/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe034_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 02:52:46,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 02:52:46,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 02:52:46,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 02:52:46,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 02:52:46,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 02:52:46,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 02:52:46,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 02:52:46,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 02:52:46,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 02:52:46,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 02:52:46,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 02:52:46,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 02:52:46,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 02:52:46,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 02:52:46,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 02:52:46,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 02:52:46,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 02:52:46,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 02:52:46,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 02:52:46,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 02:52:46,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 02:52:46,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 02:52:46,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 02:52:46,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 02:52:46,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 02:52:46,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 02:52:46,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 02:52:46,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 02:52:46,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 02:52:46,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 02:52:46,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 02:52:46,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 02:52:46,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 02:52:46,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 02:52:46,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 02:52:46,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 02:52:46,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 02:52:46,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 02:52:46,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 02:52:46,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 02:52:46,744 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf [2020-04-18 02:52:46,763 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 02:52:46,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 02:52:46,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 02:52:46,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 02:52:46,765 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 02:52:46,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 02:52:46,765 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 02:52:46,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 02:52:46,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 02:52:46,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 02:52:46,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 02:52:46,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 02:52:46,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 02:52:46,766 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 02:52:46,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 02:52:46,767 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 02:52:46,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 02:52:46,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 02:52:46,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 02:52:46,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 02:52:46,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 02:52:46,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 02:52:46,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 02:52:46,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 02:52:46,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 02:52:46,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-18 02:52:46,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 02:52:46,769 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-04-18 02:52:46,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 02:52:46,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 02:52:47,029 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 02:52:47,042 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 02:52:47,045 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 02:52:47,047 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 02:52:47,047 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 02:52:47,048 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe034_tso.oepc.i [2020-04-18 02:52:47,106 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77bee4c8f/0304df56f9f941a29f84d079a273e446/FLAG7c1e5fac9 [2020-04-18 02:52:47,618 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 02:52:47,619 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe034_tso.oepc.i [2020-04-18 02:52:47,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77bee4c8f/0304df56f9f941a29f84d079a273e446/FLAG7c1e5fac9 [2020-04-18 02:52:47,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77bee4c8f/0304df56f9f941a29f84d079a273e446 [2020-04-18 02:52:47,928 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 02:52:47,945 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 02:52:47,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 02:52:47,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 02:52:47,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 02:52:47,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 02:52:47" (1/1) ... [2020-04-18 02:52:47,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64339033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:52:47, skipping insertion in model container [2020-04-18 02:52:47,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 02:52:47" (1/1) ... [2020-04-18 02:52:47,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 02:52:48,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 02:52:48,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 02:52:48,517 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 02:52:48,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 02:52:48,638 INFO L208 MainTranslator]: Completed translation [2020-04-18 02:52:48,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:52:48 WrapperNode [2020-04-18 02:52:48,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 02:52:48,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 02:52:48,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 02:52:48,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 02:52:48,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:52:48" (1/1) ... [2020-04-18 02:52:48,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:52:48" (1/1) ... [2020-04-18 02:52:48,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 02:52:48,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 02:52:48,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 02:52:48,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 02:52:48,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:52:48" (1/1) ... [2020-04-18 02:52:48,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:52:48" (1/1) ... [2020-04-18 02:52:48,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:52:48" (1/1) ... [2020-04-18 02:52:48,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:52:48" (1/1) ... [2020-04-18 02:52:48,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:52:48" (1/1) ... [2020-04-18 02:52:48,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:52:48" (1/1) ... [2020-04-18 02:52:48,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:52:48" (1/1) ... [2020-04-18 02:52:48,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 02:52:48,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 02:52:48,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 02:52:48,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 02:52:48,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:52:48" (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 [2020-04-18 02:52:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 02:52:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-04-18 02:52:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 02:52:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 02:52:48,823 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-04-18 02:52:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-04-18 02:52:48,824 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-04-18 02:52:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-04-18 02:52:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-04-18 02:52:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-04-18 02:52:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-04-18 02:52:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 02:52:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 02:52:48,829 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 02:52:49,363 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 02:52:49,364 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-04-18 02:52:49,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 02:52:49 BoogieIcfgContainer [2020-04-18 02:52:49,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 02:52:49,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 02:52:49,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 02:52:49,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 02:52:49,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 02:52:47" (1/3) ... [2020-04-18 02:52:49,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a53c0d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 02:52:49, skipping insertion in model container [2020-04-18 02:52:49,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:52:48" (2/3) ... [2020-04-18 02:52:49,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a53c0d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 02:52:49, skipping insertion in model container [2020-04-18 02:52:49,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 02:52:49" (3/3) ... [2020-04-18 02:52:49,391 INFO L109 eAbstractionObserver]: Analyzing ICFG safe034_tso.oepc.i [2020-04-18 02:52:49,403 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 02:52:49,404 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 02:52:49,412 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-18 02:52:49,413 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 02:52:49,438 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,438 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,439 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,439 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,440 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,440 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,440 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,441 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,441 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,441 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,442 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,442 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,442 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,443 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,443 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,443 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,444 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,444 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,448 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,448 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,449 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,449 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,454 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,455 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,455 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,456 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,458 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,459 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,459 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,459 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:52:49,474 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-04-18 02:52:49,495 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 02:52:49,496 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 02:52:49,496 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 02:52:49,496 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 02:52:49,496 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 02:52:49,496 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 02:52:49,497 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 02:52:49,497 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 02:52:49,512 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 70 transitions, 155 flow [2020-04-18 02:52:49,514 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-04-18 02:52:49,559 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-04-18 02:52:49,559 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-18 02:52:49,564 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-04-18 02:52:49,567 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-04-18 02:52:49,587 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-04-18 02:52:49,588 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-18 02:52:49,588 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-04-18 02:52:49,591 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-04-18 02:52:49,592 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 02:52:51,354 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-04-18 02:52:51,466 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2732 [2020-04-18 02:52:51,466 INFO L214 etLargeBlockEncoding]: Total number of compositions: 60 [2020-04-18 02:52:51,470 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 22 transitions, 59 flow [2020-04-18 02:52:51,495 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states. [2020-04-18 02:52:51,498 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-04-18 02:52:51,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 02:52:51,506 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:52:51,507 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:52:51,507 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:52:51,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:52:51,514 INFO L82 PathProgramCache]: Analyzing trace with hash 760003701, now seen corresponding path program 1 times [2020-04-18 02:52:51,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:52:51,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831262440] [2020-04-18 02:52:51,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:52:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:52:51,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:52:51,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831262440] [2020-04-18 02:52:51,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:52:51,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-04-18 02:52:51,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672628247] [2020-04-18 02:52:51,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 02:52:51,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:52:51,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 02:52:51,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 02:52:51,742 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states. [2020-04-18 02:52:51,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:52:51,797 INFO L93 Difference]: Finished difference Result 290 states and 834 transitions. [2020-04-18 02:52:51,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 02:52:51,800 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-04-18 02:52:51,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:52:51,833 INFO L225 Difference]: With dead ends: 290 [2020-04-18 02:52:51,834 INFO L226 Difference]: Without dead ends: 226 [2020-04-18 02:52:51,835 INFO L678 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 [2020-04-18 02:52:51,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-04-18 02:52:51,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-04-18 02:52:51,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-04-18 02:52:51,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 626 transitions. [2020-04-18 02:52:51,906 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 626 transitions. Word has length 8 [2020-04-18 02:52:51,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:52:51,908 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 626 transitions. [2020-04-18 02:52:51,908 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 02:52:51,908 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 626 transitions. [2020-04-18 02:52:51,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-18 02:52:51,909 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:52:51,909 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:52:51,910 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:52:51,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:52:51,910 INFO L82 PathProgramCache]: Analyzing trace with hash 2069729619, now seen corresponding path program 1 times [2020-04-18 02:52:51,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:52:51,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739599898] [2020-04-18 02:52:51,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:52:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:52:52,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:52:52,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739599898] [2020-04-18 02:52:52,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:52:52,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 02:52:52,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669778066] [2020-04-18 02:52:52,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:52:52,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:52:52,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:52:52,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:52:52,047 INFO L87 Difference]: Start difference. First operand 226 states and 626 transitions. Second operand 4 states. [2020-04-18 02:52:52,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:52:52,113 INFO L93 Difference]: Finished difference Result 242 states and 605 transitions. [2020-04-18 02:52:52,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 02:52:52,114 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-04-18 02:52:52,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:52:52,116 INFO L225 Difference]: With dead ends: 242 [2020-04-18 02:52:52,116 INFO L226 Difference]: Without dead ends: 178 [2020-04-18 02:52:52,117 INFO L678 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 [2020-04-18 02:52:52,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-04-18 02:52:52,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2020-04-18 02:52:52,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-04-18 02:52:52,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 434 transitions. [2020-04-18 02:52:52,134 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 434 transitions. Word has length 9 [2020-04-18 02:52:52,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:52:52,134 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 434 transitions. [2020-04-18 02:52:52,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:52:52,135 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 434 transitions. [2020-04-18 02:52:52,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-04-18 02:52:52,136 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:52:52,136 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:52:52,136 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:52:52,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:52:52,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1183022512, now seen corresponding path program 1 times [2020-04-18 02:52:52,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:52:52,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611314118] [2020-04-18 02:52:52,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:52:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:52:52,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:52:52,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611314118] [2020-04-18 02:52:52,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:52:52,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 02:52:52,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333689813] [2020-04-18 02:52:52,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-18 02:52:52,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:52:52,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 02:52:52,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-04-18 02:52:52,241 INFO L87 Difference]: Start difference. First operand 178 states and 434 transitions. Second operand 5 states. [2020-04-18 02:52:52,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:52:52,302 INFO L93 Difference]: Finished difference Result 163 states and 368 transitions. [2020-04-18 02:52:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-04-18 02:52:52,303 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-04-18 02:52:52,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:52:52,304 INFO L225 Difference]: With dead ends: 163 [2020-04-18 02:52:52,305 INFO L226 Difference]: Without dead ends: 126 [2020-04-18 02:52:52,305 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-04-18 02:52:52,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-04-18 02:52:52,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2020-04-18 02:52:52,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-04-18 02:52:52,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 278 transitions. [2020-04-18 02:52:52,314 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 278 transitions. Word has length 11 [2020-04-18 02:52:52,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:52:52,314 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 278 transitions. [2020-04-18 02:52:52,315 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-18 02:52:52,315 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 278 transitions. [2020-04-18 02:52:52,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-04-18 02:52:52,316 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:52:52,316 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:52:52,317 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:52:52,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:52:52,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1548024821, now seen corresponding path program 1 times [2020-04-18 02:52:52,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:52:52,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178523623] [2020-04-18 02:52:52,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:52:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:52:52,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:52:52,449 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178523623] [2020-04-18 02:52:52,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:52:52,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 02:52:52,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674196334] [2020-04-18 02:52:52,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 02:52:52,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:52:52,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 02:52:52,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-04-18 02:52:52,453 INFO L87 Difference]: Start difference. First operand 126 states and 278 transitions. Second operand 6 states. [2020-04-18 02:52:52,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:52:52,536 INFO L93 Difference]: Finished difference Result 118 states and 260 transitions. [2020-04-18 02:52:52,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-04-18 02:52:52,536 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-04-18 02:52:52,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:52:52,537 INFO L225 Difference]: With dead ends: 118 [2020-04-18 02:52:52,537 INFO L226 Difference]: Without dead ends: 108 [2020-04-18 02:52:52,538 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-04-18 02:52:52,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-04-18 02:52:52,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-04-18 02:52:52,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-04-18 02:52:52,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 242 transitions. [2020-04-18 02:52:52,545 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 242 transitions. Word has length 14 [2020-04-18 02:52:52,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:52:52,546 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 242 transitions. [2020-04-18 02:52:52,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 02:52:52,546 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 242 transitions. [2020-04-18 02:52:52,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-04-18 02:52:52,547 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:52:52,547 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:52:52,548 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:52:52,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:52:52,548 INFO L82 PathProgramCache]: Analyzing trace with hash 2137678742, now seen corresponding path program 1 times [2020-04-18 02:52:52,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:52:52,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637878587] [2020-04-18 02:52:52,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:52:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:52:52,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:52:52,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637878587] [2020-04-18 02:52:52,629 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:52:52,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 02:52:52,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232596024] [2020-04-18 02:52:52,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 02:52:52,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:52:52,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 02:52:52,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 02:52:52,630 INFO L87 Difference]: Start difference. First operand 108 states and 242 transitions. Second operand 3 states. [2020-04-18 02:52:52,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:52:52,641 INFO L93 Difference]: Finished difference Result 133 states and 289 transitions. [2020-04-18 02:52:52,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 02:52:52,642 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-04-18 02:52:52,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:52:52,643 INFO L225 Difference]: With dead ends: 133 [2020-04-18 02:52:52,643 INFO L226 Difference]: Without dead ends: 54 [2020-04-18 02:52:52,644 INFO L678 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 [2020-04-18 02:52:52,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-04-18 02:52:52,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-04-18 02:52:52,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-04-18 02:52:52,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 98 transitions. [2020-04-18 02:52:52,656 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 98 transitions. Word has length 17 [2020-04-18 02:52:52,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:52:52,656 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 98 transitions. [2020-04-18 02:52:52,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 02:52:52,656 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 98 transitions. [2020-04-18 02:52:52,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-04-18 02:52:52,657 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:52:52,657 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:52:52,657 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:52:52,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:52:52,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1164645812, now seen corresponding path program 2 times [2020-04-18 02:52:52,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:52:52,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568532457] [2020-04-18 02:52:52,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:52:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:52:52,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:52:52,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568532457] [2020-04-18 02:52:52,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:52:52,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 02:52:52,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058789351] [2020-04-18 02:52:52,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:52:52,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:52:52,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:52:52,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:52:52,738 INFO L87 Difference]: Start difference. First operand 54 states and 98 transitions. Second operand 4 states. [2020-04-18 02:52:52,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:52:52,756 INFO L93 Difference]: Finished difference Result 67 states and 119 transitions. [2020-04-18 02:52:52,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 02:52:52,757 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-04-18 02:52:52,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:52:52,757 INFO L225 Difference]: With dead ends: 67 [2020-04-18 02:52:52,757 INFO L226 Difference]: Without dead ends: 30 [2020-04-18 02:52:52,758 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 02:52:52,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-04-18 02:52:52,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-04-18 02:52:52,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-04-18 02:52:52,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2020-04-18 02:52:52,760 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 17 [2020-04-18 02:52:52,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:52:52,760 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2020-04-18 02:52:52,760 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:52:52,760 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2020-04-18 02:52:52,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-04-18 02:52:52,761 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:52:52,761 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:52:52,761 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:52:52,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:52:52,762 INFO L82 PathProgramCache]: Analyzing trace with hash 2098338434, now seen corresponding path program 3 times [2020-04-18 02:52:52,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:52:52,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537613438] [2020-04-18 02:52:52,762 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:52:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:52:52,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:52:52,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537613438] [2020-04-18 02:52:52,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:52:52,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 02:52:52,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15987479] [2020-04-18 02:52:52,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:52:52,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:52:52,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:52:52,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:52:52,821 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 4 states. [2020-04-18 02:52:52,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:52:52,835 INFO L93 Difference]: Finished difference Result 29 states and 43 transitions. [2020-04-18 02:52:52,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 02:52:52,835 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-04-18 02:52:52,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:52:52,836 INFO L225 Difference]: With dead ends: 29 [2020-04-18 02:52:52,836 INFO L226 Difference]: Without dead ends: 0 [2020-04-18 02:52:52,836 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 02:52:52,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-04-18 02:52:52,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-04-18 02:52:52,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-04-18 02:52:52,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-04-18 02:52:52,837 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-04-18 02:52:52,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:52:52,838 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-04-18 02:52:52,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:52:52,838 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-04-18 02:52:52,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 02:52:52,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 02:52:52 BasicIcfg [2020-04-18 02:52:52,842 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 02:52:52,844 INFO L168 Benchmark]: Toolchain (without parser) took 4914.42 ms. Allocated memory was 138.9 MB in the beginning and 245.9 MB in the end (delta: 107.0 MB). Free memory was 100.4 MB in the beginning and 207.5 MB in the end (delta: -107.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-04-18 02:52:52,845 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory is still 120.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-04-18 02:52:52,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.14 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 98.7 MB in the beginning and 159.8 MB in the end (delta: -61.1 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2020-04-18 02:52:52,848 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.73 ms. Allocated memory is still 203.4 MB. Free memory was 159.8 MB in the beginning and 157.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-18 02:52:52,849 INFO L168 Benchmark]: Boogie Preprocessor took 46.37 ms. Allocated memory is still 203.4 MB. Free memory was 157.7 MB in the beginning and 155.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-04-18 02:52:52,850 INFO L168 Benchmark]: RCFGBuilder took 635.69 ms. Allocated memory is still 203.4 MB. Free memory was 155.8 MB in the beginning and 134.6 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2020-04-18 02:52:52,851 INFO L168 Benchmark]: TraceAbstraction took 3466.69 ms. Allocated memory was 203.4 MB in the beginning and 245.9 MB in the end (delta: 42.5 MB). Free memory was 133.6 MB in the beginning and 207.5 MB in the end (delta: -73.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-04-18 02:52:52,867 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory is still 120.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 692.14 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 98.7 MB in the beginning and 159.8 MB in the end (delta: -61.1 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 50.73 ms. Allocated memory is still 203.4 MB. Free memory was 159.8 MB in the beginning and 157.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.37 ms. Allocated memory is still 203.4 MB. Free memory was 157.7 MB in the beginning and 155.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 635.69 ms. Allocated memory is still 203.4 MB. Free memory was 155.8 MB in the beginning and 134.6 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3466.69 ms. Allocated memory was 203.4 MB in the beginning and 245.9 MB in the end (delta: 42.5 MB). Free memory was 133.6 MB in the beginning and 207.5 MB in the end (delta: -73.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.9s, 78 ProgramPointsBefore, 31 ProgramPointsAfterwards, 70 TransitionsBefore, 22 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 665 VarBasedMoverChecksPositive, 21 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2732 CheckedPairsTotal, 60 TotalNumberOfCompositions - 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 4 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: 141 SDtfs, 114 SDslu, 191 SDs, 0 SdLazy, 96 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred 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: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 2838 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...