/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin000_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 18:40:40,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 18:40:40,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 18:40:40,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 18:40:40,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 18:40:40,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 18:40:40,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 18:40:40,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 18:40:40,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 18:40:40,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 18:40:40,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 18:40:40,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 18:40:40,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 18:40:40,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 18:40:40,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 18:40:40,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 18:40:40,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 18:40:40,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 18:40:40,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 18:40:40,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 18:40:40,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 18:40:40,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 18:40:40,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 18:40:40,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 18:40:40,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-15 18:40:40,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 18:40:40,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 18:40:40,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 18:40:40,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 18:40:40,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 18:40:40,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 18:40:40,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 18:40:40,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 18:40:40,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 18:40:40,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 18:40:40,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 18:40:40,566 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 18:40:40,588 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 18:40:40,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 18:40:40,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 18:40:40,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 18:40:40,590 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 18:40:40,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 18:40:40,591 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 18:40:40,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 18:40:40,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 18:40:40,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 18:40:40,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 18:40:40,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 18:40:40,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 18:40:40,592 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 18:40:40,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 18:40:40,593 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 18:40:40,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 18:40:40,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 18:40:40,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 18:40:40,593 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 18:40:40,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 18:40:40,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 18:40:40,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 18:40:40,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 18:40:40,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 18:40:40,595 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 18:40:40,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 18:40:40,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 18:40:40,595 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 18:40:40,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 18:40:40,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 18:40:40,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 18:40:40,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 18:40:40,996 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 18:40:40,996 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 18:40:40,997 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin000_pso.opt.i [2020-10-15 18:40:41,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/656f30671/06141592aa2643ff93589243807e0d6b/FLAG911d5925d [2020-10-15 18:40:41,610 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 18:40:41,611 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin000_pso.opt.i [2020-10-15 18:40:41,628 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/656f30671/06141592aa2643ff93589243807e0d6b/FLAG911d5925d [2020-10-15 18:40:41,906 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/656f30671/06141592aa2643ff93589243807e0d6b [2020-10-15 18:40:41,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 18:40:41,917 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 18:40:41,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 18:40:41,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 18:40:41,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 18:40:41,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:40:41" (1/1) ... [2020-10-15 18:40:41,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ac3e6db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:41, skipping insertion in model container [2020-10-15 18:40:41,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:40:41" (1/1) ... [2020-10-15 18:40:41,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 18:40:41,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 18:40:42,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 18:40:42,383 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 18:40:42,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 18:40:42,647 INFO L208 MainTranslator]: Completed translation [2020-10-15 18:40:42,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:42 WrapperNode [2020-10-15 18:40:42,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 18:40:42,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 18:40:42,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 18:40:42,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 18:40:42,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:42" (1/1) ... [2020-10-15 18:40:42,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:42" (1/1) ... [2020-10-15 18:40:42,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 18:40:42,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 18:40:42,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 18:40:42,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 18:40:42,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:42" (1/1) ... [2020-10-15 18:40:42,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:42" (1/1) ... [2020-10-15 18:40:42,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:42" (1/1) ... [2020-10-15 18:40:42,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:42" (1/1) ... [2020-10-15 18:40:42,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:42" (1/1) ... [2020-10-15 18:40:42,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:42" (1/1) ... [2020-10-15 18:40:42,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:42" (1/1) ... [2020-10-15 18:40:42,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 18:40:42,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 18:40:42,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 18:40:42,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 18:40:42,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 18:40:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 18:40:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-15 18:40:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 18:40:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 18:40:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-15 18:40:42,775 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-15 18:40:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-15 18:40:42,776 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-15 18:40:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-15 18:40:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 18:40:42,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 18:40:42,778 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 18:40:43,115 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 18:40:43,116 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-15 18:40:43,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:40:43 BoogieIcfgContainer [2020-10-15 18:40:43,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 18:40:43,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 18:40:43,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 18:40:43,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 18:40:43,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:40:41" (1/3) ... [2020-10-15 18:40:43,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2607ccf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:40:43, skipping insertion in model container [2020-10-15 18:40:43,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:40:42" (2/3) ... [2020-10-15 18:40:43,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2607ccf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:40:43, skipping insertion in model container [2020-10-15 18:40:43,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:40:43" (3/3) ... [2020-10-15 18:40:43,126 INFO L111 eAbstractionObserver]: Analyzing ICFG thin000_pso.opt.i [2020-10-15 18:40:43,138 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 18:40:43,138 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 18:40:43,145 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 18:40:43,146 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 18:40:43,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:40:43,171 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:40:43,171 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:40:43,172 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:40:43,172 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:40:43,172 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:40:43,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:40:43,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:40:43,173 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:40:43,174 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:40:43,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:40:43,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:40:43,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:40:43,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:40:43,179 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:40:43,179 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:40:43,187 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:40:43,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:40:43,187 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:40:43,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:40:43,203 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-15 18:40:43,224 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 18:40:43,225 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 18:40:43,225 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 18:40:43,225 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 18:40:43,225 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 18:40:43,226 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 18:40:43,226 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 18:40:43,226 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 18:40:43,238 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 18:40:43,240 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 56 transitions, 122 flow [2020-10-15 18:40:43,242 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 56 transitions, 122 flow [2020-10-15 18:40:43,243 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 61 places, 56 transitions, 122 flow [2020-10-15 18:40:43,280 INFO L129 PetriNetUnfolder]: 2/54 cut-off events. [2020-10-15 18:40:43,280 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 18:40:43,284 INFO L80 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 54 events. 2/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 32 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2020-10-15 18:40:43,287 INFO L117 LiptonReduction]: Number of co-enabled transitions 672 [2020-10-15 18:40:44,313 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-10-15 18:40:44,654 INFO L132 LiptonReduction]: Checked pairs total: 1197 [2020-10-15 18:40:44,654 INFO L134 LiptonReduction]: Total number of compositions: 50 [2020-10-15 18:40:44,664 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 15 transitions, 40 flow [2020-10-15 18:40:44,684 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 74 states. [2020-10-15 18:40:44,686 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-10-15 18:40:44,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-15 18:40:44,714 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:40:44,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-15 18:40:44,715 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:40:44,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:40:44,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1988358065, now seen corresponding path program 1 times [2020-10-15 18:40:44,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:40:44,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521336622] [2020-10-15 18:40:44,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:40:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:40:44,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:40:44,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521336622] [2020-10-15 18:40:44,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:40:44,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 18:40:44,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488573239] [2020-10-15 18:40:44,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 18:40:44,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:40:44,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 18:40:44,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 18:40:44,976 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2020-10-15 18:40:45,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:40:45,009 INFO L93 Difference]: Finished difference Result 70 states and 149 transitions. [2020-10-15 18:40:45,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 18:40:45,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-15 18:40:45,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:40:45,023 INFO L225 Difference]: With dead ends: 70 [2020-10-15 18:40:45,024 INFO L226 Difference]: Without dead ends: 54 [2020-10-15 18:40:45,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 18:40:45,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-15 18:40:45,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-10-15 18:40:45,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-15 18:40:45,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 109 transitions. [2020-10-15 18:40:45,066 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 109 transitions. Word has length 6 [2020-10-15 18:40:45,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:40:45,067 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 109 transitions. [2020-10-15 18:40:45,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 18:40:45,067 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 109 transitions. [2020-10-15 18:40:45,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-15 18:40:45,068 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:40:45,068 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:40:45,068 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 18:40:45,069 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:40:45,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:40:45,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1509525162, now seen corresponding path program 1 times [2020-10-15 18:40:45,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:40:45,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091099712] [2020-10-15 18:40:45,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:40:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:40:45,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:40:45,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091099712] [2020-10-15 18:40:45,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:40:45,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 18:40:45,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972655994] [2020-10-15 18:40:45,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 18:40:45,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:40:45,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 18:40:45,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 18:40:45,135 INFO L87 Difference]: Start difference. First operand 54 states and 109 transitions. Second operand 4 states. [2020-10-15 18:40:45,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:40:45,158 INFO L93 Difference]: Finished difference Result 60 states and 113 transitions. [2020-10-15 18:40:45,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 18:40:45,158 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-15 18:40:45,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:40:45,159 INFO L225 Difference]: With dead ends: 60 [2020-10-15 18:40:45,160 INFO L226 Difference]: Without dead ends: 36 [2020-10-15 18:40:45,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 18:40:45,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-15 18:40:45,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-10-15 18:40:45,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-15 18:40:45,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 63 transitions. [2020-10-15 18:40:45,167 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 63 transitions. Word has length 7 [2020-10-15 18:40:45,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:40:45,167 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 63 transitions. [2020-10-15 18:40:45,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 18:40:45,167 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 63 transitions. [2020-10-15 18:40:45,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-15 18:40:45,168 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:40:45,168 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:40:45,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 18:40:45,169 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:40:45,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:40:45,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1014872071, now seen corresponding path program 1 times [2020-10-15 18:40:45,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:40:45,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103206559] [2020-10-15 18:40:45,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:40:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:40:45,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:40:45,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103206559] [2020-10-15 18:40:45,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:40:45,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 18:40:45,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599026063] [2020-10-15 18:40:45,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 18:40:45,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:40:45,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 18:40:45,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 18:40:45,222 INFO L87 Difference]: Start difference. First operand 36 states and 63 transitions. Second operand 4 states. [2020-10-15 18:40:45,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:40:45,237 INFO L93 Difference]: Finished difference Result 30 states and 50 transitions. [2020-10-15 18:40:45,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 18:40:45,238 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-15 18:40:45,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:40:45,238 INFO L225 Difference]: With dead ends: 30 [2020-10-15 18:40:45,238 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 18:40:45,239 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 18:40:45,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 18:40:45,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 18:40:45,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 18:40:45,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 18:40:45,240 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2020-10-15 18:40:45,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:40:45,240 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 18:40:45,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 18:40:45,240 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 18:40:45,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 18:40:45,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 18:40:45,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 06:40:45 BasicIcfg [2020-10-15 18:40:45,244 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 18:40:45,247 INFO L168 Benchmark]: Toolchain (without parser) took 3330.01 ms. Allocated memory was 252.7 MB in the beginning and 359.7 MB in the end (delta: 107.0 MB). Free memory was 207.0 MB in the beginning and 192.0 MB in the end (delta: 15.0 MB). Peak memory consumption was 122.0 MB. Max. memory is 14.2 GB. [2020-10-15 18:40:45,247 INFO L168 Benchmark]: CDTParser took 1.64 ms. Allocated memory is still 252.7 MB. Free memory is still 229.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 18:40:45,248 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.82 ms. Allocated memory was 252.7 MB in the beginning and 312.0 MB in the end (delta: 59.2 MB). Free memory was 207.0 MB in the beginning and 267.1 MB in the end (delta: -60.0 MB). Peak memory consumption was 33.3 MB. Max. memory is 14.2 GB. [2020-10-15 18:40:45,249 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.31 ms. Allocated memory is still 312.0 MB. Free memory was 267.1 MB in the beginning and 264.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 18:40:45,250 INFO L168 Benchmark]: Boogie Preprocessor took 23.88 ms. Allocated memory is still 312.0 MB. Free memory is still 264.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 18:40:45,251 INFO L168 Benchmark]: RCFGBuilder took 398.18 ms. Allocated memory is still 312.0 MB. Free memory was 264.5 MB in the beginning and 242.7 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 14.2 GB. [2020-10-15 18:40:45,252 INFO L168 Benchmark]: TraceAbstraction took 2125.22 ms. Allocated memory was 312.0 MB in the beginning and 359.7 MB in the end (delta: 47.7 MB). Free memory was 242.7 MB in the beginning and 192.0 MB in the end (delta: 50.7 MB). Peak memory consumption was 98.4 MB. Max. memory is 14.2 GB. [2020-10-15 18:40:45,256 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.64 ms. Allocated memory is still 252.7 MB. Free memory is still 229.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 729.82 ms. Allocated memory was 252.7 MB in the beginning and 312.0 MB in the end (delta: 59.2 MB). Free memory was 207.0 MB in the beginning and 267.1 MB in the end (delta: -60.0 MB). Peak memory consumption was 33.3 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 47.31 ms. Allocated memory is still 312.0 MB. Free memory was 267.1 MB in the beginning and 264.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 23.88 ms. Allocated memory is still 312.0 MB. Free memory is still 264.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 398.18 ms. Allocated memory is still 312.0 MB. Free memory was 264.5 MB in the beginning and 242.7 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 2125.22 ms. Allocated memory was 312.0 MB in the beginning and 359.7 MB in the end (delta: 47.7 MB). Free memory was 242.7 MB in the beginning and 192.0 MB in the end (delta: 50.7 MB). Peak memory consumption was 98.4 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 481 VarBasedMoverChecksPositive, 28 VarBasedMoverChecksNegative, 4 SemBasedMoverChecksPositive, 24 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 40 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.4s, 61 PlacesBefore, 22 PlacesAfterwards, 56 TransitionsBefore, 15 TransitionsAfterwards, 672 CoEnabledTransitionPairs, 5 FixpointIterations, 13 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 50 TotalNumberOfCompositions, 1197 MoverChecksTotal - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 33 SDtfs, 32 SDslu, 20 SDs, 0 SdLazy, 11 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 375 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...