/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/stack_longest-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 10:51:08,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 10:51:08,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 10:51:08,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 10:51:08,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 10:51:08,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 10:51:08,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 10:51:08,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 10:51:08,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 10:51:08,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 10:51:08,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 10:51:08,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 10:51:08,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 10:51:08,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 10:51:08,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 10:51:08,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 10:51:08,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 10:51:08,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 10:51:08,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 10:51:08,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 10:51:08,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 10:51:08,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 10:51:08,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 10:51:08,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 10:51:08,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 10:51:08,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 10:51:08,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 10:51:08,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 10:51:08,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 10:51:08,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 10:51:08,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 10:51:08,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 10:51:08,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 10:51:08,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 10:51:08,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 10:51:08,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 10:51:08,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 10:51:08,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 10:51:08,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 10:51:08,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 10:51:08,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 10:51:08,129 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-16 10:51:08,169 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 10:51:08,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 10:51:08,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 10:51:08,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 10:51:08,171 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 10:51:08,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 10:51:08,172 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 10:51:08,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 10:51:08,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 10:51:08,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 10:51:08,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 10:51:08,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 10:51:08,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 10:51:08,175 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 10:51:08,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 10:51:08,176 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 10:51:08,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 10:51:08,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 10:51:08,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 10:51:08,177 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 10:51:08,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 10:51:08,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 10:51:08,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 10:51:08,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 10:51:08,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 10:51:08,178 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 10:51:08,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 10:51:08,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 10:51:08,179 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-16 10:51:08,179 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 10:51:08,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 10:51:08,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 10:51:08,509 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 10:51:08,511 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 10:51:08,511 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 10:51:08,512 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-2.i [2020-10-16 10:51:08,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a98a3630/6c2439c5ec57415a9b237669bc3499e6/FLAGcb5680a07 [2020-10-16 10:51:09,147 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 10:51:09,147 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread/stack_longest-2.i [2020-10-16 10:51:09,176 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a98a3630/6c2439c5ec57415a9b237669bc3499e6/FLAGcb5680a07 [2020-10-16 10:51:09,408 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a98a3630/6c2439c5ec57415a9b237669bc3499e6 [2020-10-16 10:51:09,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 10:51:09,420 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 10:51:09,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 10:51:09,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 10:51:09,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 10:51:09,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:51:09" (1/1) ... [2020-10-16 10:51:09,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a052c5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:09, skipping insertion in model container [2020-10-16 10:51:09,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:51:09" (1/1) ... [2020-10-16 10:51:09,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 10:51:09,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 10:51:10,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 10:51:10,206 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 10:51:10,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 10:51:10,441 INFO L208 MainTranslator]: Completed translation [2020-10-16 10:51:10,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10 WrapperNode [2020-10-16 10:51:10,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 10:51:10,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 10:51:10,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 10:51:10,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 10:51:10,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10" (1/1) ... [2020-10-16 10:51:10,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10" (1/1) ... [2020-10-16 10:51:10,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 10:51:10,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 10:51:10,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 10:51:10,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 10:51:10,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10" (1/1) ... [2020-10-16 10:51:10,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10" (1/1) ... [2020-10-16 10:51:10,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10" (1/1) ... [2020-10-16 10:51:10,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10" (1/1) ... [2020-10-16 10:51:10,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10" (1/1) ... [2020-10-16 10:51:10,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10" (1/1) ... [2020-10-16 10:51:10,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10" (1/1) ... [2020-10-16 10:51:10,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 10:51:10,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 10:51:10,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 10:51:10,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 10:51:10,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 10:51:10,617 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-16 10:51:10,618 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-16 10:51:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-16 10:51:10,618 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-16 10:51:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 10:51:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 10:51:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 10:51:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 10:51:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 10:51:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 10:51:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 10:51:10,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 10:51:10,625 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 10:51:11,195 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 10:51:11,196 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-16 10:51:11,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:51:11 BoogieIcfgContainer [2020-10-16 10:51:11,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 10:51:11,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 10:51:11,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 10:51:11,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 10:51:11,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:51:09" (1/3) ... [2020-10-16 10:51:11,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556698a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:51:11, skipping insertion in model container [2020-10-16 10:51:11,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10" (2/3) ... [2020-10-16 10:51:11,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556698a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:51:11, skipping insertion in model container [2020-10-16 10:51:11,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:51:11" (3/3) ... [2020-10-16 10:51:11,210 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longest-2.i [2020-10-16 10:51:11,224 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 10:51:11,225 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 10:51:11,234 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 10:51:11,236 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 10:51:11,277 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,277 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,277 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,278 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,278 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,278 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,279 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,279 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,279 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,280 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,280 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,280 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,281 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,281 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,281 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,281 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,282 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,282 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,282 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,282 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,282 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,283 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,283 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,283 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,284 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,284 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,284 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,284 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,285 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,285 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,285 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,285 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,286 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,286 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,286 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,287 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,287 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,287 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,287 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,288 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,288 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,288 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,289 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,289 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,289 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,289 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,290 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,290 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,290 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,291 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,293 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,293 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,293 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,293 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,294 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,294 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,294 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,294 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,311 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,311 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,311 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,311 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,311 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,312 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,312 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,312 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,314 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,314 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,318 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,318 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,318 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,319 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,319 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,319 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,319 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,320 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,320 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,320 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,320 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,320 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,322 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,322 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,323 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,323 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,323 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,324 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,325 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,326 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,326 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,326 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,326 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,326 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,327 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,327 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,327 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,327 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,328 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,328 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,328 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,329 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,329 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,329 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,330 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,333 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,334 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,335 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,335 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,342 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,343 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,343 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,343 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,343 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,344 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,344 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,344 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,344 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,345 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,345 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,345 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,345 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,345 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,345 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,346 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,349 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,350 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,350 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,350 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,350 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,350 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,351 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,351 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,351 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,351 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,351 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,351 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,352 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,352 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,352 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,352 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,352 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,353 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,359 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,359 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,359 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,359 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,359 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,360 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,360 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,360 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,360 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,360 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,361 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,361 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,361 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,361 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,361 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,362 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,362 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,362 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 10:51:11,368 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-16 10:51:11,382 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 10:51:11,402 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 10:51:11,402 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 10:51:11,402 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 10:51:11,402 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 10:51:11,403 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 10:51:11,403 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 10:51:11,403 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 10:51:11,403 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 10:51:11,418 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 10:51:11,421 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 138 transitions, 298 flow [2020-10-16 10:51:11,424 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 138 transitions, 298 flow [2020-10-16 10:51:11,426 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 133 places, 138 transitions, 298 flow [2020-10-16 10:51:11,489 INFO L129 PetriNetUnfolder]: 11/138 cut-off events. [2020-10-16 10:51:11,490 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 10:51:11,498 INFO L80 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 138 events. 11/138 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 342 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 106. Up to 3 conditions per place. [2020-10-16 10:51:11,504 INFO L117 LiptonReduction]: Number of co-enabled transitions 5744 [2020-10-16 10:51:14,647 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2020-10-16 10:51:14,853 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-16 10:51:15,225 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-16 10:51:15,434 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-16 10:51:15,448 INFO L132 LiptonReduction]: Checked pairs total: 10440 [2020-10-16 10:51:15,449 INFO L134 LiptonReduction]: Total number of compositions: 123 [2020-10-16 10:51:15,457 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 40 transitions, 102 flow [2020-10-16 10:51:15,485 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 331 states. [2020-10-16 10:51:15,487 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states. [2020-10-16 10:51:15,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-16 10:51:15,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:15,497 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-16 10:51:15,497 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:15,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:15,504 INFO L82 PathProgramCache]: Analyzing trace with hash -290275557, now seen corresponding path program 1 times [2020-10-16 10:51:15,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:15,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469396499] [2020-10-16 10:51:15,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:15,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469396499] [2020-10-16 10:51:15,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 10:51:15,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 10:51:15,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334651923] [2020-10-16 10:51:15,754 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 10:51:15,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:51:15,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 10:51:15,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 10:51:15,774 INFO L87 Difference]: Start difference. First operand 331 states. Second operand 3 states. [2020-10-16 10:51:15,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:51:15,854 INFO L93 Difference]: Finished difference Result 504 states and 1247 transitions. [2020-10-16 10:51:15,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 10:51:15,856 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-16 10:51:15,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:51:15,883 INFO L225 Difference]: With dead ends: 504 [2020-10-16 10:51:15,883 INFO L226 Difference]: Without dead ends: 460 [2020-10-16 10:51:15,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 10:51:15,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-10-16 10:51:15,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 420. [2020-10-16 10:51:15,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-10-16 10:51:15,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 1090 transitions. [2020-10-16 10:51:15,971 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 1090 transitions. Word has length 6 [2020-10-16 10:51:15,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:51:15,971 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 1090 transitions. [2020-10-16 10:51:15,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 10:51:15,971 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 1090 transitions. [2020-10-16 10:51:15,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 10:51:15,973 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:15,973 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 10:51:15,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 10:51:15,974 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:15,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:15,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1518668221, now seen corresponding path program 1 times [2020-10-16 10:51:15,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:15,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825730269] [2020-10-16 10:51:15,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:16,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:16,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825730269] [2020-10-16 10:51:16,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 10:51:16,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 10:51:16,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674834309] [2020-10-16 10:51:16,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 10:51:16,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:51:16,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 10:51:16,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 10:51:16,075 INFO L87 Difference]: Start difference. First operand 420 states and 1090 transitions. Second operand 3 states. [2020-10-16 10:51:16,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:51:16,111 INFO L93 Difference]: Finished difference Result 464 states and 1200 transitions. [2020-10-16 10:51:16,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 10:51:16,112 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-16 10:51:16,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:51:16,117 INFO L225 Difference]: With dead ends: 464 [2020-10-16 10:51:16,117 INFO L226 Difference]: Without dead ends: 464 [2020-10-16 10:51:16,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 10:51:16,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-10-16 10:51:16,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2020-10-16 10:51:16,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-10-16 10:51:16,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 1200 transitions. [2020-10-16 10:51:16,154 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 1200 transitions. Word has length 10 [2020-10-16 10:51:16,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:51:16,154 INFO L481 AbstractCegarLoop]: Abstraction has 464 states and 1200 transitions. [2020-10-16 10:51:16,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 10:51:16,154 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1200 transitions. [2020-10-16 10:51:16,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 10:51:16,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:16,156 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 10:51:16,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 10:51:16,157 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:16,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:16,157 INFO L82 PathProgramCache]: Analyzing trace with hash 542344755, now seen corresponding path program 1 times [2020-10-16 10:51:16,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:16,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745672586] [2020-10-16 10:51:16,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:16,268 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:16,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745672586] [2020-10-16 10:51:16,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120435278] [2020-10-16 10:51:16,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 10:51:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:16,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-16 10:51:16,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 10:51:16,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:16,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 10:51:16,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-16 10:51:16,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450665394] [2020-10-16 10:51:16,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 10:51:16,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:51:16,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 10:51:16,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 10:51:16,408 INFO L87 Difference]: Start difference. First operand 464 states and 1200 transitions. Second operand 5 states. [2020-10-16 10:51:16,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:51:16,550 INFO L93 Difference]: Finished difference Result 741 states and 1849 transitions. [2020-10-16 10:51:16,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 10:51:16,555 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-16 10:51:16,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:51:16,563 INFO L225 Difference]: With dead ends: 741 [2020-10-16 10:51:16,563 INFO L226 Difference]: Without dead ends: 741 [2020-10-16 10:51:16,564 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-16 10:51:16,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2020-10-16 10:51:16,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 575. [2020-10-16 10:51:16,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2020-10-16 10:51:16,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 1484 transitions. [2020-10-16 10:51:16,601 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 1484 transitions. Word has length 13 [2020-10-16 10:51:16,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:51:16,601 INFO L481 AbstractCegarLoop]: Abstraction has 575 states and 1484 transitions. [2020-10-16 10:51:16,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 10:51:16,602 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1484 transitions. [2020-10-16 10:51:16,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 10:51:16,605 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:16,605 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 10:51:16,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-16 10:51:16,823 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:16,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:16,824 INFO L82 PathProgramCache]: Analyzing trace with hash 843892794, now seen corresponding path program 1 times [2020-10-16 10:51:16,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:16,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369041178] [2020-10-16 10:51:16,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:16,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:16,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369041178] [2020-10-16 10:51:16,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 10:51:16,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 10:51:16,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443361401] [2020-10-16 10:51:16,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 10:51:16,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:51:16,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 10:51:16,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 10:51:16,950 INFO L87 Difference]: Start difference. First operand 575 states and 1484 transitions. Second operand 3 states. [2020-10-16 10:51:16,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:51:16,970 INFO L93 Difference]: Finished difference Result 304 states and 670 transitions. [2020-10-16 10:51:16,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 10:51:16,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-16 10:51:16,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:51:16,973 INFO L225 Difference]: With dead ends: 304 [2020-10-16 10:51:16,973 INFO L226 Difference]: Without dead ends: 304 [2020-10-16 10:51:16,973 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 10:51:16,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-10-16 10:51:16,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 294. [2020-10-16 10:51:16,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-10-16 10:51:16,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 643 transitions. [2020-10-16 10:51:16,983 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 643 transitions. Word has length 16 [2020-10-16 10:51:16,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:51:16,983 INFO L481 AbstractCegarLoop]: Abstraction has 294 states and 643 transitions. [2020-10-16 10:51:16,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 10:51:16,984 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 643 transitions. [2020-10-16 10:51:16,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-16 10:51:16,986 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:16,986 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 10:51:16,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 10:51:16,986 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:16,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:16,987 INFO L82 PathProgramCache]: Analyzing trace with hash -960478475, now seen corresponding path program 1 times [2020-10-16 10:51:16,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:16,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854020580] [2020-10-16 10:51:16,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:17,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:17,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854020580] [2020-10-16 10:51:17,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 10:51:17,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 10:51:17,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004584461] [2020-10-16 10:51:17,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 10:51:17,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:51:17,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 10:51:17,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 10:51:17,032 INFO L87 Difference]: Start difference. First operand 294 states and 643 transitions. Second operand 3 states. [2020-10-16 10:51:17,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:51:17,065 INFO L93 Difference]: Finished difference Result 372 states and 811 transitions. [2020-10-16 10:51:17,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 10:51:17,066 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-16 10:51:17,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:51:17,068 INFO L225 Difference]: With dead ends: 372 [2020-10-16 10:51:17,068 INFO L226 Difference]: Without dead ends: 372 [2020-10-16 10:51:17,069 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 10:51:17,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-10-16 10:51:17,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 295. [2020-10-16 10:51:17,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-10-16 10:51:17,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 647 transitions. [2020-10-16 10:51:17,078 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 647 transitions. Word has length 17 [2020-10-16 10:51:17,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:51:17,079 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 647 transitions. [2020-10-16 10:51:17,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 10:51:17,079 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 647 transitions. [2020-10-16 10:51:17,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-16 10:51:17,081 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:17,081 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-16 10:51:17,081 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 10:51:17,081 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:17,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:17,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1582230501, now seen corresponding path program 2 times [2020-10-16 10:51:17,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:17,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224824355] [2020-10-16 10:51:17,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:17,207 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:17,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224824355] [2020-10-16 10:51:17,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002527481] [2020-10-16 10:51:17,208 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 10:51:17,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-16 10:51:17,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-16 10:51:17,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-16 10:51:17,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 10:51:17,341 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:17,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 10:51:17,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-10-16 10:51:17,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042748300] [2020-10-16 10:51:17,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 10:51:17,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:51:17,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 10:51:17,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-16 10:51:17,344 INFO L87 Difference]: Start difference. First operand 295 states and 647 transitions. Second operand 7 states. [2020-10-16 10:51:17,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:51:17,440 INFO L93 Difference]: Finished difference Result 496 states and 1064 transitions. [2020-10-16 10:51:17,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 10:51:17,440 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-10-16 10:51:17,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:51:17,444 INFO L225 Difference]: With dead ends: 496 [2020-10-16 10:51:17,444 INFO L226 Difference]: Without dead ends: 496 [2020-10-16 10:51:17,445 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-16 10:51:17,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2020-10-16 10:51:17,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 372. [2020-10-16 10:51:17,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-10-16 10:51:17,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 816 transitions. [2020-10-16 10:51:17,458 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 816 transitions. Word has length 20 [2020-10-16 10:51:17,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:51:17,459 INFO L481 AbstractCegarLoop]: Abstraction has 372 states and 816 transitions. [2020-10-16 10:51:17,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 10:51:17,459 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 816 transitions. [2020-10-16 10:51:17,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-16 10:51:17,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:17,460 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 10:51:17,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 10:51:17,674 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:17,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:17,675 INFO L82 PathProgramCache]: Analyzing trace with hash 69417077, now seen corresponding path program 1 times [2020-10-16 10:51:17,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:17,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110021738] [2020-10-16 10:51:17,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:18,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:18,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110021738] [2020-10-16 10:51:18,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 10:51:18,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 10:51:18,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921140339] [2020-10-16 10:51:18,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 10:51:18,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:51:18,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 10:51:18,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-16 10:51:18,049 INFO L87 Difference]: Start difference. First operand 372 states and 816 transitions. Second operand 9 states. [2020-10-16 10:51:18,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:51:18,324 INFO L93 Difference]: Finished difference Result 643 states and 1378 transitions. [2020-10-16 10:51:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 10:51:18,325 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-16 10:51:18,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:51:18,330 INFO L225 Difference]: With dead ends: 643 [2020-10-16 10:51:18,330 INFO L226 Difference]: Without dead ends: 581 [2020-10-16 10:51:18,331 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-16 10:51:18,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2020-10-16 10:51:18,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 416. [2020-10-16 10:51:18,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-10-16 10:51:18,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 916 transitions. [2020-10-16 10:51:18,347 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 916 transitions. Word has length 21 [2020-10-16 10:51:18,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:51:18,347 INFO L481 AbstractCegarLoop]: Abstraction has 416 states and 916 transitions. [2020-10-16 10:51:18,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 10:51:18,348 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 916 transitions. [2020-10-16 10:51:18,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-16 10:51:18,349 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:18,349 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 10:51:18,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 10:51:18,350 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:18,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:18,350 INFO L82 PathProgramCache]: Analyzing trace with hash 2126692033, now seen corresponding path program 1 times [2020-10-16 10:51:18,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:18,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654990569] [2020-10-16 10:51:18,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:18,413 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 10:51:18,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654990569] [2020-10-16 10:51:18,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 10:51:18,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 10:51:18,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330672870] [2020-10-16 10:51:18,414 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 10:51:18,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:51:18,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 10:51:18,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-16 10:51:18,415 INFO L87 Difference]: Start difference. First operand 416 states and 916 transitions. Second operand 6 states. [2020-10-16 10:51:18,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:51:18,490 INFO L93 Difference]: Finished difference Result 576 states and 1231 transitions. [2020-10-16 10:51:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 10:51:18,490 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-10-16 10:51:18,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:51:18,494 INFO L225 Difference]: With dead ends: 576 [2020-10-16 10:51:18,494 INFO L226 Difference]: Without dead ends: 566 [2020-10-16 10:51:18,495 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-16 10:51:18,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2020-10-16 10:51:18,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 476. [2020-10-16 10:51:18,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-10-16 10:51:18,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 1042 transitions. [2020-10-16 10:51:18,510 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 1042 transitions. Word has length 24 [2020-10-16 10:51:18,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:51:18,511 INFO L481 AbstractCegarLoop]: Abstraction has 476 states and 1042 transitions. [2020-10-16 10:51:18,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 10:51:18,511 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 1042 transitions. [2020-10-16 10:51:18,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-16 10:51:18,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:18,513 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2020-10-16 10:51:18,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 10:51:18,513 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:18,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:18,513 INFO L82 PathProgramCache]: Analyzing trace with hash 2004586803, now seen corresponding path program 3 times [2020-10-16 10:51:18,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:18,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137305618] [2020-10-16 10:51:18,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:18,627 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:18,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137305618] [2020-10-16 10:51:18,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580130628] [2020-10-16 10:51:18,628 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 10:51:18,741 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-16 10:51:18,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-16 10:51:18,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-16 10:51:18,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 10:51:18,762 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:18,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 10:51:18,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2020-10-16 10:51:18,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628163434] [2020-10-16 10:51:18,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 10:51:18,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:51:18,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 10:51:18,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-16 10:51:18,765 INFO L87 Difference]: Start difference. First operand 476 states and 1042 transitions. Second operand 9 states. [2020-10-16 10:51:18,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:51:18,872 INFO L93 Difference]: Finished difference Result 759 states and 1615 transitions. [2020-10-16 10:51:18,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 10:51:18,873 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-10-16 10:51:18,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:51:18,878 INFO L225 Difference]: With dead ends: 759 [2020-10-16 10:51:18,878 INFO L226 Difference]: Without dead ends: 759 [2020-10-16 10:51:18,878 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-10-16 10:51:18,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2020-10-16 10:51:18,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 553. [2020-10-16 10:51:18,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2020-10-16 10:51:18,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 1211 transitions. [2020-10-16 10:51:18,897 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 1211 transitions. Word has length 27 [2020-10-16 10:51:18,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:51:18,897 INFO L481 AbstractCegarLoop]: Abstraction has 553 states and 1211 transitions. [2020-10-16 10:51:18,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 10:51:18,897 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 1211 transitions. [2020-10-16 10:51:18,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-16 10:51:18,899 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:18,900 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 10:51:19,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 10:51:19,106 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:19,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:19,106 INFO L82 PathProgramCache]: Analyzing trace with hash -408396195, now seen corresponding path program 2 times [2020-10-16 10:51:19,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:19,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939939111] [2020-10-16 10:51:19,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:19,608 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:19,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939939111] [2020-10-16 10:51:19,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508604783] [2020-10-16 10:51:19,609 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 10:51:19,696 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-10-16 10:51:19,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-16 10:51:19,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 45 conjunts are in the unsatisfiable core [2020-10-16 10:51:19,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 10:51:19,761 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 53 [2020-10-16 10:51:19,763 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-16 10:51:19,792 INFO L625 ElimStorePlain]: treesize reduction 29, result has 42.0 percent of original size [2020-10-16 10:51:19,796 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-16 10:51:19,797 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:23, output treesize:4 [2020-10-16 10:51:20,051 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2020-10-16 10:51:20,051 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 10:51:20,079 INFO L625 ElimStorePlain]: treesize reduction 3, result has 93.0 percent of original size [2020-10-16 10:51:20,087 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-16 10:51:20,087 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:47, output treesize:54 [2020-10-16 10:51:20,358 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 37 [2020-10-16 10:51:20,359 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 10:51:20,374 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 10:51:20,377 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 10:51:20,379 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:69, output treesize:65 [2020-10-16 10:51:21,045 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 10:51:21,071 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 31 [2020-10-16 10:51:21,105 INFO L545 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 10:51:21,115 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 34 [2020-10-16 10:51:21,145 INFO L545 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 10:51:21,271 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2020-10-16 10:51:21,273 INFO L625 ElimStorePlain]: treesize reduction 90, result has 43.4 percent of original size [2020-10-16 10:51:21,283 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 10:51:21,283 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:178, output treesize:65 [2020-10-16 10:51:21,445 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 10:51:21,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-16 10:51:21,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [15] total 28 [2020-10-16 10:51:21,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281564751] [2020-10-16 10:51:21,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-16 10:51:21,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:51:21,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-16 10:51:21,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2020-10-16 10:51:21,448 INFO L87 Difference]: Start difference. First operand 553 states and 1211 transitions. Second operand 15 states. [2020-10-16 10:51:26,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:51:26,108 INFO L93 Difference]: Finished difference Result 1207 states and 2573 transitions. [2020-10-16 10:51:26,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-16 10:51:26,108 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 28 [2020-10-16 10:51:26,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:51:26,116 INFO L225 Difference]: With dead ends: 1207 [2020-10-16 10:51:26,116 INFO L226 Difference]: Without dead ends: 1167 [2020-10-16 10:51:26,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 613 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=380, Invalid=2926, Unknown=0, NotChecked=0, Total=3306 [2020-10-16 10:51:26,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2020-10-16 10:51:26,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 657. [2020-10-16 10:51:26,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2020-10-16 10:51:26,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 1465 transitions. [2020-10-16 10:51:26,142 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 1465 transitions. Word has length 28 [2020-10-16 10:51:26,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:51:26,142 INFO L481 AbstractCegarLoop]: Abstraction has 657 states and 1465 transitions. [2020-10-16 10:51:26,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-16 10:51:26,143 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1465 transitions. [2020-10-16 10:51:26,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-16 10:51:26,147 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:26,147 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 10:51:26,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 10:51:26,362 INFO L429 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:26,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:26,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1113124825, now seen corresponding path program 2 times [2020-10-16 10:51:26,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:26,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150063075] [2020-10-16 10:51:26,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:26,484 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 10:51:26,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150063075] [2020-10-16 10:51:26,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283870177] [2020-10-16 10:51:26,485 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 10:51:26,572 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-16 10:51:26,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-16 10:51:26,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-16 10:51:26,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 10:51:26,593 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 10:51:26,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 10:51:26,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2020-10-16 10:51:26,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784676710] [2020-10-16 10:51:26,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 10:51:26,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:51:26,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 10:51:26,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-16 10:51:26,599 INFO L87 Difference]: Start difference. First operand 657 states and 1465 transitions. Second operand 8 states. [2020-10-16 10:51:26,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:51:26,719 INFO L93 Difference]: Finished difference Result 985 states and 2121 transitions. [2020-10-16 10:51:26,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 10:51:26,719 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2020-10-16 10:51:26,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:51:26,725 INFO L225 Difference]: With dead ends: 985 [2020-10-16 10:51:26,725 INFO L226 Difference]: Without dead ends: 985 [2020-10-16 10:51:26,726 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-16 10:51:26,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2020-10-16 10:51:26,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 701. [2020-10-16 10:51:26,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2020-10-16 10:51:26,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1589 transitions. [2020-10-16 10:51:26,751 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1589 transitions. Word has length 31 [2020-10-16 10:51:26,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:51:26,751 INFO L481 AbstractCegarLoop]: Abstraction has 701 states and 1589 transitions. [2020-10-16 10:51:26,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 10:51:26,751 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1589 transitions. [2020-10-16 10:51:26,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-16 10:51:26,753 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:26,753 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2020-10-16 10:51:26,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-16 10:51:26,969 INFO L429 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:26,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:26,969 INFO L82 PathProgramCache]: Analyzing trace with hash 443984155, now seen corresponding path program 4 times [2020-10-16 10:51:26,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:26,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663700554] [2020-10-16 10:51:26,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:27,076 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:27,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663700554] [2020-10-16 10:51:27,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423020373] [2020-10-16 10:51:27,077 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 10:51:27,168 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-16 10:51:27,168 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-16 10:51:27,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-16 10:51:27,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 10:51:27,184 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 10:51:27,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 10:51:27,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2020-10-16 10:51:27,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280665581] [2020-10-16 10:51:27,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-16 10:51:27,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 10:51:27,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-16 10:51:27,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-16 10:51:27,187 INFO L87 Difference]: Start difference. First operand 701 states and 1589 transitions. Second operand 11 states. [2020-10-16 10:51:27,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 10:51:27,314 INFO L93 Difference]: Finished difference Result 1137 states and 2478 transitions. [2020-10-16 10:51:27,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-16 10:51:27,315 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 34 [2020-10-16 10:51:27,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 10:51:27,321 INFO L225 Difference]: With dead ends: 1137 [2020-10-16 10:51:27,322 INFO L226 Difference]: Without dead ends: 1137 [2020-10-16 10:51:27,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-10-16 10:51:27,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2020-10-16 10:51:27,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 792. [2020-10-16 10:51:27,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 792 states. [2020-10-16 10:51:27,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1797 transitions. [2020-10-16 10:51:27,346 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1797 transitions. Word has length 34 [2020-10-16 10:51:27,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 10:51:27,347 INFO L481 AbstractCegarLoop]: Abstraction has 792 states and 1797 transitions. [2020-10-16 10:51:27,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-16 10:51:27,347 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1797 transitions. [2020-10-16 10:51:27,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-16 10:51:27,349 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 10:51:27,349 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 10:51:27,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 10:51:27,565 INFO L429 AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 10:51:27,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 10:51:27,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1975916590, now seen corresponding path program 1 times [2020-10-16 10:51:27,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 10:51:27,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939910052] [2020-10-16 10:51:27,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 10:51:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 10:51:27,665 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 22: A-local: [(|t1Thread1of1ForFork0_push_#t~ret35_5| Int), (t1Thread1of1ForFork0_push_~stack.offset_3 Int)], B-local: []. [2020-10-16 10:51:27,667 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 23: A-local: [(|t1Thread1of1ForFork0_push_#t~ret35_5| Int), (t1Thread1of1ForFork0_push_~stack.offset_3 Int)], B-local: []. [2020-10-16 10:51:27,669 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 24: A-local: [(|t1Thread1of1ForFork0_push_#t~ret35_5| Int), (t1Thread1of1ForFork0_push_~stack.offset_3 Int)], B-local: []. [2020-10-16 10:51:27,673 ERROR L253 erpolLogProxyWrapper]: Interpolant 25 not inductive [2020-10-16 10:51:27,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 10:51:27,687 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:876) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:360) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-10-16 10:51:27,692 INFO L168 Benchmark]: Toolchain (without parser) took 18273.05 ms. Allocated memory was 137.9 MB in the beginning and 365.4 MB in the end (delta: 227.5 MB). Free memory was 99.4 MB in the beginning and 162.0 MB in the end (delta: -62.6 MB). Peak memory consumption was 164.9 MB. Max. memory is 7.1 GB. [2020-10-16 10:51:27,693 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 10:51:27,694 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1022.41 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 99.2 MB in the beginning and 132.5 MB in the end (delta: -33.3 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. [2020-10-16 10:51:27,694 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.22 ms. Allocated memory is still 201.3 MB. Free memory was 132.5 MB in the beginning and 129.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-16 10:51:27,695 INFO L168 Benchmark]: Boogie Preprocessor took 38.34 ms. Allocated memory is still 201.3 MB. Free memory was 129.7 MB in the beginning and 127.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-10-16 10:51:27,696 INFO L168 Benchmark]: RCFGBuilder took 653.95 ms. Allocated memory is still 201.3 MB. Free memory was 127.7 MB in the beginning and 94.7 MB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2020-10-16 10:51:27,697 INFO L168 Benchmark]: TraceAbstraction took 16489.58 ms. Allocated memory was 201.3 MB in the beginning and 365.4 MB in the end (delta: 164.1 MB). Free memory was 94.7 MB in the beginning and 162.0 MB in the end (delta: -67.4 MB). Peak memory consumption was 96.7 MB. Max. memory is 7.1 GB. [2020-10-16 10:51:27,700 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1022.41 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 99.2 MB in the beginning and 132.5 MB in the end (delta: -33.3 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 63.22 ms. Allocated memory is still 201.3 MB. Free memory was 132.5 MB in the beginning and 129.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.34 ms. Allocated memory is still 201.3 MB. Free memory was 129.7 MB in the beginning and 127.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 653.95 ms. Allocated memory is still 201.3 MB. Free memory was 127.7 MB in the beginning and 94.7 MB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16489.58 ms. Allocated memory was 201.3 MB in the beginning and 365.4 MB in the end (delta: 164.1 MB). Free memory was 94.7 MB in the beginning and 162.0 MB in the end (delta: -67.4 MB). Peak memory consumption was 96.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3994 VarBasedMoverChecksPositive, 70 VarBasedMoverChecksNegative, 4 SemBasedMoverChecksPositive, 66 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 284 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.0s, 133 PlacesBefore, 40 PlacesAfterwards, 138 TransitionsBefore, 40 TransitionsAfterwards, 5744 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 75 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 17 ConcurrentYvCompositions, 5 ChoiceCompositions, 123 TotalNumberOfCompositions, 10440 MoverChecksTotal - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...