./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invariants/linear-inequality-inv-a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-invariants/linear-inequality-inv-a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba --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 e6ceef81d5d5c6ec4b435ae3bf6300a70928e11f3a8c1d376463323495e50f12 --- 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-b5237d8 [2022-11-22 01:29:22,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:29:22,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:29:22,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:29:22,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:29:22,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:29:22,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:29:22,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:29:22,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:29:22,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:29:22,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:29:22,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:29:22,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:29:22,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:29:22,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:29:22,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:29:22,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:29:22,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:29:22,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:29:22,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:29:22,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:29:22,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:29:22,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:29:22,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:29:22,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:29:22,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:29:22,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:29:22,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:29:22,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:29:22,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:29:22,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:29:22,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:29:22,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:29:22,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:29:22,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:29:22,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:29:22,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:29:22,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:29:22,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:29:22,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:29:22,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:29:22,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-22 01:29:22,207 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:29:22,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:29:22,213 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:29:22,213 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:29:22,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:29:22,214 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:29:22,214 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:29:22,215 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:29:22,215 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:29:22,215 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:29:22,216 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:29:22,216 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:29:22,217 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:29:22,217 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:29:22,217 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:29:22,217 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:29:22,218 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:29:22,218 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:29:22,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:29:22,219 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:29:22,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:29:22,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:29:22,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:29:22,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:29:22,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:29:22,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:29:22,221 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:29:22,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:29:22,221 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:29:22,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:29:22,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:29:22,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:29:22,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:29:22,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:29:22,223 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:29:22,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:29:22,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:29:22,223 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:29:22,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:29:22,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:29:22,224 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:29:22,226 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_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6ceef81d5d5c6ec4b435ae3bf6300a70928e11f3a8c1d376463323495e50f12 [2022-11-22 01:29:22,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:29:22,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:29:22,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:29:22,538 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:29:22,538 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:29:22,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/loop-invariants/linear-inequality-inv-a.c [2022-11-22 01:29:25,470 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:29:25,731 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:29:25,732 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/sv-benchmarks/c/loop-invariants/linear-inequality-inv-a.c [2022-11-22 01:29:25,738 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/data/d7849152f/049d43338c8b43e6a6ae60cc093f646b/FLAG3a3a3f8b9 [2022-11-22 01:29:25,753 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/data/d7849152f/049d43338c8b43e6a6ae60cc093f646b [2022-11-22 01:29:25,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:29:25,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:29:25,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:29:25,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:29:25,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:29:25,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:29:25" (1/1) ... [2022-11-22 01:29:25,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50541ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:29:25, skipping insertion in model container [2022-11-22 01:29:25,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:29:25" (1/1) ... [2022-11-22 01:29:25,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:29:25,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:29:25,934 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/sv-benchmarks/c/loop-invariants/linear-inequality-inv-a.c[557,570] [2022-11-22 01:29:25,942 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/sv-benchmarks/c/loop-invariants/linear-inequality-inv-a.c[613,626] [2022-11-22 01:29:25,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:29:25,958 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:29:25,975 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/sv-benchmarks/c/loop-invariants/linear-inequality-inv-a.c[557,570] [2022-11-22 01:29:25,976 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/sv-benchmarks/c/loop-invariants/linear-inequality-inv-a.c[613,626] [2022-11-22 01:29:25,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:29:25,990 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:29:25,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:29:25 WrapperNode [2022-11-22 01:29:25,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:29:25,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:29:25,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:29:25,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:29:26,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:29:25" (1/1) ... [2022-11-22 01:29:26,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:29:25" (1/1) ... [2022-11-22 01:29:26,023 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-11-22 01:29:26,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:29:26,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:29:26,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:29:26,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:29:26,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:29:25" (1/1) ... [2022-11-22 01:29:26,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:29:25" (1/1) ... [2022-11-22 01:29:26,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:29:25" (1/1) ... [2022-11-22 01:29:26,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:29:25" (1/1) ... [2022-11-22 01:29:26,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:29:25" (1/1) ... [2022-11-22 01:29:26,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:29:25" (1/1) ... [2022-11-22 01:29:26,052 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:29:25" (1/1) ... [2022-11-22 01:29:26,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:29:25" (1/1) ... [2022-11-22 01:29:26,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:29:26,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:29:26,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:29:26,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:29:26,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:29:25" (1/1) ... [2022-11-22 01:29:26,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:29:26,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:29:26,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:29:26,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:29:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:29:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:29:26,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:29:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:29:26,222 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:29:26,224 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:29:26,402 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:29:26,419 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:29:26,430 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 01:29:26,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:29:26 BoogieIcfgContainer [2022-11-22 01:29:26,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:29:26,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:29:26,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:29:26,439 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:29:26,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:29:25" (1/3) ... [2022-11-22 01:29:26,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c11638c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:29:26, skipping insertion in model container [2022-11-22 01:29:26,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:29:25" (2/3) ... [2022-11-22 01:29:26,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c11638c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:29:26, skipping insertion in model container [2022-11-22 01:29:26,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:29:26" (3/3) ... [2022-11-22 01:29:26,457 INFO L112 eAbstractionObserver]: Analyzing ICFG linear-inequality-inv-a.c [2022-11-22 01:29:26,476 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:29:26,476 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-22 01:29:26,522 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:29:26,529 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;@7ac0e554, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:29:26,529 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-22 01:29:26,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 8 states have (on average 1.75) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:29:26,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 01:29:26,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:29:26,541 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 01:29:26,541 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:29:26,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:29:26,547 INFO L85 PathProgramCache]: Analyzing trace with hash 63046149, now seen corresponding path program 1 times [2022-11-22 01:29:26,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:29:26,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87318695] [2022-11-22 01:29:26,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:29:26,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:29:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:29:26,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:26,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:29:26,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87318695] [2022-11-22 01:29:26,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87318695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:29:26,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:29:26,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:29:26,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436542717] [2022-11-22 01:29:26,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:29:27,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:29:27,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:29:27,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:29:27,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:29:27,069 INFO L87 Difference]: Start difference. First operand has 11 states, 8 states have (on average 1.75) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-22 01:29:27,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:29:27,116 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2022-11-22 01:29:27,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:29:27,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2022-11-22 01:29:27,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:29:27,126 INFO L225 Difference]: With dead ends: 20 [2022-11-22 01:29:27,126 INFO L226 Difference]: Without dead ends: 10 [2022-11-22 01:29:27,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:29:27,135 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:29:27,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:29:27,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-11-22 01:29:27,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-22 01:29:27,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 1.25) internal successors, (10), 9 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) [2022-11-22 01:29:27,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2022-11-22 01:29:27,170 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2022-11-22 01:29:27,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:29:27,171 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2022-11-22 01:29:27,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-22 01:29:27,171 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2022-11-22 01:29:27,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 01:29:27,172 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:29:27,172 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-22 01:29:27,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:29:27,173 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:29:27,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:29:27,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1953761755, now seen corresponding path program 1 times [2022-11-22 01:29:27,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:29:27,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323811073] [2022-11-22 01:29:27,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:29:27,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:29:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:29:27,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:27,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:29:27,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323811073] [2022-11-22 01:29:27,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323811073] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:29:27,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775392831] [2022-11-22 01:29:27,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:29:27,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:29:27,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:29:27,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:29:27,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:29:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:29:27,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:29:27,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:29:27,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:27,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:29:27,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:27,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775392831] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:29:27,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [188579370] [2022-11-22 01:29:27,657 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2022-11-22 01:29:27,658 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:29:27,661 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:29:27,673 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:29:27,674 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:29:27,978 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:29:28,114 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '90#(and (not (< (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (mod (mod |ULTIMATE.start_main_~n~0#1| 256) 4294967296))) (<= 0 |ULTIMATE.start_main_~i~0#1|) (< (mod |ULTIMATE.start_main_~s~0#1| 4294967296) (mod (mod |ULTIMATE.start_main_~v~0#1| 256) 4294967296)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-22 01:29:28,115 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:29:28,115 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:29:28,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-22 01:29:28,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159206968] [2022-11-22 01:29:28,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:29:28,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-22 01:29:28,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:29:28,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-22 01:29:28,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-22 01:29:28,118 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 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) [2022-11-22 01:29:28,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:29:28,255 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2022-11-22 01:29:28,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 01:29:28,256 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 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 6 [2022-11-22 01:29:28,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:29:28,256 INFO L225 Difference]: With dead ends: 27 [2022-11-22 01:29:28,256 INFO L226 Difference]: Without dead ends: 21 [2022-11-22 01:29:28,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2022-11-22 01:29:28,260 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 24 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:29:28,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 10 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:29:28,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-22 01:29:28,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 14. [2022-11-22 01:29:28,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 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) [2022-11-22 01:29:28,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2022-11-22 01:29:28,266 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 6 [2022-11-22 01:29:28,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:29:28,266 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-11-22 01:29:28,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 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) [2022-11-22 01:29:28,266 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-11-22 01:29:28,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 01:29:28,267 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:29:28,267 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-22 01:29:28,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 01:29:28,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-22 01:29:28,468 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:29:28,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:29:28,469 INFO L85 PathProgramCache]: Analyzing trace with hash 643607479, now seen corresponding path program 1 times [2022-11-22 01:29:28,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:29:28,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881796930] [2022-11-22 01:29:28,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:29:28,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:29:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:29:28,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:28,616 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:29:28,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881796930] [2022-11-22 01:29:28,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881796930] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:29:28,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926676746] [2022-11-22 01:29:28,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:29:28,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:29:28,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:29:28,619 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:29:28,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:29:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:29:28,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-22 01:29:28,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:29:28,725 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:28,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:29:28,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:28,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926676746] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:29:28,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1288775864] [2022-11-22 01:29:28,795 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-11-22 01:29:28,795 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:29:28,796 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:29:28,796 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:29:28,796 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:29:28,930 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:29:29,087 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '199#(and (not (< (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (mod (mod |ULTIMATE.start_main_~n~0#1| 256) 4294967296))) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) (< 65025 (mod |ULTIMATE.start_main_~s~0#1| 4294967296)) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-22 01:29:29,087 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:29:29,087 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:29:29,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2022-11-22 01:29:29,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856981297] [2022-11-22 01:29:29,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:29:29,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 01:29:29,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:29:29,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 01:29:29,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2022-11-22 01:29:29,089 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:29:29,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:29:29,180 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2022-11-22 01:29:29,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 01:29:29,181 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-22 01:29:29,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:29:29,181 INFO L225 Difference]: With dead ends: 25 [2022-11-22 01:29:29,181 INFO L226 Difference]: Without dead ends: 17 [2022-11-22 01:29:29,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2022-11-22 01:29:29,183 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 7 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:29:29,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 9 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:29:29,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-22 01:29:29,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2022-11-22 01:29:29,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 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) [2022-11-22 01:29:29,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-11-22 01:29:29,189 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 8 [2022-11-22 01:29:29,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:29:29,189 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-11-22 01:29:29,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:29:29,190 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-11-22 01:29:29,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 01:29:29,190 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:29:29,191 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1] [2022-11-22 01:29:29,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 01:29:29,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:29:29,391 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:29:29,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:29:29,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1544534139, now seen corresponding path program 2 times [2022-11-22 01:29:29,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:29:29,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321928280] [2022-11-22 01:29:29,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:29:29,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:29:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:29:29,629 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:29,629 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:29:29,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321928280] [2022-11-22 01:29:29,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321928280] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:29:29,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872998805] [2022-11-22 01:29:29,630 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 01:29:29,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:29:29,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:29:29,631 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:29:29,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 01:29:29,708 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-22 01:29:29,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:29:29,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-22 01:29:29,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:29:29,951 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:29,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:29:30,122 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:30,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872998805] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:29:30,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1785008220] [2022-11-22 01:29:30,125 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2022-11-22 01:29:30,126 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:29:30,126 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:29:30,126 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:29:30,127 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:29:30,221 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:29:30,361 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '320#(and (not (< (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (mod (mod |ULTIMATE.start_main_~n~0#1| 256) 4294967296))) (<= 0 |ULTIMATE.start_main_~i~0#1|) (< (mod |ULTIMATE.start_main_~s~0#1| 4294967296) (mod (mod |ULTIMATE.start_main_~v~0#1| 256) 4294967296)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-22 01:29:30,361 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:29:30,361 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:29:30,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-11-22 01:29:30,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409642174] [2022-11-22 01:29:30,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:29:30,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-22 01:29:30,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:29:30,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-22 01:29:30,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-11-22 01:29:30,363 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 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) [2022-11-22 01:29:30,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:29:30,735 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2022-11-22 01:29:30,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-22 01:29:30,736 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 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 9 [2022-11-22 01:29:30,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:29:30,736 INFO L225 Difference]: With dead ends: 39 [2022-11-22 01:29:30,736 INFO L226 Difference]: Without dead ends: 35 [2022-11-22 01:29:30,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=177, Invalid=423, Unknown=0, NotChecked=0, Total=600 [2022-11-22 01:29:30,738 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 36 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:29:30,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 15 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:29:30,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-22 01:29:30,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 20. [2022-11-22 01:29:30,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 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) [2022-11-22 01:29:30,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2022-11-22 01:29:30,747 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 9 [2022-11-22 01:29:30,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:29:30,747 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-11-22 01:29:30,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 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) [2022-11-22 01:29:30,748 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-11-22 01:29:30,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:29:30,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:29:30,749 INFO L195 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1] [2022-11-22 01:29:30,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-22 01:29:30,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:29:30,954 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:29:30,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:29:30,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1895401929, now seen corresponding path program 2 times [2022-11-22 01:29:30,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:29:30,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943819040] [2022-11-22 01:29:30,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:29:30,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:29:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:29:31,218 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:31,219 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:29:31,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943819040] [2022-11-22 01:29:31,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943819040] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:29:31,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88084712] [2022-11-22 01:29:31,219 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 01:29:31,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:29:31,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:29:31,221 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:29:31,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 01:29:31,290 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-22 01:29:31,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:29:31,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-22 01:29:31,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:29:31,428 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:31,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:29:31,663 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:31,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88084712] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:29:31,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1092989347] [2022-11-22 01:29:31,665 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-11-22 01:29:31,665 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:29:31,666 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:29:31,666 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:29:31,666 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:29:31,740 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:29:31,896 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '503#(and (not (< (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (mod (mod |ULTIMATE.start_main_~n~0#1| 256) 4294967296))) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) (< 65025 (mod |ULTIMATE.start_main_~s~0#1| 4294967296)) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-22 01:29:31,896 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:29:31,896 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:29:31,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2022-11-22 01:29:31,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969153361] [2022-11-22 01:29:31,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:29:31,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-22 01:29:31,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:29:31,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-22 01:29:31,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=284, Unknown=0, NotChecked=0, Total=420 [2022-11-22 01:29:31,898 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:29:32,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:29:32,056 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2022-11-22 01:29:32,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-22 01:29:32,057 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-22 01:29:32,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:29:32,059 INFO L225 Difference]: With dead ends: 41 [2022-11-22 01:29:32,059 INFO L226 Difference]: Without dead ends: 27 [2022-11-22 01:29:32,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 22 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=136, Invalid=284, Unknown=0, NotChecked=0, Total=420 [2022-11-22 01:29:32,060 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 38 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:29:32,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 11 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:29:32,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-22 01:29:32,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2022-11-22 01:29:32,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:29:32,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2022-11-22 01:29:32,070 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 12 [2022-11-22 01:29:32,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:29:32,071 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2022-11-22 01:29:32,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:29:32,071 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-11-22 01:29:32,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:29:32,072 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:29:32,072 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1] [2022-11-22 01:29:32,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-22 01:29:32,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:29:32,277 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:29:32,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:29:32,278 INFO L85 PathProgramCache]: Analyzing trace with hash 779749317, now seen corresponding path program 3 times [2022-11-22 01:29:32,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:29:32,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487506842] [2022-11-22 01:29:32,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:29:32,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:29:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:29:32,765 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:32,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:29:32,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487506842] [2022-11-22 01:29:32,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487506842] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:29:32,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208721489] [2022-11-22 01:29:32,766 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-22 01:29:32,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:29:32,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:29:32,767 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:29:32,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 01:29:32,916 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-22 01:29:32,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:29:32,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-22 01:29:32,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:29:33,176 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:33,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:29:33,651 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:33,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208721489] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:29:33,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1639313081] [2022-11-22 01:29:33,653 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2022-11-22 01:29:33,653 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:29:33,653 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:29:33,654 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:29:33,654 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:29:33,725 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:29:33,929 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '712#(and (not (< (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (mod (mod |ULTIMATE.start_main_~n~0#1| 256) 4294967296))) (<= 0 |ULTIMATE.start_main_~i~0#1|) (< (mod |ULTIMATE.start_main_~s~0#1| 4294967296) (mod (mod |ULTIMATE.start_main_~v~0#1| 256) 4294967296)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-22 01:29:33,929 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:29:33,929 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:29:33,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2022-11-22 01:29:33,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813557376] [2022-11-22 01:29:33,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:29:33,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-22 01:29:33,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:29:33,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-22 01:29:33,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=541, Unknown=0, NotChecked=0, Total=812 [2022-11-22 01:29:33,932 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 25 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) [2022-11-22 01:29:34,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:29:34,926 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2022-11-22 01:29:34,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-22 01:29:34,927 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.24) internal successors, (31), 25 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 15 [2022-11-22 01:29:34,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:29:34,928 INFO L225 Difference]: With dead ends: 69 [2022-11-22 01:29:34,928 INFO L226 Difference]: Without dead ends: 63 [2022-11-22 01:29:34,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=771, Invalid=1581, Unknown=0, NotChecked=0, Total=2352 [2022-11-22 01:29:34,930 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 98 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:29:34,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 20 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 01:29:34,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-22 01:29:34,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 32. [2022-11-22 01:29:34,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:29:34,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. [2022-11-22 01:29:34,945 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 40 transitions. Word has length 15 [2022-11-22 01:29:34,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:29:34,945 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 40 transitions. [2022-11-22 01:29:34,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.24) internal successors, (31), 25 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) [2022-11-22 01:29:34,945 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-11-22 01:29:34,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-22 01:29:34,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:29:34,946 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1] [2022-11-22 01:29:34,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-22 01:29:35,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:29:35,152 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:29:35,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:29:35,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1916685111, now seen corresponding path program 3 times [2022-11-22 01:29:35,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:29:35,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911939354] [2022-11-22 01:29:35,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:29:35,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:29:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:29:35,930 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:35,930 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:29:35,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911939354] [2022-11-22 01:29:35,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911939354] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:29:35,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921042043] [2022-11-22 01:29:35,931 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-22 01:29:35,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:29:35,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:29:35,935 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:29:35,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-22 01:29:36,684 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-22 01:29:36,684 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:29:36,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-22 01:29:36,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:29:36,966 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:36,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:29:37,814 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:37,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921042043] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:29:37,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2791955] [2022-11-22 01:29:37,816 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-11-22 01:29:37,816 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:29:37,816 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:29:37,816 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:29:37,816 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:29:37,894 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:29:38,084 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1049#(and (not (< (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (mod (mod |ULTIMATE.start_main_~n~0#1| 256) 4294967296))) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) (< 65025 (mod |ULTIMATE.start_main_~s~0#1| 4294967296)) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-22 01:29:38,084 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:29:38,084 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:29:38,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 32 [2022-11-22 01:29:38,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241983152] [2022-11-22 01:29:38,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:29:38,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-11-22 01:29:38,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:29:38,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-11-22 01:29:38,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=512, Invalid=820, Unknown=0, NotChecked=0, Total=1332 [2022-11-22 01:29:38,087 INFO L87 Difference]: Start difference. First operand 32 states and 40 transitions. Second operand has 32 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:29:38,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:29:38,538 INFO L93 Difference]: Finished difference Result 73 states and 96 transitions. [2022-11-22 01:29:38,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-22 01:29:38,538 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-22 01:29:38,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:29:38,539 INFO L225 Difference]: With dead ends: 73 [2022-11-22 01:29:38,539 INFO L226 Difference]: Without dead ends: 47 [2022-11-22 01:29:38,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 38 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=512, Invalid=820, Unknown=0, NotChecked=0, Total=1332 [2022-11-22 01:29:38,541 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 67 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:29:38,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 11 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 01:29:38,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-22 01:29:38,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 40. [2022-11-22 01:29:38,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 38 states have (on average 1.263157894736842) internal successors, (48), 39 states have internal predecessors, (48), 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) [2022-11-22 01:29:38,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2022-11-22 01:29:38,561 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 20 [2022-11-22 01:29:38,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:29:38,561 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2022-11-22 01:29:38,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:29:38,561 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2022-11-22 01:29:38,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-22 01:29:38,563 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:29:38,563 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1] [2022-11-22 01:29:38,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-22 01:29:38,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-22 01:29:38,769 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:29:38,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:29:38,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1091700667, now seen corresponding path program 4 times [2022-11-22 01:29:38,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:29:38,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888856455] [2022-11-22 01:29:38,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:29:38,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:29:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:29:40,240 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:40,240 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:29:40,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888856455] [2022-11-22 01:29:40,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888856455] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:29:40,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742023519] [2022-11-22 01:29:40,241 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-22 01:29:40,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:29:40,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:29:40,242 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:29:40,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-22 01:29:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:29:40,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-22 01:29:40,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:29:40,755 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:40,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:29:42,381 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:42,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742023519] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:29:42,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [807365494] [2022-11-22 01:29:42,383 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2022-11-22 01:29:42,384 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:29:42,384 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:29:42,384 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:29:42,384 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:29:42,443 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:29:42,715 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1434#(and (not (< (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (mod (mod |ULTIMATE.start_main_~n~0#1| 256) 4294967296))) (<= 0 |ULTIMATE.start_main_~i~0#1|) (< (mod |ULTIMATE.start_main_~s~0#1| 4294967296) (mod (mod |ULTIMATE.start_main_~v~0#1| 256) 4294967296)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-22 01:29:42,715 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:29:42,715 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:29:42,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 49 [2022-11-22 01:29:42,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902361251] [2022-11-22 01:29:42,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:29:42,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-11-22 01:29:42,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:29:42,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-11-22 01:29:42,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1099, Invalid=1657, Unknown=0, NotChecked=0, Total=2756 [2022-11-22 01:29:42,719 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand has 49 states, 49 states have (on average 1.1224489795918366) internal successors, (55), 49 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) [2022-11-22 01:29:45,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:29:45,440 INFO L93 Difference]: Finished difference Result 129 states and 152 transitions. [2022-11-22 01:29:45,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-11-22 01:29:45,440 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 1.1224489795918366) internal successors, (55), 49 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) Word has length 27 [2022-11-22 01:29:45,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:29:45,441 INFO L225 Difference]: With dead ends: 129 [2022-11-22 01:29:45,441 INFO L226 Difference]: Without dead ends: 119 [2022-11-22 01:29:45,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2080 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=3255, Invalid=6057, Unknown=0, NotChecked=0, Total=9312 [2022-11-22 01:29:45,446 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 258 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:29:45,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 30 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 01:29:45,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-11-22 01:29:45,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 56. [2022-11-22 01:29:45,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 55 states have internal predecessors, (72), 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) [2022-11-22 01:29:45,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 72 transitions. [2022-11-22 01:29:45,480 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 72 transitions. Word has length 27 [2022-11-22 01:29:45,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:29:45,481 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 72 transitions. [2022-11-22 01:29:45,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.1224489795918366) internal successors, (55), 49 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) [2022-11-22 01:29:45,481 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2022-11-22 01:29:45,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-22 01:29:45,482 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:29:45,482 INFO L195 NwaCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1] [2022-11-22 01:29:45,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-22 01:29:45,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-22 01:29:45,687 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:29:45,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:29:45,688 INFO L85 PathProgramCache]: Analyzing trace with hash 163509559, now seen corresponding path program 4 times [2022-11-22 01:29:45,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:29:45,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395968361] [2022-11-22 01:29:45,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:29:45,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:29:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:29:47,712 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:47,712 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:29:47,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395968361] [2022-11-22 01:29:47,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395968361] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:29:47,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348075326] [2022-11-22 01:29:47,713 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-22 01:29:47,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:29:47,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:29:47,715 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:29:47,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-22 01:29:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:29:47,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 63 conjunts are in the unsatisfiable core [2022-11-22 01:29:47,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:29:48,144 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:48,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:29:53,293 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:53,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348075326] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:29:53,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [515702055] [2022-11-22 01:29:53,296 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-11-22 01:29:53,296 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:29:53,296 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:29:53,297 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:29:53,297 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:29:53,373 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:29:53,651 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2079#(and (not (< (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (mod (mod |ULTIMATE.start_main_~n~0#1| 256) 4294967296))) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) (< 65025 (mod |ULTIMATE.start_main_~s~0#1| 4294967296)) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-22 01:29:53,652 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:29:53,652 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:29:53,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 64 [2022-11-22 01:29:53,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136901951] [2022-11-22 01:29:53,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:29:53,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2022-11-22 01:29:53,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:29:53,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2022-11-22 01:29:53,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2032, Invalid=2660, Unknown=0, NotChecked=0, Total=4692 [2022-11-22 01:29:53,656 INFO L87 Difference]: Start difference. First operand 56 states and 72 transitions. Second operand has 64 states, 64 states have (on average 1.09375) internal successors, (70), 64 states have internal predecessors, (70), 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) [2022-11-22 01:29:54,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:29:54,733 INFO L93 Difference]: Finished difference Result 137 states and 184 transitions. [2022-11-22 01:29:54,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-11-22 01:29:54,734 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 64 states have (on average 1.09375) internal successors, (70), 64 states have internal predecessors, (70), 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 36 [2022-11-22 01:29:54,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:29:54,735 INFO L225 Difference]: With dead ends: 137 [2022-11-22 01:29:54,735 INFO L226 Difference]: Without dead ends: 87 [2022-11-22 01:29:54,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 70 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=2032, Invalid=2660, Unknown=0, NotChecked=0, Total=4692 [2022-11-22 01:29:54,737 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 156 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:29:54,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 14 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-22 01:29:54,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-11-22 01:29:54,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 72. [2022-11-22 01:29:54,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 70 states have (on average 1.2571428571428571) internal successors, (88), 71 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:29:54,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 88 transitions. [2022-11-22 01:29:54,761 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 88 transitions. Word has length 36 [2022-11-22 01:29:54,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:29:54,761 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 88 transitions. [2022-11-22 01:29:54,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 1.09375) internal successors, (70), 64 states have internal predecessors, (70), 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) [2022-11-22 01:29:54,761 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 88 transitions. [2022-11-22 01:29:54,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-22 01:29:54,762 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:29:54,763 INFO L195 NwaCegarLoop]: trace histogram [46, 1, 1, 1, 1, 1] [2022-11-22 01:29:54,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-22 01:29:54,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:29:54,968 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:29:54,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:29:54,969 INFO L85 PathProgramCache]: Analyzing trace with hash -632841915, now seen corresponding path program 5 times [2022-11-22 01:29:54,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:29:54,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200535183] [2022-11-22 01:29:54,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:29:54,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:29:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:29:59,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:29:59,221 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:29:59,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200535183] [2022-11-22 01:29:59,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200535183] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:29:59,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082489724] [2022-11-22 01:29:59,221 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 01:29:59,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:29:59,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:29:59,224 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:29:59,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a58f1a9-ecce-43d7-bb24-9d61cf405a1e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-22 01:30:21,180 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2022-11-22 01:30:21,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:30:21,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 95 conjunts are in the unsatisfiable core [2022-11-22 01:30:21,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:30:21,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:30:21,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:37:07,754 WARN L837 $PredicateComparison]: unable to prove that (forall ((|aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44| Int)) (or (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44|) (let ((.cse0 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44|)) (.cse1 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44|)) (.cse2 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44|)) (.cse3 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44|)) (.cse4 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44|)) (.cse5 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44|)) (.cse6 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44|)) (.cse7 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44|)) (.cse8 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44|)) (.cse9 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44|)) (.cse10 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44|)) (.cse11 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44|)) (.cse12 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44|)) (.cse13 (* 4294967295 |c_ULTIMATE.start_main_~s~0#1|)) (.cse14 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44|)) (.cse15 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44|)) (.cse16 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44|)) (.cse17 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44|)) (.cse18 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44|))) (< (+ 255 (* (div (+ (- 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) 4294967296) 4294967296)) (+ .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18))) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44| 256))) is different from false [2022-11-22 01:38:10,841 WARN L837 $PredicateComparison]: unable to prove that (forall ((|aux_mod_v_ULTIMATE.start_main_~v~0#1_140_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_141_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44| Int)) (or (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_141_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_140_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_141_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_140_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44| 256) (let ((.cse0 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_141_44|)) (.cse1 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44|)) (.cse2 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44|)) (.cse3 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44|)) (.cse4 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44|)) (.cse5 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44|)) (.cse6 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44|)) (.cse7 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44|)) (.cse8 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44|)) (.cse9 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_140_44|)) (.cse10 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44|)) (.cse11 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44|)) (.cse12 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44|)) (.cse13 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44|)) (.cse14 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44|)) (.cse15 (* 4294967295 |c_ULTIMATE.start_main_~s~0#1|)) (.cse16 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44|)) (.cse17 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44|)) (.cse18 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44|)) (.cse19 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44|)) (.cse20 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44|))) (< (+ 255 (* 4294967296 (div (+ .cse0 (- 1) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20) 4294967296))) (+ .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20))) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44| 256))) is different from false [2022-11-22 01:39:13,489 WARN L837 $PredicateComparison]: unable to prove that (forall ((|aux_mod_v_ULTIMATE.start_main_~v~0#1_140_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_143_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_141_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_142_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44| Int)) (or (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_142_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_143_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_141_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_140_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_142_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_141_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44|) (let ((.cse0 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_141_44|)) (.cse1 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44|)) (.cse2 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44|)) (.cse3 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44|)) (.cse4 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44|)) (.cse5 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44|)) (.cse6 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44|)) (.cse7 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44|)) (.cse8 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44|)) (.cse9 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_140_44|)) (.cse10 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44|)) (.cse11 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_143_44|)) (.cse12 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44|)) (.cse13 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_142_44|)) (.cse14 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44|)) (.cse15 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44|)) (.cse16 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44|)) (.cse17 (* 4294967295 |c_ULTIMATE.start_main_~s~0#1|)) (.cse18 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44|)) (.cse19 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44|)) (.cse20 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44|)) (.cse21 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44|)) (.cse22 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44|))) (< (+ (* (div (+ .cse0 (- 1) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22) 4294967296) 4294967296) 255) (+ .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22))) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_140_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_143_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44| 256))) is different from false [2022-11-22 01:39:21,793 WARN L859 $PredicateComparison]: unable to prove that (forall ((|aux_mod_v_ULTIMATE.start_main_~v~0#1_140_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_144_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_143_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_141_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_142_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44| Int)) (or (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_142_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_143_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_144_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_141_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_140_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_142_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_141_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_140_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_143_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44| 256) (let ((.cse0 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_141_44|)) (.cse1 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44|)) (.cse2 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44|)) (.cse3 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44|)) (.cse4 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44|)) (.cse5 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44|)) (.cse6 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44|)) (.cse7 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44|)) (.cse8 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44|)) (.cse9 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_140_44|)) (.cse10 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44|)) (.cse11 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_143_44|)) (.cse12 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_144_44|)) (.cse13 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44|)) (.cse14 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_142_44|)) (.cse15 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44|)) (.cse16 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44|)) (.cse17 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44|)) (.cse18 (* 4294967295 |c_ULTIMATE.start_main_~s~0#1|)) (.cse19 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44|)) (.cse20 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44|)) (.cse21 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44|)) (.cse22 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44|)) (.cse23 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44|))) (< (+ 255 (* (div (+ .cse0 (- 1) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) 4294967296) 4294967296)) (+ .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23))) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_144_44| 256))) is different from true [2022-11-22 01:42:40,386 WARN L837 $PredicateComparison]: unable to prove that (forall ((|aux_mod_v_ULTIMATE.start_main_~v~0#1_148_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_146_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_140_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_144_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_142_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_145_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_147_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_143_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_141_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44| Int)) (or (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_142_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_143_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_144_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_147_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_141_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_140_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_142_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_148_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44|) (let ((.cse0 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_141_44|)) (.cse1 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44|)) (.cse2 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44|)) (.cse3 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44|)) (.cse4 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44|)) (.cse5 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44|)) (.cse6 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44|)) (.cse7 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44|)) (.cse8 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44|)) (.cse9 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_140_44|)) (.cse10 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44|)) (.cse11 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_143_44|)) (.cse12 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_147_44|)) (.cse13 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_145_44|)) (.cse14 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_144_44|)) (.cse15 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44|)) (.cse16 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_142_44|)) (.cse17 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44|)) (.cse18 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44|)) (.cse19 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44|)) (.cse20 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_148_44|)) (.cse21 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_146_44|)) (.cse22 (* 4294967295 |c_ULTIMATE.start_main_~s~0#1|)) (.cse23 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44|)) (.cse24 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44|)) (.cse25 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44|)) (.cse26 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44|)) (.cse27 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44|))) (< (+ 255 (* (div (+ .cse0 (- 1) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27) 4294967296) 4294967296)) (+ .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27))) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_141_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_145_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_147_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_140_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_143_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_145_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_146_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_146_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_148_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_144_44| 256))) is different from false [2022-11-22 01:44:05,807 WARN L837 $PredicateComparison]: unable to prove that (forall ((|aux_mod_v_ULTIMATE.start_main_~v~0#1_148_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_146_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_140_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_144_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_142_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_150_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_149_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_145_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_147_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_143_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_141_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44| Int) (|aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44| Int)) (or (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_142_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_143_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_144_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_147_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_141_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_140_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_142_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_148_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_141_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_150_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_145_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_150_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_147_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_140_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_143_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_149_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_145_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_149_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_146_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44|) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_146_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44| 256) (> 0 |aux_mod_v_ULTIMATE.start_main_~v~0#1_148_44|) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44| 256) (let ((.cse0 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_141_44|)) (.cse1 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44|)) (.cse2 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_125_44|)) (.cse3 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_122_44|)) (.cse4 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_126_44|)) (.cse5 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_133_44|)) (.cse6 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_149_44|)) (.cse7 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_129_44|)) (.cse8 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_150_44|)) (.cse9 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_132_44|)) (.cse10 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_128_44|)) (.cse11 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_140_44|)) (.cse12 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_138_44|)) (.cse13 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_143_44|)) (.cse14 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_147_44|)) (.cse15 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_145_44|)) (.cse16 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_144_44|)) (.cse17 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_134_44|)) (.cse18 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_142_44|)) (.cse19 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_136_44|)) (.cse20 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_127_44|)) (.cse21 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_123_44|)) (.cse22 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_148_44|)) (.cse23 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_146_44|)) (.cse24 (* 4294967295 |c_ULTIMATE.start_main_~s~0#1|)) (.cse25 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_139_44|)) (.cse26 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_135_44|)) (.cse27 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_131_44|)) (.cse28 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_137_44|)) (.cse29 (* 4294967295 |aux_mod_v_ULTIMATE.start_main_~v~0#1_130_44|))) (< (+ 255 (* (div (+ .cse0 (- 1) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29) 4294967296) 4294967296)) (+ .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29))) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_124_44| 256) (>= |aux_mod_v_ULTIMATE.start_main_~v~0#1_144_44| 256))) is different from false