./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/indp3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/indp3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa --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 e95db6aea8df845f112e7d303c04ce64867bd2e800c9279283322a7440e1498c --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:16:35,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:16:35,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:16:35,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:16:35,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:16:35,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:16:35,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:16:35,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:16:35,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:16:35,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:16:35,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:16:35,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:16:35,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:16:35,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:16:35,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:16:35,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:16:35,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:16:35,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:16:35,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:16:35,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:16:35,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:16:35,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:16:35,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:16:35,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:16:35,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:16:35,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:16:35,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:16:35,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:16:35,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:16:35,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:16:35,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:16:35,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:16:35,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:16:35,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:16:35,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:16:35,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:16:35,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:16:35,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:16:35,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:16:35,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:16:35,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:16:35,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 22:16:35,809 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:16:35,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:16:35,810 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:16:35,810 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:16:35,811 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:16:35,811 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:16:35,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:16:35,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:16:35,812 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:16:35,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:16:35,812 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 22:16:35,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:16:35,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 22:16:35,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:16:35,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:16:35,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:16:35,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:16:35,813 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 22:16:35,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:16:35,814 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:16:35,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:16:35,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:16:35,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:16:35,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:16:35,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:16:35,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:16:35,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:16:35,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:16:35,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:16:35,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:16:35,816 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:16:35,816 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:16:35,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:16:35,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:16:35,816 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_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e95db6aea8df845f112e7d303c04ce64867bd2e800c9279283322a7440e1498c [2021-12-06 22:16:36,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:16:36,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:16:36,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:16:36,026 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:16:36,027 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:16:36,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/array-fpi/indp3.c [2021-12-06 22:16:36,077 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/data/6c9a37efb/2ca24dcef63e4f798fd6e0be60a0efad/FLAG2bd1d1eeb [2021-12-06 22:16:36,430 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:16:36,431 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/sv-benchmarks/c/array-fpi/indp3.c [2021-12-06 22:16:36,435 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/data/6c9a37efb/2ca24dcef63e4f798fd6e0be60a0efad/FLAG2bd1d1eeb [2021-12-06 22:16:36,446 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/data/6c9a37efb/2ca24dcef63e4f798fd6e0be60a0efad [2021-12-06 22:16:36,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:16:36,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:16:36,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:16:36,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:16:36,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:16:36,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:16:36" (1/1) ... [2021-12-06 22:16:36,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10cceaee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:36, skipping insertion in model container [2021-12-06 22:16:36,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:16:36" (1/1) ... [2021-12-06 22:16:36,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:16:36,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:16:36,578 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_22f5dda2-e05f-4b28-bd36-154a167da0fb/sv-benchmarks/c/array-fpi/indp3.c[588,601] [2021-12-06 22:16:36,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:16:36,601 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:16:36,610 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_22f5dda2-e05f-4b28-bd36-154a167da0fb/sv-benchmarks/c/array-fpi/indp3.c[588,601] [2021-12-06 22:16:36,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:16:36,629 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:16:36,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:36 WrapperNode [2021-12-06 22:16:36,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:16:36,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:16:36,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:16:36,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:16:36,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:36" (1/1) ... [2021-12-06 22:16:36,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:36" (1/1) ... [2021-12-06 22:16:36,663 INFO L137 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 85 [2021-12-06 22:16:36,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:16:36,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:16:36,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:16:36,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:16:36,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:36" (1/1) ... [2021-12-06 22:16:36,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:36" (1/1) ... [2021-12-06 22:16:36,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:36" (1/1) ... [2021-12-06 22:16:36,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:36" (1/1) ... [2021-12-06 22:16:36,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:36" (1/1) ... [2021-12-06 22:16:36,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:36" (1/1) ... [2021-12-06 22:16:36,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:36" (1/1) ... [2021-12-06 22:16:36,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:16:36,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:16:36,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:16:36,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:16:36,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:36" (1/1) ... [2021-12-06 22:16:36,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:16:36,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:16:36,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:16:36,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:16:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:16:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:16:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:16:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 22:16:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:16:36,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:16:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 22:16:36,802 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:16:36,803 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:16:36,902 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:16:36,907 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:16:36,907 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-06 22:16:36,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:16:36 BoogieIcfgContainer [2021-12-06 22:16:36,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:16:36,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:16:36,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:16:36,912 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:16:36,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:16:36" (1/3) ... [2021-12-06 22:16:36,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2321a027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:16:36, skipping insertion in model container [2021-12-06 22:16:36,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:36" (2/3) ... [2021-12-06 22:16:36,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2321a027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:16:36, skipping insertion in model container [2021-12-06 22:16:36,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:16:36" (3/3) ... [2021-12-06 22:16:36,914 INFO L111 eAbstractionObserver]: Analyzing ICFG indp3.c [2021-12-06 22:16:36,918 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:16:36,918 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:16:36,953 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:16:36,958 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 22:16:36,959 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:16:36,969 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 25 states have (on average 1.56) internal successors, (39), 26 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:16:36,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-06 22:16:36,974 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:16:36,974 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:16:36,975 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:16:36,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:16:36,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1389277550, now seen corresponding path program 1 times [2021-12-06 22:16:36,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:16:36,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898245125] [2021-12-06 22:16:36,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:16:36,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:16:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:37,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:16:37,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:16:37,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898245125] [2021-12-06 22:16:37,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898245125] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:16:37,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:16:37,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:16:37,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405119237] [2021-12-06 22:16:37,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:16:37,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 22:16:37,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:16:37,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 22:16:37,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 22:16:37,128 INFO L87 Difference]: Start difference. First operand has 27 states, 25 states have (on average 1.56) internal successors, (39), 26 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:16:37,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:16:37,140 INFO L93 Difference]: Finished difference Result 50 states and 72 transitions. [2021-12-06 22:16:37,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 22:16:37,141 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-12-06 22:16:37,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:16:37,147 INFO L225 Difference]: With dead ends: 50 [2021-12-06 22:16:37,147 INFO L226 Difference]: Without dead ends: 23 [2021-12-06 22:16:37,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 22:16:37,152 INFO L933 BasicCegarLoop]: 32 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, 32 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 [2021-12-06 22:16:37,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:16:37,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-12-06 22:16:37,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-12-06 22:16:37,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:16:37,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2021-12-06 22:16:37,181 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 16 [2021-12-06 22:16:37,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:16:37,182 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-12-06 22:16:37,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:16:37,182 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-12-06 22:16:37,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-06 22:16:37,183 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:16:37,183 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:16:37,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:16:37,183 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:16:37,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:16:37,184 INFO L85 PathProgramCache]: Analyzing trace with hash 796930410, now seen corresponding path program 1 times [2021-12-06 22:16:37,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:16:37,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066793526] [2021-12-06 22:16:37,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:16:37,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:16:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:37,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:16:37,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:16:37,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066793526] [2021-12-06 22:16:37,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066793526] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:16:37,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:16:37,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:16:37,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18413950] [2021-12-06 22:16:37,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:16:37,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:16:37,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:16:37,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:16:37,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:16:37,240 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:16:37,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:16:37,298 INFO L93 Difference]: Finished difference Result 53 states and 64 transitions. [2021-12-06 22:16:37,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:16:37,299 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-12-06 22:16:37,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:16:37,299 INFO L225 Difference]: With dead ends: 53 [2021-12-06 22:16:37,300 INFO L226 Difference]: Without dead ends: 37 [2021-12-06 22:16:37,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:16:37,301 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 41 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:16:37,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 17 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:16:37,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-12-06 22:16:37,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 27. [2021-12-06 22:16:37,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:16:37,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2021-12-06 22:16:37,307 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 16 [2021-12-06 22:16:37,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:16:37,307 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2021-12-06 22:16:37,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:16:37,307 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2021-12-06 22:16:37,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-06 22:16:37,308 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:16:37,308 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:16:37,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:16:37,309 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:16:37,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:16:37,309 INFO L85 PathProgramCache]: Analyzing trace with hash 495241442, now seen corresponding path program 1 times [2021-12-06 22:16:37,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:16:37,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308641815] [2021-12-06 22:16:37,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:16:37,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:16:37,324 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 22:16:37,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [410854002] [2021-12-06 22:16:37,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:16:37,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:16:37,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:16:37,326 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:16:37,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 22:16:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:37,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 31 conjunts are in the unsatisfiable core [2021-12-06 22:16:37,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:16:37,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2021-12-06 22:16:37,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-12-06 22:16:37,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-12-06 22:16:37,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-12-06 22:16:37,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:16:37,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:16:37,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 58 treesize of output 54 [2021-12-06 22:16:37,990 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 22:16:37,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 61 [2021-12-06 22:16:38,020 INFO L388 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 20 treesize of output 11 [2021-12-06 22:16:38,045 INFO L388 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 19 treesize of output 11 [2021-12-06 22:16:45,292 INFO L354 Elim1Store]: treesize reduction 39, result has 23.5 percent of original size [2021-12-06 22:16:45,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 52 [2021-12-06 22:16:45,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:16:45,323 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:16:45,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308641815] [2021-12-06 22:16:45,323 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 22:16:45,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410854002] [2021-12-06 22:16:45,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410854002] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:16:45,323 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 22:16:45,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 11 [2021-12-06 22:16:45,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940159401] [2021-12-06 22:16:45,324 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 22:16:45,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 22:16:45,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:16:45,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 22:16:45,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-12-06 22:16:45,325 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:16:45,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:16:45,574 INFO L93 Difference]: Finished difference Result 81 states and 93 transitions. [2021-12-06 22:16:45,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 22:16:45,575 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-12-06 22:16:45,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:16:45,576 INFO L225 Difference]: With dead ends: 81 [2021-12-06 22:16:45,576 INFO L226 Difference]: Without dead ends: 79 [2021-12-06 22:16:45,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-12-06 22:16:45,577 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 42 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:16:45,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 106 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 22:16:45,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-12-06 22:16:45,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 52. [2021-12-06 22:16:45,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.2549019607843137) internal successors, (64), 51 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:16:45,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 64 transitions. [2021-12-06 22:16:45,585 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 64 transitions. Word has length 24 [2021-12-06 22:16:45,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:16:45,586 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 64 transitions. [2021-12-06 22:16:45,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:16:45,586 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2021-12-06 22:16:45,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-06 22:16:45,587 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:16:45,587 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:16:45,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 22:16:45,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:16:45,789 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:16:45,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:16:45,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1411307230, now seen corresponding path program 2 times [2021-12-06 22:16:45,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:16:45,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405927897] [2021-12-06 22:16:45,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:16:45,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:16:45,831 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 22:16:45,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [23406997] [2021-12-06 22:16:45,832 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:16:45,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:16:45,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:16:45,833 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:16:45,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 22:16:45,874 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 22:16:45,874 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:16:45,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 22:16:45,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:16:45,929 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:16:45,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:16:45,980 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:16:45,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:16:45,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405927897] [2021-12-06 22:16:45,981 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 22:16:45,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23406997] [2021-12-06 22:16:45,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [23406997] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:16:45,982 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 22:16:45,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-12-06 22:16:45,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103464189] [2021-12-06 22:16:45,982 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 22:16:45,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 22:16:45,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:16:45,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 22:16:45,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-12-06 22:16:45,984 INFO L87 Difference]: Start difference. First operand 52 states and 64 transitions. Second operand has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:16:46,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:16:46,183 INFO L93 Difference]: Finished difference Result 182 states and 217 transitions. [2021-12-06 22:16:46,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 22:16:46,184 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-12-06 22:16:46,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:16:46,185 INFO L225 Difference]: With dead ends: 182 [2021-12-06 22:16:46,185 INFO L226 Difference]: Without dead ends: 124 [2021-12-06 22:16:46,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2021-12-06 22:16:46,187 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 146 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:16:46,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 80 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:16:46,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-12-06 22:16:46,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 92. [2021-12-06 22:16:46,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 91 states have (on average 1.164835164835165) internal successors, (106), 91 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:16:46,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 106 transitions. [2021-12-06 22:16:46,198 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 106 transitions. Word has length 28 [2021-12-06 22:16:46,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:16:46,198 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 106 transitions. [2021-12-06 22:16:46,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:16:46,198 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2021-12-06 22:16:46,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-06 22:16:46,199 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:16:46,199 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:16:46,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 22:16:46,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:16:46,401 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:16:46,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:16:46,402 INFO L85 PathProgramCache]: Analyzing trace with hash -2120316834, now seen corresponding path program 3 times [2021-12-06 22:16:46,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:16:46,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77995012] [2021-12-06 22:16:46,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:16:46,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:16:46,417 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 22:16:46,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [327629004] [2021-12-06 22:16:46,418 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 22:16:46,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:16:46,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:16:46,419 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:16:46,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 22:16:46,512 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-06 22:16:46,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:16:46,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 39 conjunts are in the unsatisfiable core [2021-12-06 22:16:46,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:16:46,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2021-12-06 22:16:46,541 INFO L388 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 21 treesize of output 20 [2021-12-06 22:16:46,547 INFO L388 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 22 treesize of output 21 [2021-12-06 22:16:52,266 INFO L354 Elim1Store]: treesize reduction 121, result has 18.8 percent of original size [2021-12-06 22:16:52,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 130 treesize of output 128 [2021-12-06 22:17:14,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 194 [2021-12-06 22:17:14,621 INFO L354 Elim1Store]: treesize reduction 393, result has 17.3 percent of original size [2021-12-06 22:17:14,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 194 treesize of output 245 [2021-12-06 22:17:15,940 INFO L354 Elim1Store]: treesize reduction 111, result has 12.6 percent of original size [2021-12-06 22:17:15,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 251 treesize of output 207 [2021-12-06 22:17:16,253 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 22:17:40,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 116 [2021-12-06 22:17:40,132 INFO L354 Elim1Store]: treesize reduction 264, result has 9.3 percent of original size [2021-12-06 22:17:40,132 INFO L388 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 7 case distinctions, treesize of input 115 treesize of output 120 [2021-12-06 22:17:40,167 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 22:17:40,216 INFO L354 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2021-12-06 22:17:40,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 53 [2021-12-06 22:17:50,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 52 treesize of output 40 [2021-12-06 22:17:50,147 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:17:50,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:17:51,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 58 treesize of output 54 [2021-12-06 22:17:51,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 22:17:51,112 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 22:17:51,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 61 [2021-12-06 22:17:51,131 INFO L388 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 19 treesize of output 11 [2021-12-06 22:17:51,374 INFO L388 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 20 treesize of output 11 [2021-12-06 22:17:51,560 INFO L354 Elim1Store]: treesize reduction 39, result has 23.5 percent of original size [2021-12-06 22:17:51,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 52 [2021-12-06 22:17:51,642 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:17:51,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:17:51,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77995012] [2021-12-06 22:17:51,642 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 22:17:51,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327629004] [2021-12-06 22:17:51,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327629004] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:17:51,642 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 22:17:51,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14] total 28 [2021-12-06 22:17:51,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657486060] [2021-12-06 22:17:51,643 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 22:17:51,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-06 22:17:51,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:17:51,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-06 22:17:51,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=577, Unknown=22, NotChecked=0, Total=756 [2021-12-06 22:17:51,644 INFO L87 Difference]: Start difference. First operand 92 states and 106 transitions. Second operand has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:51,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:17:51,949 INFO L93 Difference]: Finished difference Result 101 states and 114 transitions. [2021-12-06 22:17:51,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:17:51,949 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-12-06 22:17:51,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:17:51,950 INFO L225 Difference]: With dead ends: 101 [2021-12-06 22:17:51,950 INFO L226 Difference]: Without dead ends: 88 [2021-12-06 22:17:51,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 26 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 60.9s TimeCoverageRelationStatistics Valid=179, Invalid=669, Unknown=22, NotChecked=0, Total=870 [2021-12-06 22:17:51,952 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 13 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 104 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:17:51,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 93 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 103 Invalid, 0 Unknown, 104 Unchecked, 0.2s Time] [2021-12-06 22:17:51,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-12-06 22:17:51,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2021-12-06 22:17:51,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 87 states have (on average 1.160919540229885) internal successors, (101), 87 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:51,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 101 transitions. [2021-12-06 22:17:51,960 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 101 transitions. Word has length 28 [2021-12-06 22:17:51,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:17:51,960 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 101 transitions. [2021-12-06 22:17:51,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:51,961 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 101 transitions. [2021-12-06 22:17:51,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-06 22:17:51,961 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:17:51,962 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:17:51,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-06 22:17:52,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:17:52,163 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:17:52,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:17:52,165 INFO L85 PathProgramCache]: Analyzing trace with hash -220185444, now seen corresponding path program 4 times [2021-12-06 22:17:52,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:17:52,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114244633] [2021-12-06 22:17:52,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:52,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:17:52,180 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 22:17:52,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1162213417] [2021-12-06 22:17:52,180 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-06 22:17:52,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:17:52,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:17:52,181 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:17:52,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 22:17:52,227 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-06 22:17:52,227 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:17:52,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 22:17:52,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:17:52,300 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-06 22:17:52,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:17:52,349 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-06 22:17:52,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:17:52,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114244633] [2021-12-06 22:17:52,349 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 22:17:52,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162213417] [2021-12-06 22:17:52,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162213417] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:17:52,350 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 22:17:52,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-12-06 22:17:52,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000775467] [2021-12-06 22:17:52,350 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 22:17:52,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 22:17:52,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:17:52,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 22:17:52,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:17:52,351 INFO L87 Difference]: Start difference. First operand 88 states and 101 transitions. Second operand has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:52,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:17:52,495 INFO L93 Difference]: Finished difference Result 104 states and 116 transitions. [2021-12-06 22:17:52,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:17:52,496 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-12-06 22:17:52,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:17:52,497 INFO L225 Difference]: With dead ends: 104 [2021-12-06 22:17:52,497 INFO L226 Difference]: Without dead ends: 95 [2021-12-06 22:17:52,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-12-06 22:17:52,498 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 109 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:17:52,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 35 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:17:52,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-12-06 22:17:52,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 83. [2021-12-06 22:17:52,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.1219512195121952) internal successors, (92), 82 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:52,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 92 transitions. [2021-12-06 22:17:52,511 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 92 transitions. Word has length 30 [2021-12-06 22:17:52,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:17:52,511 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 92 transitions. [2021-12-06 22:17:52,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:52,511 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2021-12-06 22:17:52,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-06 22:17:52,513 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:17:52,513 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:17:52,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 22:17:52,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-06 22:17:52,715 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:17:52,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:17:52,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1205583320, now seen corresponding path program 5 times [2021-12-06 22:17:52,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:17:52,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294082771] [2021-12-06 22:17:52,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:52,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:17:52,765 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 22:17:52,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1825211131] [2021-12-06 22:17:52,766 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-06 22:17:52,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:17:52,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:17:52,767 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:17:52,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 22:18:01,445 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-12-06 22:18:01,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:18:01,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 22:18:01,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:18:01,527 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-06 22:18:01,527 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:18:01,583 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-06 22:18:01,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:18:01,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294082771] [2021-12-06 22:18:01,584 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 22:18:01,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825211131] [2021-12-06 22:18:01,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825211131] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:18:01,584 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 22:18:01,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-12-06 22:18:01,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380971559] [2021-12-06 22:18:01,584 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 22:18:01,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 22:18:01,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:18:01,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 22:18:01,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-12-06 22:18:01,586 INFO L87 Difference]: Start difference. First operand 83 states and 92 transitions. Second operand has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:01,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:18:01,859 INFO L93 Difference]: Finished difference Result 112 states and 119 transitions. [2021-12-06 22:18:01,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 22:18:01,859 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-12-06 22:18:01,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:18:01,860 INFO L225 Difference]: With dead ends: 112 [2021-12-06 22:18:01,860 INFO L226 Difference]: Without dead ends: 91 [2021-12-06 22:18:01,860 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-12-06 22:18:01,861 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 106 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:18:01,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 82 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 22:18:01,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-12-06 22:18:01,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 68. [2021-12-06 22:18:01,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.0895522388059702) internal successors, (73), 67 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:01,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 73 transitions. [2021-12-06 22:18:01,868 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 73 transitions. Word has length 34 [2021-12-06 22:18:01,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:18:01,868 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 73 transitions. [2021-12-06 22:18:01,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:01,868 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions. [2021-12-06 22:18:01,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-06 22:18:01,869 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:18:01,869 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-12-06 22:18:01,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 22:18:02,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:18:02,071 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:18:02,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:18:02,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1737020496, now seen corresponding path program 1 times [2021-12-06 22:18:02,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:18:02,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349757020] [2021-12-06 22:18:02,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:18:02,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:18:02,085 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 22:18:02,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [460931468] [2021-12-06 22:18:02,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:18:02,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:18:02,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:18:02,087 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:18:02,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 22:18:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:02,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 47 conjunts are in the unsatisfiable core [2021-12-06 22:18:02,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:18:02,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 13 treesize of output 9 [2021-12-06 22:18:02,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 51 [2021-12-06 22:18:02,258 INFO L354 Elim1Store]: treesize reduction 66, result has 18.5 percent of original size [2021-12-06 22:18:02,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 64 [2021-12-06 22:18:02,263 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 22:18:02,281 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-12-06 22:18:02,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 26 [2021-12-06 22:18:02,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-12-06 22:18:02,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 51 [2021-12-06 22:18:02,360 INFO L354 Elim1Store]: treesize reduction 66, result has 18.5 percent of original size [2021-12-06 22:18:02,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 64 [2021-12-06 22:18:02,371 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 22:18:02,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:02,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 17 [2021-12-06 22:18:02,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-12-06 22:18:02,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 51 [2021-12-06 22:18:02,458 INFO L354 Elim1Store]: treesize reduction 66, result has 18.5 percent of original size [2021-12-06 22:18:02,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 64 [2021-12-06 22:18:02,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:02,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 19 [2021-12-06 22:18:02,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-12-06 22:18:02,536 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:18:02,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:18:03,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 58 treesize of output 54 [2021-12-06 22:18:03,790 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 22:18:03,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 61 [2021-12-06 22:18:03,895 INFO L388 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 20 treesize of output 11 [2021-12-06 22:18:03,947 INFO L388 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 19 treesize of output 11 [2021-12-06 22:18:04,005 INFO L354 Elim1Store]: treesize reduction 43, result has 21.8 percent of original size [2021-12-06 22:18:04,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 51 [2021-12-06 22:18:04,063 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:18:04,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:18:04,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349757020] [2021-12-06 22:18:04,063 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 22:18:04,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460931468] [2021-12-06 22:18:04,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460931468] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:18:04,063 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 22:18:04,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19] total 25 [2021-12-06 22:18:04,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596534276] [2021-12-06 22:18:04,064 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 22:18:04,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-12-06 22:18:04,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:18:04,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-06 22:18:04,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600 [2021-12-06 22:18:04,065 INFO L87 Difference]: Start difference. First operand 68 states and 73 transitions. Second operand has 25 states, 25 states have (on average 2.16) internal successors, (54), 25 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:05,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:18:05,001 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2021-12-06 22:18:05,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 22:18:05,002 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.16) internal successors, (54), 25 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-12-06 22:18:05,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:18:05,003 INFO L225 Difference]: With dead ends: 82 [2021-12-06 22:18:05,003 INFO L226 Difference]: Without dead ends: 55 [2021-12-06 22:18:05,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 42 SyntacticMatches, 7 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2021-12-06 22:18:05,004 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 54 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 53 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-06 22:18:05,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 194 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 462 Invalid, 0 Unknown, 53 Unchecked, 0.7s Time] [2021-12-06 22:18:05,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-12-06 22:18:05,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 43. [2021-12-06 22:18:05,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.119047619047619) internal successors, (47), 42 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:05,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2021-12-06 22:18:05,011 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 36 [2021-12-06 22:18:05,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:18:05,011 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2021-12-06 22:18:05,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.16) internal successors, (54), 25 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:05,011 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2021-12-06 22:18:05,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-12-06 22:18:05,012 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:18:05,012 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:18:05,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-06 22:18:05,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:18:05,214 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:18:05,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:18:05,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1201221586, now seen corresponding path program 6 times [2021-12-06 22:18:05,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:18:05,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271073090] [2021-12-06 22:18:05,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:18:05,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:18:05,250 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 22:18:05,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1676158808] [2021-12-06 22:18:05,250 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-06 22:18:05,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:18:05,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:18:05,251 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:18:05,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-06 22:18:05,615 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-12-06 22:18:05,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:18:05,621 WARN L261 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 82 conjunts are in the unsatisfiable core [2021-12-06 22:18:05,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:18:05,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2021-12-06 22:18:05,658 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 22:18:05,661 INFO L388 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 21 treesize of output 20 [2021-12-06 22:18:05,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 65 [2021-12-06 22:18:05,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:05,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:05,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:05,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 84 [2021-12-06 22:18:05,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:05,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 25 [2021-12-06 22:18:05,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 65 [2021-12-06 22:18:05,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:05,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:05,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:05,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 84 [2021-12-06 22:18:05,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:05,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 25 [2021-12-06 22:18:05,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 89 [2021-12-06 22:18:05,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:05,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:05,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 22:18:05,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 96 [2021-12-06 22:18:05,952 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 22:18:05,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:05,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 22 [2021-12-06 22:18:06,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 89 [2021-12-06 22:18:06,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 106 [2021-12-06 22:18:06,079 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 22:18:06,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 60 treesize of output 39 [2021-12-06 22:18:06,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 89 [2021-12-06 22:18:06,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 106 [2021-12-06 22:18:06,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 59 treesize of output 29 [2021-12-06 22:18:06,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 89 [2021-12-06 22:18:06,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 22:18:06,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 96 [2021-12-06 22:18:06,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 22 [2021-12-06 22:18:06,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2021-12-06 22:18:06,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 60 [2021-12-06 22:18:06,352 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 22:18:06,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 24 [2021-12-06 22:18:06,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-12-06 22:18:06,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-12-06 22:18:06,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2021-12-06 22:18:06,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,482 INFO L354 Elim1Store]: treesize reduction 19, result has 40.6 percent of original size [2021-12-06 22:18:06,482 INFO L388 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 48 treesize of output 68 [2021-12-06 22:18:06,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 15 [2021-12-06 22:18:06,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-12-06 22:18:06,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 59 [2021-12-06 22:18:06,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,653 INFO L354 Elim1Store]: treesize reduction 19, result has 40.6 percent of original size [2021-12-06 22:18:06,654 INFO L388 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 58 treesize of output 78 [2021-12-06 22:18:06,663 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 22:18:06,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2021-12-06 22:18:06,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 24 [2021-12-06 22:18:06,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2021-12-06 22:18:06,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:18:06,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 21 [2021-12-06 22:18:06,962 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:18:06,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:19:06,164 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (and (or (< 2147483647 .cse0) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse1 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse1 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ .cse1 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (= (select (store (store (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse3 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)))) (store .cse2 .cse3 (+ (- 1) (select .cse2 .cse3)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse4 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse4 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ .cse4 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (= (select (store (store (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)))) (store .cse5 .cse6 (+ (- 1) (select .cse5 .cse6)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))))) (or (<= .cse0 2147483647) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse7 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse7 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (let ((.cse8 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse9 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)))) (store .cse8 .cse9 (+ (- 1) (select .cse8 .cse9)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (<= c_~N~0 (+ .cse7 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse10 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse10 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (let ((.cse11 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse12 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)))) (store .cse11 .cse12 (+ (- 1) (select .cse11 .cse12)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (<= c_~N~0 (+ .cse10 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))))))) is different from false [2021-12-06 22:19:08,247 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse1 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (= (select (store (store (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (store .cse0 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|) (- 1)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< (+ .cse1 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ .cse1 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse2 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse2 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (= (select (store (store (let ((.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (store .cse3 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select .cse3 |c_ULTIMATE.start_main_~a~0#1.offset|) (- 1)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ .cse2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647))))) is different from false [2021-12-06 22:19:10,927 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse3 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (let ((.cse0 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (and (or (< 2147483647 .cse0) (forall ((v_ArrVal_287 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse1 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_287))) (store .cse1 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))) (or (<= .cse0 2147483647) (forall ((v_ArrVal_287 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= 0 (select (store (store (let ((.cse2 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_287))) (store .cse2 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (< (+ .cse3 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ .cse3 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse4 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse4 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (let ((.cse5 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (and (or (< 2147483647 .cse5) (forall ((v_ArrVal_287 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse6 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_287))) (store .cse6 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse6 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))) (or (<= .cse5 2147483647) (forall ((v_ArrVal_287 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse7 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_287))) (store .cse7 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse7 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))))) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ .cse4 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647))))) is different from false [2021-12-06 22:19:13,178 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse0 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse0 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ .cse0 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (let ((.cse2 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (and (or (forall ((v_ArrVal_287 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse1 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_287))) (store .cse1 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (<= .cse2 2147483647)) (or (forall ((v_ArrVal_287 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse3 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_287))) (store .cse3 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse3 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (< 2147483647 .cse2))))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse4 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse4 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (let ((.cse6 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (and (or (forall ((v_ArrVal_287 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse5 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_287))) (store .cse5 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse5 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (< 2147483647 .cse6)) (or (forall ((v_ArrVal_287 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse7 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_287))) (store .cse7 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse7 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (<= .cse6 2147483647)))) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ .cse4 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))) is different from false [2021-12-06 22:19:16,317 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse8 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (and (or (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse0 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse0 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ .cse0 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (let ((.cse2 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (and (or (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse1 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_287))) (store .cse1 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (< 2147483647 .cse2)) (or (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse3 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_287))) (store .cse3 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse3 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (<= .cse2 2147483647))))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse4 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse4 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (let ((.cse6 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (and (or (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse5 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_287))) (store .cse5 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse5 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (<= .cse6 2147483647)) (or (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse7 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_287))) (store .cse7 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse7 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (< 2147483647 .cse6)))) (<= c_~N~0 (+ .cse4 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))) (<= .cse8 2147483647)) (or (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse9 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse9 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ .cse9 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (let ((.cse11 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (and (or (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse10 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_287))) (store .cse10 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse10 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (< 2147483647 .cse11)) (or (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse12 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_287))) (store .cse12 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse12 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (<= .cse11 2147483647)))) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse13 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse13 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (let ((.cse15 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (and (or (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse14 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_287))) (store .cse14 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse14 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (< 2147483647 .cse15)) (or (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse16 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_287))) (store .cse16 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse16 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (<= .cse15 2147483647)))) (<= c_~N~0 (+ .cse13 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647))))) (< 2147483647 .cse8)))) is different from false [2021-12-06 22:19:18,903 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse8 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (and (or (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse0 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse0 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (let ((.cse1 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (and (or (<= .cse1 2147483647) (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse2 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8) (- 34359738368)) v_ArrVal_287))) (store .cse2 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))) (or (< 2147483647 .cse1) (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse3 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8)) v_ArrVal_287))) (store .cse3 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse3 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))))) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ .cse0 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse4 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse4 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (let ((.cse5 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (and (or (< 2147483647 .cse5) (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse6 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8)) v_ArrVal_287))) (store .cse6 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse6 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))) (or (<= .cse5 2147483647) (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse7 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8) (- 34359738368)) v_ArrVal_287))) (store .cse7 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse7 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))))) (<= c_~N~0 (+ .cse4 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))) (<= .cse8 2147483647)) (or (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse9 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse9 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ .cse9 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (let ((.cse10 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (and (or (<= .cse10 2147483647) (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse11 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8) (- 34359738368)) v_ArrVal_287))) (store .cse11 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse11 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))) (or (< 2147483647 .cse10) (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse12 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8)) v_ArrVal_287))) (store .cse12 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse12 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)))))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse13 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse13 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (let ((.cse14 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (and (or (< 2147483647 .cse14) (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse15 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8)) v_ArrVal_287))) (store .cse15 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse15 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))) (or (<= .cse14 2147483647) (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse16 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8) (- 34359738368)) v_ArrVal_287))) (store .cse16 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse16 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))))) (<= c_~N~0 (+ .cse13 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))) (< 2147483647 .cse8)))) is different from false [2021-12-06 22:20:51,185 WARN L227 SmtUtils]: Spent 43.56s on a formula simplification. DAG size of input: 192 DAG size of output: 94 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:20:53,285 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse0 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse0 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse1 (store (store (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (store .cse2 |c_ULTIMATE.start_main_~a~0#1.offset| (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16) v_ArrVal_287))) (store .cse1 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (<= c_~N~0 (+ .cse0 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse3 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse3 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse4 (store (store (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (store .cse5 |c_ULTIMATE.start_main_~a~0#1.offset| (select .cse5 |c_ULTIMATE.start_main_~a~0#1.offset|))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16) v_ArrVal_287))) (store .cse4 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse4 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (<= c_~N~0 (+ .cse3 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))) is different from false [2021-12-06 22:21:04,363 WARN L227 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:21:16,966 WARN L227 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 65 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:21:37,168 WARN L227 SmtUtils]: Spent 15.26s on a formula simplification. DAG size of input: 103 DAG size of output: 72 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:21:49,662 WARN L227 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:22:02,631 WARN L227 SmtUtils]: Spent 6.15s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:22:45,618 WARN L227 SmtUtils]: Spent 35.87s on a formula simplification. DAG size of input: 114 DAG size of output: 80 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:22:49,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 58 treesize of output 54 [2021-12-06 22:22:49,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 22:22:49,066 INFO L354 Elim1Store]: treesize reduction 39, result has 2.5 percent of original size [2021-12-06 22:22:49,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 1 [2021-12-06 22:22:49,072 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 12 not checked. [2021-12-06 22:22:49,072 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:22:49,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271073090] [2021-12-06 22:22:49,072 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 22:22:49,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676158808] [2021-12-06 22:22:49,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676158808] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:22:49,072 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 22:22:49,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 30] total 50 [2021-12-06 22:22:49,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337093159] [2021-12-06 22:22:49,072 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 22:22:49,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2021-12-06 22:22:49,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:22:49,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-12-06 22:22:49,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=336, Invalid=1436, Unknown=62, NotChecked=616, Total=2450 [2021-12-06 22:22:49,074 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand has 50 states, 50 states have (on average 1.54) internal successors, (77), 50 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:23:02,403 WARN L227 SmtUtils]: Spent 6.73s on a formula simplification that was a NOOP. DAG size: 103 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:23:38,458 WARN L227 SmtUtils]: Spent 23.41s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:24:12,470 WARN L227 SmtUtils]: Spent 23.79s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:24:14,699 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse16 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse16 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse17 (store (store (let ((.cse18 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (store .cse18 |c_ULTIMATE.start_main_~a~0#1.offset| (select .cse18 |c_ULTIMATE.start_main_~a~0#1.offset|))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16) v_ArrVal_287))) (store .cse17 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (<= c_~N~0 (+ .cse16 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647))))) (.cse2 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse13 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse13 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse14 (store (store (let ((.cse15 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (store .cse15 |c_ULTIMATE.start_main_~a~0#1.offset| (select .cse15 |c_ULTIMATE.start_main_~a~0#1.offset|))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16) v_ArrVal_287))) (store .cse14 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse14 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (<= c_~N~0 (+ .cse13 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))) (.cse0 (< (+ |c_ULTIMATE.start_main_~i~0#1| 1) c_~N~0))) (and (or .cse0 (and .cse1 .cse2)) .cse1 .cse2 (or (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse7 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse3 (store (store (let ((.cse4 (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)))) (store .cse5 .cse6 (+ (select .cse5 .cse6) |c_ULTIMATE.start_main_~i~0#1|))))) (store .cse4 |c_ULTIMATE.start_main_~a~0#1.offset| (select .cse4 |c_ULTIMATE.start_main_~a~0#1.offset|))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16) v_ArrVal_287))) (store .cse3 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse3 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (< (+ .cse7 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ .cse7 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse8 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse8 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse9 (store (store (let ((.cse10 (let ((.cse11 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse12 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)))) (store .cse11 .cse12 (+ (select .cse11 .cse12) |c_ULTIMATE.start_main_~i~0#1|))))) (store .cse10 |c_ULTIMATE.start_main_~a~0#1.offset| (select .cse10 |c_ULTIMATE.start_main_~a~0#1.offset|))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16) v_ArrVal_287))) (store .cse9 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse9 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (<= c_~N~0 (+ .cse8 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))) (<= c_~N~0 |c_ULTIMATE.start_main_~i~0#1|) .cse0))) is different from false [2021-12-06 22:24:39,175 WARN L227 SmtUtils]: Spent 11.12s on a formula simplification that was a NOOP. DAG size: 98 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:24:41,185 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse5 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse5 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse6 (store (store (let ((.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (store .cse7 |c_ULTIMATE.start_main_~a~0#1.offset| (select .cse7 |c_ULTIMATE.start_main_~a~0#1.offset|))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16) v_ArrVal_287))) (store .cse6 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse6 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (<= c_~N~0 (+ .cse5 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647))))) (.cse1 (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse2 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse2 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (forall ((v_ArrVal_287 Int) (v_ArrVal_285 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse3 (store (store (let ((.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (store .cse4 |c_ULTIMATE.start_main_~a~0#1.offset| (select .cse4 |c_ULTIMATE.start_main_~a~0#1.offset|))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8) v_ArrVal_285) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16) v_ArrVal_287))) (store .cse3 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse3 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (<= c_~N~0 (+ .cse2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))))) (and .cse0 .cse1 (or (< |c_ULTIMATE.start_main_~i~0#1| c_~N~0) (and .cse0 .cse1)))) is different from false [2021-12-06 22:25:06,734 WARN L227 SmtUtils]: Spent 14.42s on a formula simplification that was a NOOP. DAG size: 97 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:25:31,745 WARN L227 SmtUtils]: Spent 15.22s on a formula simplification. DAG size of input: 192 DAG size of output: 74 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:25:49,000 WARN L227 SmtUtils]: Spent 10.68s on a formula simplification. DAG size of input: 191 DAG size of output: 73 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:25:51,280 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse1 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (= (select (store (store (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (store .cse0 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|) (- 1)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< (+ .cse1 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ .cse1 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse2 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse2 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ .cse2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (let ((.cse4 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (and (or (forall ((v_ArrVal_287 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse3 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_287))) (store .cse3 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse3 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (<= .cse4 2147483647)) (or (forall ((v_ArrVal_287 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse5 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_287))) (store .cse5 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse5 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (< 2147483647 .cse4))))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse6 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse6 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (= (select (store (store (let ((.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (store .cse7 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select .cse7 |c_ULTIMATE.start_main_~a~0#1.offset|) (- 1)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ .cse6 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse8 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse8 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (let ((.cse10 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (and (or (forall ((v_ArrVal_287 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse9 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_287))) (store .cse9 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse9 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (< 2147483647 .cse10)) (or (forall ((v_ArrVal_287 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse11 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_287))) (store .cse11 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse11 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (<= .cse10 2147483647)))) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ .cse8 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0))))) is different from false [2021-12-06 22:25:53,556 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse1 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (= (select (store (store (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (store .cse0 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|) (- 1)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (< (+ .cse1 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ .cse1 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse2 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse2 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (= (select (store (store (let ((.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (store .cse3 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (select .cse3 |c_ULTIMATE.start_main_~a~0#1.offset|) (- 1)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ .cse2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse7 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (let ((.cse4 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (and (or (< 2147483647 .cse4) (forall ((v_ArrVal_287 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse5 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_287))) (store .cse5 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse5 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))) (or (<= .cse4 2147483647) (forall ((v_ArrVal_287 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= 0 (select (store (store (let ((.cse6 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_287))) (store .cse6 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse6 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (< (+ .cse7 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ .cse7 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse8 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (< (+ .cse8 2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) c_~N~0) (let ((.cse9 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (and (or (< 2147483647 .cse9) (forall ((v_ArrVal_287 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse10 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_287))) (store .cse10 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse10 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))) (or (<= .cse9 2147483647) (forall ((v_ArrVal_287 Int) (v_ArrVal_293 Int) (v_ArrVal_291 Int)) (= (select (store (store (let ((.cse11 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_287))) (store .cse11 |c_ULTIMATE.start_main_~a~0#1.offset| (+ (- 1) (select .cse11 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (+ (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)) v_ArrVal_291) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) 4294967296) 8)) v_ArrVal_293) |c_ULTIMATE.start_main_~a~0#1.offset|) 0))))) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (<= c_~N~0 (+ .cse8 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647))))) is different from false [2021-12-06 22:26:05,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:26:05,548 INFO L93 Difference]: Finished difference Result 114 states and 129 transitions. [2021-12-06 22:26:05,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-12-06 22:26:05,549 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 1.54) internal successors, (77), 50 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-12-06 22:26:05,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:26:05,551 INFO L225 Difference]: With dead ends: 114 [2021-12-06 22:26:05,551 INFO L226 Difference]: Without dead ends: 112 [2021-12-06 22:26:05,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 25 SyntacticMatches, 12 SemanticMatches, 67 ConstructedPredicates, 11 IntricatePredicates, 0 DeprecatedPredicates, 1267 ImplicationChecksByTransitivity, 470.2s TimeCoverageRelationStatistics Valid=635, Invalid=2621, Unknown=94, NotChecked=1342, Total=4692 [2021-12-06 22:26:05,553 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 41 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 749 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 22:26:05,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 205 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 255 Invalid, 0 Unknown, 749 Unchecked, 0.4s Time] [2021-12-06 22:26:05,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-12-06 22:26:05,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 88. [2021-12-06 22:26:05,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 87 states have (on average 1.160919540229885) internal successors, (101), 87 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:26:05,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 101 transitions. [2021-12-06 22:26:05,564 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 101 transitions. Word has length 40 [2021-12-06 22:26:05,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:26:05,565 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 101 transitions. [2021-12-06 22:26:05,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 1.54) internal successors, (77), 50 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:26:05,565 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 101 transitions. [2021-12-06 22:26:05,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-06 22:26:05,566 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:26:05,566 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:26:05,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-06 22:26:05,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-12-06 22:26:05,767 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:26:05,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:05,768 INFO L85 PathProgramCache]: Analyzing trace with hash 673126032, now seen corresponding path program 7 times [2021-12-06 22:26:05,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:26:05,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409947057] [2021-12-06 22:26:05,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:05,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:26:05,802 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 22:26:05,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [687138440] [2021-12-06 22:26:05,803 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-12-06 22:26:05,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:26:05,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:26:05,805 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:26:05,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-06 22:26:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:05,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 22:26:05,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:26:05,993 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-06 22:26:05,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:26:06,090 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-06 22:26:06,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:26:06,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409947057] [2021-12-06 22:26:06,091 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 22:26:06,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687138440] [2021-12-06 22:26:06,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687138440] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:26:06,091 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 22:26:06,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2021-12-06 22:26:06,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949034079] [2021-12-06 22:26:06,091 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 22:26:06,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-06 22:26:06,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:26:06,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-06 22:26:06,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2021-12-06 22:26:06,092 INFO L87 Difference]: Start difference. First operand 88 states and 101 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:26:06,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:26:06,371 INFO L93 Difference]: Finished difference Result 195 states and 217 transitions. [2021-12-06 22:26:06,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 22:26:06,371 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-12-06 22:26:06,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:26:06,372 INFO L225 Difference]: With dead ends: 195 [2021-12-06 22:26:06,372 INFO L226 Difference]: Without dead ends: 140 [2021-12-06 22:26:06,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2021-12-06 22:26:06,374 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 157 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:26:06,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 81 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 22:26:06,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-12-06 22:26:06,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 97. [2021-12-06 22:26:06,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.1145833333333333) internal successors, (107), 96 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:26:06,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 107 transitions. [2021-12-06 22:26:06,385 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 107 transitions. Word has length 42 [2021-12-06 22:26:06,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:26:06,386 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 107 transitions. [2021-12-06 22:26:06,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:26:06,386 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 107 transitions. [2021-12-06 22:26:06,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-12-06 22:26:06,387 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:26:06,387 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:26:06,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-06 22:26:06,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:26:06,588 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:26:06,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:06,590 INFO L85 PathProgramCache]: Analyzing trace with hash 2112995272, now seen corresponding path program 2 times [2021-12-06 22:26:06,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:26:06,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760142991] [2021-12-06 22:26:06,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:06,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:26:06,631 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 22:26:06,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [832856022] [2021-12-06 22:26:06,631 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:26:06,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:26:06,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:26:06,633 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:26:06,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-06 22:26:06,791 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 22:26:06,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:26:06,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 68 conjunts are in the unsatisfiable core [2021-12-06 22:26:06,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:26:06,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2021-12-06 22:26:06,833 INFO L388 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 21 treesize of output 20 [2021-12-06 22:26:06,836 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 22:26:06,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:06,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 22:26:06,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 51 [2021-12-06 22:26:06,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:06,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:06,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:06,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 64 [2021-12-06 22:26:06,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:06,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 26 [2021-12-06 22:26:06,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 103 [2021-12-06 22:26:06,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:06,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 104 [2021-12-06 22:26:07,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:07,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 34 [2021-12-06 22:26:07,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:07,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 22:26:07,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 91 [2021-12-06 22:26:07,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:07,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:07,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:07,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 110 [2021-12-06 22:26:07,120 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 22:26:07,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:07,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:07,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:07,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 52 treesize of output 22 [2021-12-06 22:26:07,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 101 [2021-12-06 22:26:07,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:07,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 102 [2021-12-06 22:26:07,177 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 22:26:07,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:07,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 28 [2021-12-06 22:26:07,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:07,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 22:26:07,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 91 [2021-12-06 22:26:07,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:07,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:07,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:07,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 110 [2021-12-06 22:26:07,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:07,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:07,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:07,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 65 treesize of output 31 [2021-12-06 22:26:07,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 99 [2021-12-06 22:26:07,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:07,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 100 [2021-12-06 22:26:07,373 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 22:26:07,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:07,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 26 [2021-12-06 22:26:07,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:26:07,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 22:26:07,482 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:26:07,483 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:26:37,242 WARN L227 SmtUtils]: Spent 14.11s on a formula simplification. DAG size of input: 51 DAG size of output: 31 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:26:39,270 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_423 Int) (v_ArrVal_419 Int) (v_ArrVal_417 Int)) (let ((.cse0 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_417))) (or (< (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|) (+ v_ArrVal_419 1)) (= (let ((.cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (select (store (let ((.cse1 (store .cse0 |c_ULTIMATE.start_main_~a~0#1.offset| v_ArrVal_419))) (store .cse1 .cse2 (+ (- 1) (select .cse1 .cse2)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16) v_ArrVal_423) .cse2)) 1)))) is different from false [2021-12-06 22:27:00,998 WARN L227 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 61 DAG size of output: 38 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:27:03,026 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_423 Int) (v_ArrVal_419 Int) (v_ArrVal_417 Int)) (let ((.cse0 (store (let ((.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse4 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)))) (store .cse3 .cse4 (+ |c_ULTIMATE.start_main_~i~0#1| (select .cse3 .cse4) 1))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8)) v_ArrVal_417))) (or (< (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|) (+ v_ArrVal_419 1)) (= (let ((.cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (select (store (let ((.cse1 (store .cse0 |c_ULTIMATE.start_main_~a~0#1.offset| v_ArrVal_419))) (store .cse1 .cse2 (+ (- 1) (select .cse1 .cse2)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16) v_ArrVal_423) .cse2)) 1)))) is different from false [2021-12-06 22:27:30,202 WARN L227 SmtUtils]: Spent 8.68s on a formula simplification. DAG size of input: 72 DAG size of output: 46 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:27:31,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 58 treesize of output 54 [2021-12-06 22:27:31,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 22:27:31,777 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 22:27:31,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 61 [2021-12-06 22:27:31,829 INFO L388 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 19 treesize of output 11 [2021-12-06 22:27:31,864 INFO L388 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 20 treesize of output 11 [2021-12-06 22:27:32,003 INFO L354 Elim1Store]: treesize reduction 43, result has 21.8 percent of original size [2021-12-06 22:27:32,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 284 treesize of output 271 [2021-12-06 22:27:32,249 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2021-12-06 22:27:32,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:27:32,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760142991] [2021-12-06 22:27:32,249 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 22:27:32,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832856022] [2021-12-06 22:27:32,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832856022] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:27:32,250 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 22:27:32,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 25] total 39 [2021-12-06 22:27:32,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834676196] [2021-12-06 22:27:32,250 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 22:27:32,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-12-06 22:27:32,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:27:32,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-12-06 22:27:32,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1171, Unknown=21, NotChecked=142, Total=1482 [2021-12-06 22:27:32,251 INFO L87 Difference]: Start difference. First operand 97 states and 107 transitions. Second operand has 39 states, 39 states have (on average 2.1025641025641026) internal successors, (82), 39 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:27:39,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:27:39,436 INFO L93 Difference]: Finished difference Result 137 states and 147 transitions. [2021-12-06 22:27:39,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-06 22:27:39,437 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 2.1025641025641026) internal successors, (82), 39 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-12-06 22:27:39,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:27:39,438 INFO L225 Difference]: With dead ends: 137 [2021-12-06 22:27:39,438 INFO L226 Difference]: Without dead ends: 135 [2021-12-06 22:27:39,439 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 41 SyntacticMatches, 14 SemanticMatches, 41 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 626 ImplicationChecksByTransitivity, 89.9s TimeCoverageRelationStatistics Valid=188, Invalid=1437, Unknown=23, NotChecked=158, Total=1806 [2021-12-06 22:27:39,439 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 49 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 544 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 22:27:39,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 221 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 289 Invalid, 0 Unknown, 544 Unchecked, 0.4s Time] [2021-12-06 22:27:39,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-12-06 22:27:39,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 120. [2021-12-06 22:27:39,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 119 states have (on average 1.0924369747899159) internal successors, (130), 119 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:27:39,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 130 transitions. [2021-12-06 22:27:39,458 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 130 transitions. Word has length 44 [2021-12-06 22:27:39,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:27:39,458 INFO L470 AbstractCegarLoop]: Abstraction has 120 states and 130 transitions. [2021-12-06 22:27:39,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 2.1025641025641026) internal successors, (82), 39 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:27:39,459 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 130 transitions. [2021-12-06 22:27:39,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-12-06 22:27:39,459 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:27:39,460 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:27:39,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-06 22:27:39,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-06 22:27:39,662 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:27:39,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:27:39,663 INFO L85 PathProgramCache]: Analyzing trace with hash -22665458, now seen corresponding path program 8 times [2021-12-06 22:27:39,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:27:39,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710658932] [2021-12-06 22:27:39,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:27:39,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:27:39,699 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 22:27:39,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1193899527] [2021-12-06 22:27:39,699 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:27:39,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:27:39,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:27:39,701 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:27:39,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-06 22:27:39,772 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 22:27:39,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:27:39,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 22:27:39,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:27:39,886 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-12-06 22:27:39,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:27:39,978 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-12-06 22:27:39,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:27:39,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710658932] [2021-12-06 22:27:39,978 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 22:27:39,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193899527] [2021-12-06 22:27:39,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193899527] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:27:39,978 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 22:27:39,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2021-12-06 22:27:39,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342581032] [2021-12-06 22:27:39,978 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 22:27:39,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-06 22:27:39,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:27:39,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-06 22:27:39,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2021-12-06 22:27:39,979 INFO L87 Difference]: Start difference. First operand 120 states and 130 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:27:40,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:27:40,535 INFO L93 Difference]: Finished difference Result 155 states and 163 transitions. [2021-12-06 22:27:40,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-06 22:27:40,535 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-12-06 22:27:40,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:27:40,536 INFO L225 Difference]: With dead ends: 155 [2021-12-06 22:27:40,536 INFO L226 Difference]: Without dead ends: 115 [2021-12-06 22:27:40,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2021-12-06 22:27:40,537 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 118 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 22:27:40,537 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 129 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 22:27:40,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-12-06 22:27:40,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 86. [2021-12-06 22:27:40,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 85 states have (on average 1.0705882352941176) internal successors, (91), 85 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:27:40,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2021-12-06 22:27:40,546 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 44 [2021-12-06 22:27:40,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:27:40,546 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2021-12-06 22:27:40,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:27:40,546 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2021-12-06 22:27:40,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-06 22:27:40,547 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:27:40,547 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:27:40,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-12-06 22:27:40,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:27:40,749 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:27:40,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:27:40,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1258986306, now seen corresponding path program 3 times [2021-12-06 22:27:40,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:27:40,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506168453] [2021-12-06 22:27:40,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:27:40,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:27:40,781 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 22:27:40,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1080729396] [2021-12-06 22:27:40,782 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 22:27:40,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:27:40,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:27:40,784 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:27:40,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f5dda2-e05f-4b28-bd36-154a167da0fb/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-06 22:27:41,190 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-12-06 22:27:41,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:27:41,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 84 conjunts are in the unsatisfiable core [2021-12-06 22:27:41,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:27:41,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2021-12-06 22:27:41,292 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 22:27:41,296 INFO L388 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 21 treesize of output 20 [2021-12-06 22:27:41,370 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-12-06 22:27:41,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-12-06 22:27:41,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 63 [2021-12-06 22:27:41,475 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-06 22:27:41,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 82 [2021-12-06 22:27:41,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:27:41,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 14 [2021-12-06 22:27:41,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:27:41,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 22 [2021-12-06 22:28:00,899 WARN L227 SmtUtils]: Spent 8.21s on a formula simplification. DAG size of input: 61 DAG size of output: 50 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:28:15,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 81 [2021-12-06 22:28:15,204 INFO L354 Elim1Store]: treesize reduction 151, result has 20.9 percent of original size [2021-12-06 22:28:15,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 80 treesize of output 113 [2021-12-06 22:28:15,221 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 22:28:15,327 INFO L354 Elim1Store]: treesize reduction 50, result has 2.0 percent of original size [2021-12-06 22:28:15,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 81 [2021-12-06 22:28:24,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 90 [2021-12-06 22:28:24,290 INFO L354 Elim1Store]: treesize reduction 78, result has 31.0 percent of original size [2021-12-06 22:28:24,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 119 [2021-12-06 22:28:24,315 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 22:28:24,339 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 22:28:24,446 INFO L354 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2021-12-06 22:28:24,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 126 treesize of output 92 [2021-12-06 22:28:31,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 131 [2021-12-06 22:28:31,753 INFO L354 Elim1Store]: treesize reduction 233, result has 19.9 percent of original size [2021-12-06 22:28:31,753 INFO L388 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 7 case distinctions, treesize of input 130 treesize of output 166 [2021-12-06 22:28:31,917 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 22:28:31,962 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 22:28:32,080 INFO L354 Elim1Store]: treesize reduction 47, result has 25.4 percent of original size [2021-12-06 22:28:32,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 158 treesize of output 124 [2021-12-06 22:28:52,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 73 [2021-12-06 22:28:52,204 INFO L354 Elim1Store]: treesize reduction 66, result has 18.5 percent of original size [2021-12-06 22:28:52,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 86 [2021-12-06 22:28:52,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:28:52,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 19 [2021-12-06 22:28:56,751 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-12-06 22:28:56,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 44 [2021-12-06 22:28:56,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 113 [2021-12-06 22:28:56,930 INFO L354 Elim1Store]: treesize reduction 205, result has 18.3 percent of original size [2021-12-06 22:28:56,930 INFO L388 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 7 case distinctions, treesize of input 112 treesize of output 140 [2021-12-06 22:28:57,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:28:57,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:28:57,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:28:57,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 73 treesize of output 52 [2021-12-06 22:28:57,230 INFO L354 Elim1Store]: treesize reduction 43, result has 21.8 percent of original size [2021-12-06 22:28:57,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 137 treesize of output 110 [2021-12-06 22:29:37,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 147 [2021-12-06 22:29:37,451 INFO L354 Elim1Store]: treesize reduction 66, result has 18.5 percent of original size [2021-12-06 22:29:37,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 146 treesize of output 152 [2021-12-06 22:29:37,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:29:37,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 19 [2021-12-06 22:29:50,275 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-12-06 22:29:50,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 110 [2021-12-06 22:29:50,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 187 [2021-12-06 22:29:50,936 INFO L354 Elim1Store]: treesize reduction 205, result has 18.3 percent of original size [2021-12-06 22:29:50,936 INFO L388 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 7 case distinctions, treesize of input 186 treesize of output 206 [2021-12-06 22:29:51,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:29:51,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:29:51,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:29:51,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 98 treesize of output 77 [2021-12-06 22:29:51,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:29:51,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:29:51,592 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 22:29:51,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 169 treesize of output 143 [2021-12-06 22:31:32,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 196 treesize of output 154 [2021-12-06 22:31:32,332 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:31:32,332 INFO L328 TraceCheckSpWp]: Computing backward predicates...