/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/stack_longer-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 13:12:29,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 13:12:29,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 13:12:29,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 13:12:29,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 13:12:29,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 13:12:29,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 13:12:29,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 13:12:29,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 13:12:29,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 13:12:29,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 13:12:29,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 13:12:29,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 13:12:29,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 13:12:29,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 13:12:29,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 13:12:29,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 13:12:29,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 13:12:29,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 13:12:29,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 13:12:29,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 13:12:29,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 13:12:29,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 13:12:29,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 13:12:29,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 13:12:29,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 13:12:29,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 13:12:29,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 13:12:29,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 13:12:29,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 13:12:29,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 13:12:29,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 13:12:29,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 13:12:29,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 13:12:29,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 13:12:29,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 13:12:29,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 13:12:29,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 13:12:29,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 13:12:29,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 13:12:29,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 13:12:29,553 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-11 13:12:29,577 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 13:12:29,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 13:12:29,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 13:12:29,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 13:12:29,579 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 13:12:29,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 13:12:29,579 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 13:12:29,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 13:12:29,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 13:12:29,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 13:12:29,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 13:12:29,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 13:12:29,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 13:12:29,580 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 13:12:29,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 13:12:29,581 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 13:12:29,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 13:12:29,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 13:12:29,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 13:12:29,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 13:12:29,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 13:12:29,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 13:12:29,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 13:12:29,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 13:12:29,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 13:12:29,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 13:12:29,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 13:12:29,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-11 13:12:29,583 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-11 13:12:29,583 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 13:12:29,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 13:12:29,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 13:12:29,904 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 13:12:29,905 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 13:12:29,906 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 13:12:29,907 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-2.i [2020-10-11 13:12:29,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c5c32311/a3f0234a5ab8485ea9b6bf26c5ed20cb/FLAG74f1967b2 [2020-10-11 13:12:30,541 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 13:12:30,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i [2020-10-11 13:12:30,563 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c5c32311/a3f0234a5ab8485ea9b6bf26c5ed20cb/FLAG74f1967b2 [2020-10-11 13:12:30,814 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c5c32311/a3f0234a5ab8485ea9b6bf26c5ed20cb [2020-10-11 13:12:30,823 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 13:12:30,825 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 13:12:30,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 13:12:30,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 13:12:30,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 13:12:30,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:12:30" (1/1) ... [2020-10-11 13:12:30,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15c59e11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:30, skipping insertion in model container [2020-10-11 13:12:30,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:12:30" (1/1) ... [2020-10-11 13:12:30,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 13:12:30,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 13:12:31,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 13:12:31,445 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 13:12:31,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 13:12:31,635 INFO L208 MainTranslator]: Completed translation [2020-10-11 13:12:31,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:31 WrapperNode [2020-10-11 13:12:31,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 13:12:31,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 13:12:31,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 13:12:31,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 13:12:31,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:31" (1/1) ... [2020-10-11 13:12:31,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:31" (1/1) ... [2020-10-11 13:12:31,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 13:12:31,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 13:12:31,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 13:12:31,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 13:12:31,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:31" (1/1) ... [2020-10-11 13:12:31,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:31" (1/1) ... [2020-10-11 13:12:31,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:31" (1/1) ... [2020-10-11 13:12:31,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:31" (1/1) ... [2020-10-11 13:12:31,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:31" (1/1) ... [2020-10-11 13:12:31,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:31" (1/1) ... [2020-10-11 13:12:31,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:31" (1/1) ... [2020-10-11 13:12:31,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 13:12:31,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 13:12:31,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 13:12:31,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 13:12:31,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 13:12:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-11 13:12:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-11 13:12:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-11 13:12:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-11 13:12:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 13:12:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 13:12:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-11 13:12:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 13:12:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-11 13:12:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-11 13:12:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 13:12:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 13:12:31,798 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 13:12:32,270 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 13:12:32,270 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-11 13:12:32,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:12:32 BoogieIcfgContainer [2020-10-11 13:12:32,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 13:12:32,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 13:12:32,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 13:12:32,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 13:12:32,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 01:12:30" (1/3) ... [2020-10-11 13:12:32,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@427f89b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:12:32, skipping insertion in model container [2020-10-11 13:12:32,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:12:31" (2/3) ... [2020-10-11 13:12:32,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@427f89b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:12:32, skipping insertion in model container [2020-10-11 13:12:32,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:12:32" (3/3) ... [2020-10-11 13:12:32,282 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longer-2.i [2020-10-11 13:12:32,295 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-11 13:12:32,296 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 13:12:32,304 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-11 13:12:32,305 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 13:12:32,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,345 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,345 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,346 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,346 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,346 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,347 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,347 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,347 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,347 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,348 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,348 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,348 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,348 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,349 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,349 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,349 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,350 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,350 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,350 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,350 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,351 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,351 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,351 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,352 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,352 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,352 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,352 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,353 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,353 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,354 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,354 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,354 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,354 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,354 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,357 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,359 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,359 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,359 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,359 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,360 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,360 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,360 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,360 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,361 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,361 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,361 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,361 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,362 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,362 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,362 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,362 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,363 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,363 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,363 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,364 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,364 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,364 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,364 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,365 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,366 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,366 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,366 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,367 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,367 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,367 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,367 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,368 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,368 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,368 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,369 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,369 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,369 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,369 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,370 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,370 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,370 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,370 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,371 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,371 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,371 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,371 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,372 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,372 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,372 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,372 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,373 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,373 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,373 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,374 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,374 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,374 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,374 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,375 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,375 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,375 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,376 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,376 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,376 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,376 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,377 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,377 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,377 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,377 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,378 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,378 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,378 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,379 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,379 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,379 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,379 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,380 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,380 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,380 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,380 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,384 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,385 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,385 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,385 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,386 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,386 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,386 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,386 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,386 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,387 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,387 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,387 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,387 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,388 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,388 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,388 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,388 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,389 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,389 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,389 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,389 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,389 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,390 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,397 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,397 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,398 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,398 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,398 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,398 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,398 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,399 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,399 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,399 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,399 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,400 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,400 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,400 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,400 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,401 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,401 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,401 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 13:12:32,424 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-11 13:12:32,443 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 13:12:32,443 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-11 13:12:32,444 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 13:12:32,444 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 13:12:32,444 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 13:12:32,444 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 13:12:32,444 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 13:12:32,444 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 13:12:32,461 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-11 13:12:32,464 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 138 transitions, 298 flow [2020-10-11 13:12:32,467 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 138 transitions, 298 flow [2020-10-11 13:12:32,470 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 133 places, 138 transitions, 298 flow [2020-10-11 13:12:32,552 INFO L129 PetriNetUnfolder]: 11/138 cut-off events. [2020-10-11 13:12:32,553 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-11 13:12:32,560 INFO L80 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 138 events. 11/138 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 342 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 106. Up to 3 conditions per place. [2020-10-11 13:12:32,567 INFO L117 LiptonReduction]: Number of co-enabled transitions 5744 [2020-10-11 13:12:34,436 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-10-11 13:12:35,868 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2020-10-11 13:12:36,057 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-11 13:12:36,200 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2020-10-11 13:12:36,498 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-11 13:12:36,702 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-11 13:12:36,714 INFO L132 LiptonReduction]: Checked pairs total: 10440 [2020-10-11 13:12:36,714 INFO L134 LiptonReduction]: Total number of compositions: 123 [2020-10-11 13:12:36,721 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 40 transitions, 102 flow [2020-10-11 13:12:36,746 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 331 states. [2020-10-11 13:12:36,749 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states. [2020-10-11 13:12:36,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-11 13:12:36,756 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:36,757 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-11 13:12:36,757 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:36,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:36,763 INFO L82 PathProgramCache]: Analyzing trace with hash -290275557, now seen corresponding path program 1 times [2020-10-11 13:12:36,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:36,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470281264] [2020-10-11 13:12:36,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:36,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:36,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470281264] [2020-10-11 13:12:36,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:12:36,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 13:12:36,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568695271] [2020-10-11 13:12:36,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 13:12:36,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:12:37,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 13:12:37,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 13:12:37,015 INFO L87 Difference]: Start difference. First operand 331 states. Second operand 3 states. [2020-10-11 13:12:37,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:12:37,093 INFO L93 Difference]: Finished difference Result 504 states and 1247 transitions. [2020-10-11 13:12:37,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 13:12:37,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-11 13:12:37,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:12:37,124 INFO L225 Difference]: With dead ends: 504 [2020-10-11 13:12:37,124 INFO L226 Difference]: Without dead ends: 460 [2020-10-11 13:12:37,126 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 13:12:37,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-10-11 13:12:37,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 420. [2020-10-11 13:12:37,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-10-11 13:12:37,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 1090 transitions. [2020-10-11 13:12:37,213 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 1090 transitions. Word has length 6 [2020-10-11 13:12:37,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:12:37,213 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 1090 transitions. [2020-10-11 13:12:37,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 13:12:37,213 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 1090 transitions. [2020-10-11 13:12:37,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-11 13:12:37,215 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:37,215 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:12:37,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 13:12:37,215 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:37,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:37,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1518668221, now seen corresponding path program 1 times [2020-10-11 13:12:37,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:37,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024242842] [2020-10-11 13:12:37,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:37,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:37,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024242842] [2020-10-11 13:12:37,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:12:37,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 13:12:37,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687968910] [2020-10-11 13:12:37,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 13:12:37,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:12:37,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 13:12:37,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 13:12:37,356 INFO L87 Difference]: Start difference. First operand 420 states and 1090 transitions. Second operand 3 states. [2020-10-11 13:12:37,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:12:37,375 INFO L93 Difference]: Finished difference Result 464 states and 1200 transitions. [2020-10-11 13:12:37,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 13:12:37,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-11 13:12:37,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:12:37,381 INFO L225 Difference]: With dead ends: 464 [2020-10-11 13:12:37,381 INFO L226 Difference]: Without dead ends: 464 [2020-10-11 13:12:37,382 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 13:12:37,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-10-11 13:12:37,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2020-10-11 13:12:37,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-10-11 13:12:37,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 1200 transitions. [2020-10-11 13:12:37,424 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 1200 transitions. Word has length 10 [2020-10-11 13:12:37,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:12:37,424 INFO L481 AbstractCegarLoop]: Abstraction has 464 states and 1200 transitions. [2020-10-11 13:12:37,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 13:12:37,424 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1200 transitions. [2020-10-11 13:12:37,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-11 13:12:37,427 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:37,427 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:12:37,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 13:12:37,427 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:37,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:37,428 INFO L82 PathProgramCache]: Analyzing trace with hash 542344755, now seen corresponding path program 1 times [2020-10-11 13:12:37,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:37,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150506756] [2020-10-11 13:12:37,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:37,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:37,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150506756] [2020-10-11 13:12:37,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835154245] [2020-10-11 13:12:37,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 13:12:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:37,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-11 13:12:37,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-11 13:12:37,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:37,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-11 13:12:37,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-11 13:12:37,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916512509] [2020-10-11 13:12:37,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 13:12:37,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:12:37,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 13:12:37,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-11 13:12:37,658 INFO L87 Difference]: Start difference. First operand 464 states and 1200 transitions. Second operand 5 states. [2020-10-11 13:12:37,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:12:37,751 INFO L93 Difference]: Finished difference Result 741 states and 1849 transitions. [2020-10-11 13:12:37,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 13:12:37,758 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-11 13:12:37,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:12:37,764 INFO L225 Difference]: With dead ends: 741 [2020-10-11 13:12:37,764 INFO L226 Difference]: Without dead ends: 741 [2020-10-11 13:12:37,766 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-11 13:12:37,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2020-10-11 13:12:37,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 575. [2020-10-11 13:12:37,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2020-10-11 13:12:37,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 1484 transitions. [2020-10-11 13:12:37,794 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 1484 transitions. Word has length 13 [2020-10-11 13:12:37,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:12:37,794 INFO L481 AbstractCegarLoop]: Abstraction has 575 states and 1484 transitions. [2020-10-11 13:12:37,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 13:12:37,795 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1484 transitions. [2020-10-11 13:12:37,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-11 13:12:37,797 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:37,797 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:12:38,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-11 13:12:38,010 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:38,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:38,011 INFO L82 PathProgramCache]: Analyzing trace with hash 843892794, now seen corresponding path program 1 times [2020-10-11 13:12:38,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:38,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708455767] [2020-10-11 13:12:38,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:38,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:38,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708455767] [2020-10-11 13:12:38,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:12:38,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 13:12:38,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658983824] [2020-10-11 13:12:38,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 13:12:38,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:12:38,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 13:12:38,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 13:12:38,072 INFO L87 Difference]: Start difference. First operand 575 states and 1484 transitions. Second operand 3 states. [2020-10-11 13:12:38,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:12:38,093 INFO L93 Difference]: Finished difference Result 304 states and 670 transitions. [2020-10-11 13:12:38,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 13:12:38,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-11 13:12:38,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:12:38,096 INFO L225 Difference]: With dead ends: 304 [2020-10-11 13:12:38,096 INFO L226 Difference]: Without dead ends: 304 [2020-10-11 13:12:38,097 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 13:12:38,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-10-11 13:12:38,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 294. [2020-10-11 13:12:38,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-10-11 13:12:38,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 643 transitions. [2020-10-11 13:12:38,106 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 643 transitions. Word has length 16 [2020-10-11 13:12:38,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:12:38,107 INFO L481 AbstractCegarLoop]: Abstraction has 294 states and 643 transitions. [2020-10-11 13:12:38,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 13:12:38,107 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 643 transitions. [2020-10-11 13:12:38,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-11 13:12:38,109 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:38,109 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:12:38,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 13:12:38,109 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:38,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:38,110 INFO L82 PathProgramCache]: Analyzing trace with hash -960478475, now seen corresponding path program 1 times [2020-10-11 13:12:38,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:38,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668998932] [2020-10-11 13:12:38,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:38,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:38,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668998932] [2020-10-11 13:12:38,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:12:38,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 13:12:38,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632527095] [2020-10-11 13:12:38,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 13:12:38,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:12:38,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 13:12:38,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 13:12:38,156 INFO L87 Difference]: Start difference. First operand 294 states and 643 transitions. Second operand 3 states. [2020-10-11 13:12:38,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:12:38,197 INFO L93 Difference]: Finished difference Result 372 states and 811 transitions. [2020-10-11 13:12:38,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 13:12:38,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-11 13:12:38,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:12:38,200 INFO L225 Difference]: With dead ends: 372 [2020-10-11 13:12:38,201 INFO L226 Difference]: Without dead ends: 372 [2020-10-11 13:12:38,201 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 13:12:38,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-10-11 13:12:38,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 295. [2020-10-11 13:12:38,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-10-11 13:12:38,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 647 transitions. [2020-10-11 13:12:38,212 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 647 transitions. Word has length 17 [2020-10-11 13:12:38,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:12:38,213 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 647 transitions. [2020-10-11 13:12:38,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 13:12:38,213 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 647 transitions. [2020-10-11 13:12:38,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-11 13:12:38,215 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:38,215 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-11 13:12:38,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 13:12:38,215 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:38,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:38,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1582230501, now seen corresponding path program 2 times [2020-10-11 13:12:38,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:38,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64753527] [2020-10-11 13:12:38,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:38,329 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:38,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64753527] [2020-10-11 13:12:38,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529860055] [2020-10-11 13:12:38,352 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 13:12:38,435 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-11 13:12:38,436 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-11 13:12:38,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-11 13:12:38,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-11 13:12:38,455 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:38,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-11 13:12:38,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-10-11 13:12:38,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457136363] [2020-10-11 13:12:38,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 13:12:38,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:12:38,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 13:12:38,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-11 13:12:38,457 INFO L87 Difference]: Start difference. First operand 295 states and 647 transitions. Second operand 7 states. [2020-10-11 13:12:38,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:12:38,538 INFO L93 Difference]: Finished difference Result 496 states and 1064 transitions. [2020-10-11 13:12:38,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 13:12:38,538 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-10-11 13:12:38,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:12:38,542 INFO L225 Difference]: With dead ends: 496 [2020-10-11 13:12:38,542 INFO L226 Difference]: Without dead ends: 496 [2020-10-11 13:12:38,542 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-11 13:12:38,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2020-10-11 13:12:38,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 372. [2020-10-11 13:12:38,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-10-11 13:12:38,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 816 transitions. [2020-10-11 13:12:38,553 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 816 transitions. Word has length 20 [2020-10-11 13:12:38,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:12:38,553 INFO L481 AbstractCegarLoop]: Abstraction has 372 states and 816 transitions. [2020-10-11 13:12:38,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 13:12:38,554 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 816 transitions. [2020-10-11 13:12:38,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-11 13:12:38,555 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:38,555 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:12:38,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 13:12:38,766 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:38,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:38,767 INFO L82 PathProgramCache]: Analyzing trace with hash 69417077, now seen corresponding path program 1 times [2020-10-11 13:12:38,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:38,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178793132] [2020-10-11 13:12:38,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:39,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:39,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178793132] [2020-10-11 13:12:39,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:12:39,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 13:12:39,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386015009] [2020-10-11 13:12:39,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-11 13:12:39,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:12:39,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-11 13:12:39,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-11 13:12:39,092 INFO L87 Difference]: Start difference. First operand 372 states and 816 transitions. Second operand 9 states. [2020-10-11 13:12:39,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:12:39,394 INFO L93 Difference]: Finished difference Result 643 states and 1378 transitions. [2020-10-11 13:12:39,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-11 13:12:39,394 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-11 13:12:39,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:12:39,398 INFO L225 Difference]: With dead ends: 643 [2020-10-11 13:12:39,398 INFO L226 Difference]: Without dead ends: 581 [2020-10-11 13:12:39,402 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-11 13:12:39,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2020-10-11 13:12:39,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 416. [2020-10-11 13:12:39,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-10-11 13:12:39,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 916 transitions. [2020-10-11 13:12:39,417 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 916 transitions. Word has length 21 [2020-10-11 13:12:39,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:12:39,417 INFO L481 AbstractCegarLoop]: Abstraction has 416 states and 916 transitions. [2020-10-11 13:12:39,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-11 13:12:39,417 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 916 transitions. [2020-10-11 13:12:39,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-11 13:12:39,419 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:39,419 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:12:39,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 13:12:39,419 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:39,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:39,420 INFO L82 PathProgramCache]: Analyzing trace with hash 2126692033, now seen corresponding path program 1 times [2020-10-11 13:12:39,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:39,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581644618] [2020-10-11 13:12:39,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:39,531 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-11 13:12:39,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581644618] [2020-10-11 13:12:39,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:12:39,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 13:12:39,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860103861] [2020-10-11 13:12:39,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 13:12:39,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:12:39,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 13:12:39,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-11 13:12:39,533 INFO L87 Difference]: Start difference. First operand 416 states and 916 transitions. Second operand 6 states. [2020-10-11 13:12:39,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:12:39,619 INFO L93 Difference]: Finished difference Result 576 states and 1231 transitions. [2020-10-11 13:12:39,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 13:12:39,619 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-10-11 13:12:39,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:12:39,623 INFO L225 Difference]: With dead ends: 576 [2020-10-11 13:12:39,624 INFO L226 Difference]: Without dead ends: 566 [2020-10-11 13:12:39,624 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-11 13:12:39,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2020-10-11 13:12:39,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 476. [2020-10-11 13:12:39,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-10-11 13:12:39,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 1042 transitions. [2020-10-11 13:12:39,642 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 1042 transitions. Word has length 24 [2020-10-11 13:12:39,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:12:39,642 INFO L481 AbstractCegarLoop]: Abstraction has 476 states and 1042 transitions. [2020-10-11 13:12:39,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 13:12:39,643 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 1042 transitions. [2020-10-11 13:12:39,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-11 13:12:39,644 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:39,644 INFO L421 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2020-10-11 13:12:39,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-11 13:12:39,645 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:39,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:39,645 INFO L82 PathProgramCache]: Analyzing trace with hash 2004586803, now seen corresponding path program 3 times [2020-10-11 13:12:39,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:39,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050672013] [2020-10-11 13:12:39,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:39,763 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:39,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050672013] [2020-10-11 13:12:39,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016127164] [2020-10-11 13:12:39,764 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 13:12:39,873 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-11 13:12:39,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-11 13:12:39,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-11 13:12:39,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-11 13:12:39,909 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:39,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-11 13:12:39,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2020-10-11 13:12:39,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049900301] [2020-10-11 13:12:39,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-11 13:12:39,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:12:39,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-11 13:12:39,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-11 13:12:39,911 INFO L87 Difference]: Start difference. First operand 476 states and 1042 transitions. Second operand 9 states. [2020-10-11 13:12:40,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:12:40,047 INFO L93 Difference]: Finished difference Result 759 states and 1615 transitions. [2020-10-11 13:12:40,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 13:12:40,047 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-10-11 13:12:40,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:12:40,057 INFO L225 Difference]: With dead ends: 759 [2020-10-11 13:12:40,057 INFO L226 Difference]: Without dead ends: 759 [2020-10-11 13:12:40,058 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-10-11 13:12:40,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2020-10-11 13:12:40,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 553. [2020-10-11 13:12:40,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2020-10-11 13:12:40,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 1211 transitions. [2020-10-11 13:12:40,086 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 1211 transitions. Word has length 27 [2020-10-11 13:12:40,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:12:40,086 INFO L481 AbstractCegarLoop]: Abstraction has 553 states and 1211 transitions. [2020-10-11 13:12:40,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-11 13:12:40,087 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 1211 transitions. [2020-10-11 13:12:40,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-11 13:12:40,088 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:40,089 INFO L421 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:12:40,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 13:12:40,304 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:40,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:40,304 INFO L82 PathProgramCache]: Analyzing trace with hash -408396195, now seen corresponding path program 2 times [2020-10-11 13:12:40,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:40,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215238160] [2020-10-11 13:12:40,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:40,766 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:40,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215238160] [2020-10-11 13:12:40,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825268892] [2020-10-11 13:12:40,767 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 13:12:40,840 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-10-11 13:12:40,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-11 13:12:40,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 45 conjunts are in the unsatisfiable core [2020-10-11 13:12:40,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-11 13:12:40,890 INFO L384 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 55 treesize of output 53 [2020-10-11 13:12:40,893 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-11 13:12:40,918 INFO L625 ElimStorePlain]: treesize reduction 29, result has 42.0 percent of original size [2020-10-11 13:12:40,921 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-11 13:12:40,922 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:23, output treesize:4 [2020-10-11 13:12:41,130 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2020-10-11 13:12:41,131 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 13:12:41,159 INFO L625 ElimStorePlain]: treesize reduction 3, result has 93.0 percent of original size [2020-10-11 13:12:41,162 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-11 13:12:41,162 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:47, output treesize:54 [2020-10-11 13:12:41,366 INFO L384 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 65 treesize of output 37 [2020-10-11 13:12:41,367 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 13:12:41,380 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 13:12:41,383 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-11 13:12:41,386 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:69, output treesize:65 [2020-10-11 13:12:41,920 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-11 13:12:41,938 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 31 [2020-10-11 13:12:41,975 INFO L545 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-11 13:12:41,981 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 34 [2020-10-11 13:12:42,013 INFO L545 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-11 13:12:42,073 INFO L625 ElimStorePlain]: treesize reduction 90, result has 43.4 percent of original size [2020-10-11 13:12:42,084 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-11 13:12:42,084 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:178, output treesize:65 [2020-10-11 13:12:42,207 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-11 13:12:42,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-11 13:12:42,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [15] total 28 [2020-10-11 13:12:42,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889596107] [2020-10-11 13:12:42,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-11 13:12:42,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:12:42,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-11 13:12:42,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2020-10-11 13:12:42,210 INFO L87 Difference]: Start difference. First operand 553 states and 1211 transitions. Second operand 15 states. [2020-10-11 13:12:46,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:12:46,455 INFO L93 Difference]: Finished difference Result 1207 states and 2573 transitions. [2020-10-11 13:12:46,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-11 13:12:46,455 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 28 [2020-10-11 13:12:46,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:12:46,462 INFO L225 Difference]: With dead ends: 1207 [2020-10-11 13:12:46,462 INFO L226 Difference]: Without dead ends: 1167 [2020-10-11 13:12:46,463 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 613 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=380, Invalid=2926, Unknown=0, NotChecked=0, Total=3306 [2020-10-11 13:12:46,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2020-10-11 13:12:46,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 657. [2020-10-11 13:12:46,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2020-10-11 13:12:46,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 1465 transitions. [2020-10-11 13:12:46,483 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 1465 transitions. Word has length 28 [2020-10-11 13:12:46,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:12:46,504 INFO L481 AbstractCegarLoop]: Abstraction has 657 states and 1465 transitions. [2020-10-11 13:12:46,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-11 13:12:46,506 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1465 transitions. [2020-10-11 13:12:46,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-11 13:12:46,510 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:46,510 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:12:46,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 13:12:46,723 INFO L429 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:46,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:46,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1113124825, now seen corresponding path program 2 times [2020-10-11 13:12:46,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:46,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618052531] [2020-10-11 13:12:46,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:46,811 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-11 13:12:46,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618052531] [2020-10-11 13:12:46,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108950826] [2020-10-11 13:12:46,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 13:12:46,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-11 13:12:46,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-11 13:12:46,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-11 13:12:46,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-11 13:12:46,903 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-11 13:12:46,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-11 13:12:46,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2020-10-11 13:12:46,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707399476] [2020-10-11 13:12:46,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-11 13:12:46,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:12:46,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-11 13:12:46,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-11 13:12:46,905 INFO L87 Difference]: Start difference. First operand 657 states and 1465 transitions. Second operand 8 states. [2020-10-11 13:12:47,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:12:47,017 INFO L93 Difference]: Finished difference Result 985 states and 2121 transitions. [2020-10-11 13:12:47,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 13:12:47,017 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2020-10-11 13:12:47,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:12:47,023 INFO L225 Difference]: With dead ends: 985 [2020-10-11 13:12:47,023 INFO L226 Difference]: Without dead ends: 985 [2020-10-11 13:12:47,023 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-11 13:12:47,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2020-10-11 13:12:47,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 701. [2020-10-11 13:12:47,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2020-10-11 13:12:47,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1589 transitions. [2020-10-11 13:12:47,042 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1589 transitions. Word has length 31 [2020-10-11 13:12:47,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:12:47,043 INFO L481 AbstractCegarLoop]: Abstraction has 701 states and 1589 transitions. [2020-10-11 13:12:47,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-11 13:12:47,043 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1589 transitions. [2020-10-11 13:12:47,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-11 13:12:47,045 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:47,045 INFO L421 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2020-10-11 13:12:47,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-11 13:12:47,259 INFO L429 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:47,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:47,260 INFO L82 PathProgramCache]: Analyzing trace with hash 443984155, now seen corresponding path program 4 times [2020-10-11 13:12:47,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:47,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402248175] [2020-10-11 13:12:47,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:47,360 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:47,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402248175] [2020-10-11 13:12:47,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339979583] [2020-10-11 13:12:47,361 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 13:12:47,451 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-11 13:12:47,451 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-11 13:12:47,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-11 13:12:47,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-11 13:12:47,469 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:12:47,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-11 13:12:47,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2020-10-11 13:12:47,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811552433] [2020-10-11 13:12:47,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-11 13:12:47,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:12:47,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-11 13:12:47,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-11 13:12:47,472 INFO L87 Difference]: Start difference. First operand 701 states and 1589 transitions. Second operand 11 states. [2020-10-11 13:12:47,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:12:47,594 INFO L93 Difference]: Finished difference Result 1137 states and 2478 transitions. [2020-10-11 13:12:47,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-11 13:12:47,595 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 34 [2020-10-11 13:12:47,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:12:47,601 INFO L225 Difference]: With dead ends: 1137 [2020-10-11 13:12:47,601 INFO L226 Difference]: Without dead ends: 1137 [2020-10-11 13:12:47,601 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-10-11 13:12:47,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2020-10-11 13:12:47,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 792. [2020-10-11 13:12:47,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 792 states. [2020-10-11 13:12:47,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1797 transitions. [2020-10-11 13:12:47,624 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1797 transitions. Word has length 34 [2020-10-11 13:12:47,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:12:47,624 INFO L481 AbstractCegarLoop]: Abstraction has 792 states and 1797 transitions. [2020-10-11 13:12:47,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-11 13:12:47,624 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1797 transitions. [2020-10-11 13:12:47,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-11 13:12:47,626 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:12:47,626 INFO L421 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 13:12:47,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 13:12:47,841 INFO L429 AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 13:12:47,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:12:47,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1975916590, now seen corresponding path program 1 times [2020-10-11 13:12:47,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:12:47,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109512348] [2020-10-11 13:12:47,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:12:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:12:47,932 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 22: A-local: [(|t1Thread1of1ForFork0_push_#t~ret35_5| Int), (t1Thread1of1ForFork0_push_~stack.offset_3 Int)], B-local: []. [2020-10-11 13:12:47,933 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 23: A-local: [(|t1Thread1of1ForFork0_push_#t~ret35_5| Int), (t1Thread1of1ForFork0_push_~stack.offset_3 Int)], B-local: []. [2020-10-11 13:12:47,936 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 24: A-local: [(|t1Thread1of1ForFork0_push_#t~ret35_5| Int), (t1Thread1of1ForFork0_push_~stack.offset_3 Int)], B-local: []. [2020-10-11 13:12:47,939 ERROR L253 erpolLogProxyWrapper]: Interpolant 25 not inductive [2020-10-11 13:12:47,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-11 13:12:47,952 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:876) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:507) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:360) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-10-11 13:12:47,962 INFO L168 Benchmark]: Toolchain (without parser) took 17137.82 ms. Allocated memory was 249.6 MB in the beginning and 518.0 MB in the end (delta: 268.4 MB). Free memory was 203.9 MB in the beginning and 308.1 MB in the end (delta: -104.2 MB). Peak memory consumption was 164.2 MB. Max. memory is 14.2 GB. [2020-10-11 13:12:47,964 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 249.6 MB. Free memory is still 225.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 13:12:47,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 810.30 ms. Allocated memory was 249.6 MB in the beginning and 308.3 MB in the end (delta: 58.7 MB). Free memory was 203.9 MB in the beginning and 236.2 MB in the end (delta: -32.3 MB). Peak memory consumption was 36.5 MB. Max. memory is 14.2 GB. [2020-10-11 13:12:47,965 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.47 ms. Allocated memory is still 308.3 MB. Free memory was 236.2 MB in the beginning and 233.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 13:12:47,966 INFO L168 Benchmark]: Boogie Preprocessor took 36.11 ms. Allocated memory is still 308.3 MB. Free memory was 233.7 MB in the beginning and 231.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 13:12:47,966 INFO L168 Benchmark]: RCFGBuilder took 539.66 ms. Allocated memory is still 308.3 MB. Free memory was 231.2 MB in the beginning and 199.2 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 14.2 GB. [2020-10-11 13:12:47,967 INFO L168 Benchmark]: TraceAbstraction took 15685.61 ms. Allocated memory was 308.3 MB in the beginning and 518.0 MB in the end (delta: 209.7 MB). Free memory was 196.7 MB in the beginning and 308.1 MB in the end (delta: -111.5 MB). Peak memory consumption was 98.3 MB. Max. memory is 14.2 GB. [2020-10-11 13:12:47,974 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 249.6 MB. Free memory is still 225.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 810.30 ms. Allocated memory was 249.6 MB in the beginning and 308.3 MB in the end (delta: 58.7 MB). Free memory was 203.9 MB in the beginning and 236.2 MB in the end (delta: -32.3 MB). Peak memory consumption was 36.5 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 60.47 ms. Allocated memory is still 308.3 MB. Free memory was 236.2 MB in the beginning and 233.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 36.11 ms. Allocated memory is still 308.3 MB. Free memory was 233.7 MB in the beginning and 231.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 539.66 ms. Allocated memory is still 308.3 MB. Free memory was 231.2 MB in the beginning and 199.2 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 14.2 GB. * TraceAbstraction took 15685.61 ms. Allocated memory was 308.3 MB in the beginning and 518.0 MB in the end (delta: 209.7 MB). Free memory was 196.7 MB in the beginning and 308.1 MB in the end (delta: -111.5 MB). Peak memory consumption was 98.3 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3994 VarBasedMoverChecksPositive, 70 VarBasedMoverChecksNegative, 4 SemBasedMoverChecksPositive, 66 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 284 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.2s, 133 PlacesBefore, 40 PlacesAfterwards, 138 TransitionsBefore, 40 TransitionsAfterwards, 5744 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 75 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 17 ConcurrentYvCompositions, 5 ChoiceCompositions, 123 TotalNumberOfCompositions, 10440 MoverChecksTotal - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...