/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-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe030_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 14:26:03,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 14:26:03,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 14:26:03,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 14:26:03,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 14:26:03,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 14:26:03,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 14:26:03,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 14:26:03,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 14:26:03,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 14:26:03,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 14:26:03,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 14:26:03,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 14:26:03,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 14:26:03,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 14:26:03,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 14:26:03,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 14:26:03,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 14:26:03,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 14:26:03,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 14:26:03,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 14:26:03,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 14:26:03,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 14:26:03,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 14:26:03,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 14:26:03,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 14:26:03,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 14:26:03,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 14:26:03,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 14:26:03,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 14:26:03,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 14:26:03,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 14:26:03,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 14:26:03,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 14:26:03,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 14:26:03,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 14:26:03,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 14:26:03,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 14:26:03,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 14:26:03,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 14:26:03,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 14:26:03,837 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2019-12-27 14:26:03,851 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 14:26:03,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 14:26:03,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 14:26:03,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 14:26:03,853 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 14:26:03,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 14:26:03,854 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 14:26:03,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 14:26:03,854 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 14:26:03,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 14:26:03,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 14:26:03,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 14:26:03,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 14:26:03,855 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 14:26:03,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 14:26:03,855 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 14:26:03,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 14:26:03,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 14:26:03,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 14:26:03,856 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 14:26:03,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 14:26:03,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 14:26:03,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 14:26:03,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 14:26:03,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 14:26:03,857 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 14:26:03,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 14:26:03,858 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 14:26:03,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 14:26:03,858 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 14:26:04,149 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 14:26:04,171 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 14:26:04,175 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 14:26:04,176 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 14:26:04,177 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 14:26:04,178 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe030_power.opt.i [2019-12-27 14:26:04,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cef6635da/7de510e370c34c4e82ea0287c7465d01/FLAG392230cfc [2019-12-27 14:26:04,888 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 14:26:04,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe030_power.opt.i [2019-12-27 14:26:04,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cef6635da/7de510e370c34c4e82ea0287c7465d01/FLAG392230cfc [2019-12-27 14:26:05,166 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cef6635da/7de510e370c34c4e82ea0287c7465d01 [2019-12-27 14:26:05,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 14:26:05,180 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 14:26:05,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 14:26:05,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 14:26:05,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 14:26:05,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 02:26:05" (1/1) ... [2019-12-27 14:26:05,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f84663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:26:05, skipping insertion in model container [2019-12-27 14:26:05,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 02:26:05" (1/1) ... [2019-12-27 14:26:05,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 14:26:05,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 14:26:05,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 14:26:05,819 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 14:26:05,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 14:26:05,962 INFO L208 MainTranslator]: Completed translation [2019-12-27 14:26:05,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:26:05 WrapperNode [2019-12-27 14:26:05,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 14:26:05,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 14:26:05,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 14:26:05,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 14:26:05,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:26:05" (1/1) ... [2019-12-27 14:26:05,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:26:05" (1/1) ... [2019-12-27 14:26:06,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 14:26:06,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 14:26:06,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 14:26:06,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 14:26:06,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:26:05" (1/1) ... [2019-12-27 14:26:06,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:26:05" (1/1) ... [2019-12-27 14:26:06,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:26:05" (1/1) ... [2019-12-27 14:26:06,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:26:05" (1/1) ... [2019-12-27 14:26:06,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:26:05" (1/1) ... [2019-12-27 14:26:06,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:26:05" (1/1) ... [2019-12-27 14:26:06,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:26:05" (1/1) ... [2019-12-27 14:26:06,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 14:26:06,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 14:26:06,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 14:26:06,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 14:26:06,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:26:05" (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 14:26:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 14:26:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 14:26:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 14:26:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 14:26:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 14:26:06,158 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 14:26:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 14:26:06,159 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 14:26:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 14:26:06,160 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 14:26:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 14:26:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 14:26:06,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 14:26:06,163 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 14:26:06,906 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 14:26:06,906 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-27 14:26:06,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 02:26:06 BoogieIcfgContainer [2019-12-27 14:26:06,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 14:26:06,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 14:26:06,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 14:26:06,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 14:26:06,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 02:26:05" (1/3) ... [2019-12-27 14:26:06,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d75b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 02:26:06, skipping insertion in model container [2019-12-27 14:26:06,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:26:05" (2/3) ... [2019-12-27 14:26:06,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d75b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 02:26:06, skipping insertion in model container [2019-12-27 14:26:06,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 02:26:06" (3/3) ... [2019-12-27 14:26:06,917 INFO L109 eAbstractionObserver]: Analyzing ICFG safe030_power.opt.i [2019-12-27 14:26:06,926 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 14:26:06,927 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 14:26:06,939 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-27 14:26:06,940 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 14:26:06,991 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:06,992 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:06,992 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:06,992 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:06,992 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:06,994 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:06,996 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:06,996 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:06,996 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:06,996 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:06,997 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:06,997 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:06,997 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:06,997 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:06,998 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:06,999 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:06,999 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,000 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,000 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,000 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,000 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,000 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,001 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,001 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,001 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,001 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,002 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,002 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,002 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,003 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,003 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,003 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,003 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,004 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,004 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,004 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,006 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,006 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,007 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,008 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,008 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,008 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,008 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,009 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,009 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,011 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,011 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,011 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,012 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,013 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,013 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,014 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,014 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,014 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,014 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,015 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,015 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,015 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,015 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,015 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,016 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,016 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,016 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,016 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,017 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,017 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,018 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,018 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,018 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,018 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,022 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,022 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,023 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,023 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,023 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,024 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,024 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,024 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,024 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,024 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,025 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,026 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,029 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,030 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,030 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,030 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,032 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,032 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,033 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,033 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,033 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,033 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,034 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,034 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,034 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,034 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:26:07,049 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 14:26:07,068 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 14:26:07,068 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 14:26:07,069 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 14:26:07,069 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 14:26:07,069 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 14:26:07,069 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 14:26:07,069 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 14:26:07,069 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 14:26:07,082 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 161 places, 192 transitions [2019-12-27 14:26:21,215 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 92464 states. [2019-12-27 14:26:21,217 INFO L276 IsEmpty]: Start isEmpty. Operand 92464 states. [2019-12-27 14:26:21,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-27 14:26:21,232 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:26:21,234 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:26:21,234 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:26:21,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:26:21,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1398957812, now seen corresponding path program 1 times [2019-12-27 14:26:21,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:26:21,255 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591647030] [2019-12-27 14:26:21,255 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:26:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:26:21,626 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 14:26:21,627 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591647030] [2019-12-27 14:26:21,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:26:21,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 14:26:21,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154023408] [2019-12-27 14:26:21,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 14:26:21,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:26:21,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 14:26:21,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 14:26:21,650 INFO L87 Difference]: Start difference. First operand 92464 states. Second operand 4 states. [2019-12-27 14:26:25,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:26:25,370 INFO L93 Difference]: Finished difference Result 96400 states and 448736 transitions. [2019-12-27 14:26:25,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 14:26:25,372 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2019-12-27 14:26:25,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:26:26,026 INFO L225 Difference]: With dead ends: 96400 [2019-12-27 14:26:26,026 INFO L226 Difference]: Without dead ends: 85520 [2019-12-27 14:26:26,030 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 14:26:26,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85520 states. [2019-12-27 14:26:31,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85520 to 85520. [2019-12-27 14:26:31,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85520 states. [2019-12-27 14:26:32,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85520 states to 85520 states and 400696 transitions. [2019-12-27 14:26:32,515 INFO L78 Accepts]: Start accepts. Automaton has 85520 states and 400696 transitions. Word has length 43 [2019-12-27 14:26:32,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:26:32,517 INFO L462 AbstractCegarLoop]: Abstraction has 85520 states and 400696 transitions. [2019-12-27 14:26:32,517 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 14:26:32,517 INFO L276 IsEmpty]: Start isEmpty. Operand 85520 states and 400696 transitions. [2019-12-27 14:26:32,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-27 14:26:32,529 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:26:32,529 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:26:32,529 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:26:32,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:26:32,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1155940074, now seen corresponding path program 1 times [2019-12-27 14:26:32,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:26:32,530 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62253449] [2019-12-27 14:26:32,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:26:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:26:32,640 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 14:26:32,640 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62253449] [2019-12-27 14:26:32,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:26:32,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 14:26:32,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110430720] [2019-12-27 14:26:32,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 14:26:32,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:26:32,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 14:26:32,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-27 14:26:32,645 INFO L87 Difference]: Start difference. First operand 85520 states and 400696 transitions. Second operand 5 states. [2019-12-27 14:26:37,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:26:37,644 INFO L93 Difference]: Finished difference Result 139648 states and 623532 transitions. [2019-12-27 14:26:37,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 14:26:37,644 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2019-12-27 14:26:37,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:26:38,560 INFO L225 Difference]: With dead ends: 139648 [2019-12-27 14:26:38,560 INFO L226 Difference]: Without dead ends: 138928 [2019-12-27 14:26:38,561 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-27 14:26:39,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138928 states. [2019-12-27 14:26:42,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138928 to 132784. [2019-12-27 14:26:42,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132784 states. [2019-12-27 14:26:48,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132784 states to 132784 states and 597160 transitions. [2019-12-27 14:26:48,722 INFO L78 Accepts]: Start accepts. Automaton has 132784 states and 597160 transitions. Word has length 50 [2019-12-27 14:26:48,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:26:48,722 INFO L462 AbstractCegarLoop]: Abstraction has 132784 states and 597160 transitions. [2019-12-27 14:26:48,722 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 14:26:48,722 INFO L276 IsEmpty]: Start isEmpty. Operand 132784 states and 597160 transitions. [2019-12-27 14:26:48,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-27 14:26:48,732 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:26:48,732 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:26:48,732 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:26:48,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:26:48,733 INFO L82 PathProgramCache]: Analyzing trace with hash 414231166, now seen corresponding path program 1 times [2019-12-27 14:26:48,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:26:48,733 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360843413] [2019-12-27 14:26:48,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:26:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:26:48,830 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 14:26:48,830 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360843413] [2019-12-27 14:26:48,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:26:48,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 14:26:48,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926150308] [2019-12-27 14:26:48,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 14:26:48,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:26:48,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 14:26:48,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-27 14:26:48,833 INFO L87 Difference]: Start difference. First operand 132784 states and 597160 transitions. Second operand 5 states. [2019-12-27 14:26:55,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:26:55,603 INFO L93 Difference]: Finished difference Result 161552 states and 717780 transitions. [2019-12-27 14:26:55,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 14:26:55,604 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-27 14:26:55,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:26:56,163 INFO L225 Difference]: With dead ends: 161552 [2019-12-27 14:26:56,163 INFO L226 Difference]: Without dead ends: 160752 [2019-12-27 14:26:56,163 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-27 14:26:57,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160752 states. [2019-12-27 14:26:59,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160752 to 139076. [2019-12-27 14:26:59,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139076 states. [2019-12-27 14:27:00,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139076 states to 139076 states and 623063 transitions. [2019-12-27 14:27:00,403 INFO L78 Accepts]: Start accepts. Automaton has 139076 states and 623063 transitions. Word has length 51 [2019-12-27 14:27:00,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:27:00,404 INFO L462 AbstractCegarLoop]: Abstraction has 139076 states and 623063 transitions. [2019-12-27 14:27:00,404 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 14:27:00,404 INFO L276 IsEmpty]: Start isEmpty. Operand 139076 states and 623063 transitions. [2019-12-27 14:27:00,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-27 14:27:00,447 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:27:00,447 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:27:00,448 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:27:00,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:27:00,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1643889572, now seen corresponding path program 1 times [2019-12-27 14:27:00,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:27:00,449 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249044778] [2019-12-27 14:27:00,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:27:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:27:00,618 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 14:27:00,618 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249044778] [2019-12-27 14:27:00,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:27:00,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 14:27:00,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78030360] [2019-12-27 14:27:00,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 14:27:00,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:27:00,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 14:27:00,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-27 14:27:00,621 INFO L87 Difference]: Start difference. First operand 139076 states and 623063 transitions. Second operand 6 states. [2019-12-27 14:27:03,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:27:03,484 INFO L93 Difference]: Finished difference Result 183580 states and 805089 transitions. [2019-12-27 14:27:03,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-27 14:27:03,484 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-12-27 14:27:03,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:27:10,623 INFO L225 Difference]: With dead ends: 183580 [2019-12-27 14:27:10,623 INFO L226 Difference]: Without dead ends: 182860 [2019-12-27 14:27:10,623 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2019-12-27 14:27:11,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182860 states. [2019-12-27 14:27:14,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182860 to 134928. [2019-12-27 14:27:14,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134928 states. [2019-12-27 14:27:14,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134928 states to 134928 states and 604572 transitions. [2019-12-27 14:27:14,668 INFO L78 Accepts]: Start accepts. Automaton has 134928 states and 604572 transitions. Word has length 58 [2019-12-27 14:27:14,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:27:14,668 INFO L462 AbstractCegarLoop]: Abstraction has 134928 states and 604572 transitions. [2019-12-27 14:27:14,669 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 14:27:14,669 INFO L276 IsEmpty]: Start isEmpty. Operand 134928 states and 604572 transitions. [2019-12-27 14:27:14,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-27 14:27:14,757 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:27:14,758 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:27:14,758 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:27:14,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:27:14,758 INFO L82 PathProgramCache]: Analyzing trace with hash 205469100, now seen corresponding path program 1 times [2019-12-27 14:27:14,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:27:14,760 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621752157] [2019-12-27 14:27:14,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:27:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:27:14,860 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 14:27:14,860 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621752157] [2019-12-27 14:27:14,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:27:14,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 14:27:14,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221087089] [2019-12-27 14:27:14,861 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 14:27:14,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:27:14,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 14:27:14,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-27 14:27:14,862 INFO L87 Difference]: Start difference. First operand 134928 states and 604572 transitions. Second operand 6 states. [2019-12-27 14:27:17,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:27:17,306 INFO L93 Difference]: Finished difference Result 185112 states and 812726 transitions. [2019-12-27 14:27:17,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-27 14:27:17,306 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2019-12-27 14:27:17,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:27:17,894 INFO L225 Difference]: With dead ends: 185112 [2019-12-27 14:27:17,894 INFO L226 Difference]: Without dead ends: 183912 [2019-12-27 14:27:17,895 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-12-27 14:27:25,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183912 states. [2019-12-27 14:27:28,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183912 to 160428. [2019-12-27 14:27:28,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160428 states. [2019-12-27 14:27:28,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160428 states to 160428 states and 711513 transitions. [2019-12-27 14:27:28,797 INFO L78 Accepts]: Start accepts. Automaton has 160428 states and 711513 transitions. Word has length 65 [2019-12-27 14:27:28,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:27:28,797 INFO L462 AbstractCegarLoop]: Abstraction has 160428 states and 711513 transitions. [2019-12-27 14:27:28,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 14:27:28,798 INFO L276 IsEmpty]: Start isEmpty. Operand 160428 states and 711513 transitions. [2019-12-27 14:27:28,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-27 14:27:28,898 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:27:28,898 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:27:28,898 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:27:28,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:27:28,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1065201497, now seen corresponding path program 1 times [2019-12-27 14:27:28,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:27:28,899 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130041976] [2019-12-27 14:27:28,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:27:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:27:28,950 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 14:27:28,951 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130041976] [2019-12-27 14:27:28,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:27:28,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 14:27:28,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570798195] [2019-12-27 14:27:28,954 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 14:27:28,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:27:28,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 14:27:28,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 14:27:28,955 INFO L87 Difference]: Start difference. First operand 160428 states and 711513 transitions. Second operand 3 states. [2019-12-27 14:27:31,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:27:31,174 INFO L93 Difference]: Finished difference Result 202236 states and 884073 transitions. [2019-12-27 14:27:31,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 14:27:31,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2019-12-27 14:27:31,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:27:39,379 INFO L225 Difference]: With dead ends: 202236 [2019-12-27 14:27:39,379 INFO L226 Difference]: Without dead ends: 202236 [2019-12-27 14:27:39,380 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 14:27:40,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202236 states. [2019-12-27 14:27:43,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202236 to 176148. [2019-12-27 14:27:43,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176148 states. [2019-12-27 14:27:45,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176148 states to 176148 states and 777055 transitions. [2019-12-27 14:27:45,092 INFO L78 Accepts]: Start accepts. Automaton has 176148 states and 777055 transitions. Word has length 67 [2019-12-27 14:27:45,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:27:45,092 INFO L462 AbstractCegarLoop]: Abstraction has 176148 states and 777055 transitions. [2019-12-27 14:27:45,092 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 14:27:45,093 INFO L276 IsEmpty]: Start isEmpty. Operand 176148 states and 777055 transitions. [2019-12-27 14:27:45,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-27 14:27:45,269 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:27:45,269 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:27:45,269 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:27:45,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:27:45,269 INFO L82 PathProgramCache]: Analyzing trace with hash -681447855, now seen corresponding path program 1 times [2019-12-27 14:27:45,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:27:45,270 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042487290] [2019-12-27 14:27:45,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:27:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:27:45,365 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 14:27:45,366 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042487290] [2019-12-27 14:27:45,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:27:45,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-27 14:27:45,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798956145] [2019-12-27 14:27:45,367 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 14:27:45,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:27:45,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 14:27:45,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-27 14:27:45,368 INFO L87 Difference]: Start difference. First operand 176148 states and 777055 transitions. Second operand 7 states. [2019-12-27 14:27:53,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:27:53,816 INFO L93 Difference]: Finished difference Result 224100 states and 971731 transitions. [2019-12-27 14:27:53,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-27 14:27:53,816 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2019-12-27 14:27:53,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:27:54,630 INFO L225 Difference]: With dead ends: 224100 [2019-12-27 14:27:54,630 INFO L226 Difference]: Without dead ends: 222900 [2019-12-27 14:27:54,631 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2019-12-27 14:27:56,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222900 states. [2019-12-27 14:27:59,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222900 to 180724. [2019-12-27 14:27:59,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180724 states. [2019-12-27 14:28:00,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180724 states to 180724 states and 796147 transitions. [2019-12-27 14:28:00,682 INFO L78 Accepts]: Start accepts. Automaton has 180724 states and 796147 transitions. Word has length 71 [2019-12-27 14:28:00,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:28:00,682 INFO L462 AbstractCegarLoop]: Abstraction has 180724 states and 796147 transitions. [2019-12-27 14:28:00,683 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 14:28:00,683 INFO L276 IsEmpty]: Start isEmpty. Operand 180724 states and 796147 transitions. [2019-12-27 14:28:00,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-27 14:28:00,831 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:28:00,831 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:28:00,831 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:28:00,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:28:00,831 INFO L82 PathProgramCache]: Analyzing trace with hash 311115850, now seen corresponding path program 1 times [2019-12-27 14:28:00,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:28:00,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698555033] [2019-12-27 14:28:00,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:28:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:28:00,969 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 14:28:00,970 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698555033] [2019-12-27 14:28:00,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:28:00,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-27 14:28:00,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736311738] [2019-12-27 14:28:00,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 14:28:00,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:28:00,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 14:28:00,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-27 14:28:00,972 INFO L87 Difference]: Start difference. First operand 180724 states and 796147 transitions. Second operand 7 states. [2019-12-27 14:28:11,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:28:11,689 INFO L93 Difference]: Finished difference Result 220860 states and 957729 transitions. [2019-12-27 14:28:11,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-27 14:28:11,690 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2019-12-27 14:28:11,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:28:12,445 INFO L225 Difference]: With dead ends: 220860 [2019-12-27 14:28:12,445 INFO L226 Difference]: Without dead ends: 219860 [2019-12-27 14:28:12,445 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2019-12-27 14:28:13,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219860 states. [2019-12-27 14:28:17,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219860 to 184236. [2019-12-27 14:28:17,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184236 states. [2019-12-27 14:28:18,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184236 states to 184236 states and 810265 transitions. [2019-12-27 14:28:18,449 INFO L78 Accepts]: Start accepts. Automaton has 184236 states and 810265 transitions. Word has length 72 [2019-12-27 14:28:18,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:28:18,449 INFO L462 AbstractCegarLoop]: Abstraction has 184236 states and 810265 transitions. [2019-12-27 14:28:18,449 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 14:28:18,449 INFO L276 IsEmpty]: Start isEmpty. Operand 184236 states and 810265 transitions. [2019-12-27 14:28:18,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-27 14:28:18,624 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:28:18,624 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:28:18,624 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:28:18,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:28:18,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1636045537, now seen corresponding path program 1 times [2019-12-27 14:28:18,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:28:18,625 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530887526] [2019-12-27 14:28:18,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:28:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:28:18,765 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 14:28:18,766 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530887526] [2019-12-27 14:28:18,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:28:18,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 14:28:18,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767914140] [2019-12-27 14:28:18,767 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 14:28:18,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:28:18,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 14:28:18,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-27 14:28:18,768 INFO L87 Difference]: Start difference. First operand 184236 states and 810265 transitions. Second operand 6 states. [2019-12-27 14:28:26,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:28:26,488 INFO L93 Difference]: Finished difference Result 262764 states and 1148125 transitions. [2019-12-27 14:28:26,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 14:28:26,488 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 74 [2019-12-27 14:28:26,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:28:27,316 INFO L225 Difference]: With dead ends: 262764 [2019-12-27 14:28:27,317 INFO L226 Difference]: Without dead ends: 260188 [2019-12-27 14:28:27,317 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-27 14:28:34,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260188 states. [2019-12-27 14:28:38,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260188 to 224436. [2019-12-27 14:28:38,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224436 states. [2019-12-27 14:28:40,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224436 states to 224436 states and 986535 transitions. [2019-12-27 14:28:40,259 INFO L78 Accepts]: Start accepts. Automaton has 224436 states and 986535 transitions. Word has length 74 [2019-12-27 14:28:40,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:28:40,259 INFO L462 AbstractCegarLoop]: Abstraction has 224436 states and 986535 transitions. [2019-12-27 14:28:40,259 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 14:28:40,259 INFO L276 IsEmpty]: Start isEmpty. Operand 224436 states and 986535 transitions. [2019-12-27 14:28:40,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-27 14:28:40,526 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:28:40,526 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:28:40,526 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:28:40,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:28:40,526 INFO L82 PathProgramCache]: Analyzing trace with hash -674431520, now seen corresponding path program 1 times [2019-12-27 14:28:40,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:28:40,527 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508527639] [2019-12-27 14:28:40,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:28:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:28:40,603 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 14:28:40,604 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508527639] [2019-12-27 14:28:40,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:28:40,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 14:28:40,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608514112] [2019-12-27 14:28:40,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 14:28:40,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:28:40,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 14:28:40,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 14:28:40,606 INFO L87 Difference]: Start difference. First operand 224436 states and 986535 transitions. Second operand 4 states. [2019-12-27 14:28:48,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:28:48,359 INFO L93 Difference]: Finished difference Result 186990 states and 802072 transitions. [2019-12-27 14:28:48,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 14:28:48,359 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 74 [2019-12-27 14:28:48,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:28:48,954 INFO L225 Difference]: With dead ends: 186990 [2019-12-27 14:28:48,954 INFO L226 Difference]: Without dead ends: 185078 [2019-12-27 14:28:48,955 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 14:28:49,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185078 states. [2019-12-27 14:28:54,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185078 to 185078. [2019-12-27 14:28:54,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185078 states. [2019-12-27 14:28:54,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185078 states to 185078 states and 795693 transitions. [2019-12-27 14:28:54,693 INFO L78 Accepts]: Start accepts. Automaton has 185078 states and 795693 transitions. Word has length 74 [2019-12-27 14:28:54,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:28:54,693 INFO L462 AbstractCegarLoop]: Abstraction has 185078 states and 795693 transitions. [2019-12-27 14:28:54,693 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 14:28:54,693 INFO L276 IsEmpty]: Start isEmpty. Operand 185078 states and 795693 transitions. [2019-12-27 14:28:54,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-27 14:28:54,857 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:28:54,857 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:28:54,857 INFO L410 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:28:54,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:28:54,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1035081414, now seen corresponding path program 1 times [2019-12-27 14:28:54,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:28:54,858 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315720597] [2019-12-27 14:28:54,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:28:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:28:54,932 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 14:28:54,933 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315720597] [2019-12-27 14:28:54,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:28:54,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 14:28:54,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385095790] [2019-12-27 14:28:54,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 14:28:54,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:28:54,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 14:28:54,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 14:28:54,935 INFO L87 Difference]: Start difference. First operand 185078 states and 795693 transitions. Second operand 5 states. [2019-12-27 14:28:55,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:28:55,221 INFO L93 Difference]: Finished difference Result 53774 states and 205531 transitions. [2019-12-27 14:28:55,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 14:28:55,222 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2019-12-27 14:28:55,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:29:00,755 INFO L225 Difference]: With dead ends: 53774 [2019-12-27 14:29:00,755 INFO L226 Difference]: Without dead ends: 52175 [2019-12-27 14:29:00,756 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-27 14:29:00,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52175 states. [2019-12-27 14:29:01,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52175 to 52127. [2019-12-27 14:29:01,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52127 states. [2019-12-27 14:29:01,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52127 states to 52127 states and 199358 transitions. [2019-12-27 14:29:01,598 INFO L78 Accepts]: Start accepts. Automaton has 52127 states and 199358 transitions. Word has length 75 [2019-12-27 14:29:01,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:29:01,598 INFO L462 AbstractCegarLoop]: Abstraction has 52127 states and 199358 transitions. [2019-12-27 14:29:01,598 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 14:29:01,598 INFO L276 IsEmpty]: Start isEmpty. Operand 52127 states and 199358 transitions. [2019-12-27 14:29:01,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-12-27 14:29:01,647 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:29:01,647 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:29:01,647 INFO L410 AbstractCegarLoop]: === Iteration 12 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:29:01,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:29:01,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1384030429, now seen corresponding path program 1 times [2019-12-27 14:29:01,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:29:01,648 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995187151] [2019-12-27 14:29:01,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:29:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:29:01,717 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 14:29:01,718 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995187151] [2019-12-27 14:29:01,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:29:01,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 14:29:01,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919009339] [2019-12-27 14:29:01,719 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 14:29:01,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:29:01,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 14:29:01,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 14:29:01,720 INFO L87 Difference]: Start difference. First operand 52127 states and 199358 transitions. Second operand 4 states. [2019-12-27 14:29:02,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:29:02,617 INFO L93 Difference]: Finished difference Result 68702 states and 259969 transitions. [2019-12-27 14:29:02,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 14:29:02,618 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 85 [2019-12-27 14:29:02,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:29:02,770 INFO L225 Difference]: With dead ends: 68702 [2019-12-27 14:29:02,770 INFO L226 Difference]: Without dead ends: 68702 [2019-12-27 14:29:02,770 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 2 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 14:29:02,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68702 states. [2019-12-27 14:29:03,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68702 to 55085. [2019-12-27 14:29:03,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55085 states. [2019-12-27 14:29:03,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55085 states to 55085 states and 209881 transitions. [2019-12-27 14:29:03,856 INFO L78 Accepts]: Start accepts. Automaton has 55085 states and 209881 transitions. Word has length 85 [2019-12-27 14:29:03,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:29:03,857 INFO L462 AbstractCegarLoop]: Abstraction has 55085 states and 209881 transitions. [2019-12-27 14:29:03,857 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 14:29:03,857 INFO L276 IsEmpty]: Start isEmpty. Operand 55085 states and 209881 transitions. [2019-12-27 14:29:04,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-12-27 14:29:04,503 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:29:04,503 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:29:04,503 INFO L410 AbstractCegarLoop]: === Iteration 13 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:29:04,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:29:04,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1638766974, now seen corresponding path program 1 times [2019-12-27 14:29:04,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:29:04,504 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804730320] [2019-12-27 14:29:04,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:29:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:29:04,608 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 14:29:04,609 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804730320] [2019-12-27 14:29:04,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:29:04,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-27 14:29:04,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247360970] [2019-12-27 14:29:04,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-27 14:29:04,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:29:04,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-27 14:29:04,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-12-27 14:29:04,611 INFO L87 Difference]: Start difference. First operand 55085 states and 209881 transitions. Second operand 8 states. [2019-12-27 14:29:06,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:29:06,021 INFO L93 Difference]: Finished difference Result 61619 states and 233164 transitions. [2019-12-27 14:29:06,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-12-27 14:29:06,027 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 85 [2019-12-27 14:29:06,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:29:06,169 INFO L225 Difference]: With dead ends: 61619 [2019-12-27 14:29:06,169 INFO L226 Difference]: Without dead ends: 61439 [2019-12-27 14:29:06,170 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=591, Unknown=0, NotChecked=0, Total=756 [2019-12-27 14:29:06,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61439 states. Received shutdown request... [2019-12-27 14:29:06,565 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 14:29:06,569 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 14:29:06,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 02:29:06 BasicIcfg [2019-12-27 14:29:06,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 14:29:06,572 INFO L168 Benchmark]: Toolchain (without parser) took 181391.60 ms. Allocated memory was 142.1 MB in the beginning and 3.8 GB in the end (delta: 3.6 GB). Free memory was 98.0 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2019-12-27 14:29:06,573 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 142.1 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-27 14:29:06,574 INFO L168 Benchmark]: CACSL2BoogieTranslator took 782.34 ms. Allocated memory was 142.1 MB in the beginning and 199.2 MB in the end (delta: 57.1 MB). Free memory was 97.8 MB in the beginning and 151.2 MB in the end (delta: -53.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-12-27 14:29:06,574 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.69 ms. Allocated memory is still 199.2 MB. Free memory was 151.2 MB in the beginning and 147.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-12-27 14:29:06,575 INFO L168 Benchmark]: Boogie Preprocessor took 56.07 ms. Allocated memory is still 199.2 MB. Free memory was 147.6 MB in the beginning and 145.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-27 14:29:06,576 INFO L168 Benchmark]: RCFGBuilder took 816.65 ms. Allocated memory is still 199.2 MB. Free memory was 145.5 MB in the beginning and 98.7 MB in the end (delta: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 7.1 GB. [2019-12-27 14:29:06,577 INFO L168 Benchmark]: TraceAbstraction took 179660.65 ms. Allocated memory was 199.2 MB in the beginning and 3.8 GB in the end (delta: 3.6 GB). Free memory was 98.7 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2019-12-27 14:29:06,580 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 142.1 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 782.34 ms. Allocated memory was 142.1 MB in the beginning and 199.2 MB in the end (delta: 57.1 MB). Free memory was 97.8 MB in the beginning and 151.2 MB in the end (delta: -53.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 70.69 ms. Allocated memory is still 199.2 MB. Free memory was 151.2 MB in the beginning and 147.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.07 ms. Allocated memory is still 199.2 MB. Free memory was 147.6 MB in the beginning and 145.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 816.65 ms. Allocated memory is still 199.2 MB. Free memory was 145.5 MB in the beginning and 98.7 MB in the end (delta: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 179660.65 ms. Allocated memory was 199.2 MB in the beginning and 3.8 GB in the end (delta: 3.6 GB). Free memory was 98.7 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 152 locations, 2 error locations. Result: TIMEOUT, OverallTime: 179.4s, OverallIterations: 13, TraceHistogramMax: 1, AutomataDifference: 87.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4387 SDtfs, 5313 SDslu, 10684 SDs, 0 SdLazy, 3897 SolverSat, 282 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224436occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 74.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 252541 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 870 NumberOfCodeBlocks, 870 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 857 ConstructedInterpolants, 0 QuantifiedInterpolants, 124242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 could not prove your program: Timeout Completed graceful shutdown