/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf -i ../../../trunk/examples/svcomp/pthread/stack-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-e5469eb [2021-01-20 18:04:35,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-20 18:04:35,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-20 18:04:35,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-20 18:04:35,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-20 18:04:35,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-20 18:04:35,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-20 18:04:35,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-20 18:04:35,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-20 18:04:35,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-20 18:04:35,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-20 18:04:35,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-20 18:04:35,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-20 18:04:35,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-20 18:04:35,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-20 18:04:35,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-20 18:04:35,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-20 18:04:35,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-20 18:04:35,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-20 18:04:35,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-20 18:04:35,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-20 18:04:35,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-20 18:04:35,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-20 18:04:35,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-20 18:04:35,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-20 18:04:35,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-20 18:04:35,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-20 18:04:35,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-20 18:04:35,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-20 18:04:35,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-20 18:04:35,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-20 18:04:35,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-20 18:04:35,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-20 18:04:35,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-20 18:04:35,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-20 18:04:35,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-20 18:04:35,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-20 18:04:35,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-20 18:04:35,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-20 18:04:35,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-20 18:04:35,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-20 18:04:35,454 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf [2021-01-20 18:04:35,491 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-20 18:04:35,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-20 18:04:35,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-20 18:04:35,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-20 18:04:35,495 INFO L138 SettingsManager]: * Use SBE=true [2021-01-20 18:04:35,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-20 18:04:35,496 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-20 18:04:35,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-20 18:04:35,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-20 18:04:35,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-20 18:04:35,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-20 18:04:35,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-20 18:04:35,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-20 18:04:35,497 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-20 18:04:35,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-20 18:04:35,498 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-20 18:04:35,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-20 18:04:35,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-20 18:04:35,499 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-20 18:04:35,499 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-20 18:04:35,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-20 18:04:35,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-20 18:04:35,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-20 18:04:35,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-20 18:04:35,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-20 18:04:35,500 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-20 18:04:35,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-20 18:04:35,501 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-20 18:04:35,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-20 18:04:35,501 INFO L138 SettingsManager]: * Remove dead ends from automaton=false [2021-01-20 18:04:35,502 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-20 18:04:35,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-20 18:04:36,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-20 18:04:36,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-20 18:04:36,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-20 18:04:36,104 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-20 18:04:36,105 INFO L275 PluginConnector]: CDTParser initialized [2021-01-20 18:04:36,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-1.i [2021-01-20 18:04:36,240 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/361695133/17035e9accd141c3b8573ba6587c00e8/FLAG628c5ffd0 [2021-01-20 18:04:37,369 INFO L306 CDTParser]: Found 1 translation units. [2021-01-20 18:04:37,370 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-1.i [2021-01-20 18:04:37,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/361695133/17035e9accd141c3b8573ba6587c00e8/FLAG628c5ffd0 [2021-01-20 18:04:37,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/361695133/17035e9accd141c3b8573ba6587c00e8 [2021-01-20 18:04:37,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-20 18:04:37,460 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-20 18:04:37,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-20 18:04:37,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-20 18:04:37,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-20 18:04:37,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 06:04:37" (1/1) ... [2021-01-20 18:04:37,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38326cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:04:37, skipping insertion in model container [2021-01-20 18:04:37,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 06:04:37" (1/1) ... [2021-01-20 18:04:37,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-20 18:04:37,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-20 18:04:38,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 18:04:38,233 INFO L203 MainTranslator]: Completed pre-run [2021-01-20 18:04:38,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 18:04:38,612 INFO L208 MainTranslator]: Completed translation [2021-01-20 18:04:38,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:04:38 WrapperNode [2021-01-20 18:04:38,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-20 18:04:38,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-20 18:04:38,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-20 18:04:38,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-20 18:04:38,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:04:38" (1/1) ... [2021-01-20 18:04:38,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:04:38" (1/1) ... [2021-01-20 18:04:38,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-20 18:04:38,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-20 18:04:38,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-20 18:04:38,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-20 18:04:38,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:04:38" (1/1) ... [2021-01-20 18:04:38,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:04:38" (1/1) ... [2021-01-20 18:04:38,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:04:38" (1/1) ... [2021-01-20 18:04:38,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:04:38" (1/1) ... [2021-01-20 18:04:38,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:04:38" (1/1) ... [2021-01-20 18:04:38,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:04:38" (1/1) ... [2021-01-20 18:04:38,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:04:38" (1/1) ... [2021-01-20 18:04:38,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-20 18:04:38,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-20 18:04:38,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-20 18:04:38,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-20 18:04:38,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:04:38" (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 [2021-01-20 18:04:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-01-20 18:04:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-01-20 18:04:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-01-20 18:04:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-01-20 18:04:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-20 18:04:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-20 18:04:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-20 18:04:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-20 18:04:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-20 18:04:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-20 18:04:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-20 18:04:38,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-20 18:04:38,922 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-20 18:04:39,749 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-20 18:04:39,749 INFO L298 CfgBuilder]: Removed 28 assume(true) statements. [2021-01-20 18:04:39,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 06:04:39 BoogieIcfgContainer [2021-01-20 18:04:39,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-20 18:04:39,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-20 18:04:39,756 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-20 18:04:39,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-20 18:04:39,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 06:04:37" (1/3) ... [2021-01-20 18:04:39,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f979c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 06:04:39, skipping insertion in model container [2021-01-20 18:04:39,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 06:04:38" (2/3) ... [2021-01-20 18:04:39,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f979c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 06:04:39, skipping insertion in model container [2021-01-20 18:04:39,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 06:04:39" (3/3) ... [2021-01-20 18:04:39,766 INFO L111 eAbstractionObserver]: Analyzing ICFG stack-1.i [2021-01-20 18:04:39,789 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-20 18:04:39,789 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-20 18:04:39,793 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-20 18:04:39,794 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-20 18:04:39,884 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,885 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,886 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,886 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,886 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,886 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,887 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,887 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,888 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,888 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,888 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,888 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,889 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,889 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,889 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,890 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,890 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,890 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,890 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,891 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,891 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,891 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,891 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,892 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,892 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,894 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,894 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,895 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,895 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,895 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,895 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,895 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,896 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,896 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,896 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,898 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,899 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,899 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,899 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,900 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,900 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,901 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,901 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,902 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,902 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,903 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,903 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,904 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,904 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,904 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,905 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,905 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,905 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,906 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,906 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,906 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,907 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,907 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,907 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,907 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,907 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,908 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,908 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,908 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,908 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,908 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,909 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,909 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,910 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,910 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,911 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,912 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,912 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,913 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,913 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,913 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,913 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,913 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,915 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,917 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,917 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,917 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,917 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,918 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,918 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,918 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,919 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,919 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,919 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,919 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,920 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,920 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,920 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,920 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,921 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,921 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,921 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,921 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,922 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,923 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,926 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,926 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,927 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,927 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,927 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,928 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,928 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,928 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,931 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,932 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,933 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,933 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,933 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,934 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,934 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,934 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,934 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,934 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,935 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,935 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,935 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,935 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,936 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,936 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,936 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,936 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,937 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,937 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,937 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,937 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,938 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,938 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,938 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,939 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,939 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,939 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,939 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,940 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,940 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,940 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,940 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,940 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,941 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,942 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,943 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,943 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,943 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,943 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,943 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,944 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,944 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,944 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,944 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,944 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,945 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,945 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,945 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,945 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,946 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,946 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,946 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,947 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,947 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,947 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,947 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,948 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,948 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,948 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,948 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,949 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,949 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,949 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,949 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,950 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,950 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,950 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,950 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,951 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,951 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,951 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,951 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,952 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,952 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,952 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,952 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,952 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,952 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,953 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,953 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,953 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,953 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,954 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,954 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,954 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,954 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,954 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,955 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,955 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,955 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,955 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,956 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,956 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,956 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,956 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,957 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,957 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,957 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,957 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,958 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,958 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,958 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,959 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,959 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,959 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,959 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,960 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,960 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,960 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,960 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,961 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,961 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,961 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,961 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,966 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,966 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,967 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,967 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,975 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,975 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,977 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,978 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,978 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,978 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,978 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,978 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,979 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,987 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,988 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,988 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,988 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,989 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,989 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,989 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,989 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,989 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,990 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,990 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,990 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,990 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,991 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,991 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,991 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,991 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,991 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,992 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,993 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,993 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:39,993 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 18:04:40,008 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-01-20 18:04:40,026 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-20 18:04:40,058 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-20 18:04:40,058 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-20 18:04:40,058 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-20 18:04:40,058 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-20 18:04:40,058 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-20 18:04:40,059 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-20 18:04:40,059 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-20 18:04:40,059 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-20 18:04:40,078 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 149 places, 156 transitions, 334 flow [2021-01-20 18:04:40,750 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 7209 states, 7205 states have (on average 2.822761970853574) internal successors, (20338), 7208 states have internal predecessors, (20338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:04:40,789 INFO L276 IsEmpty]: Start isEmpty. Operand has 7209 states, 7205 states have (on average 2.822761970853574) internal successors, (20338), 7208 states have internal predecessors, (20338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:04:40,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-20 18:04:40,829 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:04:40,830 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 18:04:40,831 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 18:04:40,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:04:40,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1225966159, now seen corresponding path program 1 times [2021-01-20 18:04:40,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:04:40,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942002562] [2021-01-20 18:04:40,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:04:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:04:41,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:04:41,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942002562] [2021-01-20 18:04:41,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 18:04:41,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-20 18:04:41,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619110698] [2021-01-20 18:04:41,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-20 18:04:41,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:04:41,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-20 18:04:41,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 18:04:41,508 INFO L87 Difference]: Start difference. First operand has 7209 states, 7205 states have (on average 2.822761970853574) internal successors, (20338), 7208 states have internal predecessors, (20338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:04:41,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:04:41,879 INFO L93 Difference]: Finished difference Result 9822 states and 26046 transitions. [2021-01-20 18:04:41,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-20 18:04:41,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-01-20 18:04:41,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:04:41,886 INFO L769 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 [2021-01-20 18:04:41,887 INFO L78 Accepts]: Start accepts. Automaton has 9822 states and 26046 transitions. Word has length 54 [2021-01-20 18:04:41,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:04:41,889 INFO L481 AbstractCegarLoop]: Abstraction has 9822 states and 26046 transitions. [2021-01-20 18:04:41,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:04:41,890 INFO L276 IsEmpty]: Start isEmpty. Operand 9822 states and 26046 transitions. [2021-01-20 18:04:41,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-20 18:04:41,901 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:04:41,901 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 18:04:41,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-20 18:04:41,902 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 18:04:41,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:04:41,903 INFO L82 PathProgramCache]: Analyzing trace with hash -970169628, now seen corresponding path program 1 times [2021-01-20 18:04:41,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:04:41,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660730565] [2021-01-20 18:04:41,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:04:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:04:42,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:04:42,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660730565] [2021-01-20 18:04:42,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 18:04:42,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-20 18:04:42,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773416360] [2021-01-20 18:04:42,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-20 18:04:42,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:04:42,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-20 18:04:42,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-20 18:04:42,070 INFO L87 Difference]: Start difference. First operand 9822 states and 26046 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:04:42,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:04:42,295 INFO L93 Difference]: Finished difference Result 14655 states and 38784 transitions. [2021-01-20 18:04:42,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-20 18:04:42,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-01-20 18:04:42,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:04:42,298 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-20 18:04:42,299 INFO L78 Accepts]: Start accepts. Automaton has 14655 states and 38784 transitions. Word has length 67 [2021-01-20 18:04:42,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:04:42,300 INFO L481 AbstractCegarLoop]: Abstraction has 14655 states and 38784 transitions. [2021-01-20 18:04:42,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:04:42,301 INFO L276 IsEmpty]: Start isEmpty. Operand 14655 states and 38784 transitions. [2021-01-20 18:04:42,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-20 18:04:42,313 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:04:42,314 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 18:04:42,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-20 18:04:42,314 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 18:04:42,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:04:42,315 INFO L82 PathProgramCache]: Analyzing trace with hash 651930841, now seen corresponding path program 1 times [2021-01-20 18:04:42,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:04:42,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386221560] [2021-01-20 18:04:42,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:04:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:04:42,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:04:42,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386221560] [2021-01-20 18:04:42,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 18:04:42,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-20 18:04:42,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368856744] [2021-01-20 18:04:42,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-20 18:04:42,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:04:42,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-20 18:04:42,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 18:04:42,429 INFO L87 Difference]: Start difference. First operand 14655 states and 38784 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:04:42,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:04:42,533 INFO L93 Difference]: Finished difference Result 7014 states and 17536 transitions. [2021-01-20 18:04:42,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-20 18:04:42,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-01-20 18:04:42,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:04:42,535 INFO L769 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 [2021-01-20 18:04:42,536 INFO L78 Accepts]: Start accepts. Automaton has 7014 states and 17536 transitions. Word has length 82 [2021-01-20 18:04:42,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:04:42,536 INFO L481 AbstractCegarLoop]: Abstraction has 7014 states and 17536 transitions. [2021-01-20 18:04:42,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:04:42,537 INFO L276 IsEmpty]: Start isEmpty. Operand 7014 states and 17536 transitions. [2021-01-20 18:04:42,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-01-20 18:04:42,547 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:04:42,547 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 18:04:42,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-20 18:04:42,548 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 18:04:42,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:04:42,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1584592082, now seen corresponding path program 1 times [2021-01-20 18:04:42,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:04:42,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876772109] [2021-01-20 18:04:42,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:04:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:04:42,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:04:42,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876772109] [2021-01-20 18:04:42,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 18:04:42,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-20 18:04:42,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774994541] [2021-01-20 18:04:42,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-20 18:04:42,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:04:42,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-20 18:04:42,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 18:04:42,741 INFO L87 Difference]: Start difference. First operand 7014 states and 17536 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:04:42,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:04:42,864 INFO L93 Difference]: Finished difference Result 6792 states and 16959 transitions. [2021-01-20 18:04:42,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-20 18:04:42,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2021-01-20 18:04:42,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:04:42,867 INFO L769 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 [2021-01-20 18:04:42,868 INFO L78 Accepts]: Start accepts. Automaton has 6792 states and 16959 transitions. Word has length 89 [2021-01-20 18:04:42,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:04:42,869 INFO L481 AbstractCegarLoop]: Abstraction has 6792 states and 16959 transitions. [2021-01-20 18:04:42,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:04:42,869 INFO L276 IsEmpty]: Start isEmpty. Operand 6792 states and 16959 transitions. [2021-01-20 18:04:42,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-01-20 18:04:42,882 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:04:42,883 INFO L504 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 18:04:42,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-20 18:04:42,884 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 18:04:42,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:04:42,885 INFO L82 PathProgramCache]: Analyzing trace with hash 892922449, now seen corresponding path program 1 times [2021-01-20 18:04:42,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:04:42,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634880580] [2021-01-20 18:04:42,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:04:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:04:43,086 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:04:43,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634880580] [2021-01-20 18:04:43,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861894592] [2021-01-20 18:04:43,087 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 [2021-01-20 18:04:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:04:43,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-20 18:04:43,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-20 18:04:43,903 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:04:43,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-20 18:04:43,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-20 18:04:43,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224697419] [2021-01-20 18:04:43,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-20 18:04:43,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:04:43,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-20 18:04:43,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-20 18:04:43,907 INFO L87 Difference]: Start difference. First operand 6792 states and 16959 transitions. Second operand has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:04:44,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:04:44,204 INFO L93 Difference]: Finished difference Result 10164 states and 25358 transitions. [2021-01-20 18:04:44,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-20 18:04:44,205 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2021-01-20 18:04:44,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:04:44,208 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-01-20 18:04:44,209 INFO L78 Accepts]: Start accepts. Automaton has 10164 states and 25358 transitions. Word has length 92 [2021-01-20 18:04:44,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:04:44,212 INFO L481 AbstractCegarLoop]: Abstraction has 10164 states and 25358 transitions. [2021-01-20 18:04:44,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:04:44,212 INFO L276 IsEmpty]: Start isEmpty. Operand 10164 states and 25358 transitions. [2021-01-20 18:04:44,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-20 18:04:44,234 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:04:44,235 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 18:04:44,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-20 18:04:44,451 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 18:04:44,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:04:44,452 INFO L82 PathProgramCache]: Analyzing trace with hash 651415046, now seen corresponding path program 1 times [2021-01-20 18:04:44,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:04:44,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694488701] [2021-01-20 18:04:44,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:04:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:04:46,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:04:46,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694488701] [2021-01-20 18:04:46,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 18:04:46,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-01-20 18:04:46,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445607927] [2021-01-20 18:04:46,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-01-20 18:04:46,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:04:46,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-01-20 18:04:46,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2021-01-20 18:04:46,497 INFO L87 Difference]: Start difference. First operand 10164 states and 25358 transitions. Second operand has 24 states, 24 states have (on average 4.125) internal successors, (99), 24 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:04:50,716 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2021-01-20 18:04:51,039 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2021-01-20 18:04:51,307 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2021-01-20 18:04:51,531 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2021-01-20 18:04:51,720 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2021-01-20 18:04:51,956 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-01-20 18:04:52,401 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-01-20 18:04:52,682 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-01-20 18:04:52,936 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-01-20 18:04:53,262 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 18:04:53,607 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-01-20 18:04:53,930 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 18:04:54,361 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2021-01-20 18:04:54,753 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2021-01-20 18:04:55,309 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2021-01-20 18:04:56,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:04:56,295 INFO L93 Difference]: Finished difference Result 20505 states and 51128 transitions. [2021-01-20 18:04:56,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-01-20 18:04:56,296 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.125) internal successors, (99), 24 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2021-01-20 18:04:56,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:04:56,298 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 686 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=566, Invalid=2856, Unknown=0, NotChecked=0, Total=3422 [2021-01-20 18:04:56,298 INFO L78 Accepts]: Start accepts. Automaton has 20505 states and 51128 transitions. Word has length 99 [2021-01-20 18:04:56,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:04:56,299 INFO L481 AbstractCegarLoop]: Abstraction has 20505 states and 51128 transitions. [2021-01-20 18:04:56,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 4.125) internal successors, (99), 24 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:04:56,299 INFO L276 IsEmpty]: Start isEmpty. Operand 20505 states and 51128 transitions. [2021-01-20 18:04:56,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-01-20 18:04:56,321 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:04:56,321 INFO L504 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 18:04:56,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-20 18:04:56,322 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 18:04:56,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:04:56,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1348231338, now seen corresponding path program 2 times [2021-01-20 18:04:56,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:04:56,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098186638] [2021-01-20 18:04:56,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:04:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:04:56,586 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:04:56,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098186638] [2021-01-20 18:04:56,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832233364] [2021-01-20 18:04:56,587 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 [2021-01-20 18:04:56,839 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-01-20 18:04:56,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-20 18:04:56,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 6 conjunts are in the unsatisfiable core [2021-01-20 18:04:56,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-20 18:04:57,076 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:04:57,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-20 18:04:57,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-01-20 18:04:57,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125156501] [2021-01-20 18:04:57,078 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-20 18:04:57,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:04:57,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-20 18:04:57,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-01-20 18:04:57,080 INFO L87 Difference]: Start difference. First operand 20505 states and 51128 transitions. Second operand has 9 states, 9 states have (on average 19.444444444444443) internal successors, (175), 9 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:04:57,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:04:57,575 INFO L93 Difference]: Finished difference Result 23466 states and 58534 transitions. [2021-01-20 18:04:57,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-01-20 18:04:57,576 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.444444444444443) internal successors, (175), 9 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-01-20 18:04:57,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:04:57,577 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=134, Unknown=0, NotChecked=0, Total=210 [2021-01-20 18:04:57,577 INFO L78 Accepts]: Start accepts. Automaton has 23466 states and 58534 transitions. Word has length 126 [2021-01-20 18:04:57,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:04:57,578 INFO L481 AbstractCegarLoop]: Abstraction has 23466 states and 58534 transitions. [2021-01-20 18:04:57,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 19.444444444444443) internal successors, (175), 9 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:04:57,578 INFO L276 IsEmpty]: Start isEmpty. Operand 23466 states and 58534 transitions. [2021-01-20 18:04:57,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-01-20 18:04:57,609 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:04:57,609 INFO L504 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 18:04:57,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-20 18:04:57,824 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 18:04:57,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:04:57,825 INFO L82 PathProgramCache]: Analyzing trace with hash -693711541, now seen corresponding path program 1 times [2021-01-20 18:04:57,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:04:57,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086840490] [2021-01-20 18:04:57,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:04:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:04:59,976 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:04:59,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086840490] [2021-01-20 18:04:59,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408068639] [2021-01-20 18:04:59,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-01-20 18:05:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:05:00,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 50 conjunts are in the unsatisfiable core [2021-01-20 18:05:00,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-20 18:05:00,446 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-01-20 18:05:00,447 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-20 18:05:00,545 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-20 18:05:01,615 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-01-20 18:05:01,615 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-20 18:05:01,682 INFO L625 ElimStorePlain]: treesize reduction 13, result has 78.3 percent of original size [2021-01-20 18:05:01,690 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-20 18:05:01,690 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:64, output treesize:52 [2021-01-20 18:05:02,970 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 23 [2021-01-20 18:05:02,972 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-20 18:05:02,988 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-20 18:05:02,988 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-20 18:05:02,989 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:63, output treesize:20 [2021-01-20 18:05:03,067 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-20 18:05:03,775 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-20 18:05:03,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-20 18:05:03,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [26] total 45 [2021-01-20 18:05:03,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490848187] [2021-01-20 18:05:03,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-01-20 18:05:03,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:05:03,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-01-20 18:05:03,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1858, Unknown=0, NotChecked=0, Total=1980 [2021-01-20 18:05:03,781 INFO L87 Difference]: Start difference. First operand 23466 states and 58534 transitions. Second operand has 22 states, 22 states have (on average 5.818181818181818) internal successors, (128), 22 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:05:04,818 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 30 [2021-01-20 18:05:05,239 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 18:05:05,622 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-20 18:05:06,081 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2021-01-20 18:05:06,484 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2021-01-20 18:05:07,069 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2021-01-20 18:05:07,507 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2021-01-20 18:05:08,162 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2021-01-20 18:05:08,669 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2021-01-20 18:05:09,200 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 58 [2021-01-20 18:05:10,064 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 18:05:10,611 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2021-01-20 18:05:10,983 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 18:05:11,762 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2021-01-20 18:05:12,083 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2021-01-20 18:05:12,497 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2021-01-20 18:05:13,218 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 96 [2021-01-20 18:05:13,784 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2021-01-20 18:05:14,250 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2021-01-20 18:05:14,733 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-01-20 18:05:15,252 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2021-01-20 18:05:15,719 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2021-01-20 18:05:16,387 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-01-20 18:05:17,155 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2021-01-20 18:05:17,904 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2021-01-20 18:05:18,427 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2021-01-20 18:05:19,337 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 102 [2021-01-20 18:05:20,368 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 97 [2021-01-20 18:05:21,052 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2021-01-20 18:05:21,727 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2021-01-20 18:05:22,642 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 97 [2021-01-20 18:05:23,581 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-01-20 18:05:24,077 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-01-20 18:05:24,575 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-01-20 18:05:25,242 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2021-01-20 18:05:25,790 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2021-01-20 18:05:26,575 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2021-01-20 18:05:27,281 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2021-01-20 18:05:28,223 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 100 [2021-01-20 18:05:29,045 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 98 [2021-01-20 18:05:30,115 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 110 [2021-01-20 18:05:30,936 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 99 [2021-01-20 18:05:31,616 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2021-01-20 18:05:32,275 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-01-20 18:05:33,127 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 100 [2021-01-20 18:05:33,856 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2021-01-20 18:05:34,317 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-01-20 18:05:35,065 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-01-20 18:05:35,776 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2021-01-20 18:05:36,362 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2021-01-20 18:05:37,339 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2021-01-20 18:05:38,266 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2021-01-20 18:05:39,283 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 101 [2021-01-20 18:05:40,123 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 99 [2021-01-20 18:05:41,348 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 111 [2021-01-20 18:05:42,104 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-20 18:05:42,399 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-01-20 18:05:42,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:05:42,552 INFO L93 Difference]: Finished difference Result 38097 states and 95166 transitions. [2021-01-20 18:05:42,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-01-20 18:05:42,554 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.818181818181818) internal successors, (128), 22 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-01-20 18:05:42,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:05:42,560 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 174 SyntacticMatches, 2 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2854 ImplicationChecksByTransitivity, 36.4s TimeCoverageRelationStatistics Valid=1475, Invalid=9655, Unknown=0, NotChecked=0, Total=11130 [2021-01-20 18:05:42,560 INFO L78 Accepts]: Start accepts. Automaton has 38097 states and 95166 transitions. Word has length 133 [2021-01-20 18:05:42,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:05:42,561 INFO L481 AbstractCegarLoop]: Abstraction has 38097 states and 95166 transitions. [2021-01-20 18:05:42,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 5.818181818181818) internal successors, (128), 22 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:05:42,561 INFO L276 IsEmpty]: Start isEmpty. Operand 38097 states and 95166 transitions. [2021-01-20 18:05:42,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-01-20 18:05:42,586 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:05:42,586 INFO L504 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 18:05:42,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-20 18:05:42,792 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 18:05:42,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:05:42,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1824550551, now seen corresponding path program 1 times [2021-01-20 18:05:42,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:05:42,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318678238] [2021-01-20 18:05:42,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:05:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:05:43,081 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 50 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-01-20 18:05:43,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318678238] [2021-01-20 18:05:43,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255905105] [2021-01-20 18:05:43,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-01-20 18:05:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:05:43,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 8 conjunts are in the unsatisfiable core [2021-01-20 18:05:43,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-20 18:05:43,506 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 50 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-01-20 18:05:43,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-20 18:05:43,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2021-01-20 18:05:43,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669950646] [2021-01-20 18:05:43,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-20 18:05:43,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:05:43,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-20 18:05:43,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-01-20 18:05:43,510 INFO L87 Difference]: Start difference. First operand 38097 states and 95166 transitions. Second operand has 10 states, 10 states have (on average 20.1) internal successors, (201), 10 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:05:44,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:05:44,264 INFO L93 Difference]: Finished difference Result 43764 states and 109337 transitions. [2021-01-20 18:05:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-01-20 18:05:44,267 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 20.1) internal successors, (201), 10 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 158 [2021-01-20 18:05:44,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:05:44,268 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2021-01-20 18:05:44,268 INFO L78 Accepts]: Start accepts. Automaton has 43764 states and 109337 transitions. Word has length 158 [2021-01-20 18:05:44,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:05:44,269 INFO L481 AbstractCegarLoop]: Abstraction has 43764 states and 109337 transitions. [2021-01-20 18:05:44,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 20.1) internal successors, (201), 10 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:05:44,269 INFO L276 IsEmpty]: Start isEmpty. Operand 43764 states and 109337 transitions. [2021-01-20 18:05:44,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-01-20 18:05:44,313 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:05:44,314 INFO L504 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 18:05:44,529 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-20 18:05:44,531 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 18:05:44,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:05:44,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1365037851, now seen corresponding path program 3 times [2021-01-20 18:05:44,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:05:44,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408684982] [2021-01-20 18:05:44,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:05:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:05:44,798 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 9 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:05:44,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408684982] [2021-01-20 18:05:44,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945046520] [2021-01-20 18:05:44,799 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 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 [2021-01-20 18:05:45,079 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-01-20 18:05:45,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-20 18:05:45,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 8 conjunts are in the unsatisfiable core [2021-01-20 18:05:45,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-20 18:05:45,181 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 9 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:05:45,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-20 18:05:45,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-01-20 18:05:45,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961025795] [2021-01-20 18:05:45,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-20 18:05:45,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:05:45,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-20 18:05:45,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-01-20 18:05:45,184 INFO L87 Difference]: Start difference. First operand 43764 states and 109337 transitions. Second operand has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:05:45,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:05:45,997 INFO L93 Difference]: Finished difference Result 47919 states and 119733 transitions. [2021-01-20 18:05:45,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-01-20 18:05:45,999 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2021-01-20 18:05:45,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:05:46,002 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=121, Invalid=221, Unknown=0, NotChecked=0, Total=342 [2021-01-20 18:05:46,003 INFO L78 Accepts]: Start accepts. Automaton has 47919 states and 119733 transitions. Word has length 160 [2021-01-20 18:05:46,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:05:46,005 INFO L481 AbstractCegarLoop]: Abstraction has 47919 states and 119733 transitions. [2021-01-20 18:05:46,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:05:46,005 INFO L276 IsEmpty]: Start isEmpty. Operand 47919 states and 119733 transitions. [2021-01-20 18:05:46,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-01-20 18:05:46,032 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:05:46,033 INFO L504 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 18:05:46,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-01-20 18:05:46,248 INFO L429 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 18:05:46,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:05:46,249 INFO L82 PathProgramCache]: Analyzing trace with hash 755642763, now seen corresponding path program 1 times [2021-01-20 18:05:46,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:05:46,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005579488] [2021-01-20 18:05:46,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:05:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:05:48,250 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2021-01-20 18:05:49,757 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:05:49,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005579488] [2021-01-20 18:05:49,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830650598] [2021-01-20 18:05:49,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-01-20 18:05:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:05:50,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 77 conjunts are in the unsatisfiable core [2021-01-20 18:05:50,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-20 18:05:50,437 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-01-20 18:05:50,437 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-20 18:05:50,567 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-20 18:05:50,949 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 25 [2021-01-20 18:05:51,816 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-01-20 18:05:51,816 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-20 18:05:51,913 INFO L625 ElimStorePlain]: treesize reduction 13, result has 79.4 percent of original size [2021-01-20 18:05:51,916 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-20 18:05:51,916 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:67, output treesize:55 [2021-01-20 18:05:53,420 INFO L348 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-01-20 18:05:53,421 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 43 [2021-01-20 18:05:53,425 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-01-20 18:05:53,469 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-01-20 18:05:53,472 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-20 18:05:53,472 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:74, output treesize:59 [2021-01-20 18:06:01,745 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-01-20 18:06:01,745 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 40 [2021-01-20 18:06:01,758 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-20 18:06:01,770 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-20 18:06:01,776 INFO L547 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-01-20 18:06:01,902 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2021-01-20 18:06:01,904 INFO L625 ElimStorePlain]: treesize reduction 27, result has 68.2 percent of original size [2021-01-20 18:06:01,910 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-01-20 18:06:01,911 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:80, output treesize:19 [2021-01-20 18:06:02,084 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-01-20 18:06:02,725 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 21 [2021-01-20 18:06:03,230 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 4 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:06:03,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-20 18:06:03,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 34] total 62 [2021-01-20 18:06:03,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321187326] [2021-01-20 18:06:03,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-01-20 18:06:03,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:06:03,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-01-20 18:06:03,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=3541, Unknown=2, NotChecked=0, Total=3782 [2021-01-20 18:06:03,245 INFO L87 Difference]: Start difference. First operand 47919 states and 119733 transitions. Second operand has 62 states, 62 states have (on average 5.016129032258065) internal successors, (311), 62 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:06:04,940 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 26 [2021-01-20 18:06:05,408 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2021-01-20 18:06:05,760 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-01-20 18:06:06,198 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2021-01-20 18:06:06,879 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2021-01-20 18:06:07,314 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2021-01-20 18:06:08,023 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2021-01-20 18:06:08,500 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2021-01-20 18:06:09,556 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2021-01-20 18:06:09,888 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 26 [2021-01-20 18:06:11,152 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 31 [2021-01-20 18:06:11,690 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 38 [2021-01-20 18:06:12,290 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 41 [2021-01-20 18:06:12,676 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2021-01-20 18:06:13,431 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 26 [2021-01-20 18:06:13,761 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 24 [2021-01-20 18:06:14,118 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 28 [2021-01-20 18:06:14,574 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 45 [2021-01-20 18:06:15,490 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 50 [2021-01-20 18:06:16,298 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2021-01-20 18:06:16,919 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 59 [2021-01-20 18:06:17,282 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2021-01-20 18:06:17,753 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 42 [2021-01-20 18:06:18,580 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 54 [2021-01-20 18:06:20,191 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 53 [2021-01-20 18:06:20,926 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 59 [2021-01-20 18:06:21,498 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 51 [2021-01-20 18:06:22,231 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 58 [2021-01-20 18:06:23,300 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2021-01-20 18:06:24,045 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 65 [2021-01-20 18:06:25,248 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2021-01-20 18:06:26,329 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 69 [2021-01-20 18:06:28,140 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 69 [2021-01-20 18:06:28,692 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-01-20 18:06:29,210 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 53 [2021-01-20 18:06:30,286 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-01-20 18:06:30,598 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2021-01-20 18:06:30,930 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 41 [2021-01-20 18:06:31,500 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2021-01-20 18:06:32,051 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2021-01-20 18:06:32,509 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 35 [2021-01-20 18:06:32,953 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 49 [2021-01-20 18:06:33,523 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2021-01-20 18:06:34,518 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 66 [2021-01-20 18:06:34,969 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 30 [2021-01-20 18:06:35,698 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 68 [2021-01-20 18:06:36,156 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 32 [2021-01-20 18:06:37,434 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2021-01-20 18:06:38,229 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 60 [2021-01-20 18:06:38,705 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 35 [2021-01-20 18:06:38,976 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2021-01-20 18:06:39,456 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2021-01-20 18:06:40,241 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2021-01-20 18:06:40,600 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2021-01-20 18:06:40,996 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2021-01-20 18:06:41,646 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2021-01-20 18:06:42,056 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2021-01-20 18:06:48,695 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2021-01-20 18:06:57,424 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-01-20 18:07:22,506 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2021-01-20 18:07:38,503 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2021-01-20 18:08:04,351 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 73 [2021-01-20 18:08:04,668 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-01-20 18:08:26,059 WARN L193 SmtUtils]: Spent 6.75 s on a formula simplification. DAG size of input: 113 DAG size of output: 88 [2021-01-20 18:08:49,906 WARN L193 SmtUtils]: Spent 4.94 s on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2021-01-20 18:09:18,790 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2021-01-20 18:09:19,326 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-01-20 18:09:20,079 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 53 [2021-01-20 18:09:21,311 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 68 [2021-01-20 18:09:22,716 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 71 [2021-01-20 18:09:23,879 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2021-01-20 18:09:24,885 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2021-01-20 18:09:25,498 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2021-01-20 18:09:26,595 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 49 [2021-01-20 18:09:27,684 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2021-01-20 18:09:28,774 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 57 [2021-01-20 18:09:30,113 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2021-01-20 18:09:30,775 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 18:09:31,103 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-01-20 18:09:32,227 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2021-01-20 18:09:33,638 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 62 [2021-01-20 18:09:33,989 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-01-20 18:09:36,165 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 76 [2021-01-20 18:09:37,106 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2021-01-20 18:09:38,991 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 71 [2021-01-20 18:09:40,838 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 65 [2021-01-20 18:09:42,169 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2021-01-20 18:09:44,019 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 77 [2021-01-20 18:09:44,748 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-01-20 18:09:55,935 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2021-01-20 18:09:57,348 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2021-01-20 18:09:59,888 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2021-01-20 18:10:01,694 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2021-01-20 18:10:07,007 WARN L193 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 97 DAG size of output: 84 [2021-01-20 18:10:07,916 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-01-20 18:10:09,449 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 76 [2021-01-20 18:10:10,234 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-01-20 18:10:13,951 WARN L193 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 103 DAG size of output: 82 [2021-01-20 18:10:14,977 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2021-01-20 18:10:15,561 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2021-01-20 18:10:17,861 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 116 DAG size of output: 88 [2021-01-20 18:10:19,431 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 73 [2021-01-20 18:10:32,954 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2021-01-20 18:10:34,873 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 116 DAG size of output: 86 [2021-01-20 18:10:36,437 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2021-01-20 18:10:38,768 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 120 DAG size of output: 88 [2021-01-20 18:10:40,422 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2021-01-20 18:10:43,083 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 129 DAG size of output: 97 [2021-01-20 18:10:45,642 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2021-01-20 18:10:48,100 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 131 DAG size of output: 99 [2021-01-20 18:10:48,738 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2021-01-20 18:10:50,155 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2021-01-20 18:10:52,619 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 133 DAG size of output: 101 [2021-01-20 18:11:14,265 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2021-01-20 18:11:28,937 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2021-01-20 18:11:41,878 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-01-20 18:11:53,392 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2021-01-20 18:12:02,235 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2021-01-20 18:12:30,886 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2021-01-20 18:12:34,292 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 158 DAG size of output: 112 [2021-01-20 18:12:51,445 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2021-01-20 18:12:58,942 WARN L193 SmtUtils]: Spent 4.13 s on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2021-01-20 18:13:22,058 WARN L193 SmtUtils]: Spent 5.98 s on a formula simplification. DAG size of input: 111 DAG size of output: 102 [2021-01-20 18:13:33,716 WARN L193 SmtUtils]: Spent 6.27 s on a formula simplification. DAG size of input: 127 DAG size of output: 102 [2021-01-20 18:13:37,208 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 63 [2021-01-20 18:13:42,451 WARN L193 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2021-01-20 18:14:09,835 WARN L193 SmtUtils]: Spent 5.88 s on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2021-01-20 18:14:12,772 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-01-20 18:14:14,961 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 71 [2021-01-20 18:14:38,574 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 56 [2021-01-20 18:15:06,437 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2021-01-20 18:15:36,959 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2021-01-20 18:15:48,849 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2021-01-20 18:15:59,272 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 48 [2021-01-20 18:16:00,763 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-01-20 18:16:02,846 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 72 [2021-01-20 18:16:04,906 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2021-01-20 18:16:05,587 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2021-01-20 18:16:06,365 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2021-01-20 18:16:08,246 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 67 [2021-01-20 18:16:10,786 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 105 DAG size of output: 86 [2021-01-20 18:16:11,697 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2021-01-20 18:16:14,148 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 72 [2021-01-20 18:16:15,705 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2021-01-20 18:16:17,506 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2021-01-20 18:16:18,493 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-01-20 18:16:20,611 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 67 [2021-01-20 18:16:22,723 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2021-01-20 18:16:25,080 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 97 DAG size of output: 82 [2021-01-20 18:16:26,087 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-01-20 18:16:29,518 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2021-01-20 18:16:32,117 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2021-01-20 18:16:33,511 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-01-20 18:16:36,062 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2021-01-20 18:16:37,518 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2021-01-20 18:16:38,182 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-01-20 18:16:41,390 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 116 DAG size of output: 96 [2021-01-20 18:16:43,385 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 79 [2021-01-20 18:16:44,967 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2021-01-20 18:16:46,642 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2021-01-20 18:16:47,538 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2021-01-20 18:16:49,784 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2021-01-20 18:16:50,605 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-01-20 18:16:53,046 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 112 DAG size of output: 88 [2021-01-20 18:16:54,658 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2021-01-20 18:16:56,000 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 55 [2021-01-20 18:16:58,803 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2021-01-20 18:17:01,098 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-01-20 18:17:02,644 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 53 [2021-01-20 18:17:04,319 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2021-01-20 18:17:05,759 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 59 [2021-01-20 18:17:08,051 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2021-01-20 18:17:11,037 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 121 DAG size of output: 97 [2021-01-20 18:17:12,876 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-01-20 18:17:14,127 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-01-20 18:17:15,876 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 55 [2021-01-20 18:17:23,594 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 18:17:26,697 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:17:29,504 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2021-01-20 18:17:42,748 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-01-20 18:17:45,950 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 123 DAG size of output: 99 [2021-01-20 18:17:46,980 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-20 18:17:48,828 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2021-01-20 18:17:51,297 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2021-01-20 18:17:54,384 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 125 DAG size of output: 101 [2021-01-20 18:17:56,804 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2021-01-20 18:18:01,896 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2021-01-20 18:18:05,840 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 135 DAG size of output: 111 [2021-01-20 18:18:10,714 WARN L193 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 96 DAG size of output: 66 [2021-01-20 18:18:13,808 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2021-01-20 18:18:17,686 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 133 DAG size of output: 109 [2021-01-20 18:18:25,873 WARN L193 SmtUtils]: Spent 5.24 s on a formula simplification. DAG size of input: 94 DAG size of output: 81 [2021-01-20 18:18:34,671 WARN L193 SmtUtils]: Spent 6.38 s on a formula simplification. DAG size of input: 111 DAG size of output: 102 [2021-01-20 18:18:43,252 WARN L193 SmtUtils]: Spent 6.28 s on a formula simplification. DAG size of input: 149 DAG size of output: 122 Received shutdown request... [2021-01-20 18:18:46,703 WARN L210 SmtUtils]: Removed 26 from assertion stack [2021-01-20 18:18:46,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2021-01-20 18:18:46,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-20 18:18:46,905 WARN L546 AbstractCegarLoop]: Verification canceled [2021-01-20 18:18:46,910 WARN L250 ceAbstractionStarter]: Timeout [2021-01-20 18:18:46,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 06:18:46 BasicIcfg [2021-01-20 18:18:46,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-20 18:18:46,912 INFO L168 Benchmark]: Toolchain (without parser) took 849452.99 ms. Allocated memory was 302.0 MB in the beginning and 937.4 MB in the end (delta: 635.4 MB). Free memory was 276.7 MB in the beginning and 191.2 MB in the end (delta: 85.5 MB). Peak memory consumption was 725.1 MB. Max. memory is 16.0 GB. [2021-01-20 18:18:46,912 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 302.0 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-20 18:18:46,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1151.98 ms. Allocated memory is still 302.0 MB. Free memory was 276.5 MB in the beginning and 256.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.0 GB. [2021-01-20 18:18:46,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.96 ms. Allocated memory is still 302.0 MB. Free memory was 256.5 MB in the beginning and 254.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-20 18:18:46,913 INFO L168 Benchmark]: Boogie Preprocessor took 51.61 ms. Allocated memory is still 302.0 MB. Free memory was 254.4 MB in the beginning and 252.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-20 18:18:46,913 INFO L168 Benchmark]: RCFGBuilder took 952.32 ms. Allocated memory is still 302.0 MB. Free memory was 252.3 MB in the beginning and 217.7 MB in the end (delta: 34.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. [2021-01-20 18:18:46,913 INFO L168 Benchmark]: TraceAbstraction took 847155.79 ms. Allocated memory was 302.0 MB in the beginning and 937.4 MB in the end (delta: 635.4 MB). Free memory was 217.7 MB in the beginning and 191.2 MB in the end (delta: 26.5 MB). Peak memory consumption was 666.1 MB. Max. memory is 16.0 GB. [2021-01-20 18:18:46,915 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 302.0 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1151.98 ms. Allocated memory is still 302.0 MB. Free memory was 276.5 MB in the beginning and 256.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 130.96 ms. Allocated memory is still 302.0 MB. Free memory was 256.5 MB in the beginning and 254.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 51.61 ms. Allocated memory is still 302.0 MB. Free memory was 254.4 MB in the beginning and 252.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 952.32 ms. Allocated memory is still 302.0 MB. Free memory was 252.3 MB in the beginning and 217.7 MB in the end (delta: 34.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 847155.79 ms. Allocated memory was 302.0 MB in the beginning and 937.4 MB in the end (delta: 635.4 MB). Free memory was 217.7 MB in the beginning and 191.2 MB in the end (delta: 26.5 MB). Peak memory consumption was 666.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 20). Cancelled while BasicCegarLoop was constructing difference of abstraction (47919states) and FLOYD_HOARE automaton (currently 226 states, 62 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 121 for 2147ms.. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 20). Cancelled while BasicCegarLoop was constructing difference of abstraction (47919states) and FLOYD_HOARE automaton (currently 226 states, 62 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 121 for 2147ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 143 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 846.8s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 815.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.6s, HoareTripleCheckerStatistics: 3969 SDtfs, 11185 SDslu, 56321 SDs, 0 SdLazy, 14727 SolverSat, 357 SolverUnsat, 93 SolverUnknown, 0 SolverNotchecked, 222.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1351 GetRequests, 850 SyntacticMatches, 5 SemanticMatches, 495 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31199 ImplicationChecksByTransitivity, 588.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47919occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 26.1s InterpolantComputationTime, 2053 NumberOfCodeBlocks, 2053 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 2036 ConstructedInterpolants, 54 QuantifiedInterpolants, 2564923 SizeOfPredicates, 93 NumberOfNonLiveVariables, 1834 ConjunctsInSsa, 153 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 111/800 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown