/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-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe013_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 03:42:19,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 03:42:19,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 03:42:19,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 03:42:19,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 03:42:19,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 03:42:19,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 03:42:19,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 03:42:19,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 03:42:19,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 03:42:19,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 03:42:19,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 03:42:19,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 03:42:19,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 03:42:19,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 03:42:19,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 03:42:19,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 03:42:19,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 03:42:19,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 03:42:19,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 03:42:19,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 03:42:19,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 03:42:19,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 03:42:19,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 03:42:19,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 03:42:19,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 03:42:19,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 03:42:19,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 03:42:19,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 03:42:19,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 03:42:19,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 03:42:19,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 03:42:19,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 03:42:19,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 03:42:19,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 03:42:19,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 03:42:19,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 03:42:19,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 03:42:19,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 03:42:19,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 03:42:19,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 03:42:19,847 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-SemanticLbe.epf [2019-12-27 03:42:19,874 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 03:42:19,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 03:42:19,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 03:42:19,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 03:42:19,878 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 03:42:19,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 03:42:19,879 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 03:42:19,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 03:42:19,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 03:42:19,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 03:42:19,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 03:42:19,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 03:42:19,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 03:42:19,880 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 03:42:19,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 03:42:19,880 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 03:42:19,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 03:42:19,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 03:42:19,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 03:42:19,885 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 03:42:19,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 03:42:19,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 03:42:19,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 03:42:19,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 03:42:19,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 03:42:19,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 03:42:19,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 03:42:19,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 03:42:19,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 03:42:20,187 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 03:42:20,205 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 03:42:20,210 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 03:42:20,212 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 03:42:20,212 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 03:42:20,212 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe013_tso.opt.i [2019-12-27 03:42:20,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3026d658b/0a2e127e9615478da3ec61db25d363e4/FLAGf86ea8590 [2019-12-27 03:42:20,783 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 03:42:20,784 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe013_tso.opt.i [2019-12-27 03:42:20,807 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3026d658b/0a2e127e9615478da3ec61db25d363e4/FLAGf86ea8590 [2019-12-27 03:42:21,018 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3026d658b/0a2e127e9615478da3ec61db25d363e4 [2019-12-27 03:42:21,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 03:42:21,029 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 03:42:21,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 03:42:21,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 03:42:21,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 03:42:21,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 03:42:21" (1/1) ... [2019-12-27 03:42:21,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e471729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:42:21, skipping insertion in model container [2019-12-27 03:42:21,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 03:42:21" (1/1) ... [2019-12-27 03:42:21,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 03:42:21,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 03:42:21,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 03:42:21,583 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 03:42:21,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 03:42:21,715 INFO L208 MainTranslator]: Completed translation [2019-12-27 03:42:21,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:42:21 WrapperNode [2019-12-27 03:42:21,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 03:42:21,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 03:42:21,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 03:42:21,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 03:42:21,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:42:21" (1/1) ... [2019-12-27 03:42:21,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:42:21" (1/1) ... [2019-12-27 03:42:21,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 03:42:21,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 03:42:21,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 03:42:21,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 03:42:21,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:42:21" (1/1) ... [2019-12-27 03:42:21,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:42:21" (1/1) ... [2019-12-27 03:42:21,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:42:21" (1/1) ... [2019-12-27 03:42:21,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:42:21" (1/1) ... [2019-12-27 03:42:21,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:42:21" (1/1) ... [2019-12-27 03:42:21,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:42:21" (1/1) ... [2019-12-27 03:42:21,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:42:21" (1/1) ... [2019-12-27 03:42:21,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 03:42:21,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 03:42:21,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 03:42:21,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 03:42:21,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:42:21" (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 [2019-12-27 03:42:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 03:42:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 03:42:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 03:42:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 03:42:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 03:42:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 03:42:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 03:42:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 03:42:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 03:42:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 03:42:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 03:42:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 03:42:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 03:42:21,860 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 03:42:22,211 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 03:42:22,212 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 03:42:22,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 03:42:22 BoogieIcfgContainer [2019-12-27 03:42:22,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 03:42:22,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 03:42:22,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 03:42:22,218 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 03:42:22,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 03:42:21" (1/3) ... [2019-12-27 03:42:22,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8432426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 03:42:22, skipping insertion in model container [2019-12-27 03:42:22,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:42:21" (2/3) ... [2019-12-27 03:42:22,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8432426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 03:42:22, skipping insertion in model container [2019-12-27 03:42:22,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 03:42:22" (3/3) ... [2019-12-27 03:42:22,222 INFO L109 eAbstractionObserver]: Analyzing ICFG safe013_tso.opt.i [2019-12-27 03:42:22,230 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 03:42:22,230 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 03:42:22,237 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 03:42:22,238 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 03:42:22,268 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,268 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,268 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,269 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,269 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,269 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,270 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,270 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,270 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,271 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,271 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,271 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,272 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,272 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,272 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,272 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,272 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,273 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,276 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,276 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,277 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,277 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,292 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,293 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,293 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,294 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,296 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,296 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,296 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,297 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:42:22,314 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-27 03:42:22,333 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 03:42:22,334 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 03:42:22,334 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 03:42:22,334 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 03:42:22,334 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 03:42:22,334 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 03:42:22,335 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 03:42:22,335 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 03:42:22,349 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 54 transitions [2019-12-27 03:42:22,351 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 63 places, 54 transitions [2019-12-27 03:42:22,397 INFO L132 PetriNetUnfolder]: 1/51 cut-off events. [2019-12-27 03:42:22,398 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 03:42:22,404 INFO L76 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 51 events. 1/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 21 event pairs. 0/49 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-12-27 03:42:22,407 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 63 places, 54 transitions [2019-12-27 03:42:22,426 INFO L132 PetriNetUnfolder]: 1/51 cut-off events. [2019-12-27 03:42:22,426 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 03:42:22,428 INFO L76 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 51 events. 1/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 21 event pairs. 0/49 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-12-27 03:42:22,430 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 450 [2019-12-27 03:42:22,431 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 03:42:23,860 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-12-27 03:42:24,044 INFO L206 etLargeBlockEncoding]: Checked pairs total: 479 [2019-12-27 03:42:24,045 INFO L214 etLargeBlockEncoding]: Total number of compositions: 46 [2019-12-27 03:42:24,050 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 15 transitions [2019-12-27 03:42:24,068 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 46 states. [2019-12-27 03:42:24,071 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2019-12-27 03:42:24,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 03:42:24,088 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:42:24,089 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:42:24,089 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:42:24,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:42:24,099 INFO L82 PathProgramCache]: Analyzing trace with hash -196435608, now seen corresponding path program 1 times [2019-12-27 03:42:24,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:42:24,115 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062285269] [2019-12-27 03:42:24,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:42:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:42:24,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:42:24,395 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062285269] [2019-12-27 03:42:24,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:42:24,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 03:42:24,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103538532] [2019-12-27 03:42:24,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 03:42:24,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:42:24,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 03:42:24,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 03:42:24,419 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 3 states. [2019-12-27 03:42:24,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:42:24,455 INFO L93 Difference]: Finished difference Result 44 states and 89 transitions. [2019-12-27 03:42:24,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 03:42:24,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-27 03:42:24,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:42:24,469 INFO L225 Difference]: With dead ends: 44 [2019-12-27 03:42:24,470 INFO L226 Difference]: Without dead ends: 36 [2019-12-27 03:42:24,471 INFO L631 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 [2019-12-27 03:42:24,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-12-27 03:42:24,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-12-27 03:42:24,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-12-27 03:42:24,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 69 transitions. [2019-12-27 03:42:24,512 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 69 transitions. Word has length 8 [2019-12-27 03:42:24,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:42:24,513 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 69 transitions. [2019-12-27 03:42:24,513 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 03:42:24,513 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2019-12-27 03:42:24,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-27 03:42:24,514 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:42:24,514 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:42:24,515 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:42:24,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:42:24,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1074136562, now seen corresponding path program 1 times [2019-12-27 03:42:24,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:42:24,516 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408040686] [2019-12-27 03:42:24,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:42:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:42:24,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:42:24,585 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408040686] [2019-12-27 03:42:24,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:42:24,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 03:42:24,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134425401] [2019-12-27 03:42:24,588 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 03:42:24,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:42:24,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 03:42:24,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 03:42:24,589 INFO L87 Difference]: Start difference. First operand 36 states and 69 transitions. Second operand 3 states. [2019-12-27 03:42:24,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:42:24,595 INFO L93 Difference]: Finished difference Result 34 states and 64 transitions. [2019-12-27 03:42:24,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 03:42:24,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-12-27 03:42:24,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:42:24,597 INFO L225 Difference]: With dead ends: 34 [2019-12-27 03:42:24,597 INFO L226 Difference]: Without dead ends: 34 [2019-12-27 03:42:24,598 INFO L631 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 [2019-12-27 03:42:24,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-12-27 03:42:24,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-12-27 03:42:24,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-12-27 03:42:24,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 64 transitions. [2019-12-27 03:42:24,604 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 64 transitions. Word has length 9 [2019-12-27 03:42:24,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:42:24,605 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 64 transitions. [2019-12-27 03:42:24,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 03:42:24,605 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2019-12-27 03:42:24,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-27 03:42:24,606 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:42:24,606 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:42:24,606 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:42:24,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:42:24,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1794448346, now seen corresponding path program 1 times [2019-12-27 03:42:24,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:42:24,607 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901864671] [2019-12-27 03:42:24,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:42:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:42:24,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:42:24,656 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901864671] [2019-12-27 03:42:24,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:42:24,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 03:42:24,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886930904] [2019-12-27 03:42:24,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 03:42:24,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:42:24,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 03:42:24,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 03:42:24,658 INFO L87 Difference]: Start difference. First operand 34 states and 64 transitions. Second operand 3 states. [2019-12-27 03:42:24,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:42:24,669 INFO L93 Difference]: Finished difference Result 36 states and 63 transitions. [2019-12-27 03:42:24,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 03:42:24,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-12-27 03:42:24,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:42:24,671 INFO L225 Difference]: With dead ends: 36 [2019-12-27 03:42:24,671 INFO L226 Difference]: Without dead ends: 22 [2019-12-27 03:42:24,671 INFO L631 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 [2019-12-27 03:42:24,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-12-27 03:42:24,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-12-27 03:42:24,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-12-27 03:42:24,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 33 transitions. [2019-12-27 03:42:24,675 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 33 transitions. Word has length 9 [2019-12-27 03:42:24,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:42:24,675 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 33 transitions. [2019-12-27 03:42:24,676 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 03:42:24,676 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2019-12-27 03:42:24,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 03:42:24,676 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:42:24,676 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:42:24,677 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:42:24,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:42:24,677 INFO L82 PathProgramCache]: Analyzing trace with hash 206758562, now seen corresponding path program 1 times [2019-12-27 03:42:24,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:42:24,678 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483582061] [2019-12-27 03:42:24,678 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:42:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:42:24,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:42:24,744 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483582061] [2019-12-27 03:42:24,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:42:24,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 03:42:24,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324281859] [2019-12-27 03:42:24,745 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 03:42:24,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:42:24,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 03:42:24,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 03:42:24,746 INFO L87 Difference]: Start difference. First operand 22 states and 33 transitions. Second operand 4 states. [2019-12-27 03:42:24,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:42:24,770 INFO L93 Difference]: Finished difference Result 25 states and 35 transitions. [2019-12-27 03:42:24,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 03:42:24,772 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-12-27 03:42:24,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:42:24,773 INFO L225 Difference]: With dead ends: 25 [2019-12-27 03:42:24,773 INFO L226 Difference]: Without dead ends: 17 [2019-12-27 03:42:24,774 INFO L631 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 [2019-12-27 03:42:24,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-12-27 03:42:24,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-12-27 03:42:24,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-27 03:42:24,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-12-27 03:42:24,776 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 10 [2019-12-27 03:42:24,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:42:24,777 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-12-27 03:42:24,777 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 03:42:24,777 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2019-12-27 03:42:24,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-27 03:42:24,778 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:42:24,778 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:42:24,778 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:42:24,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:42:24,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1297271908, now seen corresponding path program 1 times [2019-12-27 03:42:24,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:42:24,779 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646963908] [2019-12-27 03:42:24,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:42:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:42:24,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:42:24,820 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646963908] [2019-12-27 03:42:24,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:42:24,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 03:42:24,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137569833] [2019-12-27 03:42:24,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 03:42:24,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:42:24,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 03:42:24,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 03:42:24,822 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand 4 states. [2019-12-27 03:42:24,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:42:24,839 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2019-12-27 03:42:24,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 03:42:24,839 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-27 03:42:24,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:42:24,840 INFO L225 Difference]: With dead ends: 16 [2019-12-27 03:42:24,840 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 03:42:24,840 INFO L631 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 [2019-12-27 03:42:24,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 03:42:24,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 03:42:24,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 03:42:24,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 03:42:24,841 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-12-27 03:42:24,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:42:24,842 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 03:42:24,842 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 03:42:24,842 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 03:42:24,842 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 03:42:24,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 03:42:24 BasicIcfg [2019-12-27 03:42:24,847 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 03:42:24,849 INFO L168 Benchmark]: Toolchain (without parser) took 3819.97 ms. Allocated memory was 138.9 MB in the beginning and 243.8 MB in the end (delta: 104.9 MB). Free memory was 103.2 MB in the beginning and 136.5 MB in the end (delta: -33.4 MB). Peak memory consumption was 71.5 MB. Max. memory is 7.1 GB. [2019-12-27 03:42:24,850 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-27 03:42:24,851 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.49 ms. Allocated memory was 138.9 MB in the beginning and 206.0 MB in the end (delta: 67.1 MB). Free memory was 102.8 MB in the beginning and 163.6 MB in the end (delta: -60.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-12-27 03:42:24,851 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.78 ms. Allocated memory is still 206.0 MB. Free memory was 163.6 MB in the beginning and 161.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 03:42:24,852 INFO L168 Benchmark]: Boogie Preprocessor took 24.97 ms. Allocated memory is still 206.0 MB. Free memory was 161.6 MB in the beginning and 159.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 03:42:24,853 INFO L168 Benchmark]: RCFGBuilder took 418.91 ms. Allocated memory is still 206.0 MB. Free memory was 159.6 MB in the beginning and 139.0 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-12-27 03:42:24,854 INFO L168 Benchmark]: TraceAbstraction took 2631.35 ms. Allocated memory was 206.0 MB in the beginning and 243.8 MB in the end (delta: 37.7 MB). Free memory was 139.0 MB in the beginning and 136.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. [2019-12-27 03:42:24,859 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 686.49 ms. Allocated memory was 138.9 MB in the beginning and 206.0 MB in the end (delta: 67.1 MB). Free memory was 102.8 MB in the beginning and 163.6 MB in the end (delta: -60.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.78 ms. Allocated memory is still 206.0 MB. Free memory was 163.6 MB in the beginning and 161.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.97 ms. Allocated memory is still 206.0 MB. Free memory was 161.6 MB in the beginning and 159.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 418.91 ms. Allocated memory is still 206.0 MB. Free memory was 159.6 MB in the beginning and 139.0 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2631.35 ms. Allocated memory was 206.0 MB in the beginning and 243.8 MB in the end (delta: 37.7 MB). Free memory was 139.0 MB in the beginning and 136.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.6s, 63 ProgramPointsBefore, 21 ProgramPointsAfterwards, 54 TransitionsBefore, 15 TransitionsAfterwards, 450 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 229 VarBasedMoverChecksPositive, 13 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 14 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 479 CheckedPairsTotal, 46 TotalNumberOfCompositions - PositiveResult [Line: 4]: 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, 54 locations, 1 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 59 SDtfs, 17 SDslu, 41 SDs, 0 SdLazy, 19 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 878 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...