55:45,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 58 [2022-11-20 19:55:45,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:45,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:45,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-11-20 19:55:45,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:45,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:45,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 26 [2022-11-20 19:55:45,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:45,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-20 19:55:45,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:45,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-20 19:55:45,259 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2022-11-20 19:55:45,259 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:55:46,014 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 19:55:46,014 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:55:46,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908534165] [2022-11-20 19:55:46,014 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:55:46,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713439185] [2022-11-20 19:55:46,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713439185] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:55:46,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1465020259] [2022-11-20 19:55:46,016 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-20 19:55:46,016 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:55:46,017 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:55:46,017 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:55:46,017 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:55:46,124 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-20 19:55:46,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-20 19:55:46,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-20 19:55:46,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-20 19:55:46,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:46,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-20 19:55:46,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:46,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:46,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,425 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-20 19:55:46,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 560 treesize of output 528 [2022-11-20 19:55:46,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-20 19:55:46,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,543 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:46,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-20 19:55:46,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:46,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:46,674 INFO L321 Elim1Store]: treesize reduction 253, result has 10.3 percent of original size [2022-11-20 19:55:46,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 146 treesize of output 177 [2022-11-20 19:55:46,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:46,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:46,720 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:46,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:55:46,734 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:55:47,041 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2055#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 19:55:47,041 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:55:47,041 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 19:55:47,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 21 [2022-11-20 19:55:47,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469271978] [2022-11-20 19:55:47,041 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 19:55:47,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-20 19:55:47,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:55:47,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-20 19:55:47,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=487, Unknown=4, NotChecked=46, Total=650 [2022-11-20 19:55:47,043 INFO L87 Difference]: Start difference. First operand 39 states and 47 transitions. Second operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:47,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:55:47,565 INFO L93 Difference]: Finished difference Result 58 states and 71 transitions. [2022-11-20 19:55:47,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-20 19:55:47,566 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-20 19:55:47,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:55:47,566 INFO L225 Difference]: With dead ends: 58 [2022-11-20 19:55:47,567 INFO L226 Difference]: Without dead ends: 56 [2022-11-20 19:55:47,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=199, Invalid=922, Unknown=5, NotChecked=64, Total=1190 [2022-11-20 19:55:47,568 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 37 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 80 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 19:55:47,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 22 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 114 Invalid, 0 Unknown, 80 Unchecked, 0.2s Time] [2022-11-20 19:55:47,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-20 19:55:47,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 43. [2022-11-20 19:55:47,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 42 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:47,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 55 transitions. [2022-11-20 19:55:47,582 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 55 transitions. Word has length 15 [2022-11-20 19:55:47,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:55:47,582 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 55 transitions. [2022-11-20 19:55:47,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:47,582 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-20 19:55:47,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 19:55:47,583 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:55:47,583 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:55:47,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-20 19:55:47,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-20 19:55:47,790 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:55:47,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:55:47,790 INFO L85 PathProgramCache]: Analyzing trace with hash 724259981, now seen corresponding path program 4 times [2022-11-20 19:55:47,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:55:47,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637505076] [2022-11-20 19:55:47,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:47,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:55:47,812 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:55:47,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1620514765] [2022-11-20 19:55:47,812 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-20 19:55:47,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:47,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:55:47,814 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:55:47,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-20 19:55:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:55:48,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-20 19:55:48,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:55:48,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-20 19:55:48,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:48,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-20 19:55:48,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-20 19:55:48,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:55:48,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:55:48,363 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 19:55:48,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 68 [2022-11-20 19:55:48,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:48,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:48,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-11-20 19:55:48,438 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 19:55:48,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 107 treesize of output 101 [2022-11-20 19:55:48,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:48,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:48,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:48,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-11-20 19:55:48,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:48,512 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:48,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-20 19:55:48,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:48,553 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:48,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2022-11-20 19:55:48,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:48,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:48,599 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:48,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 44 [2022-11-20 19:55:48,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:48,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:48,649 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:48,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 44 [2022-11-20 19:55:48,839 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 19:55:48,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 34 [2022-11-20 19:55:48,856 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:55:48,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:55:57,436 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:55:57,436 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:55:57,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637505076] [2022-11-20 19:55:57,436 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:55:57,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620514765] [2022-11-20 19:55:57,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620514765] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:55:57,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [289961646] [2022-11-20 19:55:57,438 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-20 19:55:57,438 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:55:57,439 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:55:57,439 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:55:57,439 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:55:57,558 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-20 19:55:57,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-20 19:55:57,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-20 19:55:57,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-20 19:55:57,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:57,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-20 19:55:57,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:57,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:57,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,862 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-20 19:55:57,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 560 treesize of output 528 [2022-11-20 19:55:57,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-20 19:55:57,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:57,998 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:57,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-20 19:55:58,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:58,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:58,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:58,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:58,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:58,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:58,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:58,113 INFO L321 Elim1Store]: treesize reduction 253, result has 10.3 percent of original size [2022-11-20 19:55:58,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 146 treesize of output 177 [2022-11-20 19:55:58,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:58,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:55:58,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:55:58,172 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:55:58,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:55:58,285 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:55:58,913 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2355#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 19:55:58,913 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:55:58,913 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 19:55:58,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 25 [2022-11-20 19:55:58,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507499813] [2022-11-20 19:55:58,914 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 19:55:58,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-20 19:55:58,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:55:58,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-20 19:55:58,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=810, Unknown=0, NotChecked=0, Total=930 [2022-11-20 19:55:58,916 INFO L87 Difference]: Start difference. First operand 43 states and 55 transitions. Second operand has 25 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:59,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:55:59,488 INFO L93 Difference]: Finished difference Result 66 states and 84 transitions. [2022-11-20 19:55:59,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-20 19:55:59,489 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-20 19:55:59,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:55:59,489 INFO L225 Difference]: With dead ends: 66 [2022-11-20 19:55:59,490 INFO L226 Difference]: Without dead ends: 64 [2022-11-20 19:55:59,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=165, Invalid=1025, Unknown=0, NotChecked=0, Total=1190 [2022-11-20 19:55:59,491 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 27 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:55:59,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 19 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 27 Unchecked, 0.1s Time] [2022-11-20 19:55:59,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-20 19:55:59,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 52. [2022-11-20 19:55:59,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 51 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:59,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 68 transitions. [2022-11-20 19:55:59,509 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 68 transitions. Word has length 16 [2022-11-20 19:55:59,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:55:59,509 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 68 transitions. [2022-11-20 19:55:59,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:55:59,510 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2022-11-20 19:55:59,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 19:55:59,510 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:55:59,511 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 19:55:59,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-20 19:55:59,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-20 19:55:59,717 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:55:59,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:55:59,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1181831571, now seen corresponding path program 5 times [2022-11-20 19:55:59,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:55:59,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675095896] [2022-11-20 19:55:59,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:55:59,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:55:59,733 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:55:59,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1706725665] [2022-11-20 19:55:59,734 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 19:55:59,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:55:59,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:55:59,735 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:55:59,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-20 19:56:00,157 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-20 19:56:00,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:56:00,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 58 conjunts are in the unsatisfiable core [2022-11-20 19:56:00,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:56:00,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-20 19:56:00,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:00,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-20 19:56:00,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-20 19:56:00,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:56:00,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:56:00,246 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 19:56:00,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 125 treesize of output 117 [2022-11-20 19:56:00,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:00,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:00,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:00,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:00,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:00,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 188 [2022-11-20 19:56:00,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:00,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 51 [2022-11-20 19:56:00,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:00,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:00,356 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:56:00,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 19:56:00,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:00,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:00,439 INFO L321 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2022-11-20 19:56:00,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 44 [2022-11-20 19:56:00,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:00,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:00,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:00,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:00,484 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-20 19:56:00,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 58 [2022-11-20 19:56:00,747 INFO L321 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-11-20 19:56:00,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 42 [2022-11-20 19:56:00,762 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:56:00,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:56:12,896 WARN L233 SmtUtils]: Spent 5.61s on a formula simplification. DAG size of input: 139 DAG size of output: 107 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 19:56:12,913 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:56:12,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:56:12,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675095896] [2022-11-20 19:56:12,914 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:56:12,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706725665] [2022-11-20 19:56:12,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706725665] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:56:12,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1884207470] [2022-11-20 19:56:12,916 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-20 19:56:12,916 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:56:12,916 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:56:12,916 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:56:12,916 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:56:13,036 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-20 19:56:13,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-20 19:56:13,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-20 19:56:13,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-20 19:56:13,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-11-20 19:56:13,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:13,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:13,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,324 INFO L321 Elim1Store]: treesize reduction 246, result has 10.5 percent of original size [2022-11-20 19:56:13,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 522 treesize of output 529 [2022-11-20 19:56:13,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-20 19:56:13,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:13,485 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:56:13,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:56:13,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:13,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:13,548 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-20 19:56:13,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 191 [2022-11-20 19:56:13,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:13,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:13,601 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:56:13,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:56:13,736 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:56:14,759 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2680#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 19:56:14,760 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:56:14,760 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 19:56:14,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2022-11-20 19:56:14,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351121791] [2022-11-20 19:56:14,760 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 19:56:14,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-20 19:56:14,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:56:14,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-20 19:56:14,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=658, Unknown=1, NotChecked=0, Total=756 [2022-11-20 19:56:14,762 INFO L87 Difference]: Start difference. First operand 52 states and 68 transitions. Second operand has 22 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 22 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:56:20,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:56:20,531 INFO L93 Difference]: Finished difference Result 72 states and 87 transitions. [2022-11-20 19:56:20,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-20 19:56:20,531 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 22 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-20 19:56:20,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:56:20,532 INFO L225 Difference]: With dead ends: 72 [2022-11-20 19:56:20,532 INFO L226 Difference]: Without dead ends: 51 [2022-11-20 19:56:20,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 17.5s TimeCoverageRelationStatistics Valid=229, Invalid=1330, Unknown=1, NotChecked=0, Total=1560 [2022-11-20 19:56:20,533 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 61 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 44 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 19:56:20,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 39 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 146 Invalid, 0 Unknown, 44 Unchecked, 0.9s Time] [2022-11-20 19:56:20,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-20 19:56:20,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2022-11-20 19:56:20,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:56:20,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 63 transitions. [2022-11-20 19:56:20,551 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 63 transitions. Word has length 17 [2022-11-20 19:56:20,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:56:20,551 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 63 transitions. [2022-11-20 19:56:20,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 22 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:56:20,552 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2022-11-20 19:56:20,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 19:56:20,552 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:56:20,552 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:56:20,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-20 19:56:20,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:56:20,758 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:56:20,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:56:20,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1499444630, now seen corresponding path program 6 times [2022-11-20 19:56:20,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:56:20,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898170744] [2022-11-20 19:56:20,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:56:20,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:56:20,781 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:56:20,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [941566288] [2022-11-20 19:56:20,781 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 19:56:20,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:56:20,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:56:20,783 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:56:20,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-20 19:56:21,656 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 19:56:21,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:56:21,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 73 conjunts are in the unsatisfiable core [2022-11-20 19:56:21,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:56:21,699 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-20 19:56:21,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-11-20 19:56:21,727 INFO L321 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2022-11-20 19:56:21,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 71 [2022-11-20 19:56:21,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:56:21,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:56:21,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2022-11-20 19:56:21,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:56:21,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 51 [2022-11-20 19:56:21,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:21,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:21,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 34 [2022-11-20 19:56:21,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:21,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-20 19:56:21,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-20 19:56:21,957 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 19:56:21,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 125 treesize of output 117 [2022-11-20 19:56:21,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:21,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:21,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:21,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:21,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:21,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 188 [2022-11-20 19:56:22,050 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 19:56:22,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 148 treesize of output 138 [2022-11-20 19:56:22,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 217 [2022-11-20 19:56:22,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 34 [2022-11-20 19:56:22,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,197 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:56:22,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 56 [2022-11-20 19:56:22,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,251 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:56:22,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 56 [2022-11-20 19:56:22,362 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 19:56:22,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 176 treesize of output 158 [2022-11-20 19:56:22,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:22,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 213 [2022-11-20 19:56:22,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 216 treesize of output 115 [2022-11-20 19:56:22,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:22,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:22,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,566 INFO L321 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-20 19:56:22,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 79 treesize of output 68 [2022-11-20 19:56:22,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:22,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:22,644 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-20 19:56:22,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 86 treesize of output 80 [2022-11-20 19:56:22,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:22,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:22,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:22,723 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-20 19:56:22,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 72 treesize of output 78 [2022-11-20 19:56:22,998 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:56:22,998 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:56:44,311 WARN L233 SmtUtils]: Spent 7.48s on a formula simplification. DAG size of input: 134 DAG size of output: 122 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 19:56:48,359 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse34 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse23 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse36 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse35 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse29 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse10 (<= .cse35 2147483647)) (.cse20 (<= .cse36 2147483647)) (.cse30 (* .cse36 8)) (.cse31 (* 8 .cse23)) (.cse32 (* .cse35 8)) (.cse33 (* .cse34 8)) (.cse1 (<= .cse34 2147483647))) (let ((.cse9 (not .cse1)) (.cse12 (+ .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse5 (+ .cse32 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse6 (+ .cse31 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse7 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse30)) (.cse19 (not .cse20)) (.cse4 (+ .cse33 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse16 (+ .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse17 (+ .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse18 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse30)) (.cse13 (not .cse10)) (.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse24 (* 8 .cse29)) (.cse0 (<= .cse29 2147483647))) (and (or (not .cse0) (let ((.cse8 (+ 6 (select .cse3 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse24))))) (and (or .cse1 (forall ((v_ArrVal_697 Int)) (or (forall ((v_ArrVal_703 Int) (v_ArrVal_702 Int)) (= 7 (let ((.cse2 (store (store (store (store .cse3 .cse4 v_ArrVal_697) .cse5 (+ v_ArrVal_697 6)) .cse6 v_ArrVal_702) .cse7 v_ArrVal_703))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse2) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (not (<= .cse8 v_ArrVal_697))))) (or .cse9 (and (or .cse10 (forall ((v_ArrVal_697 Int) (v_ArrVal_703 Int) (v_ArrVal_702 Int)) (or (= 7 (let ((.cse11 (store (store (store (store .cse3 .cse12 v_ArrVal_697) .cse5 (+ v_ArrVal_697 6)) .cse6 v_ArrVal_702) .cse7 v_ArrVal_703))) (+ (select .cse11 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse11) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= .cse8 v_ArrVal_697))))) (or .cse13 (let ((.cse14 (<= .cse23 2147483647))) (and (or (not .cse14) (and (or (forall ((v_ArrVal_697 Int) (v_ArrVal_703 Int) (v_ArrVal_702 Int)) (or (= 7 (let ((.cse15 (store (store (store (store .cse3 .cse12 v_ArrVal_697) .cse16 (+ v_ArrVal_697 6)) .cse17 v_ArrVal_702) .cse18 v_ArrVal_703))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse15) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse15 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= .cse8 v_ArrVal_697)))) .cse19) (or .cse20 (forall ((v_ArrVal_697 Int) (v_ArrVal_703 Int) (v_ArrVal_702 Int)) (or (= 7 (let ((.cse21 (store (store (store (store .cse3 .cse12 v_ArrVal_697) .cse16 (+ v_ArrVal_697 6)) .cse17 v_ArrVal_702) .cse7 v_ArrVal_703))) (+ (select .cse21 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse21) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= .cse8 v_ArrVal_697))))))) (or (forall ((v_ArrVal_697 Int) (v_ArrVal_703 Int) (v_ArrVal_702 Int)) (or (not (<= .cse8 v_ArrVal_697)) (= 7 (let ((.cse22 (store (store (store (store .cse3 .cse12 v_ArrVal_697) .cse16 (+ v_ArrVal_697 6)) .cse6 v_ArrVal_702) .cse7 v_ArrVal_703))) (+ (select .cse22 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse22) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) .cse14))))))))) (or (let ((.cse26 (+ (select .cse3 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse24)) 6))) (and (or .cse9 (forall ((v_ArrVal_697 Int) (v_ArrVal_703 Int) (v_ArrVal_702 Int)) (or (= 7 (let ((.cse25 (store (store (store (store .cse3 .cse12 v_ArrVal_697) .cse16 (+ v_ArrVal_697 6)) .cse17 v_ArrVal_702) .cse18 v_ArrVal_703))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse25) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= .cse26 v_ArrVal_697))))) (or (and (or .cse10 (and (forall ((v_ArrVal_697 Int)) (or (forall ((v_ArrVal_703 Int) (v_ArrVal_702 Int)) (= 7 (let ((.cse27 (store (store (store (store .cse3 .cse4 v_ArrVal_697) .cse5 (+ v_ArrVal_697 6)) .cse6 v_ArrVal_702) .cse7 v_ArrVal_703))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse27) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse27 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (not (<= .cse26 v_ArrVal_697)))) .cse19)) (or (forall ((v_ArrVal_697 Int) (v_ArrVal_703 Int) (v_ArrVal_702 Int)) (or (= 7 (let ((.cse28 (store (store (store (store .cse3 .cse4 v_ArrVal_697) .cse16 (+ v_ArrVal_697 6)) .cse17 v_ArrVal_702) .cse18 v_ArrVal_703))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse28) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse28 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= .cse26 v_ArrVal_697)))) .cse13)) .cse1))) .cse0))))) is different from true [2022-11-20 19:56:48,382 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2022-11-20 19:56:48,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:56:48,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898170744] [2022-11-20 19:56:48,383 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:56:48,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941566288] [2022-11-20 19:56:48,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941566288] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:56:48,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1594373834] [2022-11-20 19:56:48,384 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-20 19:56:48,385 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:56:48,385 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:56:48,385 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:56:48,385 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:56:48,468 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-20 19:56:48,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-11-20 19:56:48,610 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-20 19:56:48,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-20 19:56:48,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-20 19:56:48,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:48,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-20 19:56:48,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:48,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:48,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,870 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-20 19:56:48,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 560 treesize of output 528 [2022-11-20 19:56:48,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-20 19:56:48,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:48,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:48,973 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:56:48,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:56:49,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:49,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:49,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:49,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:49,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:49,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:49,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:49,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:49,037 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-20 19:56:49,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 191 [2022-11-20 19:56:49,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:49,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:56:49,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:56:49,073 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:56:49,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:56:49,183 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:56:50,928 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3036#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 19:56:50,928 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:56:50,928 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 19:56:50,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2022-11-20 19:56:50,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080461088] [2022-11-20 19:56:50,929 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 19:56:50,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-20 19:56:50,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:56:50,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-20 19:56:50,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=920, Unknown=2, NotChecked=62, Total=1122 [2022-11-20 19:56:50,930 INFO L87 Difference]: Start difference. First operand 49 states and 63 transitions. Second operand has 28 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:56:59,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:56:59,575 INFO L93 Difference]: Finished difference Result 97 states and 123 transitions. [2022-11-20 19:56:59,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-20 19:56:59,576 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-20 19:56:59,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:56:59,579 INFO L225 Difference]: With dead ends: 97 [2022-11-20 19:56:59,579 INFO L226 Difference]: Without dead ends: 95 [2022-11-20 19:56:59,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 32.7s TimeCoverageRelationStatistics Valid=191, Invalid=1216, Unknown=3, NotChecked=72, Total=1482 [2022-11-20 19:56:59,581 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 9 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 193 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 19:56:59,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 38 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 81 Invalid, 0 Unknown, 193 Unchecked, 0.3s Time] [2022-11-20 19:56:59,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-20 19:56:59,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 59. [2022-11-20 19:56:59,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 58 states have (on average 1.396551724137931) internal successors, (81), 58 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:56:59,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2022-11-20 19:56:59,617 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 18 [2022-11-20 19:56:59,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:56:59,619 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2022-11-20 19:56:59,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:56:59,620 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2022-11-20 19:56:59,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 19:56:59,625 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:56:59,625 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 19:56:59,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-20 19:56:59,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-20 19:56:59,833 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:56:59,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:56:59,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1481457124, now seen corresponding path program 7 times [2022-11-20 19:56:59,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:56:59,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755367143] [2022-11-20 19:56:59,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:56:59,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:56:59,851 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:56:59,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [999542918] [2022-11-20 19:56:59,852 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-20 19:56:59,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:56:59,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:56:59,854 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:56:59,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-20 19:57:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:57:00,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 68 conjunts are in the unsatisfiable core [2022-11-20 19:57:00,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:57:00,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-20 19:57:00,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-20 19:57:00,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-20 19:57:00,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:57:00,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:57:00,478 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 19:57:00,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 125 treesize of output 117 [2022-11-20 19:57:00,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:00,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 188 [2022-11-20 19:57:00,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,559 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:57:00,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 46 [2022-11-20 19:57:00,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,603 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:57:00,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 56 [2022-11-20 19:57:00,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:00,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,702 INFO L321 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2022-11-20 19:57:00,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 56 treesize of output 56 [2022-11-20 19:57:00,794 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 19:57:00,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 188 treesize of output 164 [2022-11-20 19:57:00,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:00,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 234 [2022-11-20 19:57:00,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:00,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:00,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:00,965 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-20 19:57:00,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 90 treesize of output 80 [2022-11-20 19:57:01,369 INFO L321 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2022-11-20 19:57:01,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 89 treesize of output 45 [2022-11-20 19:57:01,396 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:57:01,397 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:57:18,496 WARN L233 SmtUtils]: Spent 6.02s on a formula simplification. DAG size of input: 139 DAG size of output: 107 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 19:57:37,019 WARN L233 SmtUtils]: Spent 7.52s on a formula simplification that was a NOOP. DAG size: 156 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 19:57:37,029 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:57:37,029 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:57:37,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755367143] [2022-11-20 19:57:37,029 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:57:37,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999542918] [2022-11-20 19:57:37,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999542918] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:57:37,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1671090131] [2022-11-20 19:57:37,031 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-20 19:57:37,032 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:57:37,032 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:57:37,032 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:57:37,032 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:57:37,165 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-20 19:57:37,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-20 19:57:37,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-20 19:57:37,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-20 19:57:37,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-11-20 19:57:37,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:37,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:37,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,457 INFO L321 Elim1Store]: treesize reduction 241, result has 12.4 percent of original size [2022-11-20 19:57:37,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 522 treesize of output 534 [2022-11-20 19:57:37,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-20 19:57:37,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:37,640 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:57:37,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:57:37,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:37,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:37,725 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-20 19:57:37,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 191 [2022-11-20 19:57:37,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:37,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:37,768 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:57:37,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:57:37,880 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:57:41,117 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3447#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 19:57:41,118 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:57:41,118 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 19:57:41,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2022-11-20 19:57:41,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545363066] [2022-11-20 19:57:41,118 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 19:57:41,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-20 19:57:41,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:57:41,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-20 19:57:41,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=988, Unknown=2, NotChecked=0, Total=1122 [2022-11-20 19:57:41,120 INFO L87 Difference]: Start difference. First operand 59 states and 81 transitions. Second operand has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:57:46,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:57:46,234 INFO L93 Difference]: Finished difference Result 89 states and 114 transitions. [2022-11-20 19:57:46,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-20 19:57:46,234 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-20 19:57:46,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:57:46,235 INFO L225 Difference]: With dead ends: 89 [2022-11-20 19:57:46,235 INFO L226 Difference]: Without dead ends: 79 [2022-11-20 19:57:46,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 42.7s TimeCoverageRelationStatistics Valid=189, Invalid=1290, Unknown=3, NotChecked=0, Total=1482 [2022-11-20 19:57:46,237 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 78 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 19:57:46,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 34 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 61 Invalid, 0 Unknown, 78 Unchecked, 0.2s Time] [2022-11-20 19:57:46,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-20 19:57:46,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 66. [2022-11-20 19:57:46,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.353846153846154) internal successors, (88), 65 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:57:46,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 88 transitions. [2022-11-20 19:57:46,268 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 88 transitions. Word has length 19 [2022-11-20 19:57:46,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:57:46,268 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 88 transitions. [2022-11-20 19:57:46,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:57:46,269 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2022-11-20 19:57:46,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 19:57:46,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:57:46,270 INFO L195 NwaCegarLoop]: trace histogram [8, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:57:46,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-20 19:57:46,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-20 19:57:46,476 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:57:46,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:57:46,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1715181741, now seen corresponding path program 7 times [2022-11-20 19:57:46,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:57:46,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303144352] [2022-11-20 19:57:46,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:57:46,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:57:46,500 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:57:46,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1499629551] [2022-11-20 19:57:46,501 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-20 19:57:46,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:57:46,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:57:46,502 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:57:46,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-20 19:57:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:57:46,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 19:57:46,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:57:46,735 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 19:57:46,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:57:46,827 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 19:57:46,827 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:57:46,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303144352] [2022-11-20 19:57:46,827 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:57:46,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499629551] [2022-11-20 19:57:46,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499629551] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:57:46,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1645256876] [2022-11-20 19:57:46,829 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-20 19:57:46,829 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:57:46,830 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:57:46,830 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:57:46,830 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:57:46,957 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-20 19:57:46,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-20 19:57:46,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-20 19:57:46,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-20 19:57:47,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:47,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-20 19:57:47,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:47,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:47,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,220 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-20 19:57:47,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 560 treesize of output 528 [2022-11-20 19:57:47,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-20 19:57:47,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:47,336 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:57:47,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:57:47,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:47,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:47,406 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-20 19:57:47,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 191 [2022-11-20 19:57:47,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:47,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:47,447 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:57:47,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:57:47,461 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:57:47,812 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3845#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 19:57:47,812 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:57:47,812 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 19:57:47,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2022-11-20 19:57:47,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271500214] [2022-11-20 19:57:47,812 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 19:57:47,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-20 19:57:47,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:57:47,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-20 19:57:47,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=358, Unknown=0, NotChecked=0, Total=462 [2022-11-20 19:57:47,814 INFO L87 Difference]: Start difference. First operand 66 states and 88 transitions. Second operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:57:48,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:57:48,339 INFO L93 Difference]: Finished difference Result 137 states and 158 transitions. [2022-11-20 19:57:48,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-20 19:57:48,339 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-20 19:57:48,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:57:48,340 INFO L225 Difference]: With dead ends: 137 [2022-11-20 19:57:48,340 INFO L226 Difference]: Without dead ends: 121 [2022-11-20 19:57:48,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 30 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=298, Invalid=1184, Unknown=0, NotChecked=0, Total=1482 [2022-11-20 19:57:48,342 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 87 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 19:57:48,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 73 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 19:57:48,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-11-20 19:57:48,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 71. [2022-11-20 19:57:48,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 70 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:57:48,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2022-11-20 19:57:48,380 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 19 [2022-11-20 19:57:48,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:57:48,380 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2022-11-20 19:57:48,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:57:48,381 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2022-11-20 19:57:48,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 19:57:48,381 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:57:48,381 INFO L195 NwaCegarLoop]: trace histogram [7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:57:48,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-11-20 19:57:48,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-20 19:57:48,592 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:57:48,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:57:48,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1598225297, now seen corresponding path program 8 times [2022-11-20 19:57:48,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:57:48,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858987901] [2022-11-20 19:57:48,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:57:48,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:57:48,617 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:57:48,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1568544893] [2022-11-20 19:57:48,618 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 19:57:48,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:57:48,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:57:48,619 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:57:48,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-20 19:57:49,106 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-20 19:57:49,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:57:49,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 19:57:49,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:57:49,184 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:57:49,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:57:49,252 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:57:49,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:57:49,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858987901] [2022-11-20 19:57:49,253 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:57:49,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568544893] [2022-11-20 19:57:49,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568544893] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:57:49,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1525288718] [2022-11-20 19:57:49,254 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-20 19:57:49,254 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:57:49,255 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:57:49,255 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:57:49,255 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:57:49,412 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-20 19:57:49,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-20 19:57:49,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-20 19:57:49,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-20 19:57:49,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:49,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-20 19:57:49,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:49,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:49,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,673 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-20 19:57:49,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 560 treesize of output 528 [2022-11-20 19:57:49,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-20 19:57:49,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,773 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:57:49,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-20 19:57:49,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:49,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:49,889 INFO L321 Elim1Store]: treesize reduction 248, result has 12.1 percent of original size [2022-11-20 19:57:49,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 146 treesize of output 182 [2022-11-20 19:57:49,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:49,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:49,938 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:57:49,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:57:50,090 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:57:50,554 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4325#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 19:57:50,554 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:57:50,554 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 19:57:50,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2022-11-20 19:57:50,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565654901] [2022-11-20 19:57:50,554 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 19:57:50,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 19:57:50,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:57:50,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 19:57:50,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2022-11-20 19:57:50,556 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:57:50,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:57:50,748 INFO L93 Difference]: Finished difference Result 103 states and 122 transitions. [2022-11-20 19:57:50,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-20 19:57:50,749 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-20 19:57:50,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:57:50,749 INFO L225 Difference]: With dead ends: 103 [2022-11-20 19:57:50,750 INFO L226 Difference]: Without dead ends: 88 [2022-11-20 19:57:50,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 35 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2022-11-20 19:57:50,751 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 50 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:57:50,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 18 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:57:50,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-11-20 19:57:50,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 71. [2022-11-20 19:57:50,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.2571428571428571) internal successors, (88), 70 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:57:50,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 88 transitions. [2022-11-20 19:57:50,795 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 88 transitions. Word has length 19 [2022-11-20 19:57:50,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:57:50,796 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 88 transitions. [2022-11-20 19:57:50,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:57:50,796 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2022-11-20 19:57:50,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 19:57:50,799 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:57:50,800 INFO L195 NwaCegarLoop]: trace histogram [8, 5, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:57:50,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-11-20 19:57:51,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:57:51,006 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:57:51,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:57:51,006 INFO L85 PathProgramCache]: Analyzing trace with hash -394448710, now seen corresponding path program 8 times [2022-11-20 19:57:51,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:57:51,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491461270] [2022-11-20 19:57:51,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:57:51,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:57:51,032 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:57:51,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [857161192] [2022-11-20 19:57:51,033 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 19:57:51,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:57:51,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:57:51,034 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:57:51,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-20 19:57:54,354 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-20 19:57:54,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:57:54,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 19:57:54,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:57:54,534 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:57:54,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:57:54,715 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:57:54,715 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:57:54,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491461270] [2022-11-20 19:57:54,715 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:57:54,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857161192] [2022-11-20 19:57:54,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857161192] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:57:54,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1786584168] [2022-11-20 19:57:54,717 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-20 19:57:54,717 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:57:54,717 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:57:54,717 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:57:54,718 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:57:54,798 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-20 19:57:54,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-11-20 19:57:54,930 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-20 19:57:54,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-20 19:57:54,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-20 19:57:54,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:54,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:54,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-20 19:57:55,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:55,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:55,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,177 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-20 19:57:55,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 560 treesize of output 528 [2022-11-20 19:57:55,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-20 19:57:55,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:55,288 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:57:55,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:57:55,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:55,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:55,353 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-20 19:57:55,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 191 [2022-11-20 19:57:55,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:57:55,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:55,391 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:57:55,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:57:55,405 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:57:55,801 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4758#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (= (ite (= |ULTIMATE.start_main_#t~mem13#1| (+ (* 3 |ULTIMATE.start_main_~i~0#1|) 1 (* 3 (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|)))) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (< |ULTIMATE.start_main_~i~0#1| ~N~0) (= (select (select |#memory_int| |ULTIMATE.start_main_~b~0#1.base|) (+ |ULTIMATE.start_main_~b~0#1.offset| (* (ite (<= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 2147483647) (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (+ (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (- 4294967296))) 8))) |ULTIMATE.start_main_#t~mem13#1|) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 19:57:55,801 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:57:55,802 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 19:57:55,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 26 [2022-11-20 19:57:55,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236544064] [2022-11-20 19:57:55,802 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 19:57:55,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-20 19:57:55,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:57:55,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-20 19:57:55,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=711, Unknown=0, NotChecked=0, Total=930 [2022-11-20 19:57:55,803 INFO L87 Difference]: Start difference. First operand 71 states and 88 transitions. Second operand has 26 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:57:56,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:57:56,989 INFO L93 Difference]: Finished difference Result 229 states and 256 transitions. [2022-11-20 19:57:56,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-11-20 19:57:56,990 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-20 19:57:56,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:57:56,991 INFO L225 Difference]: With dead ends: 229 [2022-11-20 19:57:56,991 INFO L226 Difference]: Without dead ends: 213 [2022-11-20 19:57:56,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 25 SyntacticMatches, 4 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1459 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1012, Invalid=3958, Unknown=0, NotChecked=0, Total=4970 [2022-11-20 19:57:56,993 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 357 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 19:57:56,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 111 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 19:57:56,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2022-11-20 19:57:57,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 99. [2022-11-20 19:57:57,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.2857142857142858) internal successors, (126), 98 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:57:57,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 126 transitions. [2022-11-20 19:57:57,026 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 126 transitions. Word has length 20 [2022-11-20 19:57:57,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:57:57,026 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 126 transitions. [2022-11-20 19:57:57,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:57:57,026 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 126 transitions. [2022-11-20 19:57:57,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 19:57:57,027 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:57:57,027 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:57:57,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-11-20 19:57:57,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:57:57,236 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:57:57,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:57:57,236 INFO L85 PathProgramCache]: Analyzing trace with hash 51791853, now seen corresponding path program 9 times [2022-11-20 19:57:57,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:57:57,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238303521] [2022-11-20 19:57:57,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:57:57,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:57:57,256 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:57:57,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [814124226] [2022-11-20 19:57:57,257 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 19:57:57,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:57:57,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:57:57,258 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:57:57,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-11-20 19:57:59,736 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 19:57:59,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:57:59,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 78 conjunts are in the unsatisfiable core [2022-11-20 19:57:59,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:57:59,785 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-20 19:57:59,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-11-20 19:57:59,813 INFO L321 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2022-11-20 19:57:59,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 71 [2022-11-20 19:57:59,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:57:59,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2022-11-20 19:57:59,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:57:59,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:57:59,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 51 [2022-11-20 19:57:59,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:57:59,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-11-20 19:57:59,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 19:57:59,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-20 19:58:00,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:58:00,037 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:58:00,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-20 19:58:00,083 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 19:58:00,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 68 [2022-11-20 19:58:00,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:58:00,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:58:00,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-11-20 19:58:00,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:58:00,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:58:00,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 26 [2022-11-20 19:58:00,159 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 19:58:00,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 68 [2022-11-20 19:58:00,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:58:00,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:58:00,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-11-20 19:58:00,175 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:58:00,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:58:00,232 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:58:00,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-20 19:58:00,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:58:00,264 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:58:00,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-20 19:58:00,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:58:00,312 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:58:00,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2022-11-20 19:58:00,376 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 19:58:00,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 99 treesize of output 87 [2022-11-20 19:58:00,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:58:00,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:58:00,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:58:00,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:58:00,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 145 [2022-11-20 19:58:00,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:58:00,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:58:00,487 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:58:00,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 46 [2022-11-20 19:58:00,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:58:00,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:58:00,535 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:58:00,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 44 [2022-11-20 19:58:00,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:58:00,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:58:00,581 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:58:00,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 42 [2022-11-20 19:58:00,765 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:58:00,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:58:35,780 WARN L233 SmtUtils]: Spent 8.98s on a formula simplification. DAG size of input: 121 DAG size of output: 108 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 19:59:30,239 WARN L233 SmtUtils]: Spent 24.01s on a formula simplification. DAG size of input: 147 DAG size of output: 133 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 19:59:30,258 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 4 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:59:30,258 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:59:30,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238303521] [2022-11-20 19:59:30,259 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 19:59:30,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814124226] [2022-11-20 19:59:30,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814124226] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:59:30,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [49435027] [2022-11-20 19:59:30,260 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-20 19:59:30,260 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:59:30,261 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:59:30,261 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:59:30,261 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:59:30,378 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-20 19:59:30,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-20 19:59:30,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-20 19:59:30,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-20 19:59:30,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:59:30,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-20 19:59:30,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:59:30,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:59:30,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,618 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-20 19:59:30,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 560 treesize of output 528 [2022-11-20 19:59:30,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-20 19:59:30,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:59:30,748 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:59:30,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-20 19:59:30,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:59:30,788 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:59:30,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:59:30,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:59:30,824 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:59:30,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 19:59:30,927 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:59:37,734 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5477#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 19:59:37,734 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:59:37,734 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 19:59:37,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2022-11-20 19:59:37,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814147761] [2022-11-20 19:59:37,735 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 19:59:37,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-20 19:59:37,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:59:37,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-20 19:59:37,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1148, Unknown=13, NotChecked=0, Total=1332 [2022-11-20 19:59:37,736 INFO L87 Difference]: Start difference. First operand 99 states and 126 transitions. Second operand has 31 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:59:47,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:59:47,835 INFO L93 Difference]: Finished difference Result 144 states and 179 transitions. [2022-11-20 19:59:47,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-20 19:59:47,835 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-20 19:59:47,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:59:47,836 INFO L225 Difference]: With dead ends: 144 [2022-11-20 19:59:47,836 INFO L226 Difference]: Without dead ends: 142 [2022-11-20 19:59:47,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 17 SyntacticMatches, 6 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 558 ImplicationChecksByTransitivity, 104.6s TimeCoverageRelationStatistics Valid=230, Invalid=1477, Unknown=15, NotChecked=0, Total=1722 [2022-11-20 19:59:47,837 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 7 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 106 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 19:59:47,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 28 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 106 Unchecked, 0.2s Time] [2022-11-20 19:59:47,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-20 19:59:47,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 110. [2022-11-20 19:59:47,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 109 states have (on average 1.3027522935779816) internal successors, (142), 109 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:59:47,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 142 transitions. [2022-11-20 19:59:47,888 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 142 transitions. Word has length 20 [2022-11-20 19:59:47,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:59:47,888 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 142 transitions. [2022-11-20 19:59:47,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:59:47,888 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 142 transitions. [2022-11-20 19:59:47,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 19:59:47,889 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:59:47,889 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 19:59:47,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-11-20 19:59:48,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-20 19:59:48,089 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:59:48,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:59:48,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1994729357, now seen corresponding path program 10 times [2022-11-20 19:59:48,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:59:48,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280425692] [2022-11-20 19:59:48,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:59:48,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:59:48,107 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 19:59:48,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1309637044] [2022-11-20 19:59:48,108 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-20 19:59:48,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:59:48,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:59:48,109 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:59:48,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-11-20 19:59:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:59:48,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 74 conjunts are in the unsatisfiable core [2022-11-20 19:59:48,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:59:48,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-20 19:59:48,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-20 19:59:49,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-20 19:59:49,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:59:49,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:59:49,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,046 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:59:49,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2022-11-20 19:59:49,104 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 19:59:49,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 81 [2022-11-20 19:59:49,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 135 [2022-11-20 19:59:49,207 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 19:59:49,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 194 treesize of output 180 [2022-11-20 19:59:49,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 135 [2022-11-20 19:59:49,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,291 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 19:59:49,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 44 [2022-11-20 19:59:49,394 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 19:59:49,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 165 treesize of output 149 [2022-11-20 19:59:49,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:59:49,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 213 [2022-11-20 19:59:49,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:59:49,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,512 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-20 19:59:49,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 58 [2022-11-20 19:59:49,613 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 19:59:49,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 139 treesize of output 117 [2022-11-20 19:59:49,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 174 [2022-11-20 19:59:49,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 61 [2022-11-20 19:59:49,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:59:49,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:49,754 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-20 19:59:49,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 85 treesize of output 76 [2022-11-20 19:59:50,182 INFO L321 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-11-20 19:59:50,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 92 treesize of output 48 [2022-11-20 19:59:50,210 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:59:50,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:00:19,230 WARN L233 SmtUtils]: Spent 6.71s on a formula simplification. DAG size of input: 123 DAG size of output: 106 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 20:00:22,936 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse70 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse38 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse71 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse72 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse1 (<= .cse72 2147483647)) (.cse69 (* .cse72 8)) (.cse24 (<= .cse71 2147483647)) (.cse66 (* .cse71 8)) (.cse67 (* 8 .cse38)) (.cse68 (* .cse70 8)) (.cse40 (<= .cse70 2147483647)) (.cse65 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse0 (<= .cse65 2147483647)) (.cse39 (not .cse40)) (.cse12 (+ .cse68 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse13 (+ .cse67 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse14 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse66)) (.cse37 (not .cse24)) (.cse10 (+ .cse69 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse15 (not .cse1)) (.cse4 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse7 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse46 (+ .cse69 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse22 (+ .cse68 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse30 (+ .cse67 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse36 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse66)) (.cse9 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse47 (* 8 .cse65))) (and (or (not .cse0) (let ((.cse11 (+ 6 (select .cse9 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse47))))) (and (or .cse1 (forall ((v_ArrVal_1133 Int) (v_ArrVal_1135 Int) (v_ArrVal_1138 Int)) (= 19 (let ((.cse8 (store (store (store (store .cse9 .cse10 .cse11) .cse12 v_ArrVal_1133) .cse13 v_ArrVal_1135) .cse14 v_ArrVal_1138))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse8))) (let ((.cse3 (select .cse2 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse5 (select .cse3 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (select .cse8 |c_ULTIMATE.start_main_~a~0#1.offset|))) (+ (select (select (store .cse2 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse3 .cse4 (+ .cse5 .cse6))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7) .cse5 .cse6)))))))) (or .cse15 (let ((.cse21 (store .cse9 .cse46 .cse11))) (and (or (let ((.cse23 (<= .cse38 2147483647))) (and (or (forall ((v_ArrVal_1133 Int) (v_ArrVal_1135 Int) (v_ArrVal_1138 Int)) (= 19 (let ((.cse20 (store (store (store .cse21 .cse22 v_ArrVal_1133) .cse13 v_ArrVal_1135) .cse14 v_ArrVal_1138))) (let ((.cse16 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse20))) (let ((.cse17 (select .cse16 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse18 (select .cse17 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse19 (select .cse20 |c_ULTIMATE.start_main_~a~0#1.offset|))) (+ (select (select (store .cse16 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse17 .cse4 (+ .cse18 .cse19))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7) .cse18 .cse19))))))) .cse23) (or (not .cse23) (and (or .cse24 (forall ((v_ArrVal_1133 Int) (v_ArrVal_1135 Int) (v_ArrVal_1138 Int)) (= 19 (let ((.cse29 (store (store (store .cse21 .cse22 v_ArrVal_1133) .cse30 v_ArrVal_1135) .cse14 v_ArrVal_1138))) (let ((.cse25 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse29))) (let ((.cse26 (select .cse25 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse27 (select .cse29 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse28 (select .cse26 |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse25 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse26 .cse4 (+ .cse27 .cse28))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7) .cse27 .cse28)))))))) (or (forall ((v_ArrVal_1133 Int) (v_ArrVal_1135 Int) (v_ArrVal_1138 Int)) (= 19 (let ((.cse35 (store (store (store .cse21 .cse22 v_ArrVal_1133) .cse30 v_ArrVal_1135) .cse36 v_ArrVal_1138))) (let ((.cse33 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse35))) (let ((.cse34 (select .cse33 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse31 (select .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse32 (select .cse34 |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse31 .cse32 (select (select (store .cse33 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse34 .cse4 (+ .cse31 .cse32))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7)))))))) .cse37))))) .cse39) (or .cse40 (forall ((v_ArrVal_1133 Int) (v_ArrVal_1135 Int) (v_ArrVal_1138 Int)) (= 19 (let ((.cse45 (store (store (store .cse21 .cse12 v_ArrVal_1133) .cse13 v_ArrVal_1135) .cse14 v_ArrVal_1138))) (let ((.cse43 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse45))) (let ((.cse44 (select .cse43 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse41 (select .cse45 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse42 (select .cse44 |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse41 .cse42 (select (select (store .cse43 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse44 .cse4 (+ .cse41 .cse42))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))))))))))))))) (or .cse0 (let ((.cse59 (+ (select .cse9 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse47)) 6))) (and (or (let ((.cse53 (store .cse9 .cse10 .cse59))) (and (or .cse39 (forall ((v_ArrVal_1133 Int) (v_ArrVal_1135 Int) (v_ArrVal_1138 Int)) (= 19 (let ((.cse52 (store (store (store .cse53 .cse22 v_ArrVal_1133) .cse30 v_ArrVal_1135) .cse36 v_ArrVal_1138))) (let ((.cse50 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse52))) (let ((.cse51 (select .cse50 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse48 (select .cse51 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse49 (select .cse52 |c_ULTIMATE.start_main_~a~0#1.offset|))) (+ .cse48 .cse49 (select (select (store .cse50 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse51 .cse4 (+ .cse48 .cse49))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))))))))) (or .cse40 (and (forall ((v_ArrVal_1133 Int) (v_ArrVal_1135 Int) (v_ArrVal_1138 Int)) (= 19 (let ((.cse58 (store (store (store .cse53 .cse12 v_ArrVal_1133) .cse13 v_ArrVal_1135) .cse14 v_ArrVal_1138))) (let ((.cse54 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse58))) (let ((.cse55 (select .cse54 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse56 (select .cse55 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse57 (select .cse58 |c_ULTIMATE.start_main_~a~0#1.offset|))) (+ (select (select (store .cse54 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse55 .cse4 (+ .cse56 .cse57))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7) .cse56 .cse57))))))) .cse37)))) .cse1) (or .cse15 (forall ((v_ArrVal_1133 Int) (v_ArrVal_1135 Int) (v_ArrVal_1138 Int)) (= 19 (let ((.cse64 (store (store (store (store .cse9 .cse46 .cse59) .cse22 v_ArrVal_1133) .cse30 v_ArrVal_1135) .cse36 v_ArrVal_1138))) (let ((.cse62 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse64))) (let ((.cse63 (select .cse62 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse60 (select .cse64 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse61 (select .cse63 |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse60 .cse61 (select (select (store .cse62 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse63 .cse4 (+ .cse60 .cse61))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7)))))))))))))))) is different from true [2022-11-20 20:00:22,948 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2022-11-20 20:00:22,948 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:00:22,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280425692] [2022-11-20 20:00:22,949 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 20:00:22,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309637044] [2022-11-20 20:00:22,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309637044] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:00:22,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1366995579] [2022-11-20 20:00:22,950 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-20 20:00:22,950 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:00:22,950 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:00:22,950 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:00:22,950 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:00:23,068 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-20 20:00:23,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-20 20:00:23,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-20 20:00:23,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-20 20:00:23,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:00:23,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-20 20:00:23,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:00:23,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:00:23,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,361 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-20 20:00:23,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 589 treesize of output 530 [2022-11-20 20:00:23,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-20 20:00:23,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:00:23,474 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 20:00:23,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 20:00:23,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:00:23,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:00:23,538 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-20 20:00:23,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 191 [2022-11-20 20:00:23,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:23,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:00:23,577 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 20:00:23,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 20:00:23,703 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:00:24,621 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6062#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 20:00:24,621 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 20:00:24,621 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 20:00:24,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2022-11-20 20:00:24,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771753883] [2022-11-20 20:00:24,621 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 20:00:24,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-11-20 20:00:24,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:00:24,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-11-20 20:00:24,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1176, Unknown=3, NotChecked=70, Total=1406 [2022-11-20 20:00:24,622 INFO L87 Difference]: Start difference. First operand 110 states and 142 transitions. Second operand has 32 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:00:26,656 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse70 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse38 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse71 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse72 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse1 (<= .cse72 2147483647)) (.cse69 (* .cse72 8)) (.cse24 (<= .cse71 2147483647)) (.cse66 (* .cse71 8)) (.cse67 (* 8 .cse38)) (.cse68 (* .cse70 8)) (.cse40 (<= .cse70 2147483647)) (.cse65 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse0 (<= .cse65 2147483647)) (.cse39 (not .cse40)) (.cse12 (+ .cse68 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse13 (+ .cse67 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse14 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse66)) (.cse37 (not .cse24)) (.cse10 (+ .cse69 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse15 (not .cse1)) (.cse4 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse7 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse46 (+ .cse69 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse22 (+ .cse68 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse30 (+ .cse67 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse36 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse66)) (.cse47 (* 8 .cse65)) (.cse9 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (and (or (not .cse0) (let ((.cse11 (+ 6 (select .cse9 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse47))))) (and (or .cse1 (forall ((v_ArrVal_1133 Int) (v_ArrVal_1135 Int) (v_ArrVal_1138 Int)) (= 19 (let ((.cse8 (store (store (store (store .cse9 .cse10 .cse11) .cse12 v_ArrVal_1133) .cse13 v_ArrVal_1135) .cse14 v_ArrVal_1138))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse8))) (let ((.cse3 (select .cse2 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse5 (select .cse3 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (select .cse8 |c_ULTIMATE.start_main_~a~0#1.offset|))) (+ (select (select (store .cse2 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse3 .cse4 (+ .cse5 .cse6))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7) .cse5 .cse6)))))))) (or .cse15 (let ((.cse21 (store .cse9 .cse46 .cse11))) (and (or (let ((.cse23 (<= .cse38 2147483647))) (and (or (forall ((v_ArrVal_1133 Int) (v_ArrVal_1135 Int) (v_ArrVal_1138 Int)) (= 19 (let ((.cse20 (store (store (store .cse21 .cse22 v_ArrVal_1133) .cse13 v_ArrVal_1135) .cse14 v_ArrVal_1138))) (let ((.cse16 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse20))) (let ((.cse17 (select .cse16 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse18 (select .cse17 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse19 (select .cse20 |c_ULTIMATE.start_main_~a~0#1.offset|))) (+ (select (select (store .cse16 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse17 .cse4 (+ .cse18 .cse19))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7) .cse18 .cse19))))))) .cse23) (or (not .cse23) (and (or .cse24 (forall ((v_ArrVal_1133 Int) (v_ArrVal_1135 Int) (v_ArrVal_1138 Int)) (= 19 (let ((.cse29 (store (store (store .cse21 .cse22 v_ArrVal_1133) .cse30 v_ArrVal_1135) .cse14 v_ArrVal_1138))) (let ((.cse25 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse29))) (let ((.cse26 (select .cse25 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse27 (select .cse29 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse28 (select .cse26 |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse25 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse26 .cse4 (+ .cse27 .cse28))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7) .cse27 .cse28)))))))) (or (forall ((v_ArrVal_1133 Int) (v_ArrVal_1135 Int) (v_ArrVal_1138 Int)) (= 19 (let ((.cse35 (store (store (store .cse21 .cse22 v_ArrVal_1133) .cse30 v_ArrVal_1135) .cse36 v_ArrVal_1138))) (let ((.cse33 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse35))) (let ((.cse34 (select .cse33 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse31 (select .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse32 (select .cse34 |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse31 .cse32 (select (select (store .cse33 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse34 .cse4 (+ .cse31 .cse32))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7)))))))) .cse37))))) .cse39) (or .cse40 (forall ((v_ArrVal_1133 Int) (v_ArrVal_1135 Int) (v_ArrVal_1138 Int)) (= 19 (let ((.cse45 (store (store (store .cse21 .cse12 v_ArrVal_1133) .cse13 v_ArrVal_1135) .cse14 v_ArrVal_1138))) (let ((.cse43 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse45))) (let ((.cse44 (select .cse43 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse41 (select .cse45 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse42 (select .cse44 |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse41 .cse42 (select (select (store .cse43 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse44 .cse4 (+ .cse41 .cse42))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))))))))))))))) (or .cse0 (let ((.cse59 (+ (select .cse9 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse47)) 6))) (and (or (let ((.cse53 (store .cse9 .cse10 .cse59))) (and (or .cse39 (forall ((v_ArrVal_1133 Int) (v_ArrVal_1135 Int) (v_ArrVal_1138 Int)) (= 19 (let ((.cse52 (store (store (store .cse53 .cse22 v_ArrVal_1133) .cse30 v_ArrVal_1135) .cse36 v_ArrVal_1138))) (let ((.cse50 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse52))) (let ((.cse51 (select .cse50 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse48 (select .cse51 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse49 (select .cse52 |c_ULTIMATE.start_main_~a~0#1.offset|))) (+ .cse48 .cse49 (select (select (store .cse50 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse51 .cse4 (+ .cse48 .cse49))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7))))))))) (or .cse40 (and (forall ((v_ArrVal_1133 Int) (v_ArrVal_1135 Int) (v_ArrVal_1138 Int)) (= 19 (let ((.cse58 (store (store (store .cse53 .cse12 v_ArrVal_1133) .cse13 v_ArrVal_1135) .cse14 v_ArrVal_1138))) (let ((.cse54 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse58))) (let ((.cse55 (select .cse54 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse56 (select .cse55 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse57 (select .cse58 |c_ULTIMATE.start_main_~a~0#1.offset|))) (+ (select (select (store .cse54 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse55 .cse4 (+ .cse56 .cse57))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7) .cse56 .cse57))))))) .cse37)))) .cse1) (or .cse15 (forall ((v_ArrVal_1133 Int) (v_ArrVal_1135 Int) (v_ArrVal_1138 Int)) (= 19 (let ((.cse64 (store (store (store (store .cse9 .cse46 .cse59) .cse22 v_ArrVal_1133) .cse30 v_ArrVal_1135) .cse36 v_ArrVal_1138))) (let ((.cse62 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse64))) (let ((.cse63 (select .cse62 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse60 (select .cse64 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse61 (select .cse63 |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse60 .cse61 (select (select (store .cse62 |c_ULTIMATE.start_main_~b~0#1.base| (store .cse63 .cse4 (+ .cse60 .cse61))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse7)))))))))))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= 6 (select .cse9 |c_ULTIMATE.start_main_~a~0#1.offset|)) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= |c_ULTIMATE.start_main_~i~0#1| 1))))) is different from true [2022-11-20 20:00:27,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:00:27,866 INFO L93 Difference]: Finished difference Result 144 states and 178 transitions. [2022-11-20 20:00:27,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-20 20:00:27,873 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-20 20:00:27,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:00:27,875 INFO L225 Difference]: With dead ends: 144 [2022-11-20 20:00:27,875 INFO L226 Difference]: Without dead ends: 142 [2022-11-20 20:00:27,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 34.5s TimeCoverageRelationStatistics Valid=201, Invalid=1443, Unknown=4, NotChecked=158, Total=1806 [2022-11-20 20:00:27,877 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 43 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:00:27,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 33 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 43 Unchecked, 0.1s Time] [2022-11-20 20:00:27,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-20 20:00:27,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 113. [2022-11-20 20:00:27,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 112 states have (on average 1.2946428571428572) internal successors, (145), 112 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:00:27,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 145 transitions. [2022-11-20 20:00:27,921 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 145 transitions. Word has length 21 [2022-11-20 20:00:27,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:00:27,922 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 145 transitions. [2022-11-20 20:00:27,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:00:27,922 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 145 transitions. [2022-11-20 20:00:27,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 20:00:27,923 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:00:27,923 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2022-11-20 20:00:27,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-11-20 20:00:28,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:00:28,124 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:00:28,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:00:28,124 INFO L85 PathProgramCache]: Analyzing trace with hash 999896621, now seen corresponding path program 11 times [2022-11-20 20:00:28,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:00:28,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140264305] [2022-11-20 20:00:28,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:00:28,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:00:28,140 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 20:00:28,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1322286725] [2022-11-20 20:00:28,141 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 20:00:28,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:00:28,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:00:28,142 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:00:28,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-11-20 20:00:29,063 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-20 20:00:29,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 20:00:29,068 WARN L261 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 88 conjunts are in the unsatisfiable core [2022-11-20 20:00:29,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:00:29,111 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-20 20:00:29,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-11-20 20:00:29,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-20 20:00:29,148 INFO L321 Elim1Store]: treesize reduction 32, result has 36.0 percent of original size [2022-11-20 20:00:29,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 68 [2022-11-20 20:00:29,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 20:00:29,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 83 [2022-11-20 20:00:29,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:00:29,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-11-20 20:00:29,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 30 [2022-11-20 20:00:29,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:00:29,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-11-20 20:00:29,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 20:00:29,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-20 20:00:29,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:29,426 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 20:00:29,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 47 [2022-11-20 20:00:29,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2022-11-20 20:00:29,535 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 20:00:29,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 142 treesize of output 130 [2022-11-20 20:00:29,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:00:29,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:29,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:29,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:29,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:29,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:29,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:29,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 203 [2022-11-20 20:00:29,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:29,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:29,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:29,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:29,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:29,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:29,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 90 [2022-11-20 20:00:29,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:29,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:29,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:29,740 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 20:00:29,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 58 [2022-11-20 20:00:29,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:29,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:29,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:00:29,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:29,906 INFO L321 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2022-11-20 20:00:29,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 72 treesize of output 60 [2022-11-20 20:00:29,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:29,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:00:29,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:29,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:30,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:30,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:00:30,011 INFO L321 Elim1Store]: treesize reduction 37, result has 19.6 percent of original size [2022-11-20 20:00:30,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 87 treesize of output 72 [2022-11-20 20:00:30,155 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 20:00:30,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 185 treesize of output 163 [2022-11-20 20:00:30,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:30,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:30,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:30,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:30,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:30,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:30,205 INFO L321 Elim1Store]: treesize reduction 143, result has 0.7 percent of original size [2022-11-20 20:00:30,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 148 treesize of output 241 [2022-11-20 20:00:30,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:30,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:30,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:30,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:30,467 INFO L321 Elim1Store]: treesize reduction 156, result has 18.8 percent of original size [2022-11-20 20:00:30,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 202 treesize of output 168 [2022-11-20 20:00:33,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:33,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:33,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:00:33,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:33,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:33,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:33,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:00:33,165 INFO L321 Elim1Store]: treesize reduction 44, result has 24.1 percent of original size [2022-11-20 20:00:33,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 104 treesize of output 55 [2022-11-20 20:00:33,220 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:00:33,220 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:00:46,602 WARN L233 SmtUtils]: Spent 8.60s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 20:00:50,098 WARN L859 $PredicateComparison]: unable to prove that (or (let ((.cse39 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse0 (<= .cse39 2147483647)) (.cse38 (* .cse39 8)) (.cse37 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse23 (<= .cse37 2147483647)) (.cse11 (+ .cse38 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse20 (not .cse0)) (.cse4 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse5 (+ c_~N~0 4294967295)) (.cse7 (+ c_~N~0 4294967294)) (.cse19 (+ .cse38 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse22 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse10 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse21 (* 8 .cse37))) (and (or (let ((.cse12 (+ (select .cse10 (+ .cse21 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse22 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse21))))) (and (or .cse0 (let ((.cse1 (store .cse10 .cse11 .cse12))) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse1) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse6 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select (store .cse1 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse3 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse2 (+ .cse3 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse1 (+ .cse3 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse4) 37) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse5 .cse6) (< .cse6 .cse7)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse8 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse5 .cse8) (< .cse8 .cse7) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select (store .cse1 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse9 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse2 (+ .cse9 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse1 (+ .cse9 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse4) 37)))))))) (or (let ((.cse13 (store .cse10 .cse19 .cse12))) (let ((.cse14 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse13) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse16 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (= (select (store .cse13 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse15 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse14 (+ .cse15 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse13 (+ .cse15 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse4) 37) (<= .cse5 .cse16) (< .cse16 .cse7)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse17 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse5 .cse17) (< .cse17 .cse7) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select (store .cse13 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse18 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse13 (+ .cse18 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse14 (+ .cse18 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse4) 37))))))) .cse20))) (not .cse23)) (or .cse23 (let ((.cse30 (+ (select .cse22 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse21)) (select .cse10 (+ (- 34359738368) .cse21 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or (let ((.cse25 (store .cse10 .cse11 .cse30))) (let ((.cse26 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse25) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse24 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse5 .cse24) (< .cse24 .cse7) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select (store .cse25 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse27 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse26 (+ .cse27 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse25 (+ .cse27 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse4) 37)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse28 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse5 .cse28) (= (select (store .cse25 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse29 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse26 (+ .cse29 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse25 (+ .cse29 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse4) 37) (< .cse28 .cse7))))))) .cse0) (or .cse20 (let ((.cse32 (store .cse10 .cse19 .cse30))) (let ((.cse33 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse32) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse31 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse5 .cse31) (< .cse31 .cse7) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select (store .cse32 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse34 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse33 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse32 (+ .cse34 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse4) 37)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse36 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select (store .cse32 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse35 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse33 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse32 (+ .cse35 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse4) 37) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse5 .cse36) (< .cse36 .cse7))))))))))))))) (not (< 3 c_~N~0))) is different from true [2022-11-20 20:01:02,609 WARN L859 $PredicateComparison]: unable to prove that (or (let ((.cse68 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse69 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse19 (<= .cse69 2147483647)) (.cse66 (* .cse69 8)) (.cse29 (<= .cse68 2147483647)) (.cse67 (* .cse68 8)) (.cse65 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse0 (<= .cse65 2147483647)) (.cse11 (+ .cse67 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse28 (not .cse29)) (.cse12 (+ .cse66 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse16 (+ .cse66 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse18 (not .cse19)) (.cse1 (+ c_~N~0 4294967295)) (.cse7 (+ c_~N~0 4294967294)) (.cse6 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse36 (+ .cse67 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse37 (+ .cse66 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse38 (+ .cse66 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse40 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse15 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse39 (* 8 .cse65))) (and (or .cse0 (let ((.cse13 (select .cse40 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse39))) (.cse14 (select .cse15 (+ (- 34359738368) .cse39 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (let ((.cse17 (+ .cse13 .cse14))) (and (or (let ((.cse3 (let ((.cse10 (store .cse15 .cse16 .cse17))) (store .cse10 .cse11 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse10) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12) .cse13 .cse14))))) (let ((.cse5 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse3) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse2 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse1 .cse2) (= (select (store .cse3 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse4 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse3 (+ .cse4 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse5 (+ .cse4 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))) .cse6) 37) (< .cse2 .cse7)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse8 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse1 .cse8) (= (select (store .cse3 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse9 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse5 (+ .cse9 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse3 (+ .cse9 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse6) 37) (< .cse8 .cse7) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))))) .cse18) (or .cse19 (let ((.cse26 (store .cse15 .cse38 .cse17))) (let ((.cse27 (+ .cse13 .cse14 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse26) |c_ULTIMATE.start_main_~a~0#1.base|) .cse37)))) (and (or (let ((.cse20 (store .cse26 .cse11 .cse27))) (let ((.cse22 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse20) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse23 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (= 37 (select (store .cse20 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse21 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse20 (+ .cse21 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse22 (+ .cse21 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))) .cse6)) (<= .cse1 .cse23) (< .cse23 .cse7)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse24 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse1 .cse24) (< .cse24 .cse7) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select (store .cse20 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse25 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse22 (+ .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse20 (+ .cse25 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse6) 37))))))) .cse28) (or .cse29 (let ((.cse31 (store .cse26 .cse36 .cse27))) (let ((.cse32 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse31) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse30 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse1 .cse30) (= (select (store .cse31 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse33 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse32 (+ .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse31 (+ .cse33 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse6) 37) (< .cse30 .cse7) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse34 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse1 .cse34) (< .cse34 .cse7) (= (select (store .cse31 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse35 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse32 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse31 (+ .cse35 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse6) 37)))))))))))))))) (or (not .cse0) (let ((.cse55 (select .cse15 (+ .cse39 |c_ULTIMATE.start_main_~b~0#1.offset|))) (.cse56 (select .cse40 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse39)))) (let ((.cse57 (+ .cse55 .cse56))) (and (or (let ((.cse47 (store .cse15 .cse16 .cse57))) (let ((.cse48 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse47) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12) .cse55 .cse56))) (and (or .cse29 (let ((.cse41 (store .cse47 .cse36 .cse48))) (let ((.cse43 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse41) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse44 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select (store .cse41 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse42 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse41 (+ .cse42 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse43 (+ .cse42 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse6) 37) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse1 .cse44) (< .cse44 .cse7) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse46 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= 37 (select (store .cse41 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse45 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse41 (+ .cse45 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse43 (+ .cse45 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))) .cse6)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse1 .cse46) (< .cse46 .cse7)))))))) (or (let ((.cse50 (store .cse47 .cse11 .cse48))) (let ((.cse51 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse50) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse49 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse1 .cse49) (< .cse49 .cse7) (= (select (store .cse50 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse52 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse51 (+ .cse52 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse50 (+ .cse52 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse6) 37)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse54 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select (store .cse50 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse53 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse50 (+ .cse53 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse51 (+ .cse53 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse6) 37) (<= .cse1 .cse54) (< .cse54 .cse7) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))))) .cse28)))) .cse18) (or .cse19 (let ((.cse58 (let ((.cse64 (store .cse15 .cse38 .cse57))) (store .cse64 .cse36 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse64) |c_ULTIMATE.start_main_~a~0#1.base|) .cse37) .cse55 .cse56))))) (let ((.cse60 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse58) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse61 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select (store .cse58 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse59 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse58 (+ .cse59 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse60 (+ .cse59 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse6) 37) (<= .cse1 .cse61) (< .cse61 .cse7) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse62 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse1 .cse62) (< .cse62 .cse7) (= 37 (select (store .cse58 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse63 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse58 (+ .cse63 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse60 (+ .cse63 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))) .cse6))))))))))))))))) (not (< 3 c_~N~0))) is different from true [2022-11-20 20:01:14,414 WARN L233 SmtUtils]: Spent 6.62s on a formula simplification that was a NOOP. DAG size: 79 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 20:01:18,168 WARN L859 $PredicateComparison]: unable to prove that (or (< (+ |c_ULTIMATE.start_main_~i~0#1| 1) c_~N~0) (not (< 3 c_~N~0)) (not (< |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) (let ((.cse48 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse17 (<= .cse48 2147483647)) (.cse47 (* .cse48 8))) (let ((.cse15 (+ .cse47 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse27 (not .cse17)) (.cse0 (+ c_~N~0 4294967295)) (.cse2 (+ c_~N~0 4294967294)) (.cse7 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse12 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse14 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse36 (+ .cse47 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse16 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse1 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse0 .cse1) (< .cse1 .cse2) (= (select (let ((.cse13 (store .cse14 .cse15 v_ArrVal_1205))) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse13))) (let ((.cse3 (let ((.cse11 (select .cse4 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse8 (select .cse11 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse9 (select .cse13 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse6 (store .cse11 .cse12 (+ .cse8 .cse9)))) (store .cse6 .cse7 (+ .cse8 .cse9 (select (select (store .cse4 |c_ULTIMATE.start_main_~b~0#1.base| .cse6) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10)))))))) (store .cse3 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse5 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse4 |c_ULTIMATE.start_main_~b~0#1.base| .cse3) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse5 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse3 (+ .cse5 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse16) 37)))) .cse17) (or .cse17 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse26 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select (let ((.cse25 (store .cse14 .cse15 v_ArrVal_1205))) (let ((.cse20 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse25))) (let ((.cse18 (let ((.cse24 (select .cse20 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse22 (select .cse24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse23 (select .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse21 (store .cse24 .cse12 (+ .cse22 .cse23)))) (store .cse21 .cse7 (+ .cse22 .cse23 (select (select (store .cse20 |c_ULTIMATE.start_main_~b~0#1.base| .cse21) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10)))))))) (store .cse18 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse19 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse18 (+ .cse19 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse20 |c_ULTIMATE.start_main_~b~0#1.base| .cse18) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse19 |c_ULTIMATE.start_main_~a~0#1.offset|)))))))) .cse16) 37) (<= .cse0 .cse26) (< .cse26 .cse2) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))) (or .cse27 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse37 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select (let ((.cse35 (store .cse14 .cse36 v_ArrVal_1205))) (let ((.cse29 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse35))) (let ((.cse28 (let ((.cse34 (select .cse29 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse32 (select .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse33 (select .cse34 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse31 (store .cse34 .cse12 (+ .cse32 .cse33)))) (store .cse31 .cse7 (+ (select (select (store .cse29 |c_ULTIMATE.start_main_~b~0#1.base| .cse31) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse32 .cse33))))))) (store .cse28 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse30 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse29 |c_ULTIMATE.start_main_~b~0#1.base| .cse28) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse30 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse28 (+ .cse30 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse16) 37) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse0 .cse37) (< .cse37 .cse2))))) (or .cse27 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse38 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse0 .cse38) (< .cse38 .cse2) (= (select (let ((.cse46 (store .cse14 .cse36 v_ArrVal_1205))) (let ((.cse40 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse46))) (let ((.cse39 (let ((.cse45 (select .cse40 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse43 (select .cse46 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse44 (select .cse45 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse42 (store .cse45 .cse12 (+ .cse43 .cse44)))) (store .cse42 .cse7 (+ (select (select (store .cse40 |c_ULTIMATE.start_main_~b~0#1.base| .cse42) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse43 .cse44))))))) (store .cse39 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse41 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse40 |c_ULTIMATE.start_main_~b~0#1.base| .cse39) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse41 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse39 (+ .cse41 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse16) 37) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))))))))) is different from true [2022-11-20 20:01:30,855 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse80 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (or (let ((.cse78 (mod .cse80 4294967296)) (.cse79 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse19 (<= .cse79 2147483647)) (.cse77 (* .cse79 8)) (.cse33 (<= .cse78 2147483647)) (.cse76 (* .cse78 8)) (.cse75 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse45 (<= .cse75 2147483647)) (.cse17 (+ .cse76 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse32 (not .cse33)) (.cse15 (+ .cse77 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse20 (not .cse19)) (.cse0 (+ c_~N~0 4294967295)) (.cse2 (+ c_~N~0 4294967294)) (.cse7 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse12 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse43 (+ .cse77 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse30 (+ .cse76 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse18 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse14 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse44 (* 8 .cse75))) (and (or (let ((.cse16 (+ 6 (select .cse14 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse44))))) (and (or (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse1 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse0 .cse1) (< .cse1 .cse2) (= (select (let ((.cse13 (store (store .cse14 .cse15 .cse16) .cse17 v_ArrVal_1205))) (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse13))) (let ((.cse3 (let ((.cse11 (select .cse5 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse8 (select .cse11 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse9 (select .cse13 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse6 (store .cse11 .cse12 (+ .cse8 .cse9)))) (store .cse6 .cse7 (+ .cse8 .cse9 (select (select (store .cse5 |c_ULTIMATE.start_main_~b~0#1.base| .cse6) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10)))))))) (store .cse3 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse4 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse3 (+ .cse4 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse5 |c_ULTIMATE.start_main_~b~0#1.base| .cse3) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse4 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))) .cse18) 37)))) .cse19) (or .cse20 (let ((.cse29 (store .cse14 .cse43 .cse16))) (and (or (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse31 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= 37 (select (let ((.cse28 (store .cse29 .cse30 v_ArrVal_1205))) (let ((.cse22 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse28))) (let ((.cse21 (let ((.cse27 (select .cse22 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse25 (select .cse27 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse26 (select .cse28 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse24 (store .cse27 .cse12 (+ .cse25 .cse26)))) (store .cse24 .cse7 (+ .cse25 .cse26 (select (select (store .cse22 |c_ULTIMATE.start_main_~b~0#1.base| .cse24) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10)))))))) (store .cse21 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse23 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse22 |c_ULTIMATE.start_main_~b~0#1.base| .cse21) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse23 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse21 (+ .cse23 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse18)) (<= .cse0 .cse31) (< .cse31 .cse2) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) .cse32) (or .cse33 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse42 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select (let ((.cse41 (store .cse29 .cse17 v_ArrVal_1205))) (let ((.cse36 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse41))) (let ((.cse34 (let ((.cse40 (select .cse36 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse38 (select .cse40 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse39 (select .cse41 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse37 (store .cse40 .cse12 (+ .cse38 .cse39)))) (store .cse37 .cse7 (+ .cse38 (select (select (store .cse36 |c_ULTIMATE.start_main_~b~0#1.base| .cse37) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse39))))))) (store .cse34 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse35 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse34 (+ .cse35 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse36 |c_ULTIMATE.start_main_~b~0#1.base| .cse34) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)))))))) .cse18) 37) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse0 .cse42) (< .cse42 .cse2) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))))))))) (not .cse45)) (or .cse45 (let ((.cse65 (+ (select .cse14 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse44)) 6))) (and (or (let ((.cse55 (store .cse14 .cse15 .cse65))) (and (or .cse33 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse46 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse0 .cse46) (< .cse46 .cse2) (= (select (let ((.cse54 (store .cse55 .cse17 v_ArrVal_1205))) (let ((.cse49 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse54))) (let ((.cse47 (let ((.cse53 (select .cse49 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse51 (select .cse53 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse52 (select .cse54 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse50 (store .cse53 .cse12 (+ .cse51 .cse52)))) (store .cse50 .cse7 (+ .cse51 .cse52 (select (select (store .cse49 |c_ULTIMATE.start_main_~b~0#1.base| .cse50) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10)))))))) (store .cse47 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse48 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse47 (+ .cse48 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse49 |c_ULTIMATE.start_main_~b~0#1.base| .cse47) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse48 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))) .cse18) 37))))) (or .cse32 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse56 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse0 .cse56) (< .cse56 .cse2) (= (select (let ((.cse64 (store .cse55 .cse30 v_ArrVal_1205))) (let ((.cse59 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse64))) (let ((.cse57 (let ((.cse63 (select .cse59 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse61 (select .cse63 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse62 (select .cse64 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse60 (store .cse63 .cse12 (+ .cse61 .cse62)))) (store .cse60 .cse7 (+ .cse61 .cse62 (select (select (store .cse59 |c_ULTIMATE.start_main_~b~0#1.base| .cse60) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10)))))))) (store .cse57 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse58 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse57 (+ .cse58 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse59 |c_ULTIMATE.start_main_~b~0#1.base| .cse57) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse58 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))) .cse18) 37))))))) .cse19) (or .cse20 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse66 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse0 .cse66) (< .cse66 .cse2) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select (let ((.cse74 (store (store .cse14 .cse43 .cse65) .cse30 v_ArrVal_1205))) (let ((.cse69 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse74))) (let ((.cse67 (let ((.cse73 (select .cse69 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse71 (select .cse73 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse72 (select .cse74 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse70 (store .cse73 .cse12 (+ .cse71 .cse72)))) (store .cse70 .cse7 (+ (select (select (store .cse69 |c_ULTIMATE.start_main_~b~0#1.base| .cse70) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse71 .cse72))))))) (store .cse67 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse68 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse67 (+ .cse68 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse69 |c_ULTIMATE.start_main_~b~0#1.base| .cse67) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse68 |c_ULTIMATE.start_main_~a~0#1.offset|)))))))) .cse18) 37)))))))))))) (< (+ 2 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0) (not (< 3 c_~N~0)) (not (< .cse80 c_~N~0)))) is different from true [2022-11-20 20:01:58,544 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (or (<= c_~N~0 .cse0) (let ((.cse108 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse110 (mod .cse0 4294967296)) (.cse109 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse104 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse23 (<= .cse109 2147483647)) (.cse107 (* 8 .cse110)) (.cse35 (<= .cse110 2147483647)) (.cse106 (* .cse109 8)) (.cse59 (<= .cse108 2147483647)) (.cse105 (* .cse108 8))) (let ((.cse58 (+ .cse105 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse1 (not .cse59)) (.cse47 (+ .cse106 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse24 (not .cse35)) (.cse21 (+ .cse107 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse9 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse14 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse44 (+ .cse107 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse22 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse2 (+ c_~N~0 4294967295)) (.cse4 (+ c_~N~0 4294967294)) (.cse19 (+ .cse106 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse48 (not .cse23)) (.cse17 (+ .cse105 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse16 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse61 (* 8 .cse104)) (.cse62 (<= .cse104 2147483647))) (and (or (let ((.cse60 (select .cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse61)))) (let ((.cse20 (+ .cse60 12)) (.cse18 (+ .cse60 6))) (and (or .cse1 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse3 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse2 .cse3) (< .cse3 .cse4) (= (select (let ((.cse15 (store (store (store .cse16 .cse17 .cse18) .cse19 .cse20) .cse21 v_ArrVal_1205))) (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse15))) (let ((.cse5 (let ((.cse13 (select .cse6 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse11 (select .cse13 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse12 (select .cse15 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse8 (store .cse13 .cse14 (+ .cse11 .cse12)))) (store .cse8 .cse9 (+ (select (select (store .cse6 |c_ULTIMATE.start_main_~b~0#1.base| .cse8) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse11 .cse12))))))) (store .cse5 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse7 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse6 |c_ULTIMATE.start_main_~b~0#1.base| .cse5) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse7 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse5 (+ .cse7 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse22) 37) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))) (or (let ((.cse46 (store .cse16 .cse58 .cse18))) (and (or .cse23 (let ((.cse33 (store .cse46 .cse47 .cse20))) (and (or .cse24 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse34 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select (let ((.cse32 (store .cse33 .cse21 v_ArrVal_1205))) (let ((.cse27 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse32))) (let ((.cse25 (let ((.cse31 (select .cse27 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse29 (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse30 (select .cse31 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse28 (store .cse31 .cse14 (+ .cse29 .cse30)))) (store .cse28 .cse9 (+ .cse29 .cse30 (select (select (store .cse27 |c_ULTIMATE.start_main_~b~0#1.base| .cse28) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10)))))))) (store .cse25 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse26 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse25 (+ .cse26 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse27 |c_ULTIMATE.start_main_~b~0#1.base| .cse25) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse26 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))) .cse22) 37) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse2 .cse34) (< .cse34 .cse4))))) (or .cse35 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse45 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select (let ((.cse43 (store .cse33 .cse44 v_ArrVal_1205))) (let ((.cse37 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse43))) (let ((.cse36 (let ((.cse42 (select .cse37 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse40 (select .cse43 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse41 (select .cse42 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse39 (store .cse42 .cse14 (+ .cse40 .cse41)))) (store .cse39 .cse9 (+ .cse40 (select (select (store .cse37 |c_ULTIMATE.start_main_~b~0#1.base| .cse39) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse41))))))) (store .cse36 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse38 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse37 |c_ULTIMATE.start_main_~b~0#1.base| .cse36) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse36 (+ .cse38 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse22) 37) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse2 .cse45) (< .cse45 .cse4)))))))) (or .cse48 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse49 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse2 .cse49) (= (select (let ((.cse57 (store (store .cse46 .cse19 .cse20) .cse21 v_ArrVal_1205))) (let ((.cse51 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse57))) (let ((.cse50 (let ((.cse56 (select .cse51 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse54 (select .cse56 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse55 (select .cse57 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse53 (store .cse56 .cse14 (+ .cse54 .cse55)))) (store .cse53 .cse9 (+ (select (select (store .cse51 |c_ULTIMATE.start_main_~b~0#1.base| .cse53) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse54 .cse55))))))) (store .cse50 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse52 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse51 |c_ULTIMATE.start_main_~b~0#1.base| .cse50) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse52 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse50 (+ .cse52 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse22) 37) (< .cse49 .cse4) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))))) .cse59)))) .cse62) (or (let ((.cse103 (select .cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse61)))) (let ((.cse73 (+ 12 .cse103)) (.cse72 (+ 6 .cse103))) (and (or (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse63 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse2 .cse63) (= (select (let ((.cse71 (store (store (store .cse16 .cse58 .cse72) .cse47 .cse73) .cse44 v_ArrVal_1205))) (let ((.cse65 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse71))) (let ((.cse64 (let ((.cse70 (select .cse65 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse68 (select .cse71 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse69 (select .cse70 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse67 (store .cse70 .cse14 (+ .cse68 .cse69)))) (store .cse67 .cse9 (+ .cse68 .cse69 (select (select (store .cse65 |c_ULTIMATE.start_main_~b~0#1.base| .cse67) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10)))))))) (store .cse64 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse66 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse65 |c_ULTIMATE.start_main_~b~0#1.base| .cse64) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse66 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse64 (+ .cse66 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse22) 37) (< .cse63 .cse4)))) .cse59) (or .cse1 (let ((.cse83 (store .cse16 .cse17 .cse72))) (and (or .cse23 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse74 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse2 .cse74) (< .cse74 .cse4) (= (select (let ((.cse82 (store (store .cse83 .cse47 .cse73) .cse44 v_ArrVal_1205))) (let ((.cse77 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse82))) (let ((.cse75 (let ((.cse81 (select .cse77 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse79 (select .cse82 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse80 (select .cse81 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse78 (store .cse81 .cse14 (+ .cse79 .cse80)))) (store .cse78 .cse9 (+ .cse79 (select (select (store .cse77 |c_ULTIMATE.start_main_~b~0#1.base| .cse78) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse80))))))) (store .cse75 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse76 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse75 (+ .cse76 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse77 |c_ULTIMATE.start_main_~b~0#1.base| .cse75) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse76 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))) .cse22) 37))))) (or (let ((.cse93 (store .cse83 .cse19 .cse73))) (and (or .cse24 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse84 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse2 .cse84) (< .cse84 .cse4) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select (let ((.cse92 (store .cse93 .cse21 v_ArrVal_1205))) (let ((.cse86 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse92))) (let ((.cse85 (let ((.cse91 (select .cse86 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse89 (select .cse91 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse90 (select .cse92 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse88 (store .cse91 .cse14 (+ .cse89 .cse90)))) (store .cse88 .cse9 (+ .cse89 (select (select (store .cse86 |c_ULTIMATE.start_main_~b~0#1.base| .cse88) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse90))))))) (store .cse85 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse87 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse86 |c_ULTIMATE.start_main_~b~0#1.base| .cse85) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse87 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse85 (+ .cse87 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse22) 37))))) (or (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse102 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select (let ((.cse101 (store .cse93 .cse44 v_ArrVal_1205))) (let ((.cse96 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse101))) (let ((.cse94 (let ((.cse100 (select .cse96 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse98 (select .cse100 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse99 (select .cse101 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse97 (store .cse100 .cse14 (+ .cse98 .cse99)))) (store .cse97 .cse9 (+ (select (select (store .cse96 |c_ULTIMATE.start_main_~b~0#1.base| .cse97) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse98 .cse99))))))) (store .cse94 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse95 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse94 (+ .cse95 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse96 |c_ULTIMATE.start_main_~b~0#1.base| .cse94) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse95 |c_ULTIMATE.start_main_~a~0#1.offset|)))))))) .cse22) 37) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse2 .cse102) (< .cse102 .cse4) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) .cse35))) .cse48))))))) (not .cse62)))))) (<= c_~N~0 3) (< (+ 3 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0))) is different from true [2022-11-20 20:01:58,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:01:58,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:01:58,604 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-20 20:01:58,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2040 treesize of output 1 [2022-11-20 20:01:58,610 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 11 not checked. [2022-11-20 20:01:58,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:01:58,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140264305] [2022-11-20 20:01:58,611 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 20:01:58,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322286725] [2022-11-20 20:01:58,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322286725] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:01:58,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [113783408] [2022-11-20 20:01:58,612 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-20 20:01:58,613 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:01:58,613 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:01:58,613 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:01:58,613 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:01:58,848 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-20 20:01:58,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-11-20 20:01:59,156 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-20 20:01:59,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-20 20:01:59,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-20 20:01:59,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-11-20 20:01:59,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:01:59,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:01:59,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,628 INFO L321 Elim1Store]: treesize reduction 241, result has 12.4 percent of original size [2022-11-20 20:01:59,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 524 treesize of output 534 [2022-11-20 20:01:59,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-20 20:01:59,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:01:59,777 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 20:01:59,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 20:01:59,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:01:59,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:01:59,870 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-20 20:01:59,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 191 [2022-11-20 20:01:59,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:01:59,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:01:59,921 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 20:01:59,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 20:02:00,043 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:02:02,096 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6655#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 20:02:02,096 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 20:02:02,096 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 20:02:02,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 31 [2022-11-20 20:02:02,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633020055] [2022-11-20 20:02:02,096 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 20:02:02,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-20 20:02:02,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:02:02,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-20 20:02:02,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=842, Unknown=9, NotChecked=320, Total=1332 [2022-11-20 20:02:02,098 INFO L87 Difference]: Start difference. First operand 113 states and 145 transitions. Second operand has 31 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 31 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:02:04,143 WARN L859 $PredicateComparison]: unable to prove that (and (let ((.cse0 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (or (<= c_~N~0 .cse0) (let ((.cse108 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse110 (mod .cse0 4294967296)) (.cse109 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse104 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse23 (<= .cse109 2147483647)) (.cse107 (* 8 .cse110)) (.cse35 (<= .cse110 2147483647)) (.cse106 (* .cse109 8)) (.cse59 (<= .cse108 2147483647)) (.cse105 (* .cse108 8))) (let ((.cse58 (+ .cse105 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse1 (not .cse59)) (.cse47 (+ .cse106 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse24 (not .cse35)) (.cse21 (+ .cse107 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse9 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse14 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse44 (+ .cse107 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse22 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse2 (+ c_~N~0 4294967295)) (.cse4 (+ c_~N~0 4294967294)) (.cse19 (+ .cse106 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse48 (not .cse23)) (.cse17 (+ .cse105 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse16 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse61 (* 8 .cse104)) (.cse62 (<= .cse104 2147483647))) (and (or (let ((.cse60 (select .cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse61)))) (let ((.cse20 (+ .cse60 12)) (.cse18 (+ .cse60 6))) (and (or .cse1 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse3 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse2 .cse3) (< .cse3 .cse4) (= (select (let ((.cse15 (store (store (store .cse16 .cse17 .cse18) .cse19 .cse20) .cse21 v_ArrVal_1205))) (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse15))) (let ((.cse5 (let ((.cse13 (select .cse6 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse11 (select .cse13 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse12 (select .cse15 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse8 (store .cse13 .cse14 (+ .cse11 .cse12)))) (store .cse8 .cse9 (+ (select (select (store .cse6 |c_ULTIMATE.start_main_~b~0#1.base| .cse8) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse11 .cse12))))))) (store .cse5 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse7 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse6 |c_ULTIMATE.start_main_~b~0#1.base| .cse5) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse7 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse5 (+ .cse7 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse22) 37) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))) (or (let ((.cse46 (store .cse16 .cse58 .cse18))) (and (or .cse23 (let ((.cse33 (store .cse46 .cse47 .cse20))) (and (or .cse24 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse34 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select (let ((.cse32 (store .cse33 .cse21 v_ArrVal_1205))) (let ((.cse27 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse32))) (let ((.cse25 (let ((.cse31 (select .cse27 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse29 (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse30 (select .cse31 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse28 (store .cse31 .cse14 (+ .cse29 .cse30)))) (store .cse28 .cse9 (+ .cse29 .cse30 (select (select (store .cse27 |c_ULTIMATE.start_main_~b~0#1.base| .cse28) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10)))))))) (store .cse25 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse26 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse25 (+ .cse26 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse27 |c_ULTIMATE.start_main_~b~0#1.base| .cse25) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse26 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))) .cse22) 37) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse2 .cse34) (< .cse34 .cse4))))) (or .cse35 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse45 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select (let ((.cse43 (store .cse33 .cse44 v_ArrVal_1205))) (let ((.cse37 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse43))) (let ((.cse36 (let ((.cse42 (select .cse37 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse40 (select .cse43 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse41 (select .cse42 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse39 (store .cse42 .cse14 (+ .cse40 .cse41)))) (store .cse39 .cse9 (+ .cse40 (select (select (store .cse37 |c_ULTIMATE.start_main_~b~0#1.base| .cse39) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse41))))))) (store .cse36 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse38 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse37 |c_ULTIMATE.start_main_~b~0#1.base| .cse36) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse36 (+ .cse38 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse22) 37) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse2 .cse45) (< .cse45 .cse4)))))))) (or .cse48 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse49 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse2 .cse49) (= (select (let ((.cse57 (store (store .cse46 .cse19 .cse20) .cse21 v_ArrVal_1205))) (let ((.cse51 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse57))) (let ((.cse50 (let ((.cse56 (select .cse51 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse54 (select .cse56 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse55 (select .cse57 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse53 (store .cse56 .cse14 (+ .cse54 .cse55)))) (store .cse53 .cse9 (+ (select (select (store .cse51 |c_ULTIMATE.start_main_~b~0#1.base| .cse53) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse54 .cse55))))))) (store .cse50 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse52 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse51 |c_ULTIMATE.start_main_~b~0#1.base| .cse50) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse52 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse50 (+ .cse52 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse22) 37) (< .cse49 .cse4) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))))) .cse59)))) .cse62) (or (let ((.cse103 (select .cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse61)))) (let ((.cse73 (+ 12 .cse103)) (.cse72 (+ 6 .cse103))) (and (or (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse63 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse2 .cse63) (= (select (let ((.cse71 (store (store (store .cse16 .cse58 .cse72) .cse47 .cse73) .cse44 v_ArrVal_1205))) (let ((.cse65 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse71))) (let ((.cse64 (let ((.cse70 (select .cse65 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse68 (select .cse71 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse69 (select .cse70 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse67 (store .cse70 .cse14 (+ .cse68 .cse69)))) (store .cse67 .cse9 (+ .cse68 .cse69 (select (select (store .cse65 |c_ULTIMATE.start_main_~b~0#1.base| .cse67) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10)))))))) (store .cse64 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse66 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse65 |c_ULTIMATE.start_main_~b~0#1.base| .cse64) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse66 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse64 (+ .cse66 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse22) 37) (< .cse63 .cse4)))) .cse59) (or .cse1 (let ((.cse83 (store .cse16 .cse17 .cse72))) (and (or .cse23 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse74 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse2 .cse74) (< .cse74 .cse4) (= (select (let ((.cse82 (store (store .cse83 .cse47 .cse73) .cse44 v_ArrVal_1205))) (let ((.cse77 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse82))) (let ((.cse75 (let ((.cse81 (select .cse77 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse79 (select .cse82 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse80 (select .cse81 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse78 (store .cse81 .cse14 (+ .cse79 .cse80)))) (store .cse78 .cse9 (+ .cse79 (select (select (store .cse77 |c_ULTIMATE.start_main_~b~0#1.base| .cse78) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse80))))))) (store .cse75 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse76 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse75 (+ .cse76 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse77 |c_ULTIMATE.start_main_~b~0#1.base| .cse75) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse76 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))) .cse22) 37))))) (or (let ((.cse93 (store .cse83 .cse19 .cse73))) (and (or .cse24 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse84 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse2 .cse84) (< .cse84 .cse4) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select (let ((.cse92 (store .cse93 .cse21 v_ArrVal_1205))) (let ((.cse86 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse92))) (let ((.cse85 (let ((.cse91 (select .cse86 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse89 (select .cse91 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse90 (select .cse92 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse88 (store .cse91 .cse14 (+ .cse89 .cse90)))) (store .cse88 .cse9 (+ .cse89 (select (select (store .cse86 |c_ULTIMATE.start_main_~b~0#1.base| .cse88) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse90))))))) (store .cse85 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse87 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse86 |c_ULTIMATE.start_main_~b~0#1.base| .cse85) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse87 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse85 (+ .cse87 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse22) 37))))) (or (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse102 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select (let ((.cse101 (store .cse93 .cse44 v_ArrVal_1205))) (let ((.cse96 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse101))) (let ((.cse94 (let ((.cse100 (select .cse96 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse98 (select .cse100 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse99 (select .cse101 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse97 (store .cse100 .cse14 (+ .cse98 .cse99)))) (store .cse97 .cse9 (+ (select (select (store .cse96 |c_ULTIMATE.start_main_~b~0#1.base| .cse97) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse98 .cse99))))))) (store .cse94 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse95 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse94 (+ .cse95 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse96 |c_ULTIMATE.start_main_~b~0#1.base| .cse94) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse95 |c_ULTIMATE.start_main_~a~0#1.offset|)))))))) .cse22) 37) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse2 .cse102) (< .cse102 .cse4) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) .cse35))) .cse48))))))) (not .cse62)))))) (<= c_~N~0 3) (< (+ 3 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0))) (exists ((v_DerPreprocessor_48 (Array Int Int))) (and (= (select v_DerPreprocessor_48 |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= 6 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_48) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= c_~N~0 0)) (<= (mod c_~N~0 4294967296) 536870911) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (<= c_~N~0 2147483647) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= |c_ULTIMATE.start_main_~i~0#1| 1)) is different from true [2022-11-20 20:02:06,169 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse14 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse10 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse81 (select .cse14 .cse10))) (and (let ((.cse80 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (or (let ((.cse78 (mod .cse80 4294967296)) (.cse79 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse19 (<= .cse79 2147483647)) (.cse77 (* .cse79 8)) (.cse33 (<= .cse78 2147483647)) (.cse76 (* .cse78 8)) (.cse75 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse45 (<= .cse75 2147483647)) (.cse17 (+ .cse76 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse32 (not .cse33)) (.cse15 (+ .cse77 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse20 (not .cse19)) (.cse0 (+ c_~N~0 4294967295)) (.cse2 (+ c_~N~0 4294967294)) (.cse7 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse12 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse43 (+ .cse77 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse30 (+ .cse76 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse18 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse44 (* 8 .cse75))) (and (or (let ((.cse16 (+ 6 (select .cse14 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse44))))) (and (or (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse1 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse0 .cse1) (< .cse1 .cse2) (= (select (let ((.cse13 (store (store .cse14 .cse15 .cse16) .cse17 v_ArrVal_1205))) (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse13))) (let ((.cse3 (let ((.cse11 (select .cse5 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse8 (select .cse11 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse9 (select .cse13 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse6 (store .cse11 .cse12 (+ .cse8 .cse9)))) (store .cse6 .cse7 (+ .cse8 .cse9 (select (select (store .cse5 |c_ULTIMATE.start_main_~b~0#1.base| .cse6) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10)))))))) (store .cse3 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse4 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse3 (+ .cse4 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse5 |c_ULTIMATE.start_main_~b~0#1.base| .cse3) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse4 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))) .cse18) 37)))) .cse19) (or .cse20 (let ((.cse29 (store .cse14 .cse43 .cse16))) (and (or (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse31 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= 37 (select (let ((.cse28 (store .cse29 .cse30 v_ArrVal_1205))) (let ((.cse22 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse28))) (let ((.cse21 (let ((.cse27 (select .cse22 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse25 (select .cse27 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse26 (select .cse28 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse24 (store .cse27 .cse12 (+ .cse25 .cse26)))) (store .cse24 .cse7 (+ .cse25 .cse26 (select (select (store .cse22 |c_ULTIMATE.start_main_~b~0#1.base| .cse24) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10)))))))) (store .cse21 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse23 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse22 |c_ULTIMATE.start_main_~b~0#1.base| .cse21) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse23 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse21 (+ .cse23 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))) .cse18)) (<= .cse0 .cse31) (< .cse31 .cse2) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) .cse32) (or .cse33 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse42 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select (let ((.cse41 (store .cse29 .cse17 v_ArrVal_1205))) (let ((.cse36 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse41))) (let ((.cse34 (let ((.cse40 (select .cse36 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse38 (select .cse40 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse39 (select .cse41 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse37 (store .cse40 .cse12 (+ .cse38 .cse39)))) (store .cse37 .cse7 (+ .cse38 (select (select (store .cse36 |c_ULTIMATE.start_main_~b~0#1.base| .cse37) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse39))))))) (store .cse34 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse35 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse34 (+ .cse35 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse36 |c_ULTIMATE.start_main_~b~0#1.base| .cse34) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)))))))) .cse18) 37) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse0 .cse42) (< .cse42 .cse2) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))))))))) (not .cse45)) (or .cse45 (let ((.cse65 (+ (select .cse14 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse44)) 6))) (and (or (let ((.cse55 (store .cse14 .cse15 .cse65))) (and (or .cse33 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse46 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse0 .cse46) (< .cse46 .cse2) (= (select (let ((.cse54 (store .cse55 .cse17 v_ArrVal_1205))) (let ((.cse49 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse54))) (let ((.cse47 (let ((.cse53 (select .cse49 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse51 (select .cse53 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse52 (select .cse54 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse50 (store .cse53 .cse12 (+ .cse51 .cse52)))) (store .cse50 .cse7 (+ .cse51 .cse52 (select (select (store .cse49 |c_ULTIMATE.start_main_~b~0#1.base| .cse50) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10)))))))) (store .cse47 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse48 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse47 (+ .cse48 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse49 |c_ULTIMATE.start_main_~b~0#1.base| .cse47) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse48 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))) .cse18) 37))))) (or .cse32 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse56 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse0 .cse56) (< .cse56 .cse2) (= (select (let ((.cse64 (store .cse55 .cse30 v_ArrVal_1205))) (let ((.cse59 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse64))) (let ((.cse57 (let ((.cse63 (select .cse59 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse61 (select .cse63 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse62 (select .cse64 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse60 (store .cse63 .cse12 (+ .cse61 .cse62)))) (store .cse60 .cse7 (+ .cse61 .cse62 (select (select (store .cse59 |c_ULTIMATE.start_main_~b~0#1.base| .cse60) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10)))))))) (store .cse57 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse58 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse57 (+ .cse58 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse59 |c_ULTIMATE.start_main_~b~0#1.base| .cse57) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse58 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))) .cse18) 37))))))) .cse19) (or .cse20 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1205 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse66 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse0 .cse66) (< .cse66 .cse2) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select (let ((.cse74 (store (store .cse14 .cse43 .cse65) .cse30 v_ArrVal_1205))) (let ((.cse69 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse74))) (let ((.cse67 (let ((.cse73 (select .cse69 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse71 (select .cse73 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse72 (select .cse74 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse70 (store .cse73 .cse12 (+ .cse71 .cse72)))) (store .cse70 .cse7 (+ (select (select (store .cse69 |c_ULTIMATE.start_main_~b~0#1.base| .cse70) |c_ULTIMATE.start_main_~a~0#1.base|) .cse10) .cse71 .cse72))))))) (store .cse67 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse68 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse67 (+ .cse68 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse69 |c_ULTIMATE.start_main_~b~0#1.base| .cse67) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse68 |c_ULTIMATE.start_main_~a~0#1.offset|)))))))) .cse18) 37)))))))))))) (< (+ 2 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0) (not (< 3 c_~N~0)) (not (< .cse80 c_~N~0)))) (= .cse81 (+ 6 (select .cse14 |c_ULTIMATE.start_main_~a~0#1.offset|))) (<= (mod c_~N~0 4294967296) 536870911) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= 2 |c_ULTIMATE.start_main_~i~0#1|) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (< 1 c_~N~0) (= .cse81 12) (<= c_~N~0 2147483647) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0)))) is different from true [2022-11-20 20:02:11,898 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse17 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse0 (select .cse1 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|))) (.cse71 (< 3 c_~N~0))) (and (<= c_~N~0 4) (= .cse0 (+ 6 (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|))) (or (let ((.cse69 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse70 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse21 (<= .cse70 2147483647)) (.cse67 (* .cse70 8)) (.cse31 (<= .cse69 2147483647)) (.cse68 (* .cse69 8)) (.cse66 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse2 (<= .cse66 2147483647)) (.cse13 (+ .cse68 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse30 (not .cse31)) (.cse14 (+ .cse67 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse18 (+ .cse67 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse20 (not .cse21)) (.cse3 (+ c_~N~0 4294967295)) (.cse9 (+ c_~N~0 4294967294)) (.cse8 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse38 (+ .cse68 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse39 (+ .cse67 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse40 (+ .cse67 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse41 (* 8 .cse66))) (and (or .cse2 (let ((.cse15 (select .cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse41))) (.cse16 (select .cse17 (+ (- 34359738368) .cse41 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (let ((.cse19 (+ .cse15 .cse16))) (and (or (let ((.cse5 (let ((.cse12 (store .cse17 .cse18 .cse19))) (store .cse12 .cse13 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse12) |c_ULTIMATE.start_main_~a~0#1.base|) .cse14) .cse15 .cse16))))) (let ((.cse7 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse5) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse4 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse4) (= (select (store .cse5 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse6 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse5 (+ .cse6 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse7 (+ .cse6 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))) .cse8) 37) (< .cse4 .cse9)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse10 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse3 .cse10) (= (select (store .cse5 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse11 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse7 (+ .cse11 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse5 (+ .cse11 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse8) 37) (< .cse10 .cse9) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))))) .cse20) (or .cse21 (let ((.cse28 (store .cse17 .cse40 .cse19))) (let ((.cse29 (+ .cse15 .cse16 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse28) |c_ULTIMATE.start_main_~a~0#1.base|) .cse39)))) (and (or (let ((.cse22 (store .cse28 .cse13 .cse29))) (let ((.cse24 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse22) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse25 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (= 37 (select (store .cse22 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse23 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse22 (+ .cse23 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse24 (+ .cse23 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))) .cse8)) (<= .cse3 .cse25) (< .cse25 .cse9)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse26 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse3 .cse26) (< .cse26 .cse9) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select (store .cse22 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse27 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse24 (+ .cse27 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse22 (+ .cse27 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse8) 37))))))) .cse30) (or .cse31 (let ((.cse33 (store .cse28 .cse38 .cse29))) (let ((.cse34 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse33) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse32 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse3 .cse32) (= (select (store .cse33 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse35 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse34 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse33 (+ .cse35 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse8) 37) (< .cse32 .cse9) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse36 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse36) (< .cse36 .cse9) (= (select (store .cse33 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse37 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse34 (+ .cse37 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse33 (+ .cse37 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse8) 37)))))))))))))))) (or (not .cse2) (let ((.cse56 (select .cse17 (+ .cse41 |c_ULTIMATE.start_main_~b~0#1.offset|))) (.cse57 (select .cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse41)))) (let ((.cse58 (+ .cse56 .cse57))) (and (or (let ((.cse48 (store .cse17 .cse18 .cse58))) (let ((.cse49 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse48) |c_ULTIMATE.start_main_~a~0#1.base|) .cse14) .cse56 .cse57))) (and (or .cse31 (let ((.cse42 (store .cse48 .cse38 .cse49))) (let ((.cse44 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse42) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse45 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select (store .cse42 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse43 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse42 (+ .cse43 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse44 (+ .cse43 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse8) 37) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse3 .cse45) (< .cse45 .cse9) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse47 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= 37 (select (store .cse42 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse46 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse42 (+ .cse46 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse44 (+ .cse46 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))) .cse8)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse47) (< .cse47 .cse9)))))))) (or (let ((.cse51 (store .cse48 .cse13 .cse49))) (let ((.cse52 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse51) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse50 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse50) (< .cse50 .cse9) (= (select (store .cse51 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse53 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse52 (+ .cse53 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse51 (+ .cse53 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse8) 37)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse55 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select (store .cse51 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse54 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse51 (+ .cse54 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse52 (+ .cse54 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse8) 37) (<= .cse3 .cse55) (< .cse55 .cse9) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))))) .cse30)))) .cse20) (or .cse21 (let ((.cse59 (let ((.cse65 (store .cse17 .cse40 .cse58))) (store .cse65 .cse38 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse65) |c_ULTIMATE.start_main_~a~0#1.base|) .cse39) .cse56 .cse57))))) (let ((.cse61 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse59) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse62 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select (store .cse59 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse60 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse59 (+ .cse60 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse61 (+ .cse60 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse8) 37) (<= .cse3 .cse62) (< .cse62 .cse9) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse63 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse3 .cse63) (< .cse63 .cse9) (= 37 (select (store .cse59 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse64 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse59 (+ .cse64 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse61 (+ .cse64 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))) .cse8))))))))))))))))) (not .cse71)) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= (select .cse17 |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= .cse0 12) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= (select .cse1 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (+ .cse0 6)) .cse71 (= |c_ULTIMATE.start_main_~i~0#1| 1)))) is different from true [2022-11-20 20:02:13,966 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse12 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse0 (select .cse12 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|))) (.cse1 (select .cse12 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse24 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse42 (< 3 c_~N~0))) (and (= .cse0 (+ 6 .cse1)) (<= c_~N~0 4) (or (let ((.cse41 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse2 (<= .cse41 2147483647)) (.cse40 (* .cse41 8)) (.cse39 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse25 (<= .cse39 2147483647)) (.cse13 (+ .cse40 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse22 (not .cse2)) (.cse6 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse7 (+ c_~N~0 4294967295)) (.cse9 (+ c_~N~0 4294967294)) (.cse21 (+ .cse40 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse23 (* 8 .cse39))) (and (or (let ((.cse14 (+ (select .cse12 (+ .cse23 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse24 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse23))))) (and (or .cse2 (let ((.cse3 (store .cse12 .cse13 .cse14))) (let ((.cse4 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse3) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse8 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select (store .cse3 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse5 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse4 (+ .cse5 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse3 (+ .cse5 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse6) 37) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse7 .cse8) (< .cse8 .cse9)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse10 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse7 .cse10) (< .cse10 .cse9) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select (store .cse3 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse11 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse4 (+ .cse11 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse3 (+ .cse11 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse6) 37)))))))) (or (let ((.cse15 (store .cse12 .cse21 .cse14))) (let ((.cse16 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse15) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse18 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (= (select (store .cse15 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse17 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse16 (+ .cse17 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse15 (+ .cse17 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse6) 37) (<= .cse7 .cse18) (< .cse18 .cse9)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse19 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse7 .cse19) (< .cse19 .cse9) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select (store .cse15 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse20 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse15 (+ .cse20 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse16 (+ .cse20 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse6) 37))))))) .cse22))) (not .cse25)) (or .cse25 (let ((.cse32 (+ (select .cse24 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse23)) (select .cse12 (+ (- 34359738368) .cse23 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or (let ((.cse27 (store .cse12 .cse13 .cse32))) (let ((.cse28 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse27) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse26 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse7 .cse26) (< .cse26 .cse9) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select (store .cse27 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse29 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse28 (+ .cse29 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse27 (+ .cse29 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse6) 37)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse30 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse7 .cse30) (= (select (store .cse27 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse31 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse28 (+ .cse31 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse27 (+ .cse31 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse6) 37) (< .cse30 .cse9))))))) .cse2) (or .cse22 (let ((.cse34 (store .cse12 .cse21 .cse32))) (let ((.cse35 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse34) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse33 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse7 .cse33) (< .cse33 .cse9) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select (store .cse34 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse36 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse35 (+ .cse36 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse34 (+ .cse36 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse6) 37)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse38 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select (store .cse34 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse37 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse35 (+ .cse37 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse34 (+ .cse37 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse6) 37) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse7 .cse38) (< .cse38 .cse9))))))))))))))) (not .cse42)) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= 2 |c_ULTIMATE.start_main_~i~0#1|) (= .cse1 1) (= (select .cse24 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) 12) (= .cse0 (+ .cse1 (select .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|))) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= (select .cse24 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) 18) .cse42))) is different from true [2022-11-20 20:02:15,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:02:15,350 INFO L93 Difference]: Finished difference Result 126 states and 157 transitions. [2022-11-20 20:02:15,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-20 20:02:15,350 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 31 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-20 20:02:15,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:02:15,351 INFO L225 Difference]: With dead ends: 126 [2022-11-20 20:02:15,351 INFO L226 Difference]: Without dead ends: 109 [2022-11-20 20:02:15,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 51.3s TimeCoverageRelationStatistics Valid=217, Invalid=1066, Unknown=13, NotChecked=684, Total=1980 [2022-11-20 20:02:15,353 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 69 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:02:15,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 24 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 69 Unchecked, 0.1s Time] [2022-11-20 20:02:15,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-11-20 20:02:15,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2022-11-20 20:02:15,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 108 states have (on average 1.2962962962962963) internal successors, (140), 108 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:02:15,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 140 transitions. [2022-11-20 20:02:15,408 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 140 transitions. Word has length 22 [2022-11-20 20:02:15,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:02:15,408 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 140 transitions. [2022-11-20 20:02:15,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 31 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:02:15,408 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 140 transitions. [2022-11-20 20:02:15,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 20:02:15,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:02:15,409 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:02:15,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-11-20 20:02:15,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:02:15,610 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:02:15,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:02:15,611 INFO L85 PathProgramCache]: Analyzing trace with hash -987413834, now seen corresponding path program 12 times [2022-11-20 20:02:15,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:02:15,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647489242] [2022-11-20 20:02:15,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:02:15,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:02:15,634 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 20:02:15,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1503590679] [2022-11-20 20:02:15,635 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 20:02:15,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:02:15,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:02:15,636 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:02:15,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-11-20 20:02:19,333 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 20:02:19,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 20:02:19,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 82 conjunts are in the unsatisfiable core [2022-11-20 20:02:19,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:02:19,456 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-20 20:02:19,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2022-11-20 20:02:19,569 INFO L321 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2022-11-20 20:02:19,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 71 [2022-11-20 20:02:19,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 20:02:19,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 20:02:19,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 17 [2022-11-20 20:02:19,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 20:02:19,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-20 20:02:19,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:19,901 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 20:02:19,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-20 20:02:20,036 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 20:02:20,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 68 [2022-11-20 20:02:20,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:20,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:20,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-11-20 20:02:20,194 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 20:02:20,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 68 [2022-11-20 20:02:20,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:20,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:20,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-11-20 20:02:20,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:20,336 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 20:02:20,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-20 20:02:20,468 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 20:02:20,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 68 [2022-11-20 20:02:20,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:20,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:20,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 116 [2022-11-20 20:02:20,510 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 20:02:20,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:20,616 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 20:02:20,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-20 20:02:20,782 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 20:02:20,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 147 treesize of output 135 [2022-11-20 20:02:20,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:20,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:02:20,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:20,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:20,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:20,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 210 [2022-11-20 20:02:20,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:20,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:20,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 105 [2022-11-20 20:02:21,051 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 20:02:21,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 107 treesize of output 99 [2022-11-20 20:02:21,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:21,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:21,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:21,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 173 [2022-11-20 20:02:21,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:21,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:21,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:21,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 40 [2022-11-20 20:02:21,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:21,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:21,296 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 20:02:21,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 44 [2022-11-20 20:02:21,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:21,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:21,412 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 20:02:21,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 44 [2022-11-20 20:02:21,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:21,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:21,549 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 20:02:21,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 44 [2022-11-20 20:02:21,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:21,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:02:21,678 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 20:02:21,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 44 [2022-11-20 20:02:22,180 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:02:22,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:03:01,948 WARN L233 SmtUtils]: Spent 7.48s on a formula simplification. DAG size of input: 121 DAG size of output: 108 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 20:04:10,527 WARN L233 SmtUtils]: Spent 38.22s on a formula simplification. DAG size of input: 147 DAG size of output: 133 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 20:04:15,832 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse39 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse28 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse26 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296)) (.cse40 (mod (+ 5 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse32 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse38 (* .cse32 8)) (.cse22 (<= .cse40 2147483647)) (.cse34 (* .cse40 8)) (.cse35 (* .cse26 8)) (.cse36 (* .cse28 8)) (.cse37 (* 8 .cse39)) (.cse10 (<= .cse39 2147483647)) (.cse33 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse0 (<= .cse33 2147483647)) (.cse11 (not .cse10)) (.cse14 (+ .cse37 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse15 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse36)) (.cse16 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse17 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse1 (not .cse22)) (.cse13 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse5 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse6 (+ .cse37 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse7 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse36)) (.cse8 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse9 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse18 (* .cse33 8))) (and (or .cse0 (let ((.cse4 (+ .cse18 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (and (or (and .cse1 (forall ((v_ArrVal_1293 Int) (v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int) (v_ArrVal_1289 Int) (v_ArrVal_1291 Int)) (= 7 (let ((.cse2 (store (store (store (store (store (store .cse3 .cse4 v_ArrVal_1289) .cse5 v_ArrVal_1291) .cse6 v_ArrVal_1293) .cse7 v_ArrVal_1295) .cse8 v_ArrVal_1298) .cse9 v_ArrVal_1299))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse2) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) .cse10) (or .cse11 (forall ((v_ArrVal_1293 Int) (v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int) (v_ArrVal_1289 Int) (v_ArrVal_1291 Int)) (= 7 (let ((.cse12 (store (store (store (store (store (store .cse3 .cse4 v_ArrVal_1289) .cse13 v_ArrVal_1291) .cse14 v_ArrVal_1293) .cse15 v_ArrVal_1295) .cse16 v_ArrVal_1298) .cse17 v_ArrVal_1299))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse12) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse12 |c_ULTIMATE.start_main_~a~0#1.offset|))))))))) (or (not .cse0) (let ((.cse21 (+ .cse18 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (or .cse11 (let ((.cse19 (<= .cse28 2147483647))) (and (or .cse19 (forall ((v_ArrVal_1293 Int) (v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int) (v_ArrVal_1289 Int) (v_ArrVal_1291 Int)) (= 7 (let ((.cse20 (store (store (store (store (store (store .cse3 .cse21 v_ArrVal_1289) .cse13 v_ArrVal_1291) .cse14 v_ArrVal_1293) .cse7 v_ArrVal_1295) .cse8 v_ArrVal_1298) .cse9 v_ArrVal_1299))) (+ (select .cse20 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse20) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (or (and (or .cse22 (let ((.cse23 (<= .cse26 2147483647))) (and (or (not .cse23) (forall ((v_ArrVal_1293 Int) (v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int) (v_ArrVal_1289 Int) (v_ArrVal_1291 Int)) (= 7 (let ((.cse24 (store (store (store (store (store (store .cse3 .cse21 v_ArrVal_1289) .cse13 v_ArrVal_1291) .cse14 v_ArrVal_1293) .cse15 v_ArrVal_1295) .cse16 v_ArrVal_1298) .cse9 v_ArrVal_1299))) (+ (select .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse24) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (or (forall ((v_ArrVal_1293 Int) (v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int) (v_ArrVal_1289 Int) (v_ArrVal_1291 Int)) (= 7 (let ((.cse25 (store (store (store (store (store (store .cse3 .cse21 v_ArrVal_1289) .cse13 v_ArrVal_1291) .cse14 v_ArrVal_1293) .cse15 v_ArrVal_1295) .cse8 v_ArrVal_1298) .cse9 v_ArrVal_1299))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse25) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse23)))) (or (forall ((v_ArrVal_1293 Int) (v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int) (v_ArrVal_1289 Int) (v_ArrVal_1291 Int)) (= 7 (let ((.cse27 (store (store (store (store (store (store .cse3 .cse21 v_ArrVal_1289) .cse13 v_ArrVal_1291) .cse14 v_ArrVal_1293) .cse15 v_ArrVal_1295) .cse16 v_ArrVal_1298) .cse17 v_ArrVal_1299))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse27) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse27 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse1)) (not .cse19))))) (or (let ((.cse29 (<= .cse32 2147483647))) (and (or (not .cse29) (forall ((v_ArrVal_1293 Int) (v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int) (v_ArrVal_1289 Int) (v_ArrVal_1291 Int)) (= 7 (let ((.cse30 (store (store (store (store (store (store .cse3 .cse21 v_ArrVal_1289) .cse13 v_ArrVal_1291) .cse6 v_ArrVal_1293) .cse7 v_ArrVal_1295) .cse8 v_ArrVal_1298) .cse9 v_ArrVal_1299))) (+ (select .cse30 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse30) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (or (forall ((v_ArrVal_1293 Int) (v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int) (v_ArrVal_1289 Int) (v_ArrVal_1291 Int)) (= 7 (let ((.cse31 (store (store (store (store (store (store .cse3 .cse21 v_ArrVal_1289) .cse5 v_ArrVal_1291) .cse6 v_ArrVal_1293) .cse7 v_ArrVal_1295) .cse8 v_ArrVal_1298) .cse9 v_ArrVal_1299))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse31) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse29))) .cse10)))))))) is different from true [2022-11-20 20:04:15,852 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 34 refuted. 4 times theorem prover too weak. 0 trivial. 6 not checked. [2022-11-20 20:04:15,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:04:15,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647489242] [2022-11-20 20:04:15,852 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 20:04:15,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503590679] [2022-11-20 20:04:15,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503590679] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:04:15,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [266270580] [2022-11-20 20:04:15,854 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-20 20:04:15,854 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:04:15,854 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:04:15,854 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:04:15,855 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:04:16,221 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-20 20:04:16,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-20 20:04:16,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-20 20:04:16,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 105 [2022-11-20 20:04:16,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:04:16,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 166 [2022-11-20 20:04:16,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:04:16,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:04:16,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,673 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-20 20:04:16,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 589 treesize of output 530 [2022-11-20 20:04:16,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-20 20:04:16,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:04:16,891 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 20:04:16,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 20:04:16,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:16,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:04:16,946 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 20:04:16,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 20:04:17,077 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:04:30,229 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7226#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 20:04:30,229 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 20:04:30,230 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 20:04:30,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 35 [2022-11-20 20:04:30,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886894694] [2022-11-20 20:04:30,230 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 20:04:30,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-11-20 20:04:30,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:04:30,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-11-20 20:04:30,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1350, Unknown=15, NotChecked=76, Total=1640 [2022-11-20 20:04:30,231 INFO L87 Difference]: Start difference. First operand 109 states and 140 transitions. Second operand has 35 states, 35 states have (on average 1.2) internal successors, (42), 35 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:04:32,292 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse39 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse28 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse26 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296)) (.cse40 (mod (+ 5 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse32 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse38 (* .cse32 8)) (.cse22 (<= .cse40 2147483647)) (.cse34 (* .cse40 8)) (.cse35 (* .cse26 8)) (.cse36 (* .cse28 8)) (.cse37 (* 8 .cse39)) (.cse10 (<= .cse39 2147483647)) (.cse33 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse0 (<= .cse33 2147483647)) (.cse11 (not .cse10)) (.cse14 (+ .cse37 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse15 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse36)) (.cse16 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse17 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse1 (not .cse22)) (.cse13 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse5 (+ .cse38 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse6 (+ .cse37 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse7 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse36)) (.cse8 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse9 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse18 (* .cse33 8)) (.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (and (or .cse0 (let ((.cse4 (+ .cse18 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (and (or (and .cse1 (forall ((v_ArrVal_1293 Int) (v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int) (v_ArrVal_1289 Int) (v_ArrVal_1291 Int)) (= 7 (let ((.cse2 (store (store (store (store (store (store .cse3 .cse4 v_ArrVal_1289) .cse5 v_ArrVal_1291) .cse6 v_ArrVal_1293) .cse7 v_ArrVal_1295) .cse8 v_ArrVal_1298) .cse9 v_ArrVal_1299))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse2) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) .cse10) (or .cse11 (forall ((v_ArrVal_1293 Int) (v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int) (v_ArrVal_1289 Int) (v_ArrVal_1291 Int)) (= 7 (let ((.cse12 (store (store (store (store (store (store .cse3 .cse4 v_ArrVal_1289) .cse13 v_ArrVal_1291) .cse14 v_ArrVal_1293) .cse15 v_ArrVal_1295) .cse16 v_ArrVal_1298) .cse17 v_ArrVal_1299))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse12) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse12 |c_ULTIMATE.start_main_~a~0#1.offset|))))))))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (or (not .cse0) (let ((.cse21 (+ .cse18 |c_ULTIMATE.start_main_~a~0#1.offset|))) (and (or .cse11 (let ((.cse19 (<= .cse28 2147483647))) (and (or .cse19 (forall ((v_ArrVal_1293 Int) (v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int) (v_ArrVal_1289 Int) (v_ArrVal_1291 Int)) (= 7 (let ((.cse20 (store (store (store (store (store (store .cse3 .cse21 v_ArrVal_1289) .cse13 v_ArrVal_1291) .cse14 v_ArrVal_1293) .cse7 v_ArrVal_1295) .cse8 v_ArrVal_1298) .cse9 v_ArrVal_1299))) (+ (select .cse20 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse20) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (or (and (or .cse22 (let ((.cse23 (<= .cse26 2147483647))) (and (or (not .cse23) (forall ((v_ArrVal_1293 Int) (v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int) (v_ArrVal_1289 Int) (v_ArrVal_1291 Int)) (= 7 (let ((.cse24 (store (store (store (store (store (store .cse3 .cse21 v_ArrVal_1289) .cse13 v_ArrVal_1291) .cse14 v_ArrVal_1293) .cse15 v_ArrVal_1295) .cse16 v_ArrVal_1298) .cse9 v_ArrVal_1299))) (+ (select .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse24) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (or (forall ((v_ArrVal_1293 Int) (v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int) (v_ArrVal_1289 Int) (v_ArrVal_1291 Int)) (= 7 (let ((.cse25 (store (store (store (store (store (store .cse3 .cse21 v_ArrVal_1289) .cse13 v_ArrVal_1291) .cse14 v_ArrVal_1293) .cse15 v_ArrVal_1295) .cse8 v_ArrVal_1298) .cse9 v_ArrVal_1299))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse25) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse23)))) (or (forall ((v_ArrVal_1293 Int) (v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int) (v_ArrVal_1289 Int) (v_ArrVal_1291 Int)) (= 7 (let ((.cse27 (store (store (store (store (store (store .cse3 .cse21 v_ArrVal_1289) .cse13 v_ArrVal_1291) .cse14 v_ArrVal_1293) .cse15 v_ArrVal_1295) .cse16 v_ArrVal_1298) .cse17 v_ArrVal_1299))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse27) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse27 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse1)) (not .cse19))))) (or (let ((.cse29 (<= .cse32 2147483647))) (and (or (not .cse29) (forall ((v_ArrVal_1293 Int) (v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int) (v_ArrVal_1289 Int) (v_ArrVal_1291 Int)) (= 7 (let ((.cse30 (store (store (store (store (store (store .cse3 .cse21 v_ArrVal_1289) .cse13 v_ArrVal_1291) .cse6 v_ArrVal_1293) .cse7 v_ArrVal_1295) .cse8 v_ArrVal_1298) .cse9 v_ArrVal_1299))) (+ (select .cse30 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse30) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (or (forall ((v_ArrVal_1293 Int) (v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int) (v_ArrVal_1289 Int) (v_ArrVal_1291 Int)) (= 7 (let ((.cse31 (store (store (store (store (store (store .cse3 .cse21 v_ArrVal_1289) .cse5 v_ArrVal_1291) .cse6 v_ArrVal_1293) .cse7 v_ArrVal_1295) .cse8 v_ArrVal_1298) .cse9 v_ArrVal_1299))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse31) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse29))) .cse10)))) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= 6 (select .cse3 |c_ULTIMATE.start_main_~a~0#1.offset|)) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= |c_ULTIMATE.start_main_~i~0#1| 1))))) is different from true [2022-11-20 20:04:34,770 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse33 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse32 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse34 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse35 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse30 (* .cse35 8)) (.cse0 (<= .cse35 2147483647)) (.cse19 (<= .cse34 2147483647)) (.cse21 (* .cse32 8)) (.cse16 (<= .cse33 2147483647)) (.cse31 (* 8 .cse34)) (.cse29 (* .cse33 8)) (.cse24 (<= .cse32 2147483647))) (let ((.cse7 (not .cse24)) (.cse10 (+ .cse29 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse14 (+ .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse11 (not .cse16)) (.cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse21)) (.cse5 (+ .cse31 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse15 (not .cse19)) (.cse12 (not .cse0)) (.cse9 (+ .cse30 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse3 (+ .cse30 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse4 (+ .cse29 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (and (or .cse0 (and (forall ((v_ArrVal_1293 Int) (v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int)) (= (let ((.cse1 (store (store (store (store .cse2 .cse3 v_ArrVal_1293) .cse4 v_ArrVal_1295) .cse5 v_ArrVal_1298) .cse6 v_ArrVal_1299))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse1) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|))) 7)) .cse7)) (or (forall ((v_ArrVal_1299 Int) (v_ArrVal_1298 Int)) (= 7 (let ((.cse8 (store (store .cse2 .cse9 v_ArrVal_1298) .cse10 v_ArrVal_1299))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse8) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse8 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse11) (or .cse12 (and (or (forall ((v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int)) (= 7 (let ((.cse13 (store (store (store .cse2 .cse9 v_ArrVal_1295) .cse10 v_ArrVal_1298) .cse14 v_ArrVal_1299))) (+ (select .cse13 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse13) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse15) (or (and (or .cse16 (forall ((v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int)) (= 7 (let ((.cse17 (store (store (store .cse2 .cse9 v_ArrVal_1295) .cse4 v_ArrVal_1298) .cse5 v_ArrVal_1299))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse17) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (or (forall ((v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int)) (= 7 (let ((.cse18 (store (store (store .cse2 .cse9 v_ArrVal_1295) .cse10 v_ArrVal_1298) .cse5 v_ArrVal_1299))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse18) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse18 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse11)) .cse19))) (or .cse12 (and (or (and (or (forall ((v_ArrVal_1293 Int) (v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int)) (= (let ((.cse20 (store (store (store (store .cse2 .cse9 v_ArrVal_1293) .cse10 v_ArrVal_1295) .cse14 v_ArrVal_1298) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse21) v_ArrVal_1299))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse20) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse20 |c_ULTIMATE.start_main_~a~0#1.offset|))) 7)) .cse7) (or (and (or (forall ((v_ArrVal_1293 Int) (v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int)) (= 7 (let ((.cse22 (store (store (store (store .cse2 .cse9 v_ArrVal_1293) .cse10 v_ArrVal_1295) .cse5 v_ArrVal_1298) .cse6 v_ArrVal_1299))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse22) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse22 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse19) (or .cse15 (forall ((v_ArrVal_1293 Int) (v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int)) (= 7 (let ((.cse23 (store (store (store (store .cse2 .cse9 v_ArrVal_1293) .cse10 v_ArrVal_1295) .cse14 v_ArrVal_1298) .cse6 v_ArrVal_1299))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse23) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse23 |c_ULTIMATE.start_main_~a~0#1.offset|))))))) .cse24)) .cse11) (or .cse16 (forall ((v_ArrVal_1293 Int) (v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int)) (= (let ((.cse25 (store (store (store (store .cse2 .cse9 v_ArrVal_1293) .cse4 v_ArrVal_1295) .cse5 v_ArrVal_1298) .cse6 v_ArrVal_1299))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse25) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|))) 7))))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (or (and (forall ((v_ArrVal_1295 Int) (v_ArrVal_1299 Int) (v_ArrVal_1298 Int)) (= 7 (let ((.cse26 (store (store (store .cse2 .cse3 v_ArrVal_1295) .cse4 v_ArrVal_1298) .cse5 v_ArrVal_1299))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse26) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse26 |c_ULTIMATE.start_main_~a~0#1.offset|))))) .cse15) .cse0) (= 6 (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|)) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (or .cse16 (and (or .cse12 (forall ((v_ArrVal_1299 Int) (v_ArrVal_1298 Int)) (= 7 (let ((.cse27 (store (store .cse2 .cse9 v_ArrVal_1298) .cse4 v_ArrVal_1299))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse27) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse27 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (or (forall ((v_ArrVal_1299 Int) (v_ArrVal_1298 Int)) (= 7 (let ((.cse28 (store (store .cse2 .cse3 v_ArrVal_1298) .cse4 v_ArrVal_1299))) (+ (select .cse28 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse28) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse0))))))) is different from true [2022-11-20 20:04:53,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:04:53,494 INFO L93 Difference]: Finished difference Result 163 states and 203 transitions. [2022-11-20 20:04:53,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-20 20:04:53,495 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 1.2) internal successors, (42), 35 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-20 20:04:53,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:04:53,496 INFO L225 Difference]: With dead ends: 163 [2022-11-20 20:04:53,496 INFO L226 Difference]: Without dead ends: 161 [2022-11-20 20:04:53,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 18 SyntacticMatches, 7 SemanticMatches, 45 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 613 ImplicationChecksByTransitivity, 145.4s TimeCoverageRelationStatistics Valid=259, Invalid=1623, Unknown=22, NotChecked=258, Total=2162 [2022-11-20 20:04:53,498 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 4 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 149 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 20:04:53,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 46 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 72 Invalid, 0 Unknown, 149 Unchecked, 0.4s Time] [2022-11-20 20:04:53,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-11-20 20:04:53,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 114. [2022-11-20 20:04:53,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 113 states have (on average 1.3008849557522124) internal successors, (147), 113 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:04:53,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 147 transitions. [2022-11-20 20:04:53,580 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 147 transitions. Word has length 22 [2022-11-20 20:04:53,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:04:53,581 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 147 transitions. [2022-11-20 20:04:53,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 1.2) internal successors, (42), 35 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:04:53,581 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 147 transitions. [2022-11-20 20:04:53,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 20:04:53,582 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:04:53,582 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2022-11-20 20:04:53,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-11-20 20:04:53,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-11-20 20:04:53,791 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:04:53,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:04:53,791 INFO L85 PathProgramCache]: Analyzing trace with hash 762224486, now seen corresponding path program 13 times [2022-11-20 20:04:53,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:04:53,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849075828] [2022-11-20 20:04:53,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:04:53,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:04:53,806 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 20:04:53,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [17847849] [2022-11-20 20:04:53,807 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-20 20:04:53,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:04:53,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:04:53,808 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:04:53,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-11-20 20:04:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:04:53,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 20:04:53,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:04:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 20:04:54,232 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:04:54,457 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 20:04:54,457 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:04:54,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849075828] [2022-11-20 20:04:54,458 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 20:04:54,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17847849] [2022-11-20 20:04:54,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17847849] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:04:54,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1678999354] [2022-11-20 20:04:54,459 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-20 20:04:54,459 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:04:54,460 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:04:54,460 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:04:54,460 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:04:54,679 INFO L321 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-20 20:04:54,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 123 [2022-11-20 20:04:55,011 INFO L321 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-20 20:04:55,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 64 [2022-11-20 20:04:55,390 INFO L321 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-20 20:04:55,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 77 [2022-11-20 20:04:55,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 122 [2022-11-20 20:04:55,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:04:55,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:04:55,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,770 INFO L321 Elim1Store]: treesize reduction 246, result has 10.5 percent of original size [2022-11-20 20:04:55,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 42 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 516 treesize of output 527 [2022-11-20 20:04:55,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2022-11-20 20:04:55,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,940 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 20:04:55,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-20 20:04:55,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:55,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:56,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:56,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:56,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:04:56,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:04:56,135 INFO L321 Elim1Store]: treesize reduction 248, result has 12.1 percent of original size [2022-11-20 20:04:56,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 146 treesize of output 182 [2022-11-20 20:04:56,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:56,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:04:56,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:04:56,195 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 20:04:56,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 93 [2022-11-20 20:04:56,302 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:04:57,788 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7842#(and (<= 0 ~N~0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= ~N~0 2147483647) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |ULTIMATE.start_main_~b~0#1.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-20 20:04:57,788 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 20:04:57,788 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 20:04:57,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2022-11-20 20:04:57,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812874135] [2022-11-20 20:04:57,789 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 20:04:57,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-20 20:04:57,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:04:57,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-20 20:04:57,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2022-11-20 20:04:57,790 INFO L87 Difference]: Start difference. First operand 114 states and 147 transitions. Second operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:04:58,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:04:58,404 INFO L93 Difference]: Finished difference Result 176 states and 216 transitions. [2022-11-20 20:04:58,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 20:04:58,404 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-20 20:04:58,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:04:58,405 INFO L225 Difference]: With dead ends: 176 [2022-11-20 20:04:58,405 INFO L226 Difference]: Without dead ends: 150 [2022-11-20 20:04:58,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 43 SyntacticMatches, 5 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=137, Invalid=565, Unknown=0, NotChecked=0, Total=702 [2022-11-20 20:04:58,406 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 52 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:04:58,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 33 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 20:04:58,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-11-20 20:04:58,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 106. [2022-11-20 20:04:58,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 105 states have (on average 1.2666666666666666) internal successors, (133), 105 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:04:58,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 133 transitions. [2022-11-20 20:04:58,460 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 133 transitions. Word has length 23 [2022-11-20 20:04:58,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:04:58,461 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 133 transitions. [2022-11-20 20:04:58,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:04:58,461 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 133 transitions. [2022-11-20 20:04:58,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 20:04:58,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:04:58,461 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 20:04:58,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-11-20 20:04:58,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-11-20 20:04:58,668 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:04:58,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:04:58,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1042977468, now seen corresponding path program 14 times [2022-11-20 20:04:58,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:04:58,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111588901] [2022-11-20 20:04:58,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:04:58,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:04:58,687 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 20:04:58,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1540246956] [2022-11-20 20:04:58,687 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 20:04:58,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:04:58,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:04:58,689 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:04:58,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8427dcd6-a0c5-41ab-a602-4d03a6a1c094/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-11-20 20:05:01,661 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-20 20:05:01,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 20:05:01,666 WARN L261 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 102 conjunts are in the unsatisfiable core [2022-11-20 20:05:01,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:05:01,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-20 20:05:01,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:01,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-20 20:05:01,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-20 20:05:01,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 20:05:01,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 20:05:01,989 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 20:05:01,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 125 treesize of output 117 [2022-11-20 20:05:02,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:05:02,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:02,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:02,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:02,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:02,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 188 [2022-11-20 20:05:02,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:02,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:02,281 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 20:05:02,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 49 [2022-11-20 20:05:02,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:02,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:02,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:02,467 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 20:05:02,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 71 treesize of output 63 [2022-11-20 20:05:02,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:02,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:02,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:02,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:02,672 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 20:05:02,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 70 [2022-11-20 20:05:02,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:02,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:02,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:02,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:02,871 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 20:05:02,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 63 treesize of output 68 [2022-11-20 20:05:03,302 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 20:05:03,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 185 treesize of output 165 [2022-11-20 20:05:03,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:03,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:05:03,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:03,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:03,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:03,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 213 [2022-11-20 20:05:03,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:03,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:05:03,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:03,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:03,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:03,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:03,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:03,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:05:03,694 INFO L321 Elim1Store]: treesize reduction 37, result has 19.6 percent of original size [2022-11-20 20:05:03,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 96 treesize of output 84 [2022-11-20 20:05:03,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:03,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:03,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:03,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:05:03,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:03,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:03,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:03,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:03,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:05:03,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:03,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:05:04,030 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-20 20:05:04,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 114 treesize of output 101 [2022-11-20 20:05:04,412 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 20:05:04,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 229 treesize of output 195 [2022-11-20 20:05:04,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:04,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:04,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:04,514 INFO L321 Elim1Store]: treesize reduction 312, result has 0.3 percent of original size [2022-11-20 20:05:04,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 171 treesize of output 228 [2022-11-20 20:05:04,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:04,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 89 [2022-11-20 20:05:10,819 INFO L321 Elim1Store]: treesize reduction 88, result has 43.9 percent of original size [2022-11-20 20:05:10,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 1144 treesize of output 1059 [2022-11-20 20:05:21,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:21,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:21,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:21,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:21,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:21,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:21,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:21,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:21,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:21,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:21,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:21,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:21,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:21,447 INFO L217 Elim1Store]: Index analysis took 113 ms [2022-11-20 20:05:21,629 INFO L321 Elim1Store]: treesize reduction 248, result has 0.4 percent of original size [2022-11-20 20:05:21,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 8 select indices, 8 select index equivalence classes, 33 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 1928 treesize of output 1744 [2022-11-20 20:05:24,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:24,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:24,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:24,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:24,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:24,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:24,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:24,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:24,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:24,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:24,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:24,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:05:24,828 INFO L217 Elim1Store]: Index analysis took 120 ms [2022-11-20 20:05:25,413 INFO L321 Elim1Store]: treesize reduction 238, result has 24.0 percent of original size [2022-11-20 20:05:25,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 33 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 1462 treesize of output 1110 [2022-11-20 20:05:40,027 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:05:40,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:06:06,773 WARN L859 $PredicateComparison]: unable to prove that (or (let ((.cse112 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse111 (* .cse112 8)) (.cse32 (<= .cse112 2147483647)) (.cse110 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse0 (<= .cse110 2147483647)) (.cse58 (not .cse32)) (.cse39 (+ .cse111 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse3 (+ c_~N~0 4294967294)) (.cse7 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (+ c_~N~0 4294967295)) (.cse10 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse13 (+ .cse111 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse60 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse12 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse59 (* 8 .cse110))) (and (or (not .cse0) (let ((.cse1 (+ (select .cse12 (+ .cse59 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse60 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse59))))) (and (or (and (forall ((v_ArrVal_1446 Int)) (or (not (<= .cse1 v_ArrVal_1446)) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse4 (store .cse12 .cse13 v_ArrVal_1446)) (.cse11 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse2 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse11)) (.cse6 (store (store .cse4 (+ (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse9 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse11))) (or (< .cse2 .cse3) (< v_ArrVal_1449 (let ((.cse5 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse4) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse5 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse4 (+ .cse5 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (= 19 (select .cse6 .cse7)) (<= .cse8 .cse2) (< .cse9 1) (< 7 (select .cse6 .cse10)) (< 2147483648 .cse9))))))) (forall ((v_ArrVal_1446 Int)) (or (not (<= .cse1 v_ArrVal_1446)) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse16 (store .cse12 .cse13 v_ArrVal_1446)) (.cse19 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse14 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse19)) (.cse18 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse19)) (.cse15 (store (store .cse16 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451))) (or (< .cse14 .cse3) (= 19 (select .cse15 .cse7)) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< v_ArrVal_1449 (let ((.cse17 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse16) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse16 (+ .cse17 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (<= .cse8 .cse14) (< .cse18 1) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse18) (< 7 (select .cse15 .cse10)))))))) (forall ((v_ArrVal_1446 Int)) (or (not (<= .cse1 v_ArrVal_1446)) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse23 (store .cse12 .cse13 v_ArrVal_1446)) (.cse25 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse20 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse25)) (.cse21 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse25)) (.cse22 (store (store .cse23 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451))) (or (<= .cse20 2147483648) (< .cse21 .cse3) (= 19 (select .cse22 .cse7)) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< v_ArrVal_1449 (let ((.cse24 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse23 (+ .cse24 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse23) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse24 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))) (<= 4294967297 .cse20) (<= .cse8 .cse21) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 7 (select .cse22 .cse10)))))))) (forall ((v_ArrVal_1446 Int)) (or (not (<= .cse1 v_ArrVal_1446)) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse28 (store .cse12 .cse13 v_ArrVal_1446)) (.cse31 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse26 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse31)) (.cse27 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse31)) (.cse30 (store (store .cse28 (+ (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451))) (or (<= .cse26 2147483648) (< .cse27 .cse3) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< v_ArrVal_1449 (let ((.cse29 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse28 (+ .cse29 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse28) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse29 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))) (<= 4294967297 .cse26) (= 19 (select .cse30 .cse7)) (<= .cse8 .cse27) (< 7 (select .cse30 .cse10))))))))) .cse32) (or (and (forall ((v_ArrVal_1446 Int)) (or (not (<= .cse1 v_ArrVal_1446)) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse34 (store .cse12 .cse39 v_ArrVal_1446)) (.cse38 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse33 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse38)) (.cse36 (store (store .cse34 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse37 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse38))) (or (< .cse33 .cse3) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< v_ArrVal_1449 (let ((.cse35 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse34 (+ .cse35 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse34) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (< 7 (select .cse36 .cse10)) (<= .cse8 .cse33) (= 19 (select .cse36 .cse7)) (< .cse37 1) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse37))))))) (forall ((v_ArrVal_1446 Int)) (or (not (<= .cse1 v_ArrVal_1446)) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse42 (store .cse12 .cse39 v_ArrVal_1446)) (.cse45 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse40 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse45)) (.cse41 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse45)) (.cse44 (store (store .cse42 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451))) (or (<= .cse40 2147483648) (< .cse41 .cse3) (< v_ArrVal_1449 (let ((.cse43 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse42) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse43 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse42 (+ .cse43 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< 7 (select .cse44 .cse10)) (<= 4294967297 .cse40) (<= .cse8 .cse41) (= 19 (select .cse44 .cse7)) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647))))))) (forall ((v_ArrVal_1446 Int)) (or (not (<= .cse1 v_ArrVal_1446)) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse51 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296)) (.cse48 (store .cse12 .cse39 v_ArrVal_1446))) (let ((.cse47 (store (store .cse48 (+ (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse46 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse51)) (.cse50 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse51))) (or (< .cse46 .cse3) (< 7 (select .cse47 .cse10)) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< v_ArrVal_1449 (let ((.cse49 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse48 (+ .cse49 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse48) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse49 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (= 19 (select .cse47 .cse7)) (<= .cse8 .cse46) (< .cse50 1) (< 2147483648 .cse50))))))) (forall ((v_ArrVal_1446 Int)) (or (not (<= .cse1 v_ArrVal_1446)) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse57 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296)) (.cse54 (store .cse12 .cse39 v_ArrVal_1446))) (let ((.cse56 (store (store .cse54 (+ (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse52 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse57)) (.cse53 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse57))) (or (<= .cse52 2147483648) (< .cse53 .cse3) (< v_ArrVal_1449 (let ((.cse55 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse54) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse55 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse54 (+ .cse55 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (< 7 (select .cse56 .cse10)) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (= 19 (select .cse56 .cse7)) (<= 4294967297 .cse52) (<= .cse8 .cse53)))))))) .cse58)))) (or .cse0 (let ((.cse61 (+ (select .cse60 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse59)) (select .cse12 (+ (- 34359738368) .cse59 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or .cse58 (and (forall ((v_ArrVal_1446 Int)) (or (not (<= .cse61 v_ArrVal_1446)) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse67 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296)) (.cse64 (store .cse12 .cse39 v_ArrVal_1446))) (let ((.cse63 (store (store .cse64 (+ (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse62 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse67)) (.cse66 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse67))) (or (< .cse62 .cse3) (< 7 (select .cse63 .cse10)) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< v_ArrVal_1449 (let ((.cse65 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse64 (+ .cse65 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse64) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse65 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (= 19 (select .cse63 .cse7)) (<= .cse8 .cse62) (< .cse66 1) (< 2147483648 .cse66))))))) (forall ((v_ArrVal_1446 Int)) (or (not (<= .cse61 v_ArrVal_1446)) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse70 (store .cse12 .cse39 v_ArrVal_1446)) (.cse73 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse68 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse73)) (.cse69 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse73)) (.cse72 (store (store .cse70 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451))) (or (<= .cse68 2147483648) (< .cse69 .cse3) (< v_ArrVal_1449 (let ((.cse71 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse70) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse71 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse70 (+ .cse71 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< 7 (select .cse72 .cse10)) (<= 4294967297 .cse68) (<= .cse8 .cse69) (= 19 (select .cse72 .cse7)) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647))))))) (forall ((v_ArrVal_1446 Int)) (or (not (<= .cse61 v_ArrVal_1446)) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse75 (store .cse12 .cse39 v_ArrVal_1446)) (.cse79 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse74 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse79)) (.cse77 (store (store .cse75 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse78 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse79))) (or (< .cse74 .cse3) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< v_ArrVal_1449 (let ((.cse76 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse75 (+ .cse76 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse75) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse76 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (< 7 (select .cse77 .cse10)) (<= .cse8 .cse74) (= 19 (select .cse77 .cse7)) (< .cse78 1) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse78))))))) (forall ((v_ArrVal_1446 Int)) (or (not (<= .cse61 v_ArrVal_1446)) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse85 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296)) (.cse82 (store .cse12 .cse39 v_ArrVal_1446))) (let ((.cse84 (store (store .cse82 (+ (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse80 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse85)) (.cse81 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse85))) (or (<= .cse80 2147483648) (< .cse81 .cse3) (< v_ArrVal_1449 (let ((.cse83 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse82) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse83 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse82 (+ .cse83 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (< 7 (select .cse84 .cse10)) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (= 19 (select .cse84 .cse7)) (<= 4294967297 .cse80) (<= .cse8 .cse81))))))))) (or (and (forall ((v_ArrVal_1446 Int)) (or (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse89 (store .cse12 .cse13 v_ArrVal_1446)) (.cse91 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse86 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse91)) (.cse87 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse91)) (.cse88 (store (store .cse89 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451))) (or (<= .cse86 2147483648) (< .cse87 .cse3) (= 19 (select .cse88 .cse7)) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< v_ArrVal_1449 (let ((.cse90 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse89 (+ .cse90 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse89) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse90 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))) (<= 4294967297 .cse86) (<= .cse8 .cse87) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 7 (select .cse88 .cse10)))))) (not (<= .cse61 v_ArrVal_1446)))) (forall ((v_ArrVal_1446 Int)) (or (not (<= .cse61 v_ArrVal_1446)) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse94 (store .cse12 .cse13 v_ArrVal_1446)) (.cse97 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse92 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse97)) (.cse93 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse97)) (.cse96 (store (store .cse94 (+ (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451))) (or (<= .cse92 2147483648) (< .cse93 .cse3) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< v_ArrVal_1449 (let ((.cse95 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse94 (+ .cse95 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse94) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse95 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))) (<= 4294967297 .cse92) (= 19 (select .cse96 .cse7)) (<= .cse8 .cse93) (< 7 (select .cse96 .cse10)))))))) (forall ((v_ArrVal_1446 Int)) (or (not (<= .cse61 v_ArrVal_1446)) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse99 (store .cse12 .cse13 v_ArrVal_1446)) (.cse103 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse98 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse103)) (.cse101 (store (store .cse99 (+ (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse102 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse103))) (or (< .cse98 .cse3) (< v_ArrVal_1449 (let ((.cse100 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse99) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse100 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse99 (+ .cse100 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (= 19 (select .cse101 .cse7)) (<= .cse8 .cse98) (< .cse102 1) (< 7 (select .cse101 .cse10)) (< 2147483648 .cse102))))))) (forall ((v_ArrVal_1446 Int)) (or (not (<= .cse61 v_ArrVal_1446)) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse106 (store .cse12 .cse13 v_ArrVal_1446)) (.cse109 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse104 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse109)) (.cse108 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse109)) (.cse105 (store (store .cse106 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451))) (or (< .cse104 .cse3) (= 19 (select .cse105 .cse7)) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< v_ArrVal_1449 (let ((.cse107 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse106) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse107 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse106 (+ .cse107 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (<= .cse8 .cse104) (< .cse108 1) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse108) (< 7 (select .cse105 .cse10))))))))) .cse32)))))))) (not (< 2 c_~N~0))) is different from true [2022-11-20 20:07:14,535 WARN L859 $PredicateComparison]: unable to prove that (or (not (< 2 c_~N~0)) (let ((.cse179 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse180 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse2 (<= .cse180 2147483647)) (.cse178 (* .cse180 8)) (.cse177 (* .cse179 8)) (.cse94 (<= .cse179 2147483647)) (.cse176 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse0 (<= .cse176 2147483647)) (.cse1 (not .cse94)) (.cse60 (+ .cse177 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse64 (+ .cse177 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse14 (+ .cse178 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse59 (not .cse2)) (.cse5 (+ c_~N~0 4294967294)) (.cse11 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ c_~N~0 4294967295)) (.cse7 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse40 (+ .cse178 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse92 (+ .cse177 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse93 (+ .cse177 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse63 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse95 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse96 (* 8 .cse176))) (and (or (not .cse0) (let ((.cse61 (select .cse63 (+ .cse96 |c_ULTIMATE.start_main_~b~0#1.offset|))) (.cse62 (select .cse95 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse96)))) (let ((.cse65 (+ .cse61 .cse62))) (and (or .cse1 (let ((.cse13 (store .cse63 .cse64 .cse65))) (let ((.cse15 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse13) |c_ULTIMATE.start_main_~a~0#1.base|) .cse60) .cse61 .cse62))) (and (or .cse2 (and (forall ((v_ArrVal_1446 Int)) (or (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse8 (store .cse13 .cse14 v_ArrVal_1446)) (.cse12 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse3 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse12)) (.cse4 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse12)) (.cse6 (store (store .cse8 (+ (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451))) (or (<= .cse3 2147483648) (< .cse4 .cse5) (= (select .cse6 .cse7) 19) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< v_ArrVal_1449 (let ((.cse9 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse8) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse9 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse8 (+ .cse9 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (<= 4294967297 .cse3) (<= .cse10 .cse4) (< 7 (select .cse6 .cse11)))))) (not (<= .cse15 v_ArrVal_1446)))) (forall ((v_ArrVal_1446 Int)) (or (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse21 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296)) (.cse19 (store .cse13 .cse14 v_ArrVal_1446))) (let ((.cse18 (store (store .cse19 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse16 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse21)) (.cse17 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse21))) (or (<= .cse16 2147483648) (< .cse17 .cse5) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< 7 (select .cse18 .cse11)) (< v_ArrVal_1449 (let ((.cse20 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse19) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse20 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse19 (+ .cse20 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (= 19 (select .cse18 .cse7)) (<= 4294967297 .cse16) (<= .cse10 .cse17) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647))))) (not (<= .cse15 v_ArrVal_1446)))) (forall ((v_ArrVal_1446 Int)) (or (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse27 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296)) (.cse24 (store .cse13 .cse14 v_ArrVal_1446))) (let ((.cse23 (store (store .cse24 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse22 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse27)) (.cse26 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse27))) (or (< .cse22 .cse5) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< 7 (select .cse23 .cse11)) (= 19 (select .cse23 .cse7)) (<= .cse10 .cse22) (< v_ArrVal_1449 (let ((.cse25 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse24) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse24 (+ .cse25 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (< .cse26 1) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse26))))) (not (<= .cse15 v_ArrVal_1446)))) (forall ((v_ArrVal_1446 Int)) (or (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse30 (store .cse13 .cse14 v_ArrVal_1446)) (.cse33 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse28 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse33)) (.cse29 (store (store .cse30 (+ (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse32 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse33))) (or (< .cse28 .cse5) (= (select .cse29 .cse7) 19) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (<= .cse10 .cse28) (< v_ArrVal_1449 (let ((.cse31 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse30) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse30 (+ .cse31 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (< .cse32 1) (< 7 (select .cse29 .cse11)) (< 2147483648 .cse32))))) (not (<= .cse15 v_ArrVal_1446)))))) (or (and (forall ((v_ArrVal_1446 Int)) (or (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse39 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296)) (.cse36 (store .cse13 .cse40 v_ArrVal_1446))) (let ((.cse35 (store (store .cse36 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse34 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse39)) (.cse38 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse39))) (or (< .cse34 .cse5) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< 7 (select .cse35 .cse11)) (= 19 (select .cse35 .cse7)) (< v_ArrVal_1449 (let ((.cse37 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse36) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse37 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse36 (+ .cse37 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (<= .cse10 .cse34) (< .cse38 1) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse38))))) (not (<= .cse15 v_ArrVal_1446)))) (forall ((v_ArrVal_1446 Int)) (or (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse46 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296)) (.cse43 (store .cse13 .cse40 v_ArrVal_1446))) (let ((.cse42 (store (store .cse43 (+ (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse41 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse46)) (.cse45 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse46))) (or (< .cse41 .cse5) (< 7 (select .cse42 .cse11)) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (= 19 (select .cse42 .cse7)) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< v_ArrVal_1449 (let ((.cse44 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse43) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse44 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse43 (+ .cse44 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (<= .cse10 .cse41) (< .cse45 1) (< 2147483648 .cse45))))) (not (<= .cse15 v_ArrVal_1446)))) (forall ((v_ArrVal_1446 Int)) (or (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse52 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296)) (.cse50 (store .cse13 .cse40 v_ArrVal_1446))) (let ((.cse49 (store (store .cse50 (+ (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse47 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse52)) (.cse48 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse52))) (or (<= .cse47 2147483648) (< .cse48 .cse5) (< 7 (select .cse49 .cse11)) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (= 19 (select .cse49 .cse7)) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< v_ArrVal_1449 (let ((.cse51 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse50 (+ .cse51 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse50) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse51 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))) (<= 4294967297 .cse47) (<= .cse10 .cse48))))) (not (<= .cse15 v_ArrVal_1446)))) (forall ((v_ArrVal_1446 Int)) (or (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse58 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296)) (.cse56 (store .cse13 .cse40 v_ArrVal_1446))) (let ((.cse55 (store (store .cse56 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse53 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse58)) (.cse54 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse58))) (or (<= .cse53 2147483648) (< .cse54 .cse5) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< 7 (select .cse55 .cse11)) (= 19 (select .cse55 .cse7)) (< v_ArrVal_1449 (let ((.cse57 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse56 (+ .cse57 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse56) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse57 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))) (<= 4294967297 .cse53) (<= .cse10 .cse54) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647))))) (not (<= .cse15 v_ArrVal_1446))))) .cse59))))) (or (let ((.cse72 (store .cse63 .cse93 .cse65))) (let ((.cse73 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse72) |c_ULTIMATE.start_main_~a~0#1.base|) .cse92) .cse61 .cse62))) (and (forall ((v_ArrVal_1446 Int)) (or (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse71 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296)) (.cse69 (store .cse72 .cse14 v_ArrVal_1446))) (let ((.cse68 (store (store .cse69 (+ (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse66 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse71)) (.cse67 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse71))) (or (<= .cse66 2147483648) (< .cse67 .cse5) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< 7 (select .cse68 .cse11)) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (= 19 (select .cse68 .cse7)) (<= 4294967297 .cse66) (< v_ArrVal_1449 (let ((.cse70 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse69 (+ .cse70 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse69) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse70 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))) (<= .cse10 .cse67))))) (not (<= .cse73 v_ArrVal_1446)))) (forall ((v_ArrVal_1446 Int)) (or (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse79 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296)) (.cse75 (store .cse72 .cse14 v_ArrVal_1446))) (let ((.cse77 (store (store .cse75 (+ (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse74 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse79)) (.cse78 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse79))) (or (< .cse74 .cse5) (< v_ArrVal_1449 (let ((.cse76 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse75) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse76 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse75 (+ .cse76 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< 7 (select .cse77 .cse11)) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (= 19 (select .cse77 .cse7)) (<= .cse10 .cse74) (< .cse78 1) (< 2147483648 .cse78))))) (not (<= .cse73 v_ArrVal_1446)))) (forall ((v_ArrVal_1446 Int)) (or (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse85 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296)) (.cse82 (store .cse72 .cse14 v_ArrVal_1446))) (let ((.cse81 (store (store .cse82 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse80 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse85)) (.cse84 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse85))) (or (< .cse80 .cse5) (= 19 (select .cse81 .cse7)) (< v_ArrVal_1449 (let ((.cse83 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse82) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse83 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse82 (+ .cse83 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< 7 (select .cse81 .cse11)) (<= .cse10 .cse80) (< .cse84 1) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse84))))) (not (<= .cse73 v_ArrVal_1446)))) (forall ((v_ArrVal_1446 Int)) (or (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse91 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296)) (.cse89 (store .cse72 .cse14 v_ArrVal_1446))) (let ((.cse88 (store (store .cse89 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse86 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse91)) (.cse87 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse91))) (or (<= .cse86 2147483648) (< .cse87 .cse5) (= 19 (select .cse88 .cse7)) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< 7 (select .cse88 .cse11)) (<= 4294967297 .cse86) (< v_ArrVal_1449 (let ((.cse90 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse89 (+ .cse90 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse89) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse90 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))) (<= .cse10 .cse87) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647))))) (not (<= .cse73 v_ArrVal_1446))))))) .cse94))))) (or .cse0 (let ((.cse123 (select .cse95 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse96))) (.cse124 (select .cse63 (+ (- 34359738368) .cse96 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (let ((.cse125 (+ .cse123 .cse124))) (and (or .cse1 (let ((.cse104 (store .cse63 .cse64 .cse125))) (let ((.cse97 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse104) |c_ULTIMATE.start_main_~a~0#1.base|) .cse60) .cse123 .cse124))) (and (forall ((v_ArrVal_1446 Int)) (or (not (<= .cse97 v_ArrVal_1446)) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse101 (store .cse104 .cse40 v_ArrVal_1446)) (.cse103 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse98 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse103)) (.cse100 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse103)) (.cse99 (store (store .cse101 (+ (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451))) (or (< .cse98 .cse5) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< 7 (select .cse99 .cse11)) (<= .cse10 .cse98) (< .cse100 1) (< 2147483648 .cse100) (< v_ArrVal_1449 (let ((.cse102 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse101 (+ .cse102 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse101) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse102 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (= 19 (select .cse99 .cse7)))))))) (forall ((v_ArrVal_1446 Int)) (or (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse108 (store .cse104 .cse40 v_ArrVal_1446)) (.cse110 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse105 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse110)) (.cse106 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse110)) (.cse107 (store (store .cse108 (+ (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451))) (or (<= .cse105 2147483648) (< .cse106 .cse5) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< 7 (select .cse107 .cse11)) (<= 4294967297 .cse105) (<= .cse10 .cse106) (< v_ArrVal_1449 (let ((.cse109 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse108) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse109 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse108 (+ .cse109 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (= 19 (select .cse107 .cse7)))))) (not (<= .cse97 v_ArrVal_1446)))) (forall ((v_ArrVal_1446 Int)) (or (not (<= .cse97 v_ArrVal_1446)) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse114 (store .cse104 .cse40 v_ArrVal_1446)) (.cse116 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse111 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse116)) (.cse113 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse116)) (.cse112 (store (store .cse114 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451))) (or (< .cse111 .cse5) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< 7 (select .cse112 .cse11)) (<= .cse10 .cse111) (< .cse113 1) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse113) (< v_ArrVal_1449 (let ((.cse115 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse114 (+ .cse115 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse114) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse115 |c_ULTIMATE.start_main_~a~0#1.offset|))))) (= 19 (select .cse112 .cse7)))))))) (forall ((v_ArrVal_1446 Int)) (or (not (<= .cse97 v_ArrVal_1446)) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse120 (store .cse104 .cse40 v_ArrVal_1446)) (.cse122 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse117 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse122)) (.cse118 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse122)) (.cse119 (store (store .cse120 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451))) (or (<= .cse117 2147483648) (< .cse118 .cse5) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< 7 (select .cse119 .cse11)) (<= 4294967297 .cse117) (<= .cse10 .cse118) (< v_ArrVal_1449 (let ((.cse121 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse120) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse121 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse120 (+ .cse121 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (= 19 (select .cse119 .cse7)))))))))))) (or (let ((.cse132 (store .cse63 .cse93 .cse125))) (let ((.cse133 (+ .cse123 .cse124 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse132) |c_ULTIMATE.start_main_~a~0#1.base|) .cse92)))) (and (or .cse2 (and (forall ((v_ArrVal_1446 Int)) (or (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse131 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296)) (.cse128 (store .cse132 .cse14 v_ArrVal_1446))) (let ((.cse127 (store (store .cse128 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse126 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse131)) (.cse130 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse131))) (or (< .cse126 .cse5) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (= 19 (select .cse127 .cse7)) (< v_ArrVal_1449 (let ((.cse129 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse128) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse129 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse128 (+ .cse129 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (< 7 (select .cse127 .cse11)) (<= .cse10 .cse126) (< .cse130 1) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse130))))) (not (<= .cse133 v_ArrVal_1446)))) (forall ((v_ArrVal_1446 Int)) (or (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse136 (store .cse132 .cse14 v_ArrVal_1446)) (.cse139 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse134 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse139)) (.cse135 (store (store .cse136 (+ (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse138 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse139))) (or (< .cse134 .cse5) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< 7 (select .cse135 .cse11)) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< v_ArrVal_1449 (let ((.cse137 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse136) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse137 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse136 (+ .cse137 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (<= .cse10 .cse134) (< .cse138 1) (= (select .cse135 .cse7) 19) (< 2147483648 .cse138))))) (not (<= .cse133 v_ArrVal_1446)))) (forall ((v_ArrVal_1446 Int)) (or (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse145 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296)) (.cse143 (store .cse132 .cse14 v_ArrVal_1446))) (let ((.cse142 (store (store .cse143 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse140 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse145)) (.cse141 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse145))) (or (<= .cse140 2147483648) (< .cse141 .cse5) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (= 19 (select .cse142 .cse7)) (< 7 (select .cse142 .cse11)) (<= 4294967297 .cse140) (<= .cse10 .cse141) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< v_ArrVal_1449 (let ((.cse144 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse143) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse144 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse143 (+ .cse144 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))))) (not (<= .cse133 v_ArrVal_1446)))) (forall ((v_ArrVal_1446 Int)) (or (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse149 (store .cse132 .cse14 v_ArrVal_1446)) (.cse151 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse146 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse151)) (.cse147 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse151)) (.cse148 (store (store .cse149 (+ (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451))) (or (<= .cse146 2147483648) (< .cse147 .cse5) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< 7 (select .cse148 .cse11)) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (<= 4294967297 .cse146) (<= .cse10 .cse147) (< v_ArrVal_1449 (let ((.cse150 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse149) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse150 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse149 (+ .cse150 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (= (select .cse148 .cse7) 19))))) (not (<= .cse133 v_ArrVal_1446)))))) (or .cse59 (and (forall ((v_ArrVal_1446 Int)) (or (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse153 (store .cse132 .cse40 v_ArrVal_1446)) (.cse157 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse152 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse157)) (.cse156 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse157)) (.cse155 (store (store .cse153 (+ (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451))) (or (< .cse152 .cse5) (< v_ArrVal_1449 (let ((.cse154 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse153) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse154 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse153 (+ .cse154 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< 7 (select .cse155 .cse11)) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (<= .cse10 .cse152) (< .cse156 1) (< 2147483648 .cse156) (= 19 (select .cse155 .cse7)))))) (not (<= .cse133 v_ArrVal_1446)))) (forall ((v_ArrVal_1446 Int)) (or (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int)) (let ((.cse163 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296)) (.cse159 (store .cse132 .cse40 v_ArrVal_1446))) (let ((.cse161 (store (store .cse159 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse158 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse163)) (.cse162 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse163))) (or (< .cse158 .cse5) (< v_ArrVal_1449 (let ((.cse160 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse159) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse160 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse159 (+ .cse160 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (= 19 (select .cse161 .cse7)) (< 7 (select .cse161 .cse11)) (<= .cse10 .cse158) (< .cse162 1) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse162))))) (not (<= .cse133 v_ArrVal_1446)))) (forall ((v_ArrVal_1446 Int)) (or (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse166 (store .cse132 .cse40 v_ArrVal_1446)) (.cse169 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse164 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse169)) (.cse168 (store (store .cse166 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451)) (.cse165 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse169))) (or (<= .cse164 2147483648) (< .cse165 .cse5) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< v_ArrVal_1449 (let ((.cse167 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse166) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse167 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse166 (+ .cse167 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (= 19 (select .cse168 .cse7)) (<= 4294967297 .cse164) (< 7 (select .cse168 .cse11)) (<= .cse10 .cse165) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647))))) (not (<= .cse133 v_ArrVal_1446)))) (forall ((v_ArrVal_1446 Int)) (or (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1451 Int) (v_ArrVal_1449 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse172 (store .cse132 .cse40 v_ArrVal_1446)) (.cse175 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse170 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse175)) (.cse171 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse175)) (.cse174 (store (store .cse172 (+ (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1449) (+ (* 8 (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_1451))) (or (<= .cse170 2147483648) (< .cse171 .cse5) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< v_ArrVal_1449 (let ((.cse173 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse172) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse173 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse172 (+ .cse173 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (< 7 (select .cse174 .cse11)) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (<= 4294967297 .cse170) (<= .cse10 .cse171) (= 19 (select .cse174 .cse7)))))) (not (<= .cse133 v_ArrVal_1446))))))))) .cse94)))))))))) is different from true