./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/eqn1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI --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 14bc2dbf7c29b1d0f6a0a1f7aa323adbc9855e56ce7f667c86a31ecee97dcbe0 --- 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-5e519f3 [2022-11-03 02:25:10,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:25:10,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:25:10,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:25:10,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:25:10,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:25:10,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:25:10,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:25:10,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:25:10,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:25:10,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:25:10,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:25:10,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:25:10,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:25:10,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:25:10,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:25:10,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:25:10,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:25:10,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:25:10,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:25:10,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:25:10,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:25:10,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:25:10,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:25:10,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:25:10,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:25:10,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:25:10,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:25:10,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:25:10,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:25:10,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:25:10,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:25:10,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:25:10,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:25:10,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:25:10,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:25:10,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:25:10,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:25:10,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:25:10,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:25:10,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:25:10,217 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 02:25:10,258 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:25:10,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:25:10,259 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:25:10,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:25:10,260 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:25:10,261 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:25:10,261 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:25:10,261 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:25:10,261 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:25:10,261 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:25:10,262 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:25:10,263 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:25:10,263 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:25:10,263 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:25:10,263 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:25:10,263 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:25:10,263 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:25:10,264 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:25:10,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:25:10,265 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:25:10,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:25:10,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:25:10,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:25:10,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:25:10,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:25:10,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:25:10,283 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:25:10,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:25:10,284 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:25:10,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:25:10,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:25:10,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:25:10,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:25:10,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:25:10,286 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:25:10,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:25:10,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:25:10,287 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:25:10,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:25:10,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:25:10,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:25:10,288 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_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14bc2dbf7c29b1d0f6a0a1f7aa323adbc9855e56ce7f667c86a31ecee97dcbe0 [2022-11-03 02:25:10,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:25:10,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:25:10,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:25:10,580 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:25:10,581 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:25:10,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/array-fpi/eqn1.c [2022-11-03 02:25:10,656 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/data/f222b15c4/26206a9467034a55ad3f59b3878fb4fe/FLAGa0da732f7 [2022-11-03 02:25:11,130 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:25:11,132 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/sv-benchmarks/c/array-fpi/eqn1.c [2022-11-03 02:25:11,139 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/data/f222b15c4/26206a9467034a55ad3f59b3878fb4fe/FLAGa0da732f7 [2022-11-03 02:25:11,498 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/data/f222b15c4/26206a9467034a55ad3f59b3878fb4fe [2022-11-03 02:25:11,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:25:11,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:25:11,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:25:11,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:25:11,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:25:11,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:25:11" (1/1) ... [2022-11-03 02:25:11,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76821804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:25:11, skipping insertion in model container [2022-11-03 02:25:11,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:25:11" (1/1) ... [2022-11-03 02:25:11,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:25:11,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:25:11,754 WARN L230 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_c74f4426-46ab-4cb9-85f2-2707813b1998/sv-benchmarks/c/array-fpi/eqn1.c[587,600] [2022-11-03 02:25:11,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:25:11,783 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:25:11,795 WARN L230 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_c74f4426-46ab-4cb9-85f2-2707813b1998/sv-benchmarks/c/array-fpi/eqn1.c[587,600] [2022-11-03 02:25:11,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:25:11,817 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:25:11,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:25:11 WrapperNode [2022-11-03 02:25:11,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:25:11,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:25:11,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:25:11,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:25:11,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:25:11" (1/1) ... [2022-11-03 02:25:11,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:25:11" (1/1) ... [2022-11-03 02:25:11,878 INFO L138 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2022-11-03 02:25:11,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:25:11,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:25:11,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:25:11,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:25:11,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:25:11" (1/1) ... [2022-11-03 02:25:11,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:25:11" (1/1) ... [2022-11-03 02:25:11,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:25:11" (1/1) ... [2022-11-03 02:25:11,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:25:11" (1/1) ... [2022-11-03 02:25:11,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:25:11" (1/1) ... [2022-11-03 02:25:11,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:25:11" (1/1) ... [2022-11-03 02:25:11,921 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:25:11" (1/1) ... [2022-11-03 02:25:11,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:25:11" (1/1) ... [2022-11-03 02:25:11,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:25:11,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:25:11,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:25:11,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:25:11,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:25:11" (1/1) ... [2022-11-03 02:25:11,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:25:11,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:25:11,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:25:11,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:25:12,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:25:12,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:25:12,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:25:12,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:25:12,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:25:12,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:25:12,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:25:12,102 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:25:12,104 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:25:12,340 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:25:12,411 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:25:12,412 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-03 02:25:12,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:25:12 BoogieIcfgContainer [2022-11-03 02:25:12,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:25:12,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:25:12,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:25:12,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:25:12,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:25:11" (1/3) ... [2022-11-03 02:25:12,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c10905b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:25:12, skipping insertion in model container [2022-11-03 02:25:12,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:25:11" (2/3) ... [2022-11-03 02:25:12,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c10905b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:25:12, skipping insertion in model container [2022-11-03 02:25:12,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:25:12" (3/3) ... [2022-11-03 02:25:12,437 INFO L112 eAbstractionObserver]: Analyzing ICFG eqn1.c [2022-11-03 02:25:12,455 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:25:12,455 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:25:12,501 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:25:12,508 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;@310c09ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:25:12,508 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:25:12,512 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) [2022-11-03 02:25:12,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-03 02:25:12,518 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:12,519 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:25:12,520 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:25:12,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:12,525 INFO L85 PathProgramCache]: Analyzing trace with hash -794748304, now seen corresponding path program 1 times [2022-11-03 02:25:12,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:12,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052745211] [2022-11-03 02:25:12,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:12,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:12,697 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:25:12,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1686877171] [2022-11-03 02:25:12,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:12,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:12,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:25:12,706 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:25:12,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:25:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:12,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-03 02:25:12,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:25:12,974 INFO L356 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-11-03 02:25:12,977 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:13,011 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:13,036 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:13,156 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:13,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:13,270 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:25:13,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:13,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052745211] [2022-11-03 02:25:13,271 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:25:13,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686877171] [2022-11-03 02:25:13,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686877171] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:13,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:13,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:25:13,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469568835] [2022-11-03 02:25:13,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:13,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:25:13,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:13,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:25:13,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:25:13,312 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) [2022-11-03 02:25:13,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:13,494 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2022-11-03 02:25:13,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:25:13,497 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 [2022-11-03 02:25:13,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:13,505 INFO L225 Difference]: With dead ends: 35 [2022-11-03 02:25:13,506 INFO L226 Difference]: Without dead ends: 20 [2022-11-03 02:25:13,508 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 [2022-11-03 02:25:13,512 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 17 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:13,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 19 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:25:13,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-03 02:25:13,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2022-11-03 02:25:13,545 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) [2022-11-03 02:25:13,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2022-11-03 02:25:13,547 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 17 transitions. Word has length 7 [2022-11-03 02:25:13,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:13,548 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-03 02:25:13,548 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) [2022-11-03 02:25:13,548 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2022-11-03 02:25:13,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 02:25:13,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:13,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:25:13,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-03 02:25:13,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-03 02:25:13,775 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:25:13,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:13,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1127926275, now seen corresponding path program 1 times [2022-11-03 02:25:13,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:13,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995803286] [2022-11-03 02:25:13,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:13,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:13,807 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:25:13,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [637812945] [2022-11-03 02:25:13,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:13,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:13,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:25:13,810 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:25:13,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:25:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:13,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:25:13,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:25:13,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:13,966 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:25:13,966 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:13,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995803286] [2022-11-03 02:25:13,966 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:25:13,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637812945] [2022-11-03 02:25:13,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637812945] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:13,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:13,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:25:13,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118749167] [2022-11-03 02:25:13,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:13,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:25:13,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:13,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:25:13,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:25:13,969 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) [2022-11-03 02:25:14,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:14,033 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2022-11-03 02:25:14,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:25:14,044 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 [2022-11-03 02:25:14,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:14,044 INFO L225 Difference]: With dead ends: 25 [2022-11-03 02:25:14,045 INFO L226 Difference]: Without dead ends: 19 [2022-11-03 02:25:14,045 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 [2022-11-03 02:25:14,046 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:14,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:25:14,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-03 02:25:14,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 13. [2022-11-03 02:25:14,050 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) [2022-11-03 02:25:14,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2022-11-03 02:25:14,051 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 8 [2022-11-03 02:25:14,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:14,051 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-11-03 02:25:14,052 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) [2022-11-03 02:25:14,052 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-11-03 02:25:14,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 02:25:14,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:14,052 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:25:14,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:25:14,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:14,272 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:25:14,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:14,273 INFO L85 PathProgramCache]: Analyzing trace with hash 849022933, now seen corresponding path program 1 times [2022-11-03 02:25:14,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:14,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354206798] [2022-11-03 02:25:14,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:14,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:14,315 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:25:14,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [925944872] [2022-11-03 02:25:14,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:14,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:14,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:25:14,317 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:25:14,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:25:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:14,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:25:14,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:25:14,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:14,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:25:14,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:14,456 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:14,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354206798] [2022-11-03 02:25:14,457 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:25:14,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925944872] [2022-11-03 02:25:14,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925944872] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:25:14,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [803842125] [2022-11-03 02:25:14,477 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 02:25:14,478 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:25:14,481 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:25:14,487 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:25:14,488 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:25:14,760 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 02:25:14,761 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:14,823 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:14,875 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:14,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:14,980 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:15,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:15,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:15,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,437 INFO L356 Elim1Store]: treesize reduction 241, result has 12.4 percent of original size [2022-11-03 02:25:15,438 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:15,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:15,742 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:15,774 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:25:16,184 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) (= |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) (= (ite (= (+ |ULTIMATE.start_main_~i~0#1| (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) 1) |ULTIMATE.start_main_#t~mem13#1|) 1 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 [2022-11-03 02:25:16,184 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:25:16,184 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:25:16,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2022-11-03 02:25:16,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151869059] [2022-11-03 02:25:16,185 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 02:25:16,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:25:16,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:16,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:25:16,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:25:16,186 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) [2022-11-03 02:25:16,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:16,314 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2022-11-03 02:25:16,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:25:16,315 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 [2022-11-03 02:25:16,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:16,316 INFO L225 Difference]: With dead ends: 29 [2022-11-03 02:25:16,316 INFO L226 Difference]: Without dead ends: 24 [2022-11-03 02:25:16,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2022-11-03 02:25:16,317 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 11 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:16,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 18 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:25:16,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-03 02:25:16,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 14. [2022-11-03 02:25:16,321 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) [2022-11-03 02:25:16,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2022-11-03 02:25:16,327 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 17 transitions. Word has length 8 [2022-11-03 02:25:16,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:16,328 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-11-03 02:25:16,334 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) [2022-11-03 02:25:16,334 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-11-03 02:25:16,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 02:25:16,335 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:16,335 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:25:16,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:25:16,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:16,549 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:25:16,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:16,549 INFO L85 PathProgramCache]: Analyzing trace with hash 545227070, now seen corresponding path program 1 times [2022-11-03 02:25:16,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:16,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426684024] [2022-11-03 02:25:16,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:16,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:16,594 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:25:16,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1394059832] [2022-11-03 02:25:16,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:16,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:16,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:25:16,611 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:25:16,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 02:25:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:16,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-03 02:25:16,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:25:16,774 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:16,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:16,781 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 14 [2022-11-03 02:25:16,785 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:16,810 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:16,839 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:16,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:16,887 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:25:17,069 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_114 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_ArrVal_114) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) is different from false [2022-11-03 02:25:17,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-11-03 02:25:17,100 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:17,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426684024] [2022-11-03 02:25:17,100 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:25:17,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394059832] [2022-11-03 02:25:17,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394059832] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:25:17,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [940445375] [2022-11-03 02:25:17,103 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 02:25:17,103 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:25:17,104 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:25:17,104 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:25:17,104 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:25:17,231 INFO L356 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-03 02:25:17,231 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:17,380 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 02:25:17,381 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:17,408 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:17,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:17,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,483 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:17,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:17,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:17,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,778 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 02:25:17,779 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:17,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,907 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:17,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:17,933 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:17,934 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:17,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:17,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:18,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:18,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:18,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:18,026 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 02:25:18,027 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:18,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:18,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:18,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:18,073 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:18,074 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:18,092 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:25:18,431 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) (<= ~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) (= (ite (= (+ |ULTIMATE.start_main_~i~0#1| (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) 1) |ULTIMATE.start_main_#t~mem13#1|) 1 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 [2022-11-03 02:25:18,431 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:25:18,431 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:25:18,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2022-11-03 02:25:18,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060789961] [2022-11-03 02:25:18,432 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 02:25:18,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:25:18,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:18,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:25:18,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=149, Unknown=1, NotChecked=24, Total=210 [2022-11-03 02:25:18,433 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. Second operand has 10 states, 10 states have (on average 1.5) 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) [2022-11-03 02:25:18,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:18,595 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2022-11-03 02:25:18,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:25:18,597 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.5) 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) Word has length 9 [2022-11-03 02:25:18,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:18,598 INFO L225 Difference]: With dead ends: 32 [2022-11-03 02:25:18,598 INFO L226 Difference]: Without dead ends: 30 [2022-11-03 02:25:18,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=54, Invalid=221, Unknown=1, NotChecked=30, Total=306 [2022-11-03 02:25:18,599 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 16 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 24 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:18,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 21 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 42 Invalid, 0 Unknown, 24 Unchecked, 0.1s Time] [2022-11-03 02:25:18,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-03 02:25:18,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 17. [2022-11-03 02:25:18,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 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) [2022-11-03 02:25:18,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2022-11-03 02:25:18,615 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 22 transitions. Word has length 9 [2022-11-03 02:25:18,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:18,615 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 22 transitions. [2022-11-03 02:25:18,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.5) 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) [2022-11-03 02:25:18,615 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2022-11-03 02:25:18,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 02:25:18,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:18,616 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:25:18,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 02:25:18,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:18,817 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:25:18,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:18,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1813092602, now seen corresponding path program 1 times [2022-11-03 02:25:18,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:18,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736409315] [2022-11-03 02:25:18,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:18,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:18,840 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:25:18,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [438706562] [2022-11-03 02:25:18,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:18,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:18,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:25:18,842 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:25:18,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 02:25:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:18,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 02:25:18,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:25:18,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:18,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:25:18,961 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:18,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736409315] [2022-11-03 02:25:18,961 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:25:18,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438706562] [2022-11-03 02:25:18,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438706562] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:18,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:18,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:25:18,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975132336] [2022-11-03 02:25:18,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:18,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:25:18,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:18,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:25:18,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:25:18,965 INFO L87 Difference]: Start difference. First operand 17 states and 22 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) [2022-11-03 02:25:19,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:19,030 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2022-11-03 02:25:19,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:25:19,031 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 [2022-11-03 02:25:19,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:19,032 INFO L225 Difference]: With dead ends: 31 [2022-11-03 02:25:19,032 INFO L226 Difference]: Without dead ends: 21 [2022-11-03 02:25:19,032 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 [2022-11-03 02:25:19,037 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 8 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:19,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 12 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:25:19,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-03 02:25:19,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 16. [2022-11-03 02:25:19,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 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) [2022-11-03 02:25:19,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2022-11-03 02:25:19,048 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 10 [2022-11-03 02:25:19,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:19,048 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2022-11-03 02:25:19,048 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) [2022-11-03 02:25:19,048 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2022-11-03 02:25:19,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 02:25:19,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:19,049 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:25:19,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-03 02:25:19,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:19,250 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:25:19,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:19,250 INFO L85 PathProgramCache]: Analyzing trace with hash -282510091, now seen corresponding path program 2 times [2022-11-03 02:25:19,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:19,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876488932] [2022-11-03 02:25:19,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:19,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:19,287 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:25:19,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1219436801] [2022-11-03 02:25:19,291 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:25:19,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:19,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:25:19,293 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:25:19,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-03 02:25:19,390 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-03 02:25:19,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:25:19,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 02:25:19,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:25:19,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:19,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:25:19,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:19,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:19,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876488932] [2022-11-03 02:25:19,460 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:25:19,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219436801] [2022-11-03 02:25:19,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219436801] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:25:19,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1643154508] [2022-11-03 02:25:19,462 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 02:25:19,463 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:25:19,463 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:25:19,463 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:25:19,463 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:25:19,608 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 02:25:19,608 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:19,628 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:19,649 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:19,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:19,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,693 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:19,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:19,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:19,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:19,953 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 02:25:19,954 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:20,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,071 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:20,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:20,116 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:20,117 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:20,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:20,166 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:20,166 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:20,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:20,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:20,217 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:20,217 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:20,246 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:25:20,663 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '620#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (<= ~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) (= (ite (= (+ |ULTIMATE.start_main_~i~0#1| (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) 1) |ULTIMATE.start_main_#t~mem13#1|) 1 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 [2022-11-03 02:25:20,663 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:25:20,663 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:25:20,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2022-11-03 02:25:20,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617270665] [2022-11-03 02:25:20,664 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 02:25:20,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 02:25:20,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:20,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 02:25:20,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:25:20,665 INFO L87 Difference]: Start difference. First operand 16 states and 20 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) [2022-11-03 02:25:20,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:20,758 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2022-11-03 02:25:20,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:25:20,759 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 [2022-11-03 02:25:20,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:20,760 INFO L225 Difference]: With dead ends: 33 [2022-11-03 02:25:20,760 INFO L226 Difference]: Without dead ends: 27 [2022-11-03 02:25:20,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2022-11-03 02:25:20,761 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 12 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:20,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 12 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:25:20,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-03 02:25:20,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 16. [2022-11-03 02:25:20,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 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) [2022-11-03 02:25:20,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-11-03 02:25:20,765 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 10 [2022-11-03 02:25:20,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:20,766 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-03 02:25:20,766 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) [2022-11-03 02:25:20,766 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-11-03 02:25:20,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 02:25:20,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:20,767 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:25:20,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-03 02:25:20,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:20,978 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:25:20,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:20,978 INFO L85 PathProgramCache]: Analyzing trace with hash -338579101, now seen corresponding path program 3 times [2022-11-03 02:25:20,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:20,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198986666] [2022-11-03 02:25:20,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:20,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:21,003 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:25:21,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [468768246] [2022-11-03 02:25:21,004 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 02:25:21,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:21,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:25:21,005 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:25:21,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-03 02:25:21,078 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 02:25:21,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:25:21,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 02:25:21,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:25:21,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:21,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:25:21,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:21,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:21,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198986666] [2022-11-03 02:25:21,153 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:25:21,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468768246] [2022-11-03 02:25:21,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468768246] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:25:21,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [634656363] [2022-11-03 02:25:21,155 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 02:25:21,155 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:25:21,156 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:25:21,156 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:25:21,156 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:25:21,234 INFO L356 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-03 02:25:21,235 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:21,390 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 02:25:21,390 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:21,419 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:21,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:21,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,464 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:21,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:21,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:21,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,723 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 02:25:21,724 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:21,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,859 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:21,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:21,884 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:21,884 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:21,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:21,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:21,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:21,965 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 02:25:21,966 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:22,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:22,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:22,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:22,021 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:22,022 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:22,039 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:25:22,375 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '764#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (<= ~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) (= (ite (= (+ |ULTIMATE.start_main_~i~0#1| (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) 1) |ULTIMATE.start_main_#t~mem13#1|) 1 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 [2022-11-03 02:25:22,375 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:25:22,375 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:25:22,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2022-11-03 02:25:22,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552509601] [2022-11-03 02:25:22,375 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 02:25:22,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 02:25:22,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:22,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 02:25:22,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:25:22,377 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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) [2022-11-03 02:25:22,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:22,537 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2022-11-03 02:25:22,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 02:25:22,538 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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 [2022-11-03 02:25:22,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:22,539 INFO L225 Difference]: With dead ends: 37 [2022-11-03 02:25:22,539 INFO L226 Difference]: Without dead ends: 32 [2022-11-03 02:25:22,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2022-11-03 02:25:22,540 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 19 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:22,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 27 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:25:22,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-03 02:25:22,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 17. [2022-11-03 02:25:22,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.25) internal successors, (20), 16 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) [2022-11-03 02:25:22,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2022-11-03 02:25:22,545 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 10 [2022-11-03 02:25:22,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:22,545 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-11-03 02:25:22,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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) [2022-11-03 02:25:22,546 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-03 02:25:22,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:25:22,546 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:22,547 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:25:22,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-03 02:25:22,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:22,751 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:25:22,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:22,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1910697616, now seen corresponding path program 4 times [2022-11-03 02:25:22,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:22,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221651832] [2022-11-03 02:25:22,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:22,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:22,782 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:25:22,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2043976057] [2022-11-03 02:25:22,782 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-03 02:25:22,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:22,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:25:22,784 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:25:22,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-03 02:25:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:23,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-03 02:25:23,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:25:23,097 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:23,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,104 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 14 [2022-11-03 02:25:23,107 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:23,132 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:23,157 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:23,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,193 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:23,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,222 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:23,276 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:23,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:25:23,550 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_251 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_ArrVal_251) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) is different from false [2022-11-03 02:25:23,567 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 2 not checked. [2022-11-03 02:25:23,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:23,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221651832] [2022-11-03 02:25:23,567 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:25:23,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043976057] [2022-11-03 02:25:23,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043976057] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:25:23,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [571002734] [2022-11-03 02:25:23,570 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 02:25:23,570 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:25:23,570 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:25:23,570 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:25:23,571 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:25:23,703 INFO L356 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-03 02:25:23,704 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:23,810 INFO L356 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-03 02:25:23,810 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:23,948 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 02:25:23,948 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:23,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:23,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:23,999 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:24,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:24,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:24,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,256 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 02:25:24,257 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:24,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,372 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:24,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:24,416 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:24,416 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:24,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:24,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:24,451 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:24,451 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:24,476 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:25:24,910 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '929#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (<= ~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) (= (ite (= (+ |ULTIMATE.start_main_~i~0#1| (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) 1) |ULTIMATE.start_main_#t~mem13#1|) 1 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 [2022-11-03 02:25:24,910 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:25:24,910 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:25:24,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2022-11-03 02:25:24,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378887938] [2022-11-03 02:25:24,911 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 02:25:24,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 02:25:24,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:24,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 02:25:24,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=248, Unknown=1, NotChecked=32, Total=342 [2022-11-03 02:25:24,912 INFO L87 Difference]: Start difference. First operand 17 states and 20 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) [2022-11-03 02:25:25,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:25,406 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2022-11-03 02:25:25,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-03 02:25:25,411 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 11 [2022-11-03 02:25:25,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:25,411 INFO L225 Difference]: With dead ends: 64 [2022-11-03 02:25:25,411 INFO L226 Difference]: Without dead ends: 62 [2022-11-03 02:25:25,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 12 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=146, Invalid=613, Unknown=1, NotChecked=52, Total=812 [2022-11-03 02:25:25,413 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 60 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 74 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:25,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 55 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 101 Invalid, 0 Unknown, 74 Unchecked, 0.2s Time] [2022-11-03 02:25:25,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-03 02:25:25,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 19. [2022-11-03 02:25:25,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 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) [2022-11-03 02:25:25,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2022-11-03 02:25:25,420 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 24 transitions. Word has length 11 [2022-11-03 02:25:25,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:25,420 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-11-03 02:25:25,421 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) [2022-11-03 02:25:25,421 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-11-03 02:25:25,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 02:25:25,421 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:25,421 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:25:25,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-03 02:25:25,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-03 02:25:25,626 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:25:25,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:25,627 INFO L85 PathProgramCache]: Analyzing trace with hash -701556884, now seen corresponding path program 1 times [2022-11-03 02:25:25,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:25,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57083630] [2022-11-03 02:25:25,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:25,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:25,659 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:25:25,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [744259252] [2022-11-03 02:25:25,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:25,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:25,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:25:25,661 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:25:25,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-03 02:25:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:25,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-03 02:25:25,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:25:25,845 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-03 02:25:25,845 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:25,876 INFO L356 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2022-11-03 02:25:25,876 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:25,884 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:25,907 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:25,928 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 24 treesize of output 17 [2022-11-03 02:25:25,941 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:25,953 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 54 treesize of output 71 [2022-11-03 02:25:26,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:26,005 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 55 treesize of output 48 [2022-11-03 02:25:26,033 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:26,044 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:26,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:26,081 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:26,081 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:26,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:26,119 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:26,119 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:26,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:26,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:25:26,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:26,757 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:26,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57083630] [2022-11-03 02:25:26,758 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:25:26,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744259252] [2022-11-03 02:25:26,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744259252] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:25:26,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1075672747] [2022-11-03 02:25:26,760 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 02:25:26,760 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:25:26,760 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:25:26,760 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:25:26,761 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:25:26,863 INFO L356 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-03 02:25:26,864 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:26,991 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 02:25:26,992 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:27,011 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:27,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:27,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,057 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:27,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:27,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:27,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,303 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 02:25:27,304 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:27,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,427 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:27,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:27,465 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:27,465 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:27,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:27,527 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:27,528 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:27,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:27,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:27,570 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:27,571 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:27,644 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:25:28,283 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1155#(and (= |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_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) (= (ite (= (+ |ULTIMATE.start_main_~i~0#1| (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) 1) |ULTIMATE.start_main_#t~mem13#1|) 1 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 [2022-11-03 02:25:28,283 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:25:28,283 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:25:28,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2022-11-03 02:25:28,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341343198] [2022-11-03 02:25:28,287 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 02:25:28,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 02:25:28,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:28,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 02:25:28,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2022-11-03 02:25:28,289 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. Second operand has 14 states, 14 states have (on average 1.5) internal successors, (21), 14 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) [2022-11-03 02:25:28,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:28,803 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2022-11-03 02:25:28,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:25:28,803 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.5) internal successors, (21), 14 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 12 [2022-11-03 02:25:28,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:28,804 INFO L225 Difference]: With dead ends: 33 [2022-11-03 02:25:28,804 INFO L226 Difference]: Without dead ends: 31 [2022-11-03 02:25:28,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 14 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=115, Invalid=485, Unknown=0, NotChecked=0, Total=600 [2022-11-03 02:25:28,805 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 51 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:28,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 33 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 79 Invalid, 0 Unknown, 19 Unchecked, 0.2s Time] [2022-11-03 02:25:28,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-03 02:25:28,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 22. [2022-11-03 02:25:28,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 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) [2022-11-03 02:25:28,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2022-11-03 02:25:28,817 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 12 [2022-11-03 02:25:28,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:28,817 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-03 02:25:28,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.5) internal successors, (21), 14 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) [2022-11-03 02:25:28,820 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-11-03 02:25:28,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-03 02:25:28,822 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:28,822 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:25:28,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-03 02:25:29,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:29,050 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:25:29,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:29,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1915831248, now seen corresponding path program 5 times [2022-11-03 02:25:29,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:29,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552355472] [2022-11-03 02:25:29,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:29,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:29,112 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:25:29,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [509566223] [2022-11-03 02:25:29,114 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:25:29,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:29,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:25:29,119 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:25:29,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-03 02:25:29,339 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-03 02:25:29,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:25:29,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 02:25:29,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:25:29,401 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:29,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:25:29,474 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:29,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:29,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552355472] [2022-11-03 02:25:29,475 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:25:29,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509566223] [2022-11-03 02:25:29,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509566223] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:25:29,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1793213084] [2022-11-03 02:25:29,484 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 02:25:29,484 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:25:29,485 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:25:29,485 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:25:29,485 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:25:29,620 INFO L356 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-03 02:25:29,620 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:29,743 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 02:25:29,744 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:29,765 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:29,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:29,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:29,812 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:29,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:29,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:29,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:29,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:29,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:29,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:29,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:29,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:29,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:29,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:29,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:29,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:29,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:29,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:29,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:30,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:30,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:30,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:30,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:30,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:30,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:30,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:30,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:30,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:30,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:30,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:30,082 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 02:25:30,082 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:30,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:30,200 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:30,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:30,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:30,239 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:30,240 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:30,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:30,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:30,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:30,283 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:30,283 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:30,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:30,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:30,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:30,330 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:30,331 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:30,346 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:25:30,775 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1344#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (<= ~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) (= (ite (= (+ |ULTIMATE.start_main_~i~0#1| (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) 1) |ULTIMATE.start_main_#t~mem13#1|) 1 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 [2022-11-03 02:25:30,775 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:25:30,775 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:25:30,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2022-11-03 02:25:30,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342360746] [2022-11-03 02:25:30,776 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 02:25:30,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 02:25:30,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:30,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 02:25:30,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:25:30,777 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. Second operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 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) [2022-11-03 02:25:31,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:31,141 INFO L93 Difference]: Finished difference Result 78 states and 90 transitions. [2022-11-03 02:25:31,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-03 02:25:31,142 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 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 13 [2022-11-03 02:25:31,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:31,143 INFO L225 Difference]: With dead ends: 78 [2022-11-03 02:25:31,143 INFO L226 Difference]: Without dead ends: 58 [2022-11-03 02:25:31,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 13 SyntacticMatches, 7 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=211, Invalid=719, Unknown=0, NotChecked=0, Total=930 [2022-11-03 02:25:31,144 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 84 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:31,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 46 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:25:31,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-03 02:25:31,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 34. [2022-11-03 02:25:31,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 33 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) [2022-11-03 02:25:31,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2022-11-03 02:25:31,154 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 13 [2022-11-03 02:25:31,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:31,154 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-11-03 02:25:31,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 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) [2022-11-03 02:25:31,155 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2022-11-03 02:25:31,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 02:25:31,155 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:31,156 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:25:31,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-03 02:25:31,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-03 02:25:31,370 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:25:31,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:31,371 INFO L85 PathProgramCache]: Analyzing trace with hash -385990150, now seen corresponding path program 2 times [2022-11-03 02:25:31,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:31,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023738671] [2022-11-03 02:25:31,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:31,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:31,406 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:25:31,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1524693692] [2022-11-03 02:25:31,409 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:25:31,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:31,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:25:31,410 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:25:31,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-03 02:25:31,693 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-03 02:25:31,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:25:31,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-03 02:25:31,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:25:31,707 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:31,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:31,715 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:31,722 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:31,726 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:31,731 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:31,782 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:25:31,783 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:31,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:31,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:31,803 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:31,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:31,856 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:31,857 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:31,917 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:25:31,918 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:31,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:31,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:31,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:31,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:31,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:31,929 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:31,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:31,986 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 130 treesize of output 61 [2022-11-03 02:25:32,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:32,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:32,028 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:32,028 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:32,173 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:25:32,174 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:32,189 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:32,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:25:34,886 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:34,886 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:34,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023738671] [2022-11-03 02:25:34,886 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:25:34,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524693692] [2022-11-03 02:25:34,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524693692] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:25:34,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [609251106] [2022-11-03 02:25:34,889 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 02:25:34,889 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:25:34,889 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:25:34,890 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:25:34,890 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:25:35,043 INFO L356 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-03 02:25:35,044 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:35,145 INFO L356 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-03 02:25:35,146 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:35,312 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 02:25:35,312 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:35,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,364 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:35,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:35,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:35,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,676 INFO L356 Elim1Store]: treesize reduction 246, result has 10.5 percent of original size [2022-11-03 02:25:35,677 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:35,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,799 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:35,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,823 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:35,823 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:35,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:35,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:35,949 INFO L356 Elim1Store]: treesize reduction 248, result has 12.1 percent of original size [2022-11-03 02:25:35,950 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:36,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:36,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:36,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:36,013 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:36,014 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:36,110 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:25:36,689 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1639#(and (= |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_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) (= (ite (= (+ |ULTIMATE.start_main_~i~0#1| (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) 1) |ULTIMATE.start_main_#t~mem13#1|) 1 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 [2022-11-03 02:25:36,690 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:25:36,690 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:25:36,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2022-11-03 02:25:36,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106323211] [2022-11-03 02:25:36,690 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 02:25:36,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-03 02:25:36,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:36,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-03 02:25:36,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=472, Unknown=0, NotChecked=0, Total=552 [2022-11-03 02:25:36,692 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand has 18 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) [2022-11-03 02:25:36,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:36,992 INFO L93 Difference]: Finished difference Result 45 states and 53 transitions. [2022-11-03 02:25:36,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 02:25:36,993 INFO L78 Accepts]: Start accepts. Automaton has has 18 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) Word has length 14 [2022-11-03 02:25:36,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:36,995 INFO L225 Difference]: With dead ends: 45 [2022-11-03 02:25:36,997 INFO L226 Difference]: Without dead ends: 43 [2022-11-03 02:25:36,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=104, Invalid=598, Unknown=0, NotChecked=0, Total=702 [2022-11-03 02:25:36,999 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:36,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 21 Unchecked, 0.1s Time] [2022-11-03 02:25:37,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-03 02:25:37,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2022-11-03 02:25:37,016 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) [2022-11-03 02:25:37,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2022-11-03 02:25:37,021 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 47 transitions. Word has length 14 [2022-11-03 02:25:37,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:37,021 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 47 transitions. [2022-11-03 02:25:37,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 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) [2022-11-03 02:25:37,022 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2022-11-03 02:25:37,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 02:25:37,023 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:37,023 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:25:37,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-03 02:25:37,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-03 02:25:37,229 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:25:37,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:37,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1968965520, now seen corresponding path program 6 times [2022-11-03 02:25:37,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:37,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99803856] [2022-11-03 02:25:37,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:37,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:37,258 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:25:37,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [141038957] [2022-11-03 02:25:37,258 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 02:25:37,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:37,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:25:37,260 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:25:37,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-03 02:25:38,673 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 02:25:38,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:25:38,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-03 02:25:38,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:25:38,711 INFO L356 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-11-03 02:25:38,711 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:38,720 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:38,728 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:38,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:38,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:38,762 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:38,766 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:38,788 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:38,810 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:38,833 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:38,864 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:38,885 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:38,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:38,932 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:38,963 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:38,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:38,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:38,970 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:38,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:38,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:38,989 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:39,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:39,019 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:39,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:39,065 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:39,110 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:39,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:25:39,910 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_458 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_ArrVal_458) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) is different from false [2022-11-03 02:25:39,927 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 4 not checked. [2022-11-03 02:25:39,928 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:39,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99803856] [2022-11-03 02:25:39,928 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:25:39,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141038957] [2022-11-03 02:25:39,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141038957] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:25:39,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1037984333] [2022-11-03 02:25:39,930 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 02:25:39,930 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:25:39,931 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:25:39,931 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:25:39,931 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:25:40,016 INFO L356 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-03 02:25:40,017 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:40,130 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 02:25:40,130 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:40,161 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:40,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,202 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:40,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:40,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:40,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,495 INFO L356 Elim1Store]: treesize reduction 246, result has 10.5 percent of original size [2022-11-03 02:25:40,495 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:40,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,687 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:40,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:40,708 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:40,709 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:40,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:40,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:40,790 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 02:25:40,790 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:40,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:40,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:40,846 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:40,846 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:40,864 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:25:41,198 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1889#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (<= ~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) (= (ite (= (+ |ULTIMATE.start_main_~i~0#1| (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) 1) |ULTIMATE.start_main_#t~mem13#1|) 1 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 [2022-11-03 02:25:41,198 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:25:41,198 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:25:41,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 20 [2022-11-03 02:25:41,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823355954] [2022-11-03 02:25:41,198 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 02:25:41,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-03 02:25:41,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:41,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-03 02:25:41,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=441, Unknown=1, NotChecked=44, Total=600 [2022-11-03 02:25:41,200 INFO L87 Difference]: Start difference. First operand 39 states and 47 transitions. Second operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 20 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) [2022-11-03 02:25:41,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:41,860 INFO L93 Difference]: Finished difference Result 79 states and 92 transitions. [2022-11-03 02:25:41,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-03 02:25:41,861 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.25) internal successors, (25), 20 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) Word has length 15 [2022-11-03 02:25:41,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:41,862 INFO L225 Difference]: With dead ends: 79 [2022-11-03 02:25:41,862 INFO L226 Difference]: Without dead ends: 77 [2022-11-03 02:25:41,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 19 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=187, Invalid=808, Unknown=1, NotChecked=60, Total=1056 [2022-11-03 02:25:41,864 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 43 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 94 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:41,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 87 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 170 Invalid, 0 Unknown, 94 Unchecked, 0.4s Time] [2022-11-03 02:25:41,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-03 02:25:41,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 43. [2022-11-03 02:25:41,879 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) [2022-11-03 02:25:41,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 55 transitions. [2022-11-03 02:25:41,880 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 55 transitions. Word has length 15 [2022-11-03 02:25:41,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:41,880 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 55 transitions. [2022-11-03 02:25:41,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.25) internal successors, (25), 20 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) [2022-11-03 02:25:41,881 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-03 02:25:41,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-03 02:25:41,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:41,882 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:25:41,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-03 02:25:42,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:42,089 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:25:42,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:42,090 INFO L85 PathProgramCache]: Analyzing trace with hash 226857964, now seen corresponding path program 3 times [2022-11-03 02:25:42,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:42,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072742493] [2022-11-03 02:25:42,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:42,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:42,122 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:25:42,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2121756694] [2022-11-03 02:25:42,134 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 02:25:42,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:25:42,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:25:42,136 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:25:42,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-03 02:25:42,685 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 02:25:42,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:25:42,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 56 conjunts are in the unsatisfiable core [2022-11-03 02:25:42,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:25:42,700 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:42,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:42,708 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:42,712 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:42,715 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:42,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:42,780 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:25:42,781 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:42,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:42,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:42,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:42,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:42,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:42,792 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:42,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:42,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:42,872 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:42,873 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:42,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:42,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:42,910 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:42,911 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:43,004 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:25:43,005 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 154 treesize of output 140 [2022-11-03 02:25:43,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:43,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:43,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:43,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:43,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:43,015 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:43,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:43,083 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 130 treesize of output 61 [2022-11-03 02:25:43,160 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:25:43,160 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 114 treesize of output 104 [2022-11-03 02:25:43,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:43,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:43,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:43,170 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:43,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:43,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:43,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:43,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:43,270 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 02:25:43,270 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 50 treesize of output 54 [2022-11-03 02:25:43,455 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:43,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:25:58,088 WARN L234 SmtUtils]: Spent 8.27s on a formula simplification. DAG size of input: 132 DAG size of output: 121 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:25:58,102 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:25:58,102 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:58,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072742493] [2022-11-03 02:25:58,103 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:25:58,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121756694] [2022-11-03 02:25:58,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121756694] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:25:58,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2010547825] [2022-11-03 02:25:58,105 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 02:25:58,105 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:25:58,105 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:25:58,106 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:25:58,106 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:25:58,261 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 02:25:58,261 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:58,278 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:58,298 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:58,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:58,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,341 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:58,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:58,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:58,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,561 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 02:25:58,562 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:58,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,681 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:58,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:58,720 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:58,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:58,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:58,767 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:58,768 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:58,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:58,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:58,806 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:25:58,807 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:25:58,875 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:26:01,935 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2214#(and (= |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_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) (= (ite (= (+ |ULTIMATE.start_main_~i~0#1| (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) 1) |ULTIMATE.start_main_#t~mem13#1|) 1 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 [2022-11-03 02:26:01,935 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:26:01,936 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:26:01,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2022-11-03 02:26:01,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212552538] [2022-11-03 02:26:01,936 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 02:26:01,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-03 02:26:01,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:01,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-03 02:26:01,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=701, Unknown=0, NotChecked=0, Total=812 [2022-11-03 02:26:01,938 INFO L87 Difference]: Start difference. First operand 43 states and 55 transitions. Second operand has 23 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 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) [2022-11-03 02:26:03,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:03,250 INFO L93 Difference]: Finished difference Result 65 states and 82 transitions. [2022-11-03 02:26:03,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-03 02:26:03,251 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 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 [2022-11-03 02:26:03,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:03,253 INFO L225 Difference]: With dead ends: 65 [2022-11-03 02:26:03,253 INFO L226 Difference]: Without dead ends: 63 [2022-11-03 02:26:03,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 14 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 18.2s TimeCoverageRelationStatistics Valid=153, Invalid=903, Unknown=0, NotChecked=0, Total=1056 [2022-11-03 02:26:03,256 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 63 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:03,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 63 Unchecked, 0.1s Time] [2022-11-03 02:26:03,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-03 02:26:03,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 52. [2022-11-03 02:26:03,280 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) [2022-11-03 02:26:03,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 68 transitions. [2022-11-03 02:26:03,281 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 68 transitions. Word has length 16 [2022-11-03 02:26:03,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:03,281 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 68 transitions. [2022-11-03 02:26:03,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 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) [2022-11-03 02:26:03,282 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2022-11-03 02:26:03,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:26:03,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:03,283 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:03,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-03 02:26:03,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-03 02:26:03,486 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:26:03,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:03,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1399993040, now seen corresponding path program 4 times [2022-11-03 02:26:03,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:03,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017270828] [2022-11-03 02:26:03,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:03,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:03,521 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:26:03,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2002671910] [2022-11-03 02:26:03,522 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-03 02:26:03,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:26:03,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:26:03,523 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:26:03,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-03 02:26:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:03,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-03 02:26:03,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:26:03,851 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:03,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:03,858 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:03,863 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:03,866 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:03,872 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:03,936 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:26:03,936 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:03,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:26:03,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:03,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:03,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:03,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:03,951 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:04,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:04,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:04,028 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:26:04,028 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:04,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:04,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:04,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:26:04,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:04,111 INFO L356 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2022-11-03 02:26:04,111 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:04,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:04,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:04,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:26:04,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:26:04,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:04,170 INFO L356 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2022-11-03 02:26:04,170 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 73 treesize of output 66 [2022-11-03 02:26:04,522 INFO L356 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2022-11-03 02:26:04,523 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 90 treesize of output 46 [2022-11-03 02:26:04,542 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:04,542 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:26:31,538 WARN L234 SmtUtils]: Spent 15.45s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:26:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:26:31,547 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:31,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017270828] [2022-11-03 02:26:31,547 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:26:31,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002671910] [2022-11-03 02:26:31,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002671910] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:26:31,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1073145479] [2022-11-03 02:26:31,550 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 02:26:31,550 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:26:31,550 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:26:31,550 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:26:31,551 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:26:31,671 INFO L356 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-03 02:26:31,671 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:31,793 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 02:26:31,795 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:31,817 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:31,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:31,872 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:31,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:31,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:26:32,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:26:32,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,206 INFO L356 Elim1Store]: treesize reduction 241, result has 12.4 percent of original size [2022-11-03 02:26:32,206 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 532 [2022-11-03 02:26:32,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,409 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:32,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:26:32,437 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:26:32,437 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:32,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:26:32,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:26:32,541 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 02:26:32,541 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:32,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:32,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:26:32,601 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:26:32,601 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:26:32,679 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:26:34,553 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2537#(and (= |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_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) (= (ite (= (+ |ULTIMATE.start_main_~i~0#1| (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) 1) |ULTIMATE.start_main_#t~mem13#1|) 1 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 [2022-11-03 02:26:34,554 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:26:34,554 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:26:34,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2022-11-03 02:26:34,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007360478] [2022-11-03 02:26:34,554 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 02:26:34,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-03 02:26:34,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:34,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-03 02:26:34,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=608, Unknown=0, NotChecked=0, Total=702 [2022-11-03 02:26:34,556 INFO L87 Difference]: Start difference. First operand 52 states and 68 transitions. Second operand has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 21 states have internal predecessors, (31), 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) [2022-11-03 02:26:48,301 WARN L234 SmtUtils]: Spent 6.33s on a formula simplification. DAG size of input: 202 DAG size of output: 73 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:26:49,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:27:02,642 WARN L234 SmtUtils]: Spent 7.50s on a formula simplification. DAG size of input: 233 DAG size of output: 82 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:27:13,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:13,048 INFO L93 Difference]: Finished difference Result 89 states and 108 transitions. [2022-11-03 02:27:13,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-03 02:27:13,049 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 21 states have internal predecessors, (31), 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 [2022-11-03 02:27:13,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:13,050 INFO L225 Difference]: With dead ends: 89 [2022-11-03 02:27:13,050 INFO L226 Difference]: Without dead ends: 76 [2022-11-03 02:27:13,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 58.2s TimeCoverageRelationStatistics Valid=233, Invalid=1247, Unknown=2, NotChecked=0, Total=1482 [2022-11-03 02:27:13,051 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 43 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 16 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:13,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 40 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 193 Invalid, 0 Unknown, 16 Unchecked, 6.0s Time] [2022-11-03 02:27:13,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-03 02:27:13,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 62. [2022-11-03 02:27:13,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.2950819672131149) internal successors, (79), 61 states have internal predecessors, (79), 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) [2022-11-03 02:27:13,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 79 transitions. [2022-11-03 02:27:13,076 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 79 transitions. Word has length 17 [2022-11-03 02:27:13,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:13,077 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 79 transitions. [2022-11-03 02:27:13,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 21 states have internal predecessors, (31), 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) [2022-11-03 02:27:13,077 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2022-11-03 02:27:13,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-03 02:27:13,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:13,078 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:13,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-03 02:27:13,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-03 02:27:13,286 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:27:13,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:13,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1078330630, now seen corresponding path program 5 times [2022-11-03 02:27:13,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:13,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632264856] [2022-11-03 02:27:13,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:13,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:13,313 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:27:13,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [108086340] [2022-11-03 02:27:13,313 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:27:13,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:27:13,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:27:13,315 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:27:13,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-03 02:27:15,017 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-03 02:27:15,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:27:15,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 75 conjunts are in the unsatisfiable core [2022-11-03 02:27:15,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:27:15,048 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:27:15,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:15,059 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:27:15,065 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:27:15,069 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 18 [2022-11-03 02:27:15,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:15,126 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:27:15,126 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:27:15,199 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:27:15,200 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:27:15,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:15,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:15,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:15,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:15,211 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:27:15,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:15,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:15,281 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:27:15,282 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:27:15,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:15,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:15,346 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:27:15,346 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:27:15,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:27:15,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:15,473 INFO L356 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2022-11-03 02:27:15,473 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 45 treesize of output 42 [2022-11-03 02:27:15,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:15,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:15,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:27:15,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:15,534 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 02:27:15,535 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 50 treesize of output 54 [2022-11-03 02:27:15,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:15,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:15,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:27:15,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:15,597 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 02:27:15,598 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 44 treesize of output 52 [2022-11-03 02:27:15,675 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:27:15,676 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 88 treesize of output 80 [2022-11-03 02:27:15,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:15,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:15,707 INFO L356 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2022-11-03 02:27:15,708 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 121 [2022-11-03 02:27:15,720 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 72 treesize of output 14 [2022-11-03 02:27:19,931 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:27:19,931 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 113 treesize of output 101 [2022-11-03 02:27:19,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:19,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:27:19,940 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 31 treesize of output 23 [2022-11-03 02:27:19,960 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:27:19,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:27:29,675 WARN L234 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:27:50,650 WARN L234 SmtUtils]: Spent 15.53s on a formula simplification. DAG size of input: 67 DAG size of output: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:28:15,558 WARN L234 SmtUtils]: Spent 16.25s on a formula simplification. DAG size of input: 74 DAG size of output: 55 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:29:44,320 WARN L234 SmtUtils]: Spent 1.27m on a formula simplification. DAG size of input: 134 DAG size of output: 97 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:30:24,167 WARN L234 SmtUtils]: Spent 15.85s on a formula simplification. DAG size of input: 168 DAG size of output: 151 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:32:34,433 WARN L234 SmtUtils]: Spent 1.82m on a formula simplification. DAG size of input: 251 DAG size of output: 248 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:32:34,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:32:34,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:32:34,510 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-03 02:32:34,511 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 429 treesize of output 1 [2022-11-03 02:32:34,515 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 21 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:32:34,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:32:34,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632264856] [2022-11-03 02:32:34,516 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:32:34,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108086340] [2022-11-03 02:32:34,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108086340] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:32:34,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1407615551] [2022-11-03 02:32:34,518 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 02:32:34,518 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:32:34,519 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:32:34,519 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:32:34,519 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:32:34,642 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 02:32:34,643 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:32:34,661 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:32:34,679 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:32:34,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:34,724 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:32:34,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:34,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:34,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:34,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:34,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:34,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:34,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:34,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:34,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:34,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:34,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:32:34,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:32:34,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:34,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:34,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:34,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:34,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:34,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:34,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:34,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:34,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:34,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:34,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:34,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:35,025 INFO L356 Elim1Store]: treesize reduction 241, result has 12.4 percent of original size [2022-11-03 02:32:35,025 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:32:35,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:35,171 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:32:35,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:35,190 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:32:35,190 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:32:35,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:35,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:35,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:35,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:35,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:35,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:32:35,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:32:35,328 INFO L356 Elim1Store]: treesize reduction 253, result has 10.3 percent of original size [2022-11-03 02:32:35,328 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:32:35,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:35,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:32:35,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:32:35,398 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:32:35,398 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:32:35,460 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:32:47,532 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2940#(and (= |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_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) (= (ite (= (+ |ULTIMATE.start_main_~i~0#1| (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) 1) |ULTIMATE.start_main_#t~mem13#1|) 1 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 [2022-11-03 02:32:47,532 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:32:47,533 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:32:47,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2022-11-03 02:32:47,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963954938] [2022-11-03 02:32:47,533 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 02:32:47,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-03 02:32:47,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:32:47,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-03 02:32:47,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=918, Unknown=29, NotChecked=0, Total=1122 [2022-11-03 02:32:47,534 INFO L87 Difference]: Start difference. First operand 62 states and 79 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) [2022-11-03 02:33:04,493 WARN L234 SmtUtils]: Spent 11.84s on a formula simplification. DAG size of input: 270 DAG size of output: 122 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:33:45,595 WARN L234 SmtUtils]: Spent 18.12s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:34:05,822 WARN L234 SmtUtils]: Spent 11.79s on a formula simplification that was a NOOP. DAG size: 174 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:34:54,571 WARN L234 SmtUtils]: Spent 17.06s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:35:07,423 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse6 (not (< 1 c_~N~0))) (.cse1 (+ (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse3 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or (let ((.cse2 (+ (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (forall ((v_ArrVal_661 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_659 Int) (v_ArrVal_657 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse4 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= 3 (select (store (store (store .cse0 .cse1 v_ArrVal_657) .cse2 v_ArrVal_659) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_661) .cse3)) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse4)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse4 1) c_~N~0)))) (forall ((v_ArrVal_661 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_659 Int) (v_ArrVal_657 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse5 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (store .cse0 .cse1 v_ArrVal_657) .cse2 v_ArrVal_659) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_661) .cse3) 3) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse5)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse5 1) c_~N~0)))))) .cse6) (exists ((v_DerPreprocessor_19 Int)) (let ((.cse7 (let ((.cse9 (* 8 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)))) (let ((.cse8 (+ .cse9 |c_ULTIMATE.start_main_~b~0#1.offset|))) (store (store .cse0 .cse8 v_DerPreprocessor_19) (+ (- 34359738368) .cse9 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse0 .cse8)))))) (and (= 3 (select .cse7 .cse3)) (= (select .cse7 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)))) (< 4 c_~N~0) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= (select .cse0 |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (or .cse6 (and (forall ((v_ArrVal_661 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_659 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse10 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse0 .cse1 v_ArrVal_659) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_661) .cse3) 3) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse10)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse10 1) c_~N~0)))) (forall ((v_ArrVal_661 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_659 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse11 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= 3 (select (store (store .cse0 .cse1 v_ArrVal_659) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_661) .cse3)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse11)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse11 1) c_~N~0)))))) (< |c_ULTIMATE.start_main_~i~0#1| (+ c_~N~0 1)) (exists ((|ULTIMATE.start_main_~a~0#1.base| Int)) (let ((.cse12 (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|))) (and (= 2 (select .cse12 0)) (= (select .cse12 8) 4)))) (<= c_~N~0 5) (= 3 (select .cse0 .cse3)))) is different from false [2022-11-03 02:35:08,771 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse1 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (exists ((v_DerPreprocessor_19 Int)) (let ((.cse0 (let ((.cse4 (* 8 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)))) (let ((.cse3 (+ .cse4 |c_ULTIMATE.start_main_~b~0#1.offset|))) (store (store .cse2 .cse3 v_DerPreprocessor_19) (+ (- 34359738368) .cse4 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse2 .cse3)))))) (and (= 3 (select .cse0 .cse1)) (= (select .cse0 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)))) (< 4 c_~N~0) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (or (not (< 1 c_~N~0)) (let ((.cse5 (+ (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (forall ((v_ArrVal_661 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_659 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse6 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store .cse2 .cse5 v_ArrVal_659) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_661) .cse1) 3) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse6)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse6 1) c_~N~0)))) (forall ((v_ArrVal_661 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_659 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse7 (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296))) (or (= 3 (select (store (store .cse2 .cse5 v_ArrVal_659) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_661) .cse1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse7)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (< (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| .cse7 1) c_~N~0))))))) (< |c_ULTIMATE.start_main_~i~0#1| (+ c_~N~0 1)) (exists ((|ULTIMATE.start_main_~a~0#1.base| Int)) (let ((.cse8 (select |c_#memory_int| |ULTIMATE.start_main_~a~0#1.base|))) (and (= 2 (select .cse8 0)) (= (select .cse8 8) 4)))) (<= c_~N~0 5))) is different from false [2022-11-03 02:35:10,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:35:10,259 INFO L93 Difference]: Finished difference Result 93 states and 119 transitions. [2022-11-03 02:35:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-03 02:35:10,259 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 [2022-11-03 02:35:10,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:35:10,260 INFO L225 Difference]: With dead ends: 93 [2022-11-03 02:35:10,260 INFO L226 Difference]: Without dead ends: 91 [2022-11-03 02:35:10,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 463.5s TimeCoverageRelationStatistics Valid=276, Invalid=1388, Unknown=66, NotChecked=162, Total=1892 [2022-11-03 02:35:10,261 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 91 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:35:10,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 91 Unchecked, 0.2s Time] [2022-11-03 02:35:10,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-03 02:35:10,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 63. [2022-11-03 02:35:10,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.3709677419354838) internal successors, (85), 62 states have internal predecessors, (85), 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) [2022-11-03 02:35:10,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 85 transitions. [2022-11-03 02:35:10,285 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 85 transitions. Word has length 18 [2022-11-03 02:35:10,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:35:10,286 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 85 transitions. [2022-11-03 02:35:10,286 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) [2022-11-03 02:35:10,286 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2022-11-03 02:35:10,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-03 02:35:10,287 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:35:10,287 INFO L195 NwaCegarLoop]: trace histogram [8, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:35:10,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-03 02:35:10,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-03 02:35:10,488 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:35:10,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:35:10,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1564621520, now seen corresponding path program 7 times [2022-11-03 02:35:10,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:35:10,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421565352] [2022-11-03 02:35:10,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:35:10,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:35:10,523 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:35:10,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1149742039] [2022-11-03 02:35:10,524 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-03 02:35:10,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:35:10,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:35:10,525 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:35:10,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-03 02:35:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:35:10,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 02:35:10,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:35:10,790 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 02:35:10,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:35:10,893 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 02:35:10,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:35:10,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421565352] [2022-11-03 02:35:10,893 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:35:10,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149742039] [2022-11-03 02:35:10,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149742039] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:35:10,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1152757560] [2022-11-03 02:35:10,895 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 02:35:10,895 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:35:10,895 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:35:10,895 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:35:10,896 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:35:11,040 INFO L356 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-03 02:35:11,041 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:11,189 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 02:35:11,189 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:11,209 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:11,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,258 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:11,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:35:11,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:35:11,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,524 INFO L356 Elim1Store]: treesize reduction 246, result has 10.5 percent of original size [2022-11-03 02:35:11,525 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 529 [2022-11-03 02:35:11,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,685 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:11,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,704 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:35:11,704 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:11,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:35:11,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:35:11,849 INFO L356 Elim1Store]: treesize reduction 248, result has 12.1 percent of original size [2022-11-03 02:35:11,850 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:11,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:11,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:35:11,903 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:35:11,904 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:11,920 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:35:12,269 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3349#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (<= ~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) (= (ite (= (+ |ULTIMATE.start_main_~i~0#1| (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) 1) |ULTIMATE.start_main_#t~mem13#1|) 1 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 [2022-11-03 02:35:12,269 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:35:12,269 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:35:12,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2022-11-03 02:35:12,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941091501] [2022-11-03 02:35:12,270 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 02:35:12,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-03 02:35:12,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:35:12,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-03 02:35:12,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=358, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:35:12,271 INFO L87 Difference]: Start difference. First operand 63 states and 85 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) [2022-11-03 02:35:12,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:35:12,851 INFO L93 Difference]: Finished difference Result 143 states and 165 transitions. [2022-11-03 02:35:12,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-03 02:35:12,853 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 [2022-11-03 02:35:12,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:35:12,853 INFO L225 Difference]: With dead ends: 143 [2022-11-03 02:35:12,853 INFO L226 Difference]: Without dead ends: 127 [2022-11-03 02:35:12,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 30 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=298, Invalid=1184, Unknown=0, NotChecked=0, Total=1482 [2022-11-03 02:35:12,855 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 121 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:35:12,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 66 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:35:12,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-11-03 02:35:12,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 72. [2022-11-03 02:35:12,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.295774647887324) internal successors, (92), 71 states have internal predecessors, (92), 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) [2022-11-03 02:35:12,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2022-11-03 02:35:12,892 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 19 [2022-11-03 02:35:12,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:35:12,893 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2022-11-03 02:35:12,893 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) [2022-11-03 02:35:12,893 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2022-11-03 02:35:12,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 02:35:12,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:35:12,894 INFO L195 NwaCegarLoop]: trace histogram [8, 5, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:35:12,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-11-03 02:35:13,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-03 02:35:13,111 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:35:13,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:35:13,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1445055253, now seen corresponding path program 8 times [2022-11-03 02:35:13,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:35:13,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941281587] [2022-11-03 02:35:13,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:35:13,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:35:13,136 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:35:13,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1392834949] [2022-11-03 02:35:13,137 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:35:13,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:35:13,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:35:13,138 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:35:13,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-03 02:35:15,771 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-03 02:35:15,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:35:15,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-03 02:35:15,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:35:15,932 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:35:15,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:35:16,123 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:35:16,123 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:35:16,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941281587] [2022-11-03 02:35:16,123 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:35:16,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392834949] [2022-11-03 02:35:16,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392834949] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:35:16,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [418834254] [2022-11-03 02:35:16,125 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 02:35:16,125 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:35:16,125 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:35:16,125 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:35:16,125 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:35:16,241 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 02:35:16,241 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:16,256 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:16,281 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:16,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:35:16,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,327 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:16,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:35:16,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:35:16,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,546 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 02:35:16,547 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:16,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,652 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:16,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:35:16,686 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:35:16,686 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:16,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:35:16,741 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:35:16,741 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:16,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:16,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:35:16,784 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:35:16,785 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:16,801 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:35:17,494 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3856#(and (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= |ULTIMATE.start_main_~i~0#1| 0) (<= ~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) (= (ite (= (+ |ULTIMATE.start_main_~i~0#1| (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) 1) |ULTIMATE.start_main_#t~mem13#1|) 1 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 [2022-11-03 02:35:17,494 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:35:17,494 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:35:17,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 26 [2022-11-03 02:35:17,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036835703] [2022-11-03 02:35:17,494 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 02:35:17,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-03 02:35:17,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:35:17,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-03 02:35:17,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=711, Unknown=0, NotChecked=0, Total=930 [2022-11-03 02:35:17,496 INFO L87 Difference]: Start difference. First operand 72 states and 92 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) [2022-11-03 02:35:19,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:35:19,125 INFO L93 Difference]: Finished difference Result 260 states and 294 transitions. [2022-11-03 02:35:19,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-11-03 02:35:19,126 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 [2022-11-03 02:35:19,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:35:19,127 INFO L225 Difference]: With dead ends: 260 [2022-11-03 02:35:19,128 INFO L226 Difference]: Without dead ends: 244 [2022-11-03 02:35:19,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 16 SyntacticMatches, 13 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1826 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1102, Invalid=4300, Unknown=0, NotChecked=0, Total=5402 [2022-11-03 02:35:19,130 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 453 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 422 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 422 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:35:19,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 118 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [422 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 02:35:19,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-11-03 02:35:19,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 108. [2022-11-03 02:35:19,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.3364485981308412) internal successors, (143), 107 states have internal predecessors, (143), 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) [2022-11-03 02:35:19,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 143 transitions. [2022-11-03 02:35:19,176 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 143 transitions. Word has length 20 [2022-11-03 02:35:19,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:35:19,176 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 143 transitions. [2022-11-03 02:35:19,176 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) [2022-11-03 02:35:19,176 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 143 transitions. [2022-11-03 02:35:19,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 02:35:19,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:35:19,177 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:35:19,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-03 02:35:19,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-03 02:35:19,378 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:35:19,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:35:19,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1802518636, now seen corresponding path program 6 times [2022-11-03 02:35:19,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:35:19,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833012154] [2022-11-03 02:35:19,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:35:19,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:35:19,399 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:35:19,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1929549321] [2022-11-03 02:35:19,399 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 02:35:19,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:35:19,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:35:19,401 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:35:19,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-03 02:35:21,865 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 02:35:21,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:35:21,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 68 conjunts are in the unsatisfiable core [2022-11-03 02:35:21,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:35:21,904 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-03 02:35:21,904 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:21,908 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:21,935 INFO L356 Elim1Store]: treesize reduction 32, result has 36.0 percent of original size [2022-11-03 02:35:21,935 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:21,957 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:21,983 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:22,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:35:22,014 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:22,052 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:22,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:35:22,057 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:22,091 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:22,097 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:22,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,151 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:35:22,152 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 43 treesize of output 45 [2022-11-03 02:35:22,163 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 28 treesize of output 24 [2022-11-03 02:35:22,213 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:35:22,213 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:22,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,221 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:22,227 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:35:22,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,286 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:35:22,286 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:22,334 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:35:22,335 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:22,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,344 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:22,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,366 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:22,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,398 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:35:22,398 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:22,474 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:35:22,475 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:22,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:35:22,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,484 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:22,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,597 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:35:22,597 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:22,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,651 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:35:22,651 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:22,731 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:35:22,731 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 91 treesize of output 81 [2022-11-03 02:35:22,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,745 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 72 treesize of output 139 [2022-11-03 02:35:22,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:22,845 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:35:22,845 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:23,058 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 02:35:23,058 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:35:23,086 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:35:23,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:36:03,594 WARN L234 SmtUtils]: Spent 8.78s on a formula simplification. DAG size of input: 120 DAG size of output: 107 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:37:10,360 WARN L234 SmtUtils]: Spent 36.94s on a formula simplification. DAG size of input: 146 DAG size of output: 132 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:37:10,382 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 4 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:37:10,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:37:10,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833012154] [2022-11-03 02:37:10,382 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:37:10,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929549321] [2022-11-03 02:37:10,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929549321] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:37:10,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1307159871] [2022-11-03 02:37:10,384 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 02:37:10,384 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:37:10,384 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:37:10,384 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:37:10,384 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:37:10,526 INFO L356 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-03 02:37:10,526 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:10,667 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 02:37:10,667 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:10,686 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:10,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:37:10,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,722 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:10,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:37:10,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:37:10,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:10,955 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 02:37:10,955 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:11,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:11,046 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:11,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:11,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:11,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:37:11,084 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:37:11,084 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:11,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:11,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:11,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:11,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:11,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:37:11,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:11,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:11,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:37:11,192 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 02:37:11,193 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:11,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:11,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:11,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:37:11,244 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:37:11,244 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:11,313 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:37:18,089 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4642#(and (= |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_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) (= (ite (= (+ |ULTIMATE.start_main_~i~0#1| (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) 1) |ULTIMATE.start_main_#t~mem13#1|) 1 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 [2022-11-03 02:37:18,089 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:37:18,089 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:37:18,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2022-11-03 02:37:18,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079660668] [2022-11-03 02:37:18,089 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 02:37:18,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-03 02:37:18,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:37:18,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-03 02:37:18,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=1140, Unknown=13, NotChecked=0, Total=1332 [2022-11-03 02:37:18,091 INFO L87 Difference]: Start difference. First operand 108 states and 143 transitions. Second operand has 31 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 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) [2022-11-03 02:37:28,249 WARN L234 SmtUtils]: Spent 6.29s on a formula simplification. DAG size of input: 161 DAG size of output: 55 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:37:29,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:37:29,963 INFO L93 Difference]: Finished difference Result 165 states and 208 transitions. [2022-11-03 02:37:29,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-03 02:37:29,963 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 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 [2022-11-03 02:37:29,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:37:29,964 INFO L225 Difference]: With dead ends: 165 [2022-11-03 02:37:29,964 INFO L226 Difference]: Without dead ends: 163 [2022-11-03 02:37:29,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 417 ImplicationChecksByTransitivity, 124.0s TimeCoverageRelationStatistics Valid=234, Invalid=1392, Unknown=14, NotChecked=0, Total=1640 [2022-11-03 02:37:29,966 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 74 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:37:29,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 51 Invalid, 0 Unknown, 74 Unchecked, 0.2s Time] [2022-11-03 02:37:29,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-11-03 02:37:30,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 113. [2022-11-03 02:37:30,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 112 states have (on average 1.3392857142857142) internal successors, (150), 112 states have internal predecessors, (150), 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) [2022-11-03 02:37:30,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 150 transitions. [2022-11-03 02:37:30,025 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 150 transitions. Word has length 20 [2022-11-03 02:37:30,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:37:30,025 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 150 transitions. [2022-11-03 02:37:30,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 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) [2022-11-03 02:37:30,025 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 150 transitions. [2022-11-03 02:37:30,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 02:37:30,026 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:37:30,026 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-03 02:37:30,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2022-11-03 02:37:30,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-03 02:37:30,234 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:37:30,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:37:30,234 INFO L85 PathProgramCache]: Analyzing trace with hash -524732491, now seen corresponding path program 7 times [2022-11-03 02:37:30,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:37:30,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580748774] [2022-11-03 02:37:30,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:37:30,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:37:30,251 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:37:30,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1570003252] [2022-11-03 02:37:30,252 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-03 02:37:30,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:37:30,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:37:30,253 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:37:30,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-03 02:37:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:37:30,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 02:37:30,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:37:30,452 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-03 02:37:30,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:37:30,537 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-03 02:37:30,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:37:30,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580748774] [2022-11-03 02:37:30,537 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:37:30,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570003252] [2022-11-03 02:37:30,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570003252] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:37:30,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1935643006] [2022-11-03 02:37:30,539 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 02:37:30,539 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:37:30,539 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:37:30,539 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:37:30,539 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:37:30,623 INFO L356 Elim1Store]: treesize reduction 66, result has 37.7 percent of original size [2022-11-03 02:37:30,624 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:30,753 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 02:37:30,753 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:30,774 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:30,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:30,817 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:30,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:30,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:30,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:30,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:30,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:30,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:30,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:30,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:30,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:30,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:30,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:37:30,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:37:30,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:30,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:30,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:30,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:30,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:30,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:30,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:30,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:30,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:30,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:30,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:30,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:31,071 INFO L356 Elim1Store]: treesize reduction 241, result has 12.4 percent of original size [2022-11-03 02:37:31,071 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:31,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:31,187 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:31,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:31,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:31,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:37:31,212 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:37:31,212 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:31,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:31,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:31,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:31,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:31,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:37:31,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:31,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:31,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:37:31,297 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 02:37:31,297 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:31,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:31,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:31,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:37:31,358 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:37:31,358 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:31,427 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:37:32,051 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5242#(and (= |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_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) (= (ite (= (+ |ULTIMATE.start_main_~i~0#1| (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) 1) |ULTIMATE.start_main_#t~mem13#1|) 1 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 [2022-11-03 02:37:32,051 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:37:32,051 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:37:32,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 17 [2022-11-03 02:37:32,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373368790] [2022-11-03 02:37:32,051 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 02:37:32,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-03 02:37:32,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:37:32,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-03 02:37:32,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2022-11-03 02:37:32,053 INFO L87 Difference]: Start difference. First operand 113 states and 150 transitions. Second operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 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) [2022-11-03 02:37:32,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:37:32,904 INFO L93 Difference]: Finished difference Result 190 states and 232 transitions. [2022-11-03 02:37:32,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-03 02:37:32,905 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 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 [2022-11-03 02:37:32,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:37:32,906 INFO L225 Difference]: With dead ends: 190 [2022-11-03 02:37:32,906 INFO L226 Difference]: Without dead ends: 159 [2022-11-03 02:37:32,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 34 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=399, Invalid=1493, Unknown=0, NotChecked=0, Total=1892 [2022-11-03 02:37:32,907 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 101 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:37:32,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 92 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:37:32,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-03 02:37:32,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 108. [2022-11-03 02:37:32,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 107 states have internal predecessors, (130), 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) [2022-11-03 02:37:32,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 130 transitions. [2022-11-03 02:37:32,948 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 130 transitions. Word has length 20 [2022-11-03 02:37:32,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:37:32,948 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 130 transitions. [2022-11-03 02:37:32,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 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) [2022-11-03 02:37:32,948 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 130 transitions. [2022-11-03 02:37:32,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 02:37:32,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:37:32,949 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2022-11-03 02:37:32,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-11-03 02:37:33,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:37:33,149 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:37:33,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:37:33,150 INFO L85 PathProgramCache]: Analyzing trace with hash -2020506964, now seen corresponding path program 8 times [2022-11-03 02:37:33,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:37:33,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763163592] [2022-11-03 02:37:33,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:37:33,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:37:33,166 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:37:33,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [872088263] [2022-11-03 02:37:33,166 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:37:33,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:37:33,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:37:33,168 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:37:33,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-03 02:37:34,085 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-03 02:37:34,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:37:34,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 83 conjunts are in the unsatisfiable core [2022-11-03 02:37:34,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:37:34,132 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-03 02:37:34,132 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:34,160 INFO L356 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2022-11-03 02:37:34,161 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:34,168 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:34,191 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 6 [2022-11-03 02:37:34,205 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:34,211 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 49 treesize of output 66 [2022-11-03 02:37:34,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:37:34,223 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:34,261 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:34,286 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:37:34,322 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:34,415 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:37:34,415 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 140 treesize of output 132 [2022-11-03 02:37:34,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:37:34,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:34,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:34,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:34,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:34,428 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 121 treesize of output 203 [2022-11-03 02:37:34,439 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 30 [2022-11-03 02:37:34,495 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:37:34,629 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:37:34,630 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 232 treesize of output 216 [2022-11-03 02:37:34,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:34,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:34,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:34,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:34,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:34,641 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 139 treesize of output 219 [2022-11-03 02:37:34,670 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:37:34,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:34,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:34,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:34,766 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:37:34,766 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 58 treesize of output 58 [2022-11-03 02:37:34,885 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:37:34,885 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 168 treesize of output 152 [2022-11-03 02:37:34,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:34,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:37:34,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:34,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:34,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:34,900 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:37:34,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:34,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:34,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:34,920 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 44 [2022-11-03 02:37:35,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:35,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:37:35,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:35,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:35,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:35,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:37:35,040 INFO L356 Elim1Store]: treesize reduction 37, result has 19.6 percent of original size [2022-11-03 02:37:35,040 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 75 treesize of output 70 [2022-11-03 02:37:35,189 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:37:35,189 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 195 treesize of output 171 [2022-11-03 02:37:35,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:35,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:35,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:35,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:35,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:35,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:35,241 INFO L356 Elim1Store]: treesize reduction 143, result has 0.7 percent of original size [2022-11-03 02:37:35,241 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 161 treesize of output 246 [2022-11-03 02:37:35,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:35,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:35,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:35,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:35,502 INFO L356 Elim1Store]: treesize reduction 156, result has 18.8 percent of original size [2022-11-03 02:37:35,503 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 213 treesize of output 149 [2022-11-03 02:37:42,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:42,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:42,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:42,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:37:42,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:42,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:42,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:42,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:37:42,957 INFO L356 Elim1Store]: treesize reduction 44, result has 24.1 percent of original size [2022-11-03 02:37:42,957 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 110 treesize of output 57 [2022-11-03 02:37:43,002 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:37:43,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:37:54,611 WARN L855 $PredicateComparison]: unable to prove that (or (let ((.cse68 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse67 (* .cse68 8)) (.cse21 (<= .cse68 2147483647)) (.cse66 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse0 (<= .cse66 2147483647)) (.cse36 (not .cse21)) (.cse35 (+ .cse67 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse1 (+ c_~N~0 4294967296)) (.cse6 (+ c_~N~0 4294967295)) (.cse13 (+ c_~N~0 4294967294)) (.cse4 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse19 (+ .cse67 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse18 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse37 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse38 (* 8 .cse66))) (and (or .cse0 (let ((.cse20 (+ (select .cse37 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse38)) (select .cse18 (+ (- 34359738368) .cse38 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or (let ((.cse8 (store .cse18 .cse19 .cse20))) (let ((.cse9 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse8) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 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 ((.cse7 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse3 (store .cse8 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse10 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse9 (+ .cse10 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse8 (+ .cse10 |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (.cse2 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse7)) (.cse5 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse7))) (or (<= .cse1 .cse2) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (= (select .cse3 .cse4) 13) (not (= (select .cse3 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse5 1) (< .cse2 .cse6) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse5))))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse12 (store .cse8 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse14 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse9 (+ .cse14 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse8 (+ .cse14 |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (.cse11 (+ (* |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|) (<= .cse6 .cse11) (= 13 (select .cse12 .cse4)) (not (= (select .cse12 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse11 .cse13) (< |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 ((.cse15 (store .cse8 (+ (* 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 .cse9 (+ .cse17 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse8 (+ .cse17 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (.cse16 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (not (= (select .cse15 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse6 .cse16) (= (select .cse15 .cse4) 13) (< .cse16 .cse13))))))) .cse21) (or (let ((.cse24 (store .cse18 .cse35 .cse20))) (let ((.cse25 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse24) |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|)) (.cse22 (store .cse24 (+ (* 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 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse24 (+ .cse26 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (not (= (select .cse22 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse6 .cse23) (< .cse23 .cse13) (= (select .cse22 .cse4) 13) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 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 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse27 (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|) (let ((.cse31 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse24 (+ .cse31 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse25 (+ .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (.cse28 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse30)) (.cse29 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse30))) (or (= (select .cse27 .cse4) 13) (<= .cse1 .cse28) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (not (= (select .cse27 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse29 1) (< .cse28 .cse6) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse29))))) (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|)) (.cse33 (store .cse24 (+ (* 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 .cse25 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse24 (+ .cse34 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse6 .cse32) (= (select .cse33 .cse4) 13) (< .cse32 .cse13) (not (= (select .cse33 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)))))))) .cse36)))) (or (not .cse0) (let ((.cse52 (+ (select .cse18 (+ .cse38 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse37 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse38))))) (and (or .cse36 (let ((.cse41 (store .cse18 .cse35 .cse52))) (let ((.cse42 (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 ((.cse39 (store .cse41 (+ (* 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_~a~0#1.offset| (- 34359738368))) (select .cse41 (+ .cse43 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (.cse40 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select .cse39 .cse4) 13) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse6 .cse40) (not (= (select .cse39 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse40 .cse13)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 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 ((.cse47 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse45 (store .cse41 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse48 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse41 (+ .cse48 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse42 (+ .cse48 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (.cse44 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse47)) (.cse46 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse47))) (or (<= .cse1 .cse44) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (= (select .cse45 .cse4) 13) (not (= (select .cse45 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse46 1) (< .cse44 .cse6) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse46))))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse49 (store .cse41 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse51 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse41 (+ .cse51 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse42 (+ .cse51 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (.cse50 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select .cse49 .cse4) 13) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse6 .cse50) (not (= (select .cse49 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse50 .cse13) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))))))) (or (let ((.cse55 (store .cse18 .cse19 .cse52))) (let ((.cse56 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse55) |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 ((.cse54 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse53 (store .cse55 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse57 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse56 (+ .cse57 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse55 (+ .cse57 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (not (= (select .cse53 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse6 .cse54) (< .cse54 .cse13) (= (select .cse53 .cse4) 13) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 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 ((.cse62 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse58 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse62)) (.cse59 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse62)) (.cse60 (store .cse55 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse61 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse56 (+ .cse61 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse55 (+ .cse61 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (<= .cse1 .cse58) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse59 1) (< .cse58 .cse6) (not (= (select .cse60 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse59) (= (select .cse60 .cse4) 13))))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse64 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse63 (store .cse55 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse65 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse56 (+ .cse65 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse55 (+ .cse65 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (not (= (select .cse63 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse6 .cse64) (< .cse64 .cse13) (= 13 (select .cse63 .cse4)))))))) .cse21)))))))) (not (< 3 c_~N~0))) is different from true [2022-11-03 02:38:16,105 WARN L855 $PredicateComparison]: unable to prove that (or (not (< 3 c_~N~0)) (let ((.cse111 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse112 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse1 (<= .cse112 2147483647)) (.cse110 (* .cse112 8)) (.cse109 (* .cse111 8)) (.cse43 (<= .cse111 2147483647)) (.cse108 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse62 (<= .cse108 2147483647)) (.cse0 (not .cse43)) (.cse37 (+ .cse109 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse41 (+ .cse109 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse20 (+ .cse110 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ c_~N~0 4294967296)) (.cse4 (+ c_~N~0 4294967295)) (.cse3 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (+ c_~N~0 4294967294)) (.cse35 (+ .cse110 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse36 (not .cse1)) (.cse58 (+ .cse109 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse59 (+ .cse109 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse40 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse60 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse61 (* 8 .cse108))) (and (or (let ((.cse38 (select .cse40 (+ .cse61 |c_ULTIMATE.start_main_~b~0#1.offset|))) (.cse39 (select .cse60 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse61)))) (let ((.cse42 (+ .cse38 .cse39))) (and (or .cse0 (let ((.cse19 (store .cse40 .cse41 .cse42))) (let ((.cse21 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse19) |c_ULTIMATE.start_main_~a~0#1.base|) .cse37) .cse38 .cse39))) (and (or .cse1 (let ((.cse7 (store .cse19 .cse20 .cse21))) (let ((.cse9 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse7) |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 ((.cse5 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse2 (store .cse7 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse8 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse7 (+ .cse8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse9 (+ .cse8 |c_ULTIMATE.start_main_~a~0#1.offset|))))))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select .cse2 .cse3) 13) (<= .cse4 .cse5) (< .cse5 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (not (= (select .cse2 |c_ULTIMATE.start_main_~b~0#1.offset|) 1))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 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 ((.cse14 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse11 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse14)) (.cse13 (store .cse7 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse15 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse7 (+ .cse15 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse9 (+ .cse15 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (.cse12 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse14))) (or (<= .cse10 .cse11) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse12 1) (< .cse11 .cse4) (= (select .cse13 .cse3) 13) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (not (= (select .cse13 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< 2147483648 .cse12))))) (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|)) (.cse16 (store .cse7 (+ (* 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 .cse7 (+ .cse18 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse9 (+ .cse18 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (not (= (select .cse16 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse4 .cse17) (< .cse17 .cse6) (= 13 (select .cse16 .cse3))))))))) (or (let ((.cse24 (store .cse19 .cse35 .cse21))) (let ((.cse26 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse24) |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 ((.cse22 (store .cse24 (+ (* 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 .cse24 (+ .cse25 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse26 (+ .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (.cse23 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= 13 (select .cse22 .cse3)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (not (= (select .cse22 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= .cse4 .cse23) (< .cse23 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 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 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse27 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse30)) (.cse28 (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|) (let ((.cse31 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse26 (+ .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse24 (+ .cse31 |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (.cse29 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse30))) (or (<= .cse10 .cse27) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (= 13 (select .cse28 .cse3)) (< .cse29 1) (< .cse27 .cse4) (not (= (select .cse28 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse29))))) (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|)) (.cse32 (store .cse24 (+ (* 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 .cse26 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse24 (+ .cse34 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (not (= (select .cse32 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse4 .cse33) (< .cse33 .cse6) (= (select .cse32 .cse3) 13))))))) .cse36))))) (or .cse43 (let ((.cse46 (let ((.cse57 (store .cse40 .cse59 .cse42))) (store .cse57 .cse20 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse57) |c_ULTIMATE.start_main_~a~0#1.base|) .cse58) .cse38 .cse39))))) (let ((.cse48 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse46) |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|)) (.cse44 (store .cse46 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse47 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse46 (+ .cse47 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse48 (+ .cse47 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))))) (or (not (= (select .cse44 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse4 .cse45) (< .cse45 .cse6) (= 13 (select .cse44 .cse3))))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse49 (store .cse46 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse51 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse46 (+ .cse51 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse48 (+ .cse51 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (.cse50 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (not (= (select .cse49 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select .cse49 .cse3) 13) (<= .cse4 .cse50) (< .cse50 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 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 ((.cse55 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse52 (store .cse46 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse56 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse46 (+ .cse56 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse48 (+ .cse56 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (.cse53 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse55)) (.cse54 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse55))) (or (= (select .cse52 .cse3) 13) (<= .cse10 .cse53) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (not (= (select .cse52 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse54 1) (< .cse53 .cse4) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse54)))))))))))) (not .cse62)) (or .cse62 (let ((.cse77 (select .cse60 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse61))) (.cse78 (select .cse40 (+ (- 34359738368) .cse61 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (let ((.cse79 (+ .cse77 .cse78))) (and (or .cse0 (let ((.cse67 (let ((.cse76 (store .cse40 .cse41 .cse79))) (store .cse76 .cse35 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse76) |c_ULTIMATE.start_main_~a~0#1.base|) .cse37) .cse77 .cse78))))) (let ((.cse69 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse67) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 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 ((.cse66 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse64 (store .cse67 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse68 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse67 (+ .cse68 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse69 (+ .cse68 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (.cse63 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse66)) (.cse65 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse66))) (or (<= .cse10 .cse63) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (not (= (select .cse64 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (= 13 (select .cse64 .cse3)) (< .cse65 1) (< .cse63 .cse4) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse65))))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse70 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse71 (store .cse67 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse72 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse69 (+ .cse72 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse67 (+ .cse72 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse4 .cse70) (< .cse70 .cse6) (= (select .cse71 .cse3) 13) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (not (= (select .cse71 |c_ULTIMATE.start_main_~b~0#1.offset|) 1))))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse73 (store .cse67 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse75 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse67 (+ .cse75 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse69 (+ .cse75 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))) (.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|) (not (= (select .cse73 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (= (select .cse73 .cse3) 13) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse4 .cse74) (< .cse74 .cse6)))))))) (or .cse43 (let ((.cse93 (store .cse40 .cse59 .cse79))) (let ((.cse94 (+ .cse77 .cse78 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse93) |c_ULTIMATE.start_main_~a~0#1.base|) .cse58)))) (and (or .cse1 (let ((.cse82 (store .cse93 .cse20 .cse94))) (let ((.cse83 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse82) |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 ((.cse80 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse81 (store .cse82 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse84 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse83 (+ .cse84 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse82 (+ .cse84 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse4 .cse80) (< .cse80 .cse6) (not (= (select .cse81 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select .cse81 .cse3) 13)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse86 (store .cse82 (+ (* 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 .cse83 (+ .cse87 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse82 (+ .cse87 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (.cse85 (+ (* |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) (<= .cse4 .cse85) (= (select .cse86 .cse3) 13) (not (= (select .cse86 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse85 .cse6)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 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 ((.cse91 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse89 (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|) (let ((.cse92 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse83 (+ .cse92 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse82 (+ .cse92 |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (.cse88 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse91)) (.cse90 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse91))) (or (<= .cse10 .cse88) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (= 13 (select .cse89 .cse3)) (not (= (select .cse89 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse90 1) (< .cse88 .cse4) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse90))))))))) (or (let ((.cse99 (store .cse93 .cse35 .cse94))) (let ((.cse101 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse99) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 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 ((.cse98 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse96 (store .cse99 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse100 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse99 (+ .cse100 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse101 (+ .cse100 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (.cse95 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse98)) (.cse97 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse98))) (or (<= .cse10 .cse95) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (not (= (select .cse96 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (= (select .cse96 .cse3) 13) (< .cse97 1) (< .cse95 .cse4) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse97))))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse102 (store .cse99 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse104 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse99 (+ .cse104 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse101 (+ .cse104 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))) (.cse103 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (not (= (select .cse102 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse4 .cse103) (= 13 (select .cse102 .cse3)) (< .cse103 .cse6)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse105 (store .cse99 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse107 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse101 (+ .cse107 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse99 (+ .cse107 |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (.cse106 (+ (* |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|) (not (= (select .cse105 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= .cse4 .cse106) (= (select .cse105 .cse3) 13) (< .cse106 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))))) .cse36)))))))))))))) is different from true [2022-11-03 02:38:29,242 WARN L234 SmtUtils]: Spent 7.42s on a formula simplification that was a NOOP. DAG size: 117 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:38:35,639 WARN L855 $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 ((.cse64 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse63 (* .cse64 8)) (.cse19 (<= .cse64 2147483647))) (let ((.cse31 (not .cse19)) (.cse42 (+ .cse63 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse4 (+ c_~N~0 4294967295)) (.cse22 (+ c_~N~0 4294967294)) (.cse1 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse13 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse15 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse17 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse18 (+ .cse63 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1003 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 ((.cse5 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse0 (let ((.cse16 (store .cse17 .cse18 v_ArrVal_1003))) (let ((.cse7 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse16))) (let ((.cse6 (let ((.cse14 (select .cse7 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse11 (select .cse14 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse12 (select .cse16 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse9 (store .cse14 .cse15 (+ .cse11 .cse12)))) (store .cse9 .cse10 (+ .cse11 .cse12 (select (select (store .cse7 |c_ULTIMATE.start_main_~b~0#1.base| .cse9) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (store .cse6 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse8 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store .cse7 |c_ULTIMATE.start_main_~b~0#1.base| .cse6) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse6 (+ .cse8 |c_ULTIMATE.start_main_~b~0#1.offset|))))))))) (.cse2 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse5)) (.cse3 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse5))) (or (= (select .cse0 .cse1) 13) (<= (+ c_~N~0 4294967296) .cse2) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (not (= (select .cse0 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse3 1) (< .cse2 .cse4) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse3))))) (or .cse19 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse20 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse21 (let ((.cse30 (store .cse17 .cse18 v_ArrVal_1003))) (let ((.cse25 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse30))) (let ((.cse23 (let ((.cse29 (select .cse25 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse27 (select .cse29 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse28 (select .cse30 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse26 (store .cse29 .cse15 (+ .cse27 .cse28)))) (store .cse26 .cse10 (+ .cse27 .cse28 (select (select (store .cse25 |c_ULTIMATE.start_main_~b~0#1.base| .cse26) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (store .cse23 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse24 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse23 (+ .cse24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse25 |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|)))))))))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse4 .cse20) (= (select .cse21 .cse1) 13) (< .cse20 .cse22) (not (= (select .cse21 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))) (or .cse31 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse32 (let ((.cse41 (store .cse17 .cse42 v_ArrVal_1003))) (let ((.cse35 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse41))) (let ((.cse34 (let ((.cse40 (select .cse35 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse38 (select .cse41 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse39 (select .cse40 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse37 (store .cse40 .cse15 (+ .cse38 .cse39)))) (store .cse37 .cse10 (+ .cse38 (select (select (store .cse35 |c_ULTIMATE.start_main_~b~0#1.base| .cse37) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .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 ((.cse36 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse35 |c_ULTIMATE.start_main_~b~0#1.base| .cse34) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse36 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse34 (+ .cse36 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))))) (.cse33 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select .cse32 .cse1) 13) (not (= (select .cse32 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse4 .cse33) (< .cse33 .cse22))))) (or .cse31 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse43 (let ((.cse52 (store .cse17 .cse42 v_ArrVal_1003))) (let ((.cse47 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse52))) (let ((.cse45 (let ((.cse51 (select .cse47 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse49 (select .cse52 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse50 (select .cse51 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse48 (store .cse51 .cse15 (+ .cse49 .cse50)))) (store .cse48 .cse10 (+ .cse49 (select (select (store .cse47 |c_ULTIMATE.start_main_~b~0#1.base| .cse48) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse50))))))) (store .cse45 (+ (* 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 .cse45 (+ .cse46 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse47 |c_ULTIMATE.start_main_~b~0#1.base| .cse45) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse46 |c_ULTIMATE.start_main_~a~0#1.offset|))))))))) (.cse44 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select .cse43 .cse1) 13) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse4 .cse44) (not (= (select .cse43 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse44 .cse22) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))) (or .cse19 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse53 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse54 (let ((.cse62 (store .cse17 .cse18 v_ArrVal_1003))) (let ((.cse57 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse62))) (let ((.cse55 (let ((.cse61 (select .cse57 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse59 (select .cse61 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse60 (select .cse62 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse58 (store .cse61 .cse15 (+ .cse59 .cse60)))) (store .cse58 .cse10 (+ .cse59 .cse60 (select (select (store .cse57 |c_ULTIMATE.start_main_~b~0#1.base| .cse58) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (store .cse55 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse56 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse55 (+ .cse56 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse57 |c_ULTIMATE.start_main_~b~0#1.base| .cse55) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse56 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse4 .cse53) (not (= (select .cse54 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse53 .cse22) (= (select .cse54 .cse1) 13)))))))))) is different from true [2022-11-03 02:38:53,792 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse98 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (or (< (+ 2 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0) (let ((.cse96 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse97 (mod .cse98 4294967296))) (let ((.cse33 (<= .cse97 2147483647)) (.cse95 (* .cse97 8)) (.cse94 (* .cse96 8)) (.cse58 (<= .cse96 2147483647)) (.cse93 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse60 (<= .cse93 2147483647)) (.cse0 (not .cse58)) (.cse45 (+ .cse94 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse32 (+ .cse95 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse1 (not .cse33)) (.cse4 (+ c_~N~0 4294967295)) (.cse3 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (+ c_~N~0 4294967294)) (.cse11 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse13 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse16 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse19 (+ .cse95 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse57 (+ .cse94 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse44 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse59 (* 8 .cse93))) (and (or (let ((.cse46 (+ 2 (select .cse44 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse59))))) (and (or .cse0 (let ((.cse18 (store .cse44 .cse45 .cse46))) (and (or .cse1 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse5 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse2 (let ((.cse17 (store .cse18 .cse19 v_ArrVal_1003))) (let ((.cse8 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse17))) (let ((.cse7 (let ((.cse15 (select .cse8 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse12 (select .cse15 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse14 (select .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse10 (store .cse15 .cse16 (+ .cse12 .cse14)))) (store .cse10 .cse11 (+ .cse12 (select (select (store .cse8 |c_ULTIMATE.start_main_~b~0#1.base| .cse10) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse14))))))) (store .cse7 (+ (* 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 (select (store .cse8 |c_ULTIMATE.start_main_~b~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse9 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse7 (+ .cse9 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))))) (or (= (select .cse2 .cse3) 13) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse4 .cse5) (< .cse5 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (not (= (select .cse2 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1003 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 ((.cse23 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse20 (let ((.cse31 (store .cse18 .cse32 v_ArrVal_1003))) (let ((.cse26 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse31))) (let ((.cse24 (let ((.cse30 (select .cse26 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse28 (select .cse30 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse29 (select .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse27 (store .cse30 .cse16 (+ .cse28 .cse29)))) (store .cse27 .cse11 (+ (select (select (store .cse26 |c_ULTIMATE.start_main_~b~0#1.base| .cse27) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse28 .cse29))))))) (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|) (let ((.cse25 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse24 (+ .cse25 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse26 |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|))))))))) (.cse21 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse23)) (.cse22 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse23))) (or (= (select .cse20 .cse3) 13) (<= (+ c_~N~0 4294967296) .cse21) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (not (= (select .cse20 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse22 1) (< .cse21 .cse4) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse22))))) (or .cse33 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse34 (let ((.cse43 (store .cse18 .cse32 v_ArrVal_1003))) (let ((.cse38 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse43))) (let ((.cse36 (let ((.cse42 (select .cse38 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse40 (select .cse42 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse41 (select .cse43 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse39 (store .cse42 .cse16 (+ .cse40 .cse41)))) (store .cse39 .cse11 (+ (select (select (store .cse38 |c_ULTIMATE.start_main_~b~0#1.base| .cse39) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse40 .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 ((.cse37 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse36 (+ .cse37 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse38 |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|))))))))) (.cse35 (+ (* |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 .cse34 .cse3) 13) (<= .cse4 .cse35) (not (= 1 (select .cse34 |c_ULTIMATE.start_main_~b~0#1.offset|))) (< .cse35 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))))))) (or (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse47 (let ((.cse56 (store (store .cse44 .cse57 .cse46) .cse32 v_ArrVal_1003))) (let ((.cse50 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse56))) (let ((.cse49 (let ((.cse55 (select .cse50 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse53 (select .cse55 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse54 (select .cse56 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse52 (store .cse55 .cse16 (+ .cse53 .cse54)))) (store .cse52 .cse11 (+ .cse53 .cse54 (select (select (store .cse50 |c_ULTIMATE.start_main_~b~0#1.base| .cse52) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (store .cse49 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse51 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse50 |c_ULTIMATE.start_main_~b~0#1.base| .cse49) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse51 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse49 (+ .cse51 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))))) (.cse48 (+ (* |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|) (not (= (select .cse47 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse4 .cse48) (= (select .cse47 .cse3) 13) (< .cse48 .cse6)))) .cse58))) (not .cse60)) (or .cse60 (let ((.cse71 (+ (select .cse44 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse59)) 2))) (and (or .cse0 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse61 (let ((.cse70 (store (store .cse44 .cse45 .cse71) .cse19 v_ArrVal_1003))) (let ((.cse65 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse70))) (let ((.cse63 (let ((.cse69 (select .cse65 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse67 (select .cse69 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse68 (select .cse70 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse66 (store .cse69 .cse16 (+ .cse67 .cse68)))) (store .cse66 .cse11 (+ .cse67 .cse68 (select (select (store .cse65 |c_ULTIMATE.start_main_~b~0#1.base| .cse66) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (store .cse63 (+ (* 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 .cse63 (+ .cse64 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse65 |c_ULTIMATE.start_main_~b~0#1.base| .cse63) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse64 |c_ULTIMATE.start_main_~a~0#1.offset|))))))))) (.cse62 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (not (= (select .cse61 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse4 .cse62) (= (select .cse61 .cse3) 13) (< .cse62 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))) (or .cse58 (let ((.cse82 (store .cse44 .cse57 .cse71))) (and (or .cse33 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse72 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse73 (let ((.cse81 (store .cse82 .cse32 v_ArrVal_1003))) (let ((.cse75 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse81))) (let ((.cse74 (let ((.cse80 (select .cse75 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse78 (select .cse80 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse79 (select .cse81 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse77 (store .cse80 .cse16 (+ .cse78 .cse79)))) (store .cse77 .cse11 (+ .cse78 (select (select (store .cse75 |c_ULTIMATE.start_main_~b~0#1.base| .cse77) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse79))))))) (store .cse74 (+ (* 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 (select (store .cse75 |c_ULTIMATE.start_main_~b~0#1.base| .cse74) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse76 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse74 (+ .cse76 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)))))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse4 .cse72) (= (select .cse73 .cse3) 13) (< .cse72 .cse6) (not (= (select .cse73 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)))))) (or .cse1 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse83 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse84 (let ((.cse92 (store .cse82 .cse19 v_ArrVal_1003))) (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 .cse16 (+ .cse89 .cse90)))) (store .cse88 .cse11 (+ (select (select (store .cse86 |c_ULTIMATE.start_main_~b~0#1.base| .cse88) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse89 .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| (- 34359738368))) (select .cse85 (+ .cse87 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)))))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse4 .cse83) (= (select .cse84 .cse3) 13) (< .cse83 .cse6) (not (= (select .cse84 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)))))))))))))))) (not (< 3 c_~N~0)) (not (< .cse98 c_~N~0)))) is different from true [2022-11-03 02:39:35,492 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (or (<= c_~N~0 .cse0) (let ((.cse130 (mod .cse0 4294967296)) (.cse129 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse128 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse124 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse127 (* .cse128 8)) (.cse126 (* .cse129 8)) (.cse125 (* 8 .cse130)) (.cse37 (<= .cse130 2147483647)) (.cse24 (<= .cse129 2147483647)) (.cse63 (<= .cse128 2147483647))) (let ((.cse1 (not .cse63)) (.cse61 (not .cse24)) (.cse38 (not .cse37)) (.cse23 (+ .cse125 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse21 (+ .cse126 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse19 (+ .cse127 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse6 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse2 (+ c_~N~0 4294967295)) (.cse5 (+ c_~N~0 4294967294)) (.cse11 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse12 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse16 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse62 (+ .cse127 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse50 (+ .cse126 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse36 (+ .cse125 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse18 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse65 (* 8 .cse124)) (.cse66 (<= .cse124 2147483647))) (and (or (let ((.cse64 (select .cse18 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse65)))) (let ((.cse22 (+ .cse64 4)) (.cse20 (+ .cse64 2))) (and (or .cse1 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 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|)) (.cse4 (let ((.cse17 (store (store (store .cse18 .cse19 .cse20) .cse21 .cse22) .cse23 v_ArrVal_1003))) (let ((.cse8 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse17))) (let ((.cse7 (let ((.cse15 (select .cse8 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse13 (select .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse14 (select .cse15 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse10 (store .cse15 .cse16 (+ .cse13 .cse14)))) (store .cse10 .cse11 (+ (select (select (store .cse8 |c_ULTIMATE.start_main_~b~0#1.base| .cse10) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12) .cse13 .cse14))))))) (store .cse7 (+ (* 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 (select (store .cse8 |c_ULTIMATE.start_main_~b~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse9 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse7 (+ .cse9 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse2 .cse3) (not (= (select .cse4 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse3 .cse5) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select .cse4 .cse6) 13))))) (or (let ((.cse49 (store .cse18 .cse62 .cse20))) (and (or .cse24 (let ((.cse35 (store .cse49 .cse50 .cse22))) (and (or (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 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|)) (.cse25 (let ((.cse34 (store .cse35 .cse36 v_ArrVal_1003))) (let ((.cse29 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34))) (let ((.cse27 (let ((.cse33 (select .cse29 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse31 (select .cse33 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse32 (select .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse30 (store .cse33 .cse16 (+ .cse31 .cse32)))) (store .cse30 .cse11 (+ .cse31 .cse32 (select (select (store .cse29 |c_ULTIMATE.start_main_~b~0#1.base| .cse30) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12)))))))) (store .cse27 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse28 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse27 (+ .cse28 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse29 |c_ULTIMATE.start_main_~b~0#1.base| .cse27) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse28 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select .cse25 .cse6) 13) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse2 .cse26) (< .cse26 .cse5) (not (= (select .cse25 |c_ULTIMATE.start_main_~b~0#1.offset|) 1))))) .cse37) (or .cse38 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse39 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse40 (let ((.cse48 (store .cse35 .cse23 v_ArrVal_1003))) (let ((.cse43 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse48))) (let ((.cse41 (let ((.cse47 (select .cse43 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse45 (select .cse48 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse46 (select .cse47 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse44 (store .cse47 .cse16 (+ .cse45 .cse46)))) (store .cse44 .cse11 (+ .cse45 .cse46 (select (select (store .cse43 |c_ULTIMATE.start_main_~b~0#1.base| .cse44) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12)))))))) (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 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse43 |c_ULTIMATE.start_main_~b~0#1.base| .cse41) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse42 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse2 .cse39) (= (select .cse40 .cse6) 13) (< .cse39 .cse5) (not (= (select .cse40 |c_ULTIMATE.start_main_~b~0#1.offset|) 1))))))))) (or (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse52 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse51 (let ((.cse60 (store (store .cse49 .cse21 .cse22) .cse23 v_ArrVal_1003))) (let ((.cse54 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse60))) (let ((.cse53 (let ((.cse59 (select .cse54 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse57 (select .cse59 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse58 (select .cse60 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse56 (store .cse59 .cse16 (+ .cse57 .cse58)))) (store .cse56 .cse11 (+ .cse57 (select (select (store .cse54 |c_ULTIMATE.start_main_~b~0#1.base| .cse56) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12) .cse58))))))) (store .cse53 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse55 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse54 |c_ULTIMATE.start_main_~b~0#1.base| .cse53) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse55 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse53 (+ .cse55 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (not (= (select .cse51 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= .cse2 .cse52) (< .cse52 .cse5) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select .cse51 .cse6) 13)))) .cse61))) .cse63)))) .cse66) (or (let ((.cse123 (select .cse18 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse65)))) (let ((.cse112 (+ 2 .cse123)) (.cse101 (+ 4 .cse123))) (and (or .cse1 (let ((.cse100 (store .cse18 .cse19 .cse112))) (and (or .cse61 (let ((.cse79 (store .cse100 .cse21 .cse101))) (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1003 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 ((.cse70 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse67 (let ((.cse78 (store .cse79 .cse36 v_ArrVal_1003))) (let ((.cse73 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse78))) (let ((.cse71 (let ((.cse77 (select .cse73 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse75 (select .cse77 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse76 (select .cse78 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse74 (store .cse77 .cse16 (+ .cse75 .cse76)))) (store .cse74 .cse11 (+ (select (select (store .cse73 |c_ULTIMATE.start_main_~b~0#1.base| .cse74) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12) .cse75 .cse76))))))) (store .cse71 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse72 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse71 (+ .cse72 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse73 |c_ULTIMATE.start_main_~b~0#1.base| .cse71) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse72 |c_ULTIMATE.start_main_~a~0#1.offset|))))))))) (.cse68 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse70)) (.cse69 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse70))) (or (not (= (select .cse67 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= (+ c_~N~0 4294967296) .cse68) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (= 13 (select .cse67 .cse6)) (< .cse69 1) (< .cse68 .cse2) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse69))))) (or (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse80 (let ((.cse89 (store .cse79 .cse36 v_ArrVal_1003))) (let ((.cse84 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse89))) (let ((.cse82 (let ((.cse88 (select .cse84 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse86 (select .cse88 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse87 (select .cse89 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse85 (store .cse88 .cse16 (+ .cse86 .cse87)))) (store .cse85 .cse11 (+ (select (select (store .cse84 |c_ULTIMATE.start_main_~b~0#1.base| .cse85) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12) .cse86 .cse87))))))) (store .cse82 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse83 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse82 (+ .cse83 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse84 |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|))))))))) (.cse81 (+ (* |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|) (not (= (select .cse80 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (= (select .cse80 .cse6) 13) (<= .cse2 .cse81) (< .cse81 .cse5) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) .cse37) (or .cse38 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse90 (let ((.cse99 (store .cse79 .cse23 v_ArrVal_1003))) (let ((.cse93 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse99))) (let ((.cse92 (let ((.cse98 (select .cse93 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse96 (select .cse99 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse97 (select .cse98 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse95 (store .cse98 .cse16 (+ .cse96 .cse97)))) (store .cse95 .cse11 (+ .cse96 (select (select (store .cse93 |c_ULTIMATE.start_main_~b~0#1.base| .cse95) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12) .cse97))))))) (store .cse92 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse94 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse93 |c_ULTIMATE.start_main_~b~0#1.base| .cse92) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse94 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse92 (+ .cse94 |c_ULTIMATE.start_main_~b~0#1.offset|))))))))) (.cse91 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select .cse90 .cse6) 13) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse2 .cse91) (not (= (select .cse90 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse91 .cse5) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))))))) (or .cse24 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 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|)) (.cse103 (let ((.cse111 (store (store .cse100 .cse50 .cse101) .cse36 v_ArrVal_1003))) (let ((.cse105 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse111))) (let ((.cse104 (let ((.cse110 (select .cse105 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse108 (select .cse110 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse109 (select .cse111 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse107 (store .cse110 .cse16 (+ .cse108 .cse109)))) (store .cse107 .cse11 (+ (select (select (store .cse105 |c_ULTIMATE.start_main_~b~0#1.base| .cse107) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12) .cse108 .cse109))))))) (store .cse104 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse106 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse105 |c_ULTIMATE.start_main_~b~0#1.base| .cse104) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse106 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse104 (+ .cse106 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)))))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse2 .cse102) (= (select .cse103 .cse6) 13) (< .cse102 .cse5) (not (= (select .cse103 |c_ULTIMATE.start_main_~b~0#1.offset|) 1))))))))) (or (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse113 (let ((.cse122 (store (store (store .cse18 .cse62 .cse112) .cse50 .cse101) .cse36 v_ArrVal_1003))) (let ((.cse117 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse122))) (let ((.cse115 (let ((.cse121 (select .cse117 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse119 (select .cse122 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse120 (select .cse121 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse118 (store .cse121 .cse16 (+ .cse119 .cse120)))) (store .cse118 .cse11 (+ .cse119 (select (select (store .cse117 |c_ULTIMATE.start_main_~b~0#1.base| .cse118) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12) .cse120))))))) (store .cse115 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse116 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse115 (+ .cse116 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse117 |c_ULTIMATE.start_main_~b~0#1.base| .cse115) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse116 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))))))) (.cse114 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select .cse113 .cse6) 13) (not (= (select .cse113 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse2 .cse114) (< .cse114 .cse5)))) .cse63)))) (not .cse66)))))) (<= c_~N~0 3) (< (+ 3 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0))) is different from true [2022-11-03 02:39:35,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:39:35,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:39:35,612 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-03 02:39:35,613 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 8241 treesize of output 1 [2022-11-03 02:39:35,617 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 11 not checked. [2022-11-03 02:39:35,617 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:39:35,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763163592] [2022-11-03 02:39:35,617 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:39:35,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872088263] [2022-11-03 02:39:35,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [872088263] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:39:35,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1949680783] [2022-11-03 02:39:35,619 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 02:39:35,619 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:39:35,619 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:39:35,619 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:39:35,619 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:39:35,883 INFO L356 Elim1Store]: treesize reduction 111, result has 29.3 percent of original size [2022-11-03 02:39:35,883 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:36,050 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 02:39:36,050 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:36,075 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:36,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:39:36,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,115 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:36,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:39:36,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:39:36,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,415 INFO L356 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-03 02:39:36,416 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:36,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,524 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:36,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,545 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:39:36,545 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:36,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:39:36,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:39:36,752 INFO L356 Elim1Store]: treesize reduction 248, result has 12.1 percent of original size [2022-11-03 02:39:36,753 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:36,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:36,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:39:36,842 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:39:36,843 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:36,910 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:39:38,890 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5916#(and (= |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_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) (= (ite (= (+ |ULTIMATE.start_main_~i~0#1| (* |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~i~0#1|) 1) |ULTIMATE.start_main_#t~mem13#1|) 1 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 [2022-11-03 02:39:38,891 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:39:38,891 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:39:38,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2022-11-03 02:39:38,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788139271] [2022-11-03 02:39:38,891 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 02:39:38,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-03 02:39:38,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:39:38,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-03 02:39:38,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=830, Unknown=7, NotChecked=320, Total=1332 [2022-11-03 02:39:38,892 INFO L87 Difference]: Start difference. First operand 108 states and 130 transitions. Second operand has 31 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 31 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) [2022-11-03 02:39:40,968 WARN L855 $PredicateComparison]: unable to prove that (and (not (<= c_~N~0 0)) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (exists ((v_DerPreprocessor_30 (Array Int Int))) (and (= (select v_DerPreprocessor_30 |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_DerPreprocessor_30) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)))) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1) (<= c_~N~0 2147483647) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (let ((.cse0 (+ 2 |c_ULTIMATE.start_main_~i~0#1|))) (or (<= c_~N~0 .cse0) (let ((.cse130 (mod .cse0 4294967296)) (.cse129 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse128 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse124 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse127 (* .cse128 8)) (.cse126 (* .cse129 8)) (.cse125 (* 8 .cse130)) (.cse37 (<= .cse130 2147483647)) (.cse24 (<= .cse129 2147483647)) (.cse63 (<= .cse128 2147483647))) (let ((.cse1 (not .cse63)) (.cse61 (not .cse24)) (.cse38 (not .cse37)) (.cse23 (+ .cse125 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse21 (+ .cse126 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse19 (+ .cse127 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse6 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse2 (+ c_~N~0 4294967295)) (.cse5 (+ c_~N~0 4294967294)) (.cse11 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse12 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse16 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse62 (+ .cse127 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse50 (+ .cse126 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse36 (+ .cse125 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse18 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse65 (* 8 .cse124)) (.cse66 (<= .cse124 2147483647))) (and (or (let ((.cse64 (select .cse18 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse65)))) (let ((.cse22 (+ .cse64 4)) (.cse20 (+ .cse64 2))) (and (or .cse1 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 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|)) (.cse4 (let ((.cse17 (store (store (store .cse18 .cse19 .cse20) .cse21 .cse22) .cse23 v_ArrVal_1003))) (let ((.cse8 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse17))) (let ((.cse7 (let ((.cse15 (select .cse8 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse13 (select .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse14 (select .cse15 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse10 (store .cse15 .cse16 (+ .cse13 .cse14)))) (store .cse10 .cse11 (+ (select (select (store .cse8 |c_ULTIMATE.start_main_~b~0#1.base| .cse10) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12) .cse13 .cse14))))))) (store .cse7 (+ (* 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 (select (store .cse8 |c_ULTIMATE.start_main_~b~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse9 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse7 (+ .cse9 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse2 .cse3) (not (= (select .cse4 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse3 .cse5) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select .cse4 .cse6) 13))))) (or (let ((.cse49 (store .cse18 .cse62 .cse20))) (and (or .cse24 (let ((.cse35 (store .cse49 .cse50 .cse22))) (and (or (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 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|)) (.cse25 (let ((.cse34 (store .cse35 .cse36 v_ArrVal_1003))) (let ((.cse29 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34))) (let ((.cse27 (let ((.cse33 (select .cse29 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse31 (select .cse33 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse32 (select .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse30 (store .cse33 .cse16 (+ .cse31 .cse32)))) (store .cse30 .cse11 (+ .cse31 .cse32 (select (select (store .cse29 |c_ULTIMATE.start_main_~b~0#1.base| .cse30) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12)))))))) (store .cse27 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse28 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse27 (+ .cse28 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse29 |c_ULTIMATE.start_main_~b~0#1.base| .cse27) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse28 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select .cse25 .cse6) 13) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse2 .cse26) (< .cse26 .cse5) (not (= (select .cse25 |c_ULTIMATE.start_main_~b~0#1.offset|) 1))))) .cse37) (or .cse38 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse39 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse40 (let ((.cse48 (store .cse35 .cse23 v_ArrVal_1003))) (let ((.cse43 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse48))) (let ((.cse41 (let ((.cse47 (select .cse43 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse45 (select .cse48 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse46 (select .cse47 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse44 (store .cse47 .cse16 (+ .cse45 .cse46)))) (store .cse44 .cse11 (+ .cse45 .cse46 (select (select (store .cse43 |c_ULTIMATE.start_main_~b~0#1.base| .cse44) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12)))))))) (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 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse43 |c_ULTIMATE.start_main_~b~0#1.base| .cse41) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse42 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse2 .cse39) (= (select .cse40 .cse6) 13) (< .cse39 .cse5) (not (= (select .cse40 |c_ULTIMATE.start_main_~b~0#1.offset|) 1))))))))) (or (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse52 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse51 (let ((.cse60 (store (store .cse49 .cse21 .cse22) .cse23 v_ArrVal_1003))) (let ((.cse54 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse60))) (let ((.cse53 (let ((.cse59 (select .cse54 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse57 (select .cse59 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse58 (select .cse60 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse56 (store .cse59 .cse16 (+ .cse57 .cse58)))) (store .cse56 .cse11 (+ .cse57 (select (select (store .cse54 |c_ULTIMATE.start_main_~b~0#1.base| .cse56) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12) .cse58))))))) (store .cse53 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse55 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse54 |c_ULTIMATE.start_main_~b~0#1.base| .cse53) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse55 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse53 (+ .cse55 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (not (= (select .cse51 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= .cse2 .cse52) (< .cse52 .cse5) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select .cse51 .cse6) 13)))) .cse61))) .cse63)))) .cse66) (or (let ((.cse123 (select .cse18 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse65)))) (let ((.cse112 (+ 2 .cse123)) (.cse101 (+ 4 .cse123))) (and (or .cse1 (let ((.cse100 (store .cse18 .cse19 .cse112))) (and (or .cse61 (let ((.cse79 (store .cse100 .cse21 .cse101))) (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1003 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 ((.cse70 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse67 (let ((.cse78 (store .cse79 .cse36 v_ArrVal_1003))) (let ((.cse73 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse78))) (let ((.cse71 (let ((.cse77 (select .cse73 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse75 (select .cse77 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse76 (select .cse78 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse74 (store .cse77 .cse16 (+ .cse75 .cse76)))) (store .cse74 .cse11 (+ (select (select (store .cse73 |c_ULTIMATE.start_main_~b~0#1.base| .cse74) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12) .cse75 .cse76))))))) (store .cse71 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse72 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse71 (+ .cse72 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse73 |c_ULTIMATE.start_main_~b~0#1.base| .cse71) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse72 |c_ULTIMATE.start_main_~a~0#1.offset|))))))))) (.cse68 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse70)) (.cse69 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse70))) (or (not (= (select .cse67 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= (+ c_~N~0 4294967296) .cse68) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (= 13 (select .cse67 .cse6)) (< .cse69 1) (< .cse68 .cse2) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse69))))) (or (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse80 (let ((.cse89 (store .cse79 .cse36 v_ArrVal_1003))) (let ((.cse84 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse89))) (let ((.cse82 (let ((.cse88 (select .cse84 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse86 (select .cse88 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse87 (select .cse89 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse85 (store .cse88 .cse16 (+ .cse86 .cse87)))) (store .cse85 .cse11 (+ (select (select (store .cse84 |c_ULTIMATE.start_main_~b~0#1.base| .cse85) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12) .cse86 .cse87))))))) (store .cse82 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse83 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse82 (+ .cse83 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse84 |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|))))))))) (.cse81 (+ (* |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|) (not (= (select .cse80 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (= (select .cse80 .cse6) 13) (<= .cse2 .cse81) (< .cse81 .cse5) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) .cse37) (or .cse38 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse90 (let ((.cse99 (store .cse79 .cse23 v_ArrVal_1003))) (let ((.cse93 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse99))) (let ((.cse92 (let ((.cse98 (select .cse93 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse96 (select .cse99 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse97 (select .cse98 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse95 (store .cse98 .cse16 (+ .cse96 .cse97)))) (store .cse95 .cse11 (+ .cse96 (select (select (store .cse93 |c_ULTIMATE.start_main_~b~0#1.base| .cse95) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12) .cse97))))))) (store .cse92 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse94 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse93 |c_ULTIMATE.start_main_~b~0#1.base| .cse92) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse94 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse92 (+ .cse94 |c_ULTIMATE.start_main_~b~0#1.offset|))))))))) (.cse91 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select .cse90 .cse6) 13) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse2 .cse91) (not (= (select .cse90 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse91 .cse5) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))))))) (or .cse24 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 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|)) (.cse103 (let ((.cse111 (store (store .cse100 .cse50 .cse101) .cse36 v_ArrVal_1003))) (let ((.cse105 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse111))) (let ((.cse104 (let ((.cse110 (select .cse105 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse108 (select .cse110 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse109 (select .cse111 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse107 (store .cse110 .cse16 (+ .cse108 .cse109)))) (store .cse107 .cse11 (+ (select (select (store .cse105 |c_ULTIMATE.start_main_~b~0#1.base| .cse107) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12) .cse108 .cse109))))))) (store .cse104 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse106 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse105 |c_ULTIMATE.start_main_~b~0#1.base| .cse104) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse106 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse104 (+ .cse106 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)))))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse2 .cse102) (= (select .cse103 .cse6) 13) (< .cse102 .cse5) (not (= (select .cse103 |c_ULTIMATE.start_main_~b~0#1.offset|) 1))))))))) (or (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse113 (let ((.cse122 (store (store (store .cse18 .cse62 .cse112) .cse50 .cse101) .cse36 v_ArrVal_1003))) (let ((.cse117 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse122))) (let ((.cse115 (let ((.cse121 (select .cse117 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse119 (select .cse122 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse120 (select .cse121 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse118 (store .cse121 .cse16 (+ .cse119 .cse120)))) (store .cse118 .cse11 (+ .cse119 (select (select (store .cse117 |c_ULTIMATE.start_main_~b~0#1.base| .cse118) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12) .cse120))))))) (store .cse115 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse116 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse115 (+ .cse116 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse117 |c_ULTIMATE.start_main_~b~0#1.base| .cse115) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse116 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))))))) (.cse114 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select .cse113 .cse6) 13) (not (= (select .cse113 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse2 .cse114) (< .cse114 .cse5)))) .cse63)))) (not .cse66)))))) (<= c_~N~0 3) (< (+ 3 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0))) (= |c_ULTIMATE.start_main_~i~0#1| 1)) is different from true [2022-11-03 02:39:43,015 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse96 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse102 (* 8 .cse96))) (let ((.cse44 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse101 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse102))) (let ((.cse93 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse102)) (.cse59 (select .cse44 .cse101))) (and (let ((.cse99 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (or (< (+ 2 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0) (let ((.cse97 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse98 (mod .cse99 4294967296))) (let ((.cse33 (<= .cse98 2147483647)) (.cse95 (* .cse98 8)) (.cse94 (* .cse97 8)) (.cse58 (<= .cse97 2147483647))) (let ((.cse60 (<= .cse96 2147483647)) (.cse0 (not .cse58)) (.cse45 (+ .cse94 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse32 (+ .cse95 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse1 (not .cse33)) (.cse4 (+ c_~N~0 4294967295)) (.cse3 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (+ c_~N~0 4294967294)) (.cse11 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse13 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse16 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse19 (+ .cse95 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse57 (+ .cse94 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (and (or (let ((.cse46 (+ 2 .cse59))) (and (or .cse0 (let ((.cse18 (store .cse44 .cse45 .cse46))) (and (or .cse1 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse5 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse2 (let ((.cse17 (store .cse18 .cse19 v_ArrVal_1003))) (let ((.cse8 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse17))) (let ((.cse7 (let ((.cse15 (select .cse8 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse12 (select .cse15 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse14 (select .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse10 (store .cse15 .cse16 (+ .cse12 .cse14)))) (store .cse10 .cse11 (+ .cse12 (select (select (store .cse8 |c_ULTIMATE.start_main_~b~0#1.base| .cse10) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse14))))))) (store .cse7 (+ (* 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 (select (store .cse8 |c_ULTIMATE.start_main_~b~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse9 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse7 (+ .cse9 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))))) (or (= (select .cse2 .cse3) 13) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse4 .cse5) (< .cse5 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (not (= (select .cse2 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_1003 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 ((.cse23 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse20 (let ((.cse31 (store .cse18 .cse32 v_ArrVal_1003))) (let ((.cse26 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse31))) (let ((.cse24 (let ((.cse30 (select .cse26 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse28 (select .cse30 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse29 (select .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse27 (store .cse30 .cse16 (+ .cse28 .cse29)))) (store .cse27 .cse11 (+ (select (select (store .cse26 |c_ULTIMATE.start_main_~b~0#1.base| .cse27) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse28 .cse29))))))) (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|) (let ((.cse25 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse24 (+ .cse25 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse26 |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|))))))))) (.cse21 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse23)) (.cse22 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse23))) (or (= (select .cse20 .cse3) 13) (<= (+ c_~N~0 4294967296) .cse21) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (not (= (select .cse20 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse22 1) (< .cse21 .cse4) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse22))))) (or .cse33 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse34 (let ((.cse43 (store .cse18 .cse32 v_ArrVal_1003))) (let ((.cse38 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse43))) (let ((.cse36 (let ((.cse42 (select .cse38 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse40 (select .cse42 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse41 (select .cse43 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse39 (store .cse42 .cse16 (+ .cse40 .cse41)))) (store .cse39 .cse11 (+ (select (select (store .cse38 |c_ULTIMATE.start_main_~b~0#1.base| .cse39) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse40 .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 ((.cse37 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse36 (+ .cse37 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse38 |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|))))))))) (.cse35 (+ (* |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 .cse34 .cse3) 13) (<= .cse4 .cse35) (not (= 1 (select .cse34 |c_ULTIMATE.start_main_~b~0#1.offset|))) (< .cse35 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))))))) (or (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse47 (let ((.cse56 (store (store .cse44 .cse57 .cse46) .cse32 v_ArrVal_1003))) (let ((.cse50 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse56))) (let ((.cse49 (let ((.cse55 (select .cse50 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse53 (select .cse55 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse54 (select .cse56 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse52 (store .cse55 .cse16 (+ .cse53 .cse54)))) (store .cse52 .cse11 (+ .cse53 .cse54 (select (select (store .cse50 |c_ULTIMATE.start_main_~b~0#1.base| .cse52) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (store .cse49 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse51 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select (select (store .cse50 |c_ULTIMATE.start_main_~b~0#1.base| .cse49) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse51 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse49 (+ .cse51 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))))) (.cse48 (+ (* |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|) (not (= (select .cse47 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse4 .cse48) (= (select .cse47 .cse3) 13) (< .cse48 .cse6)))) .cse58))) (not .cse60)) (or .cse60 (let ((.cse71 (+ (select .cse44 .cse93) 2))) (and (or .cse0 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse61 (let ((.cse70 (store (store .cse44 .cse45 .cse71) .cse19 v_ArrVal_1003))) (let ((.cse65 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse70))) (let ((.cse63 (let ((.cse69 (select .cse65 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse67 (select .cse69 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse68 (select .cse70 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse66 (store .cse69 .cse16 (+ .cse67 .cse68)))) (store .cse66 .cse11 (+ .cse67 .cse68 (select (select (store .cse65 |c_ULTIMATE.start_main_~b~0#1.base| .cse66) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13)))))))) (store .cse63 (+ (* 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 .cse63 (+ .cse64 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select (select (store .cse65 |c_ULTIMATE.start_main_~b~0#1.base| .cse63) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse64 |c_ULTIMATE.start_main_~a~0#1.offset|))))))))) (.cse62 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (not (= (select .cse61 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse4 .cse62) (= (select .cse61 .cse3) 13) (< .cse62 .cse6) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))) (or .cse58 (let ((.cse82 (store .cse44 .cse57 .cse71))) (and (or .cse33 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse72 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse73 (let ((.cse81 (store .cse82 .cse32 v_ArrVal_1003))) (let ((.cse75 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse81))) (let ((.cse74 (let ((.cse80 (select .cse75 |c_ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse78 (select .cse80 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse79 (select .cse81 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse77 (store .cse80 .cse16 (+ .cse78 .cse79)))) (store .cse77 .cse11 (+ .cse78 (select (select (store .cse75 |c_ULTIMATE.start_main_~b~0#1.base| .cse77) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse79))))))) (store .cse74 (+ (* 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 (select (store .cse75 |c_ULTIMATE.start_main_~b~0#1.base| .cse74) |c_ULTIMATE.start_main_~a~0#1.base|) (+ .cse76 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse74 (+ .cse76 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)))))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse4 .cse72) (= (select .cse73 .cse3) 13) (< .cse72 .cse6) (not (= (select .cse73 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)))))) (or .cse1 (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (v_ArrVal_1003 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse83 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse84 (let ((.cse92 (store .cse82 .cse19 v_ArrVal_1003))) (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 .cse16 (+ .cse89 .cse90)))) (store .cse88 .cse11 (+ (select (select (store .cse86 |c_ULTIMATE.start_main_~b~0#1.base| .cse88) |c_ULTIMATE.start_main_~a~0#1.base|) .cse13) .cse89 .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| (- 34359738368))) (select .cse85 (+ .cse87 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)))))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse4 .cse83) (= (select .cse84 .cse3) 13) (< .cse83 .cse6) (not (= (select .cse84 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)))))))))))))))) (not (< 3 c_~N~0)) (not (< .cse99 c_~N~0)))) (exists ((v_DerPreprocessor_32 Int)) (let ((.cse100 (select (store (store .cse44 .cse101 v_DerPreprocessor_32) .cse93 .cse59) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ 4294967294 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8))))) (and (= .cse100 2) (= (+ .cse100 2) .cse59)))) (= 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_~a~0#1.offset|) 1) (<= c_~N~0 2147483647) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (< |c_ULTIMATE.start_main_~i~0#1| (+ c_~N~0 1))))))) is different from true [2022-11-03 02:39:48,784 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse41 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse0 (< 3 c_~N~0)) (.cse61 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (and (<= c_~N~0 4) (or (not .cse0) (let ((.cse112 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse113 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse2 (<= .cse113 2147483647)) (.cse111 (* .cse113 8)) (.cse110 (* .cse112 8)) (.cse44 (<= .cse112 2147483647)) (.cse109 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse63 (<= .cse109 2147483647)) (.cse1 (not .cse44)) (.cse38 (+ .cse110 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse42 (+ .cse110 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse21 (+ .cse111 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse11 (+ c_~N~0 4294967296)) (.cse5 (+ c_~N~0 4294967295)) (.cse4 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse7 (+ c_~N~0 4294967294)) (.cse36 (+ .cse111 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse37 (not .cse2)) (.cse59 (+ .cse110 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse60 (+ .cse110 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse62 (* 8 .cse109))) (and (or (let ((.cse39 (select .cse41 (+ .cse62 |c_ULTIMATE.start_main_~b~0#1.offset|))) (.cse40 (select .cse61 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse62)))) (let ((.cse43 (+ .cse39 .cse40))) (and (or .cse1 (let ((.cse20 (store .cse41 .cse42 .cse43))) (let ((.cse22 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse20) |c_ULTIMATE.start_main_~a~0#1.base|) .cse38) .cse39 .cse40))) (and (or .cse2 (let ((.cse8 (store .cse20 .cse21 .cse22))) (let ((.cse10 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse8) |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|)) (.cse3 (store .cse8 (+ (* 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 .cse8 (+ .cse9 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse10 (+ .cse9 |c_ULTIMATE.start_main_~a~0#1.offset|))))))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select .cse3 .cse4) 13) (<= .cse5 .cse6) (< .cse6 .cse7) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (not (= (select .cse3 |c_ULTIMATE.start_main_~b~0#1.offset|) 1))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 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 ((.cse15 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse12 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse15)) (.cse14 (store .cse8 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse16 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse8 (+ .cse16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse10 (+ .cse16 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (.cse13 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse15))) (or (<= .cse11 .cse12) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse13 1) (< .cse12 .cse5) (= (select .cse14 .cse4) 13) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (not (= (select .cse14 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< 2147483648 .cse13))))) (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|)) (.cse17 (store .cse8 (+ (* 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 .cse8 (+ .cse19 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse10 (+ .cse19 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (not (= (select .cse17 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse5 .cse18) (< .cse18 .cse7) (= 13 (select .cse17 .cse4))))))))) (or (let ((.cse25 (store .cse20 .cse36 .cse22))) (let ((.cse27 (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 ((.cse23 (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 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse27 (+ .cse26 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (.cse24 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= 13 (select .cse23 .cse4)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (not (= (select .cse23 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= .cse5 .cse24) (< .cse24 .cse7) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 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 ((.cse31 (* |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| .cse31)) (.cse29 (store .cse25 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse32 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse27 (+ .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse25 (+ .cse32 |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (.cse30 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse31))) (or (<= .cse11 .cse28) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (= 13 (select .cse29 .cse4)) (< .cse30 1) (< .cse28 .cse5) (not (= (select .cse29 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse30))))) (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|)) (.cse33 (store .cse25 (+ (* 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 .cse27 (+ .cse35 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse25 (+ .cse35 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (not (= (select .cse33 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse5 .cse34) (< .cse34 .cse7) (= (select .cse33 .cse4) 13))))))) .cse37))))) (or .cse44 (let ((.cse47 (let ((.cse58 (store .cse41 .cse60 .cse43))) (store .cse58 .cse21 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse58) |c_ULTIMATE.start_main_~a~0#1.base|) .cse59) .cse39 .cse40))))) (let ((.cse49 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse47) |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 ((.cse46 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse45 (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 .cse49 (+ .cse48 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))))))) (or (not (= (select .cse45 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse5 .cse46) (< .cse46 .cse7) (= 13 (select .cse45 .cse4))))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse50 (store .cse47 (+ (* 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 .cse47 (+ .cse52 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse49 (+ .cse52 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (.cse51 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (not (= (select .cse50 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (= (select .cse50 .cse4) 13) (<= .cse5 .cse51) (< .cse51 .cse7) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 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 ((.cse56 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse53 (store .cse47 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse57 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse47 (+ .cse57 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse49 (+ .cse57 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (.cse54 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse56)) (.cse55 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse56))) (or (= (select .cse53 .cse4) 13) (<= .cse11 .cse54) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (not (= (select .cse53 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse55 1) (< .cse54 .cse5) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse55)))))))))))) (not .cse63)) (or .cse63 (let ((.cse78 (select .cse61 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse62))) (.cse79 (select .cse41 (+ (- 34359738368) .cse62 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (let ((.cse80 (+ .cse78 .cse79))) (and (or .cse1 (let ((.cse68 (let ((.cse77 (store .cse41 .cse42 .cse80))) (store .cse77 .cse36 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse77) |c_ULTIMATE.start_main_~a~0#1.base|) .cse38) .cse78 .cse79))))) (let ((.cse70 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse68) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 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))) (let ((.cse65 (store .cse68 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse69 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse68 (+ .cse69 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse70 (+ .cse69 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (.cse64 (+ (* |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 (<= .cse11 .cse64) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (not (= (select .cse65 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (= 13 (select .cse65 .cse4)) (< .cse66 1) (< .cse64 .cse5) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse66))))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse71 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse72 (store .cse68 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse73 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse70 (+ .cse73 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse68 (+ .cse73 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse5 .cse71) (< .cse71 .cse7) (= (select .cse72 .cse4) 13) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (not (= (select .cse72 |c_ULTIMATE.start_main_~b~0#1.offset|) 1))))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse74 (store .cse68 (+ (* 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 .cse68 (+ .cse76 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse70 (+ .cse76 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))) (.cse75 (+ (* |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|) (not (= (select .cse74 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (= (select .cse74 .cse4) 13) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse5 .cse75) (< .cse75 .cse7)))))))) (or .cse44 (let ((.cse94 (store .cse41 .cse60 .cse80))) (let ((.cse95 (+ .cse78 .cse79 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse94) |c_ULTIMATE.start_main_~a~0#1.base|) .cse59)))) (and (or .cse2 (let ((.cse83 (store .cse94 .cse21 .cse95))) (let ((.cse84 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse83) |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 ((.cse81 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse82 (store .cse83 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse85 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse84 (+ .cse85 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse83 (+ .cse85 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse5 .cse81) (< .cse81 .cse7) (not (= (select .cse82 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0) (= (select .cse82 .cse4) 13)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse87 (store .cse83 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse88 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse84 (+ .cse88 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse83 (+ .cse88 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (.cse86 (+ (* |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 .cse86) (= (select .cse87 .cse4) 13) (not (= (select .cse87 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse86 .cse7)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 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 ((.cse92 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse90 (store .cse83 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse93 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse84 (+ .cse93 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse83 (+ .cse93 |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (.cse89 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse92)) (.cse91 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse92))) (or (<= .cse11 .cse89) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (= 13 (select .cse90 .cse4)) (not (= (select .cse90 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse91 1) (< .cse89 .cse5) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse91))))))))) (or (let ((.cse100 (store .cse94 .cse36 .cse95))) (let ((.cse102 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse100) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 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 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse97 (store .cse100 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse101 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse100 (+ .cse101 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse102 (+ .cse101 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (.cse96 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse99)) (.cse98 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse99))) (or (<= .cse11 .cse96) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (not (= (select .cse97 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (= (select .cse97 .cse4) 13) (< .cse98 1) (< .cse96 .cse5) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse98))))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse103 (store .cse100 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse105 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse100 (+ .cse105 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse102 (+ .cse105 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))))) (.cse104 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (not (= (select .cse103 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse5 .cse104) (= 13 (select .cse103 .cse4)) (< .cse104 .cse7)))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse106 (store .cse100 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse108 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse102 (+ .cse108 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse100 (+ .cse108 |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (.cse107 (+ (* |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|) (not (= (select .cse106 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= .cse5 .cse107) (= (select .cse106 .cse4) 13) (< .cse107 .cse7) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0))))))) .cse37)))))))))))))) (= (select .cse61 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) 4) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= (select .cse41 |c_ULTIMATE.start_main_~a~0#1.offset|) 1) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= (select .cse61 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) 6) .cse0 (= 2 (select .cse61 |c_ULTIMATE.start_main_~a~0#1.offset|)) (= |c_ULTIMATE.start_main_~i~0#1| 1))) is different from true [2022-11-03 02:39:50,953 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse69 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse40 (* 8 .cse69))) (let ((.cse1 (* (mod (+ 4294967294 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8)) (.cse3 (select .cse0 (+ .cse40 |c_ULTIMATE.start_main_~b~0#1.offset|))) (.cse71 (< 3 c_~N~0)) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (and (<= c_~N~0 4) (= (select .cse0 (+ .cse1 |c_ULTIMATE.start_main_~b~0#1.offset|)) 1) (= (select .cse2 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) 4) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= 2 |c_ULTIMATE.start_main_~i~0#1|) (= .cse3 (+ (select .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse1)) 1)) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (or (let ((.cse70 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse68 (* .cse70 8)) (.cse24 (<= .cse70 2147483647))) (let ((.cse4 (<= .cse69 2147483647)) (.cse39 (not .cse24)) (.cse38 (+ .cse68 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse5 (+ c_~N~0 4294967296)) (.cse10 (+ c_~N~0 4294967295)) (.cse17 (+ c_~N~0 4294967294)) (.cse8 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse22 (+ .cse68 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or .cse4 (let ((.cse23 (+ (select .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse40)) (select .cse0 (+ (- 34359738368) .cse40 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or (let ((.cse12 (store .cse0 .cse22 .cse23))) (let ((.cse13 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse12) |c_ULTIMATE.start_main_~a~0#1.base|))) (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 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 ((.cse11 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse7 (store .cse12 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse14 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse13 (+ .cse14 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse12 (+ .cse14 |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (.cse6 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse11)) (.cse9 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse11))) (or (<= .cse5 .cse6) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (= (select .cse7 .cse8) 13) (not (= (select .cse7 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse9 1) (< .cse6 .cse10) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse9))))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse16 (store .cse12 (+ (* 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_~a~0#1.offset|)) (select .cse12 (+ .cse18 |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (.cse15 (+ (* |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|) (<= .cse10 .cse15) (= 13 (select .cse16 .cse8)) (not (= (select .cse16 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse15 .cse17) (< |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 ((.cse19 (store .cse12 (+ (* 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 .cse13 (+ .cse21 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse12 (+ .cse21 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (.cse20 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (not (= (select .cse19 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse10 .cse20) (= (select .cse19 .cse8) 13) (< .cse20 .cse17))))))) .cse24) (or (let ((.cse27 (store .cse0 .cse38 .cse23))) (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|)) (.cse25 (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|))))))) (or (not (= (select .cse25 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse10 .cse26) (< .cse26 .cse17) (= (select .cse25 .cse8) 13) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 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 ((.cse33 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse30 (store .cse27 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse34 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse27 (+ .cse34 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse28 (+ .cse34 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (.cse31 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse33)) (.cse32 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse33))) (or (= (select .cse30 .cse8) 13) (<= .cse5 .cse31) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (not (= (select .cse30 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse32 1) (< .cse31 .cse10) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse32))))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse35 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse36 (store .cse27 (+ (* 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 .cse28 (+ .cse37 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse27 (+ .cse37 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse10 .cse35) (= (select .cse36 .cse8) 13) (< .cse35 .cse17) (not (= (select .cse36 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)))))))) .cse39)))) (or (not .cse4) (let ((.cse54 (+ .cse3 (select .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse40))))) (and (or .cse39 (let ((.cse43 (store .cse0 .cse38 .cse54))) (let ((.cse44 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse43) |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 ((.cse41 (store .cse43 (+ (* 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 .cse44 (+ .cse45 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse43 (+ .cse45 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (.cse42 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select .cse41 .cse8) 13) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse10 .cse42) (not (= (select .cse41 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse42 .cse17)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 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 ((.cse49 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse47 (store .cse43 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse50 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse43 (+ .cse50 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse44 (+ .cse50 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (.cse46 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse49)) (.cse48 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse49))) (or (<= .cse5 .cse46) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (= (select .cse47 .cse8) 13) (not (= (select .cse47 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse48 1) (< .cse46 .cse10) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse48))))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse51 (store .cse43 (+ (* 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 .cse43 (+ .cse53 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse44 (+ .cse53 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (.cse52 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|))) (or (= (select .cse51 .cse8) 13) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse10 .cse52) (not (= (select .cse51 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< .cse52 .cse17) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))))))) (or (let ((.cse57 (store .cse0 .cse22 .cse54))) (let ((.cse58 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse57) |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 ((.cse56 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_ULTIMATE.start_main_~i~0#1_60|)) (.cse55 (store .cse57 (+ (* 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_~a~0#1.offset|)) (select .cse57 (+ .cse59 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (not (= (select .cse55 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= .cse10 .cse56) (< .cse56 .cse17) (= (select .cse55 .cse8) 13) (< |aux_mod_ULTIMATE.start_main_~i~0#1_60| 0)))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 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 ((.cse64 (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296))) (let ((.cse60 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_60| 4294967296) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse64)) (.cse61 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse64)) (.cse62 (store .cse57 (+ (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse63 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse58 (+ .cse63 |c_ULTIMATE.start_main_~a~0#1.offset|)) (select .cse57 (+ .cse63 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (<= .cse5 .cse60) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse61 1) (< .cse60 .cse10) (not (= (select .cse62 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse61) (= (select .cse62 .cse8) 13))))) (forall ((|aux_mod_ULTIMATE.start_main_~i~0#1_60| 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|)) (.cse65 (store .cse57 (+ (* 8 (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_60| 1) 4294967296)) |c_ULTIMATE.start_main_~b~0#1.offset|) (let ((.cse67 (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_60| 4294967296) 8))) (+ (select .cse58 (+ .cse67 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (select .cse57 (+ .cse67 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (not (= (select .cse65 |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_60|) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_60| 2147483647) (<= .cse10 .cse66) (< .cse66 .cse17) (= 13 (select .cse65 .cse8)))))))) .cse24)))))))) (not .cse71)) (= (select .cse2 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) 6) .cse71 (= 2 (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) is different from true [2022-11-03 02:39:52,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:39:52,744 INFO L93 Difference]: Finished difference Result 121 states and 142 transitions. [2022-11-03 02:39:52,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-03 02:39:52,744 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 31 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 [2022-11-03 02:39:52,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:39:52,745 INFO L225 Difference]: With dead ends: 121 [2022-11-03 02:39:52,745 INFO L226 Difference]: Without dead ends: 104 [2022-11-03 02:39:52,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 49.7s TimeCoverageRelationStatistics Valid=221, Invalid=994, Unknown=11, NotChecked=666, Total=1892 [2022-11-03 02:39:52,746 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 86 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:39:52,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 19 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 50 Invalid, 0 Unknown, 86 Unchecked, 0.5s Time] [2022-11-03 02:39:52,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-03 02:39:52,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-11-03 02:39:52,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.2135922330097086) internal successors, (125), 103 states have internal predecessors, (125), 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) [2022-11-03 02:39:52,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 125 transitions. [2022-11-03 02:39:52,803 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 125 transitions. Word has length 22 [2022-11-03 02:39:52,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:39:52,803 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 125 transitions. [2022-11-03 02:39:52,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 31 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) [2022-11-03 02:39:52,803 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 125 transitions. [2022-11-03 02:39:52,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 02:39:52,804 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:39:52,804 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:39:52,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-11-03 02:39:53,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:39:53,006 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:39:53,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:39:53,007 INFO L85 PathProgramCache]: Analyzing trace with hash -308755462, now seen corresponding path program 9 times [2022-11-03 02:39:53,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:39:53,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211663444] [2022-11-03 02:39:53,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:39:53,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:39:53,031 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:39:53,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [108616231] [2022-11-03 02:39:53,032 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 02:39:53,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:39:53,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:39:53,033 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:39:53,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74f4426-46ab-4cb9-85f2-2707813b1998/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-11-03 02:39:57,012 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 02:39:57,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:39:57,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 74 conjunts are in the unsatisfiable core [2022-11-03 02:39:57,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:39:57,072 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-03 02:39:57,072 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:57,120 INFO L356 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2022-11-03 02:39:57,120 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:57,130 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:57,162 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 6 [2022-11-03 02:39:57,178 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:57,200 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:57,247 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:57,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:57,300 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:39:57,300 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:57,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:57,345 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:39:57,345 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:57,417 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:39:57,417 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:57,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:57,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:57,428 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:57,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:57,499 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:39:57,499 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:57,566 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:39:57,566 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:57,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:57,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:57,574 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:57,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:57,655 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:39:57,655 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:57,742 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:39:57,742 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:57,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:57,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:39:57,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:57,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:57,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:57,755 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:57,820 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:39:57,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:57,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:57,928 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:39:57,928 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:58,038 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:39:58,038 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 91 treesize of output 81 [2022-11-03 02:39:58,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:58,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:58,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:58,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:58,049 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 72 treesize of output 139 [2022-11-03 02:39:58,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:58,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:58,169 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:39:58,170 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:58,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:58,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:58,265 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:39:58,266 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:58,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:58,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:39:58,354 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 02:39:58,354 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:39:58,665 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:39:58,665 INFO L328 TraceCheckSpWp]: Computing backward predicates...