./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array11_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-patterns/array11_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c3ac08a3f6fb5579b9b2ae158efc8988dd3312e617d74223198803ffe0b335cb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 19:54:46,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 19:54:46,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 19:54:46,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 19:54:46,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 19:54:46,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 19:54:46,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 19:54:46,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 19:54:46,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 19:54:46,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 19:54:46,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 19:54:46,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 19:54:46,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 19:54:46,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 19:54:46,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 19:54:46,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 19:54:46,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 19:54:46,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 19:54:46,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 19:54:46,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 19:54:46,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 19:54:46,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 19:54:46,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 19:54:46,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 19:54:46,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 19:54:46,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 19:54:46,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 19:54:46,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 19:54:46,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 19:54:46,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 19:54:46,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 19:54:46,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 19:54:46,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 19:54:46,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 19:54:46,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 19:54:46,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 19:54:46,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 19:54:46,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 19:54:46,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 19:54:46,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 19:54:46,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 19:54:46,819 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 19:54:46,856 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 19:54:46,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 19:54:46,856 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 19:54:46,857 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 19:54:46,857 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 19:54:46,858 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 19:54:46,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 19:54:46,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 19:54:46,858 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 19:54:46,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 19:54:46,860 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 19:54:46,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 19:54:46,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 19:54:46,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 19:54:46,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 19:54:46,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 19:54:46,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 19:54:46,861 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 19:54:46,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 19:54:46,861 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 19:54:46,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 19:54:46,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 19:54:46,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 19:54:46,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 19:54:46,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 19:54:46,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 19:54:46,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 19:54:46,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 19:54:46,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 19:54:46,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 19:54:46,865 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 19:54:46,865 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 19:54:46,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 19:54:46,865 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_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3ac08a3f6fb5579b9b2ae158efc8988dd3312e617d74223198803ffe0b335cb [2022-11-02 19:54:47,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 19:54:47,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 19:54:47,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 19:54:47,262 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 19:54:47,263 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 19:54:47,265 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/array-patterns/array11_pattern.c [2022-11-02 19:54:47,342 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/data/0bd029f9e/704a512484c846ddb9795378381bb069/FLAGae604e594 [2022-11-02 19:54:47,874 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 19:54:47,875 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/sv-benchmarks/c/array-patterns/array11_pattern.c [2022-11-02 19:54:47,882 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/data/0bd029f9e/704a512484c846ddb9795378381bb069/FLAGae604e594 [2022-11-02 19:54:48,259 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/data/0bd029f9e/704a512484c846ddb9795378381bb069 [2022-11-02 19:54:48,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 19:54:48,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 19:54:48,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 19:54:48,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 19:54:48,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 19:54:48,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 07:54:48" (1/1) ... [2022-11-02 19:54:48,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f77f802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:54:48, skipping insertion in model container [2022-11-02 19:54:48,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 07:54:48" (1/1) ... [2022-11-02 19:54:48,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 19:54:48,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 19:54:48,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/sv-benchmarks/c/array-patterns/array11_pattern.c[1357,1370] [2022-11-02 19:54:48,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 19:54:48,541 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 19:54:48,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/sv-benchmarks/c/array-patterns/array11_pattern.c[1357,1370] [2022-11-02 19:54:48,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 19:54:48,598 INFO L208 MainTranslator]: Completed translation [2022-11-02 19:54:48,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:54:48 WrapperNode [2022-11-02 19:54:48,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 19:54:48,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 19:54:48,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 19:54:48,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 19:54:48,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:54:48" (1/1) ... [2022-11-02 19:54:48,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:54:48" (1/1) ... [2022-11-02 19:54:48,654 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2022-11-02 19:54:48,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 19:54:48,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 19:54:48,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 19:54:48,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 19:54:48,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:54:48" (1/1) ... [2022-11-02 19:54:48,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:54:48" (1/1) ... [2022-11-02 19:54:48,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:54:48" (1/1) ... [2022-11-02 19:54:48,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:54:48" (1/1) ... [2022-11-02 19:54:48,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:54:48" (1/1) ... [2022-11-02 19:54:48,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:54:48" (1/1) ... [2022-11-02 19:54:48,696 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:54:48" (1/1) ... [2022-11-02 19:54:48,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:54:48" (1/1) ... [2022-11-02 19:54:48,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 19:54:48,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 19:54:48,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 19:54:48,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 19:54:48,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:54:48" (1/1) ... [2022-11-02 19:54:48,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 19:54:48,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 19:54:48,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 19:54:48,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 19:54:48,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 19:54:48,804 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 19:54:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 19:54:48,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 19:54:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 19:54:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 19:54:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 19:54:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 19:54:48,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 19:54:48,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 19:54:48,894 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 19:54:48,897 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 19:54:49,104 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 19:54:49,111 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 19:54:49,111 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 19:54:49,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 07:54:49 BoogieIcfgContainer [2022-11-02 19:54:49,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 19:54:49,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 19:54:49,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 19:54:49,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 19:54:49,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 07:54:48" (1/3) ... [2022-11-02 19:54:49,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b60604d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 07:54:49, skipping insertion in model container [2022-11-02 19:54:49,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:54:48" (2/3) ... [2022-11-02 19:54:49,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b60604d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 07:54:49, skipping insertion in model container [2022-11-02 19:54:49,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 07:54:49" (3/3) ... [2022-11-02 19:54:49,122 INFO L112 eAbstractionObserver]: Analyzing ICFG array11_pattern.c [2022-11-02 19:54:49,180 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 19:54:49,180 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 19:54:49,247 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 19:54:49,257 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=PETRI_NET, 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;@61c06281, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 19:54:49,257 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 19:54:49,262 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 22 states have (on average 1.5) internal successors, (33), 23 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 19:54:49,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-02 19:54:49,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:54:49,270 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:54:49,271 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:54:49,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:54:49,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1199380475, now seen corresponding path program 1 times [2022-11-02 19:54:49,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:54:49,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262014114] [2022-11-02 19:54:49,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:54:49,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:54:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:49,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 19:54:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:49,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 19:54:49,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:54:49,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262014114] [2022-11-02 19:54:49,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262014114] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:54:49,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:54:49,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 19:54:49,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582102118] [2022-11-02 19:54:49,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:54:49,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 19:54:49,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:54:49,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 19:54:49,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 19:54:49,503 INFO L87 Difference]: Start difference. First operand has 27 states, 22 states have (on average 1.5) internal successors, (33), 23 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 19:54:49,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:54:49,521 INFO L93 Difference]: Finished difference Result 51 states and 72 transitions. [2022-11-02 19:54:49,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 19:54:49,523 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-02 19:54:49,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:54:49,530 INFO L225 Difference]: With dead ends: 51 [2022-11-02 19:54:49,530 INFO L226 Difference]: Without dead ends: 23 [2022-11-02 19:54:49,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 19:54:49,537 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 19:54:49,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 19:54:49,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-02 19:54:49,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-02 19:54:49,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 19:54:49,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-11-02 19:54:49,573 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 15 [2022-11-02 19:54:49,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:54:49,574 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-11-02 19:54:49,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 19:54:49,574 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-11-02 19:54:49,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-02 19:54:49,576 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:54:49,576 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:54:49,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 19:54:49,577 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:54:49,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:54:49,578 INFO L85 PathProgramCache]: Analyzing trace with hash 966180883, now seen corresponding path program 1 times [2022-11-02 19:54:49,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:54:49,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378246803] [2022-11-02 19:54:49,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:54:49,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:54:49,607 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 19:54:49,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1834465231] [2022-11-02 19:54:49,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:54:49,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 19:54:49,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 19:54:49,610 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 19:54:49,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 19:54:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:49,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 19:54:49,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 19:54:49,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-02 19:54:49,910 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 19:54:49,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:54:49,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378246803] [2022-11-02 19:54:49,911 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 19:54:49,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834465231] [2022-11-02 19:54:49,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834465231] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:54:49,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:54:49,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 19:54:49,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464840850] [2022-11-02 19:54:49,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:54:49,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 19:54:49,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:54:49,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 19:54:49,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 19:54:49,916 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 19:54:49,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:54:49,942 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2022-11-02 19:54:49,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 19:54:49,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-11-02 19:54:49,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:54:49,944 INFO L225 Difference]: With dead ends: 28 [2022-11-02 19:54:49,944 INFO L226 Difference]: Without dead ends: 24 [2022-11-02 19:54:49,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 19:54:49,946 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 5 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 19:54:49,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 60 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 19:54:49,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-02 19:54:49,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-11-02 19:54:49,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 20 states have (on average 1.2) internal successors, (24), 20 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 19:54:49,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2022-11-02 19:54:49,952 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 24 [2022-11-02 19:54:49,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:54:49,954 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2022-11-02 19:54:49,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 19:54:49,954 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-11-02 19:54:49,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-02 19:54:49,955 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:54:49,955 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:54:49,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 19:54:50,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 19:54:50,179 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:54:50,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:54:50,179 INFO L85 PathProgramCache]: Analyzing trace with hash 840126261, now seen corresponding path program 1 times [2022-11-02 19:54:50,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:54:50,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498241314] [2022-11-02 19:54:50,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:54:50,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:54:50,228 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 19:54:50,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [75709362] [2022-11-02 19:54:50,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:54:50,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 19:54:50,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 19:54:50,239 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 19:54:50,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 19:54:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:50,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 19:54:50,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 19:54:50,420 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 19:54:50,420 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 19:54:50,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:54:50,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498241314] [2022-11-02 19:54:50,421 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 19:54:50,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75709362] [2022-11-02 19:54:50,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75709362] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:54:50,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:54:50,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 19:54:50,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100908639] [2022-11-02 19:54:50,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:54:50,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 19:54:50,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:54:50,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 19:54:50,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-02 19:54:50,424 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 19:54:50,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:54:50,538 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2022-11-02 19:54:50,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 19:54:50,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2022-11-02 19:54:50,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:54:50,539 INFO L225 Difference]: With dead ends: 45 [2022-11-02 19:54:50,540 INFO L226 Difference]: Without dead ends: 27 [2022-11-02 19:54:50,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-02 19:54:50,541 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 13 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 19:54:50,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 75 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 19:54:50,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-02 19:54:50,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2022-11-02 19:54:50,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 19:54:50,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-11-02 19:54:50,547 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 26 [2022-11-02 19:54:50,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:54:50,547 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-11-02 19:54:50,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 19:54:50,548 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-11-02 19:54:50,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-02 19:54:50,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:54:50,549 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:54:50,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 19:54:50,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 19:54:50,767 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:54:50,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:54:50,767 INFO L85 PathProgramCache]: Analyzing trace with hash -760544265, now seen corresponding path program 1 times [2022-11-02 19:54:50,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:54:50,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681937429] [2022-11-02 19:54:50,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:54:50,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:54:50,798 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 19:54:50,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [295606485] [2022-11-02 19:54:50,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:54:50,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 19:54:50,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 19:54:50,800 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 19:54:50,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 19:54:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:50,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 19:54:50,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 19:54:50,983 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 19:54:50,983 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 19:54:51,200 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-02 19:54:51,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:54:51,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681937429] [2022-11-02 19:54:51,201 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 19:54:51,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295606485] [2022-11-02 19:54:51,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295606485] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 19:54:51,202 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 19:54:51,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2022-11-02 19:54:51,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637748254] [2022-11-02 19:54:51,202 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 19:54:51,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-02 19:54:51,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:54:51,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-02 19:54:51,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-02 19:54:51,204 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 19:54:51,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:54:51,475 INFO L93 Difference]: Finished difference Result 90 states and 100 transitions. [2022-11-02 19:54:51,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-02 19:54:51,476 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2022-11-02 19:54:51,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:54:51,480 INFO L225 Difference]: With dead ends: 90 [2022-11-02 19:54:51,480 INFO L226 Difference]: Without dead ends: 72 [2022-11-02 19:54:51,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2022-11-02 19:54:51,486 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 61 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 19:54:51,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 109 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 19:54:51,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-11-02 19:54:51,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 37. [2022-11-02 19:54:51,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-02 19:54:51,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2022-11-02 19:54:51,503 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 28 [2022-11-02 19:54:51,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:54:51,504 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2022-11-02 19:54:51,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 19:54:51,504 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2022-11-02 19:54:51,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-02 19:54:51,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:54:51,505 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:54:51,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 19:54:51,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 19:54:51,706 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:54:51,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:54:51,707 INFO L85 PathProgramCache]: Analyzing trace with hash -367517255, now seen corresponding path program 1 times [2022-11-02 19:54:51,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:54:51,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686558071] [2022-11-02 19:54:51,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:54:51,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:54:51,741 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 19:54:51,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2095225630] [2022-11-02 19:54:51,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:54:51,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 19:54:51,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 19:54:51,745 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 19:54:51,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-02 19:54:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:51,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-02 19:54:51,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 19:54:51,915 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-02 19:54:51,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:54:51,971 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2022-11-02 19:54:51,979 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2022-11-02 19:54:51,985 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-02 19:54:52,004 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-02 19:54:52,397 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-02 19:54:52,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:54:52,434 INFO L356 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-11-02 19:54:52,435 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 95 [2022-11-02 19:54:54,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:54:59,230 INFO L356 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-02 19:54:59,230 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 28 [2022-11-02 19:55:23,490 WARN L855 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#array2~0#1.base| |c_ULTIMATE.start_main_~#array1~0#1.base|)) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#array2~0#1.base|) |c_ULTIMATE.start_main_~#array2~0#1.offset|) 0) (= |c_ULTIMATE.start_main_~#array2~0#1.offset| 0) (= |c_ULTIMATE.start_main_~#array1~0#1.offset| 0) (< 0 c_~ARR_SIZE~0) (= |c_ULTIMATE.start_main_~sum~0#1| 0) (<= c_~ARR_SIZE~0 1) (let ((.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|)) (.cse10 (mod |c_ULTIMATE.start_main_~index~0#1| 4294967296))) (let ((.cse0 (<= .cse10 2147483647)) (.cse6 (= (select .cse4 |c_ULTIMATE.start_main_~#array1~0#1.offset|) 0)) (.cse5 (* .cse10 4))) (or (and (not .cse0) (let ((.cse1 (select .cse4 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse5)))) (or (exists ((|ULTIMATE.start_main_~num~0#1| Int)) (let ((.cse2 (mod (* (* |ULTIMATE.start_main_~num~0#1| (* (* |c_ULTIMATE.start_main_~index~0#1| |ULTIMATE.start_main_~num~0#1|) |ULTIMATE.start_main_~num~0#1|)) |ULTIMATE.start_main_~num~0#1|) 4294967296))) (and (= .cse1 .cse2) (<= .cse2 2147483647)))) (exists ((v_prenex_2 Int)) (let ((.cse3 (mod (* (* v_prenex_2 (* (* |c_ULTIMATE.start_main_~index~0#1| v_prenex_2) v_prenex_2)) v_prenex_2) 4294967296))) (and (= (+ .cse1 4294967296) .cse3) (not (<= .cse3 2147483647))))))) .cse6) (and .cse0 (or (= .cse5 0) .cse6) (let ((.cse8 (select .cse4 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse5)))) (or (exists ((|ULTIMATE.start_main_~num~0#1| Int)) (let ((.cse7 (mod (* (* |ULTIMATE.start_main_~num~0#1| (* (* |c_ULTIMATE.start_main_~index~0#1| |ULTIMATE.start_main_~num~0#1|) |ULTIMATE.start_main_~num~0#1|)) |ULTIMATE.start_main_~num~0#1|) 4294967296))) (and (not (<= .cse7 2147483647)) (= .cse7 (+ 4294967296 .cse8))))) (exists ((|ULTIMATE.start_main_~num~0#1| Int)) (let ((.cse9 (mod (* (* |ULTIMATE.start_main_~num~0#1| (* (* |c_ULTIMATE.start_main_~index~0#1| |ULTIMATE.start_main_~num~0#1|) |ULTIMATE.start_main_~num~0#1|)) |ULTIMATE.start_main_~num~0#1|) 4294967296))) (and (<= .cse9 2147483647) (= .cse9 .cse8))))))))))) is different from true [2022-11-02 19:55:23,725 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 88 [2022-11-02 19:55:23,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:55:23,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 19:55:23,753 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 119 [2022-11-02 19:55:23,924 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-02 19:55:23,974 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 19:55:23,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 19:56:27,971 WARN L234 SmtUtils]: Spent 36.24s on a formula simplification that was a NOOP. DAG size: 99 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-02 19:56:30,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:56:30,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686558071] [2022-11-02 19:56:30,828 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 19:56:30,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095225630] [2022-11-02 19:56:30,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095225630] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 19:56:30,829 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-02 19:56:30,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2022-11-02 19:56:30,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136659030] [2022-11-02 19:56:30,829 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-02 19:56:30,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 19:56:30,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:56:30,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 19:56:30,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=198, Unknown=8, NotChecked=30, Total=306 [2022-11-02 19:56:30,831 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 19:56:31,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:56:31,258 INFO L93 Difference]: Finished difference Result 48 states and 55 transitions. [2022-11-02 19:56:31,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-02 19:56:31,259 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2022-11-02 19:56:31,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:56:31,261 INFO L225 Difference]: With dead ends: 48 [2022-11-02 19:56:31,261 INFO L226 Difference]: Without dead ends: 44 [2022-11-02 19:56:31,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 23 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 59.1s TimeCoverageRelationStatistics Valid=93, Invalid=245, Unknown=8, NotChecked=34, Total=380 [2022-11-02 19:56:31,262 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 19 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 59 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 19:56:31,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 110 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 63 Invalid, 0 Unknown, 59 Unchecked, 0.3s Time] [2022-11-02 19:56:31,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-02 19:56:31,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 40. [2022-11-02 19:56:31,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 34 states have internal predecessors, (40), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-02 19:56:31,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2022-11-02 19:56:31,270 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 28 [2022-11-02 19:56:31,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:56:31,271 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2022-11-02 19:56:31,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 19:56:31,271 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2022-11-02 19:56:31,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-02 19:56:31,272 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:56:31,272 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:56:31,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-02 19:56:31,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 19:56:31,473 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:56:31,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:56:31,474 INFO L85 PathProgramCache]: Analyzing trace with hash -943530149, now seen corresponding path program 2 times [2022-11-02 19:56:31,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:56:31,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819540422] [2022-11-02 19:56:31,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:56:31,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:56:31,493 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 19:56:31,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [405289719] [2022-11-02 19:56:31,494 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 19:56:31,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 19:56:31,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 19:56:31,495 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 19:56:31,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-02 19:56:31,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 19:56:31,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 19:56:31,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 19:56:31,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 19:56:31,624 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 19:56:31,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 19:56:31,702 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-02 19:56:31,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:56:31,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819540422] [2022-11-02 19:56:31,704 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 19:56:31,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405289719] [2022-11-02 19:56:31,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405289719] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 19:56:31,705 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 19:56:31,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2022-11-02 19:56:31,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474336206] [2022-11-02 19:56:31,705 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 19:56:31,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 19:56:31,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:56:31,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 19:56:31,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-02 19:56:31,708 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 19:56:31,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:56:31,838 INFO L93 Difference]: Finished difference Result 55 states and 61 transitions. [2022-11-02 19:56:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 19:56:31,839 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2022-11-02 19:56:31,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:56:31,840 INFO L225 Difference]: With dead ends: 55 [2022-11-02 19:56:31,840 INFO L226 Difference]: Without dead ends: 35 [2022-11-02 19:56:31,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-11-02 19:56:31,841 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 62 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 19:56:31,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 96 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 19:56:31,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-02 19:56:31,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 27. [2022-11-02 19:56:31,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 19:56:31,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2022-11-02 19:56:31,845 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 30 [2022-11-02 19:56:31,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:56:31,846 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-11-02 19:56:31,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 19:56:31,857 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-11-02 19:56:31,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-02 19:56:31,857 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:56:31,858 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:56:31,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-02 19:56:32,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-02 19:56:32,059 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:56:32,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:56:32,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1406627783, now seen corresponding path program 2 times [2022-11-02 19:56:32,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:56:32,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654279466] [2022-11-02 19:56:32,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:56:32,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:56:32,083 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 19:56:32,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1827667603] [2022-11-02 19:56:32,083 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 19:56:32,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 19:56:32,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 19:56:32,085 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 19:56:32,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-02 19:56:32,704 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 19:56:32,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 19:56:32,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 19:56:32,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 19:56:32,775 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 19:56:32,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 19:56:32,839 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-02 19:56:32,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:56:32,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654279466] [2022-11-02 19:56:32,840 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 19:56:32,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827667603] [2022-11-02 19:56:32,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827667603] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 19:56:32,840 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 19:56:32,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2022-11-02 19:56:32,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394948716] [2022-11-02 19:56:32,841 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 19:56:32,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 19:56:32,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:56:32,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 19:56:32,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-02 19:56:32,843 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 19:56:32,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:56:32,947 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2022-11-02 19:56:32,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 19:56:32,947 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2022-11-02 19:56:32,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:56:32,948 INFO L225 Difference]: With dead ends: 38 [2022-11-02 19:56:32,948 INFO L226 Difference]: Without dead ends: 34 [2022-11-02 19:56:32,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-11-02 19:56:32,950 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 28 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 19:56:32,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 70 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 19:56:32,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-02 19:56:32,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2022-11-02 19:56:32,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 19:56:32,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2022-11-02 19:56:32,955 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 30 [2022-11-02 19:56:32,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:56:32,956 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2022-11-02 19:56:32,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 19:56:32,956 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2022-11-02 19:56:32,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-02 19:56:32,957 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:56:32,957 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:56:32,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-02 19:56:33,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 19:56:33,162 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:56:33,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:56:33,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1198632411, now seen corresponding path program 3 times [2022-11-02 19:56:33,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:56:33,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449340878] [2022-11-02 19:56:33,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:56:33,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:56:33,201 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 19:56:33,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [310941142] [2022-11-02 19:56:33,212 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-02 19:56:33,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 19:56:33,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 19:56:33,213 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 19:56:33,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-02 19:56:33,339 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-02 19:56:33,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 19:56:33,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 63 conjunts are in the unsatisfiable core [2022-11-02 19:56:33,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 19:56:33,358 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-02 19:56:33,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:56:33,386 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2022-11-02 19:56:33,392 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2022-11-02 19:56:33,396 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-02 19:56:33,402 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-02 19:56:33,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:56:33,509 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 41 [2022-11-02 19:56:33,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:56:33,532 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2022-11-02 19:56:33,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:56:33,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:56:33,546 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-02 19:56:34,058 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 74 [2022-11-02 19:56:34,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:56:34,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:56:34,087 INFO L356 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-02 19:56:34,087 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 105 [2022-11-02 19:56:35,586 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 137 [2022-11-02 19:56:35,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:56:35,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:56:35,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 19:56:35,612 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 118 [2022-11-02 19:56:40,795 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 93 [2022-11-02 19:56:40,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 19:56:40,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:56:40,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:56:40,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:56:40,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 19:56:40,815 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-02 19:56:40,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 19:56:40,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:56:40,826 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2022-11-02 19:56:40,980 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 19:56:40,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 19:57:10,659 WARN L234 SmtUtils]: Spent 13.67s on a formula simplification that was a NOOP. DAG size: 89 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-02 19:58:19,329 WARN L833 $PredicateComparison]: unable to prove that (or (< 2 c_~ARR_SIZE~0) (let ((.cse74 (* |c_ULTIMATE.start_main_~index~0#1| |c_ULTIMATE.start_main_~num~0#1|))) (let ((.cse75 (mod |c_ULTIMATE.start_main_~index~0#1| 4294967296)) (.cse22 (mod .cse74 4294967296))) (let ((.cse6 (<= .cse22 2147483647)) (.cse73 (* .cse75 4)) (.cse26 (<= .cse75 2147483647)) (.cse43 (mod (* (* (* .cse74 |c_ULTIMATE.start_main_~num~0#1|) |c_ULTIMATE.start_main_~num~0#1|) |c_ULTIMATE.start_main_~num~0#1|) 4294967296))) (let ((.cse44 (<= .cse43 2147483647)) (.cse0 (not .cse26)) (.cse13 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse73)) (.cse24 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse73)) (.cse14 (+ .cse22 (- 4294967296))) (.cse19 (not .cse6)) (.cse1 (* c_~ARR_SIZE~0 2)) (.cse8 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 4)) (.cse10 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 4)) (.cse35 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse73)) (.cse23 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|)) (.cse42 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse73))) (and (or (let ((.cse25 (+ .cse43 (- 4294967296)))) (and (or .cse0 (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse23 .cse24 .cse25)))) (let ((.cse12 (select .cse11 |c_ULTIMATE.start_main_~#array2~0#1.base|))) (and (let ((.cse9 (store .cse12 .cse13 .cse14))) (let ((.cse7 (select (store .cse11 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse9) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (let ((.cse2 (select .cse9 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (.cse3 (select .cse9 .cse10)) (.cse4 (select .cse7 .cse8)) (.cse5 (select .cse7 |c_ULTIMATE.start_main_~#array1~0#1.offset|))) (or (= .cse1 (+ |c_ULTIMATE.start_main_~sum~0#1| 2 .cse2 .cse3 .cse4 .cse5)) .cse6 (= (+ |c_ULTIMATE.start_main_~sum~0#1| .cse2 .cse3 .cse4 .cse5) 0))))) (let ((.cse21 (store .cse12 .cse13 .cse22))) (let ((.cse20 (select (store .cse11 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse21) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (let ((.cse15 (select .cse20 |c_ULTIMATE.start_main_~#array1~0#1.offset|)) (.cse16 (select .cse21 .cse10)) (.cse17 (select .cse21 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (.cse18 (select .cse20 .cse8))) (or (= (+ .cse15 .cse16 |c_ULTIMATE.start_main_~sum~0#1| .cse17 .cse18) 0) .cse19 (= .cse1 (+ .cse15 .cse16 |c_ULTIMATE.start_main_~sum~0#1| .cse17 2 .cse18)))))))))) (or .cse26 (let ((.cse33 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse23 .cse42 .cse25)))) (let ((.cse34 (select .cse33 |c_ULTIMATE.start_main_~#array2~0#1.base|))) (and (let ((.cse31 (store .cse34 .cse35 .cse22))) (let ((.cse32 (select (store .cse33 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse31) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (let ((.cse27 (select .cse31 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (.cse28 (select .cse32 |c_ULTIMATE.start_main_~#array1~0#1.offset|)) (.cse29 (select .cse32 .cse8)) (.cse30 (select .cse31 .cse10))) (or .cse19 (= (+ .cse27 .cse28 .cse29 |c_ULTIMATE.start_main_~sum~0#1| .cse30) 0) (= .cse1 (+ .cse27 .cse28 .cse29 |c_ULTIMATE.start_main_~sum~0#1| .cse30 2)))))) (let ((.cse40 (store .cse34 .cse35 .cse14))) (let ((.cse41 (select (store .cse33 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse40) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (let ((.cse36 (select .cse41 .cse8)) (.cse37 (select .cse41 |c_ULTIMATE.start_main_~#array1~0#1.offset|)) (.cse38 (select .cse40 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (.cse39 (select .cse40 .cse10))) (or .cse6 (= (+ .cse36 |c_ULTIMATE.start_main_~sum~0#1| .cse37 .cse38 .cse39) 0) (= (+ .cse36 |c_ULTIMATE.start_main_~sum~0#1| 2 .cse37 .cse38 .cse39) .cse1))))))))))) .cse44) (or (not .cse44) (and (or .cse0 (let ((.cse51 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse23 .cse24 .cse43)))) (let ((.cse52 (select .cse51 |c_ULTIMATE.start_main_~#array2~0#1.base|))) (and (let ((.cse50 (store .cse52 .cse13 .cse14))) (let ((.cse49 (select (store .cse51 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse50) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (let ((.cse45 (select .cse49 .cse8)) (.cse46 (select .cse50 .cse10)) (.cse47 (select .cse50 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (.cse48 (select .cse49 |c_ULTIMATE.start_main_~#array1~0#1.offset|))) (or (= (+ .cse45 .cse46 |c_ULTIMATE.start_main_~sum~0#1| .cse47 .cse48) 0) .cse6 (= (+ .cse45 .cse46 |c_ULTIMATE.start_main_~sum~0#1| 2 .cse47 .cse48) .cse1))))) (let ((.cse58 (store .cse52 .cse13 .cse22))) (let ((.cse57 (select (store .cse51 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse58) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (let ((.cse53 (select .cse57 |c_ULTIMATE.start_main_~#array1~0#1.offset|)) (.cse54 (select .cse58 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (.cse55 (select .cse58 .cse10)) (.cse56 (select .cse57 .cse8))) (or (= (+ |c_ULTIMATE.start_main_~sum~0#1| 2 .cse53 .cse54 .cse55 .cse56) .cse1) .cse19 (= (+ |c_ULTIMATE.start_main_~sum~0#1| .cse53 .cse54 .cse55 .cse56) 0))))))))) (or .cse26 (let ((.cse65 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse23 .cse42 .cse43)))) (let ((.cse66 (select .cse65 |c_ULTIMATE.start_main_~#array2~0#1.base|))) (and (let ((.cse63 (store .cse66 .cse35 .cse14))) (let ((.cse64 (select (store .cse65 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse63) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (let ((.cse59 (select .cse64 |c_ULTIMATE.start_main_~#array1~0#1.offset|)) (.cse60 (select .cse63 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (.cse61 (select .cse64 .cse8)) (.cse62 (select .cse63 .cse10))) (or .cse6 (= (+ .cse59 .cse60 |c_ULTIMATE.start_main_~sum~0#1| .cse61 .cse62) 0) (= .cse1 (+ .cse59 .cse60 |c_ULTIMATE.start_main_~sum~0#1| .cse61 2 .cse62)))))) (let ((.cse72 (store .cse66 .cse35 .cse22))) (let ((.cse71 (select (store .cse65 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse72) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (let ((.cse67 (select .cse72 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (.cse68 (select .cse72 .cse10)) (.cse69 (select .cse71 .cse8)) (.cse70 (select .cse71 |c_ULTIMATE.start_main_~#array1~0#1.offset|))) (or (= (+ .cse67 |c_ULTIMATE.start_main_~sum~0#1| .cse68 .cse69 .cse70) 0) .cse19 (= .cse1 (+ .cse67 |c_ULTIMATE.start_main_~sum~0#1| .cse68 2 .cse69 .cse70))))))))))))))))) (= (+ |c_ULTIMATE.start_main_~index~0#1| 1) c_~ARR_SIZE~0)) is different from false [2022-11-02 19:58:21,338 WARN L855 $PredicateComparison]: unable to prove that (or (< 2 c_~ARR_SIZE~0) (let ((.cse74 (* |c_ULTIMATE.start_main_~index~0#1| |c_ULTIMATE.start_main_~num~0#1|))) (let ((.cse75 (mod |c_ULTIMATE.start_main_~index~0#1| 4294967296)) (.cse22 (mod .cse74 4294967296))) (let ((.cse6 (<= .cse22 2147483647)) (.cse73 (* .cse75 4)) (.cse26 (<= .cse75 2147483647)) (.cse43 (mod (* (* (* .cse74 |c_ULTIMATE.start_main_~num~0#1|) |c_ULTIMATE.start_main_~num~0#1|) |c_ULTIMATE.start_main_~num~0#1|) 4294967296))) (let ((.cse44 (<= .cse43 2147483647)) (.cse0 (not .cse26)) (.cse13 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse73)) (.cse24 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse73)) (.cse14 (+ .cse22 (- 4294967296))) (.cse19 (not .cse6)) (.cse1 (* c_~ARR_SIZE~0 2)) (.cse8 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 4)) (.cse10 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 4)) (.cse35 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse73)) (.cse23 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|)) (.cse42 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse73))) (and (or (let ((.cse25 (+ .cse43 (- 4294967296)))) (and (or .cse0 (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse23 .cse24 .cse25)))) (let ((.cse12 (select .cse11 |c_ULTIMATE.start_main_~#array2~0#1.base|))) (and (let ((.cse9 (store .cse12 .cse13 .cse14))) (let ((.cse7 (select (store .cse11 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse9) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (let ((.cse2 (select .cse9 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (.cse3 (select .cse9 .cse10)) (.cse4 (select .cse7 .cse8)) (.cse5 (select .cse7 |c_ULTIMATE.start_main_~#array1~0#1.offset|))) (or (= .cse1 (+ |c_ULTIMATE.start_main_~sum~0#1| 2 .cse2 .cse3 .cse4 .cse5)) .cse6 (= (+ |c_ULTIMATE.start_main_~sum~0#1| .cse2 .cse3 .cse4 .cse5) 0))))) (let ((.cse21 (store .cse12 .cse13 .cse22))) (let ((.cse20 (select (store .cse11 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse21) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (let ((.cse15 (select .cse20 |c_ULTIMATE.start_main_~#array1~0#1.offset|)) (.cse16 (select .cse21 .cse10)) (.cse17 (select .cse21 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (.cse18 (select .cse20 .cse8))) (or (= (+ .cse15 .cse16 |c_ULTIMATE.start_main_~sum~0#1| .cse17 .cse18) 0) .cse19 (= .cse1 (+ .cse15 .cse16 |c_ULTIMATE.start_main_~sum~0#1| .cse17 2 .cse18)))))))))) (or .cse26 (let ((.cse33 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse23 .cse42 .cse25)))) (let ((.cse34 (select .cse33 |c_ULTIMATE.start_main_~#array2~0#1.base|))) (and (let ((.cse31 (store .cse34 .cse35 .cse22))) (let ((.cse32 (select (store .cse33 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse31) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (let ((.cse27 (select .cse31 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (.cse28 (select .cse32 |c_ULTIMATE.start_main_~#array1~0#1.offset|)) (.cse29 (select .cse32 .cse8)) (.cse30 (select .cse31 .cse10))) (or .cse19 (= (+ .cse27 .cse28 .cse29 |c_ULTIMATE.start_main_~sum~0#1| .cse30) 0) (= .cse1 (+ .cse27 .cse28 .cse29 |c_ULTIMATE.start_main_~sum~0#1| .cse30 2)))))) (let ((.cse40 (store .cse34 .cse35 .cse14))) (let ((.cse41 (select (store .cse33 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse40) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (let ((.cse36 (select .cse41 .cse8)) (.cse37 (select .cse41 |c_ULTIMATE.start_main_~#array1~0#1.offset|)) (.cse38 (select .cse40 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (.cse39 (select .cse40 .cse10))) (or .cse6 (= (+ .cse36 |c_ULTIMATE.start_main_~sum~0#1| .cse37 .cse38 .cse39) 0) (= (+ .cse36 |c_ULTIMATE.start_main_~sum~0#1| 2 .cse37 .cse38 .cse39) .cse1))))))))))) .cse44) (or (not .cse44) (and (or .cse0 (let ((.cse51 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse23 .cse24 .cse43)))) (let ((.cse52 (select .cse51 |c_ULTIMATE.start_main_~#array2~0#1.base|))) (and (let ((.cse50 (store .cse52 .cse13 .cse14))) (let ((.cse49 (select (store .cse51 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse50) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (let ((.cse45 (select .cse49 .cse8)) (.cse46 (select .cse50 .cse10)) (.cse47 (select .cse50 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (.cse48 (select .cse49 |c_ULTIMATE.start_main_~#array1~0#1.offset|))) (or (= (+ .cse45 .cse46 |c_ULTIMATE.start_main_~sum~0#1| .cse47 .cse48) 0) .cse6 (= (+ .cse45 .cse46 |c_ULTIMATE.start_main_~sum~0#1| 2 .cse47 .cse48) .cse1))))) (let ((.cse58 (store .cse52 .cse13 .cse22))) (let ((.cse57 (select (store .cse51 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse58) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (let ((.cse53 (select .cse57 |c_ULTIMATE.start_main_~#array1~0#1.offset|)) (.cse54 (select .cse58 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (.cse55 (select .cse58 .cse10)) (.cse56 (select .cse57 .cse8))) (or (= (+ |c_ULTIMATE.start_main_~sum~0#1| 2 .cse53 .cse54 .cse55 .cse56) .cse1) .cse19 (= (+ |c_ULTIMATE.start_main_~sum~0#1| .cse53 .cse54 .cse55 .cse56) 0))))))))) (or .cse26 (let ((.cse65 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse23 .cse42 .cse43)))) (let ((.cse66 (select .cse65 |c_ULTIMATE.start_main_~#array2~0#1.base|))) (and (let ((.cse63 (store .cse66 .cse35 .cse14))) (let ((.cse64 (select (store .cse65 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse63) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (let ((.cse59 (select .cse64 |c_ULTIMATE.start_main_~#array1~0#1.offset|)) (.cse60 (select .cse63 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (.cse61 (select .cse64 .cse8)) (.cse62 (select .cse63 .cse10))) (or .cse6 (= (+ .cse59 .cse60 |c_ULTIMATE.start_main_~sum~0#1| .cse61 .cse62) 0) (= .cse1 (+ .cse59 .cse60 |c_ULTIMATE.start_main_~sum~0#1| .cse61 2 .cse62)))))) (let ((.cse72 (store .cse66 .cse35 .cse22))) (let ((.cse71 (select (store .cse65 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse72) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (let ((.cse67 (select .cse72 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (.cse68 (select .cse72 .cse10)) (.cse69 (select .cse71 .cse8)) (.cse70 (select .cse71 |c_ULTIMATE.start_main_~#array1~0#1.offset|))) (or (= (+ .cse67 |c_ULTIMATE.start_main_~sum~0#1| .cse68 .cse69 .cse70) 0) .cse19 (= .cse1 (+ .cse67 |c_ULTIMATE.start_main_~sum~0#1| .cse68 2 .cse69 .cse70))))))))))))))))) (= (+ |c_ULTIMATE.start_main_~index~0#1| 1) c_~ARR_SIZE~0)) is different from true [2022-11-02 19:58:26,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:58:26,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449340878] [2022-11-02 19:58:26,546 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 19:58:26,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310941142] [2022-11-02 19:58:26,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310941142] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 19:58:26,547 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-02 19:58:26,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2022-11-02 19:58:26,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158677122] [2022-11-02 19:58:26,547 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-02 19:58:26,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-02 19:58:26,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:58:26,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-02 19:58:26,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=768, Unknown=6, NotChecked=58, Total=992 [2022-11-02 19:58:26,549 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand has 21 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 19 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 19:58:28,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:58:28,879 INFO L93 Difference]: Finished difference Result 58 states and 65 transitions. [2022-11-02 19:58:28,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-02 19:58:28,880 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 19 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2022-11-02 19:58:28,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:58:28,880 INFO L225 Difference]: With dead ends: 58 [2022-11-02 19:58:28,881 INFO L226 Difference]: Without dead ends: 54 [2022-11-02 19:58:28,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 35.8s TimeCoverageRelationStatistics Valid=178, Invalid=875, Unknown=7, NotChecked=62, Total=1122 [2022-11-02 19:58:28,882 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 12 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 115 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 19:58:28,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 248 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 128 Invalid, 0 Unknown, 115 Unchecked, 0.2s Time] [2022-11-02 19:58:28,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-11-02 19:58:28,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 48. [2022-11-02 19:58:28,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 41 states have (on average 1.170731707317073) internal successors, (48), 41 states have internal predecessors, (48), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-02 19:58:28,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2022-11-02 19:58:28,893 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 32 [2022-11-02 19:58:28,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:58:28,893 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2022-11-02 19:58:28,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 19 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 19:58:28,893 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2022-11-02 19:58:28,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-02 19:58:28,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:58:28,894 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:58:28,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-02 19:58:29,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 19:58:29,110 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:58:29,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:58:29,111 INFO L85 PathProgramCache]: Analyzing trace with hash 940466973, now seen corresponding path program 3 times [2022-11-02 19:58:29,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:58:29,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704050761] [2022-11-02 19:58:29,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:58:29,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:58:29,131 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 19:58:29,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2091804748] [2022-11-02 19:58:29,146 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-02 19:58:29,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 19:58:29,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 19:58:29,151 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 19:58:29,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40060bb-1729-402b-820d-902d6497147f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-02 19:58:29,271 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-02 19:58:29,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 19:58:29,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 59 conjunts are in the unsatisfiable core [2022-11-02 19:58:29,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 19:58:29,307 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-02 19:58:29,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:58:29,352 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 31 [2022-11-02 19:58:29,359 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 28 [2022-11-02 19:58:29,368 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-02 19:58:29,376 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-02 19:58:29,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:58:29,481 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 41 [2022-11-02 19:58:29,495 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2022-11-02 19:58:29,512 INFO L356 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-11-02 19:58:29,512 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-11-02 19:58:29,539 INFO L356 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-11-02 19:58:29,540 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-11-02 19:58:35,190 INFO L356 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-11-02 19:58:35,190 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 118 treesize of output 136 [2022-11-02 19:58:35,476 INFO L356 Elim1Store]: treesize reduction 159, result has 33.8 percent of original size [2022-11-02 19:58:35,477 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 126 treesize of output 238 [2022-11-02 19:58:36,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:58:36,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:58:36,639 INFO L356 Elim1Store]: treesize reduction 70, result has 46.6 percent of original size [2022-11-02 19:58:36,641 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 129 [2022-11-02 19:58:47,073 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 256 treesize of output 238 [2022-11-02 19:58:47,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:58:47,286 INFO L356 Elim1Store]: treesize reduction 155, result has 36.5 percent of original size [2022-11-02 19:58:47,286 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 244 treesize of output 374 [2022-11-02 19:58:47,742 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 14 [2022-11-02 19:58:58,235 WARN L234 SmtUtils]: Spent 10.16s on a formula simplification that was a NOOP. DAG size: 101 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-02 19:58:59,633 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 214 treesize of output 190 [2022-11-02 19:58:59,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:58:59,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 19:58:59,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:58:59,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 19:58:59,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 19:58:59,656 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2022-11-02 19:58:59,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 19:58:59,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:58:59,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-02 19:58:59,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 19:58:59,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 19:58:59,674 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 24 [2022-11-02 19:59:00,022 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 19:59:00,022 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 19:59:15,493 WARN L855 $PredicateComparison]: unable to prove that (or (< 2 c_~ARR_SIZE~0) (let ((.cse12 (mod (+ c_~ARR_SIZE~0 4294967295) 4294967296))) (let ((.cse23 (* .cse12 4)) (.cse15 (mod (* (* (* (* (+ (- 1) c_~ARR_SIZE~0) |c_ULTIMATE.start_main_~num~0#1|) |c_ULTIMATE.start_main_~num~0#1|) |c_ULTIMATE.start_main_~num~0#1|) |c_ULTIMATE.start_main_~num~0#1|) 4294967296))) (let ((.cse5 (<= .cse15 2147483647)) (.cse0 (* c_~ARR_SIZE~0 2)) (.cse8 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 4)) (.cse9 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 4)) (.cse11 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse23)) (.cse13 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|)) (.cse14 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse23))) (and (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse13 .cse14 (+ .cse15 (- 4294967296)))))) (let ((.cse6 (store (select .cse10 |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse11 .cse12))) (let ((.cse7 (select (store .cse10 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse6) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (let ((.cse1 (select .cse7 .cse9)) (.cse2 (select .cse6 .cse8)) (.cse3 (select .cse7 |c_ULTIMATE.start_main_~#array1~0#1.offset|)) (.cse4 (select .cse6 |c_ULTIMATE.start_main_~#array2~0#1.offset|))) (or (= .cse0 (+ |c_ULTIMATE.start_main_~sum~0#1| .cse1 2 .cse2 .cse3 .cse4)) (= (+ |c_ULTIMATE.start_main_~sum~0#1| .cse1 .cse2 .cse3 .cse4) 0) .cse5))))) (let ((.cse22 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (store .cse13 .cse14 .cse15)))) (let ((.cse20 (store (select .cse22 |c_ULTIMATE.start_main_~#array2~0#1.base|) .cse11 .cse12))) (let ((.cse21 (select (store .cse22 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse20) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (let ((.cse16 (select .cse21 .cse9)) (.cse17 (select .cse20 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (.cse18 (select .cse21 |c_ULTIMATE.start_main_~#array1~0#1.offset|)) (.cse19 (select .cse20 .cse8))) (or (not .cse5) (= .cse0 (+ .cse16 .cse17 |c_ULTIMATE.start_main_~sum~0#1| .cse18 2 .cse19)) (= (+ .cse16 .cse17 |c_ULTIMATE.start_main_~sum~0#1| .cse18 .cse19) 0)))))))))) (<= c_~ARR_SIZE~0 1)) is different from true