/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-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix056_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 03:24:19,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 03:24:19,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 03:24:19,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 03:24:19,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 03:24:19,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 03:24:19,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 03:24:19,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 03:24:19,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 03:24:19,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 03:24:19,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 03:24:19,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 03:24:19,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 03:24:19,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 03:24:19,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 03:24:19,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 03:24:19,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 03:24:19,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 03:24:19,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 03:24:19,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 03:24:19,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 03:24:19,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 03:24:19,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 03:24:19,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 03:24:19,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-28 03:24:19,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-28 03:24:19,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-28 03:24:19,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-28 03:24:19,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-28 03:24:19,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-28 03:24:19,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 03:24:19,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 03:24:19,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 03:24:19,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 03:24:19,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 03:24:19,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 03:24:19,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 03:24:19,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 03:24:19,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 03:24:19,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 03:24:19,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 03:24:19,931 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-MCR.epf [2019-12-28 03:24:19,958 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 03:24:19,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 03:24:19,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 03:24:19,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 03:24:19,959 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 03:24:19,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 03:24:19,960 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 03:24:19,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 03:24:19,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 03:24:19,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 03:24:19,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 03:24:19,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 03:24:19,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 03:24:19,961 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 03:24:19,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 03:24:19,962 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 03:24:19,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 03:24:19,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 03:24:19,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 03:24:19,962 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 03:24:19,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 03:24:19,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 03:24:19,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 03:24:19,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 03:24:19,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 03:24:19,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 03:24:19,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 03:24:19,964 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 03:24:19,964 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 03:24:19,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 03:24:19,964 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 03:24:19,965 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 03:24:20,243 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 03:24:20,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 03:24:20,264 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 03:24:20,266 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 03:24:20,266 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 03:24:20,267 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix056_power.opt.i [2019-12-28 03:24:20,327 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15cc6701d/761ea25b57904e169d89e8b9fe30e17b/FLAG3891602ad [2019-12-28 03:24:20,851 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 03:24:20,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_power.opt.i [2019-12-28 03:24:20,868 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15cc6701d/761ea25b57904e169d89e8b9fe30e17b/FLAG3891602ad [2019-12-28 03:24:21,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15cc6701d/761ea25b57904e169d89e8b9fe30e17b [2019-12-28 03:24:21,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 03:24:21,177 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 03:24:21,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 03:24:21,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 03:24:21,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 03:24:21,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:24:21" (1/1) ... [2019-12-28 03:24:21,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@691f4c0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:21, skipping insertion in model container [2019-12-28 03:24:21,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:24:21" (1/1) ... [2019-12-28 03:24:21,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 03:24:21,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 03:24:21,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 03:24:21,882 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 03:24:21,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 03:24:22,039 INFO L208 MainTranslator]: Completed translation [2019-12-28 03:24:22,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:22 WrapperNode [2019-12-28 03:24:22,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 03:24:22,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 03:24:22,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 03:24:22,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 03:24:22,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:22" (1/1) ... [2019-12-28 03:24:22,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:22" (1/1) ... [2019-12-28 03:24:22,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 03:24:22,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 03:24:22,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 03:24:22,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 03:24:22,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:22" (1/1) ... [2019-12-28 03:24:22,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:22" (1/1) ... [2019-12-28 03:24:22,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:22" (1/1) ... [2019-12-28 03:24:22,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:22" (1/1) ... [2019-12-28 03:24:22,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:22" (1/1) ... [2019-12-28 03:24:22,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:22" (1/1) ... [2019-12-28 03:24:22,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:22" (1/1) ... [2019-12-28 03:24:22,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 03:24:22,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 03:24:22,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 03:24:22,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 03:24:22,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:22" (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 [2019-12-28 03:24:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 03:24:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 03:24:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 03:24:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 03:24:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 03:24:22,212 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 03:24:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 03:24:22,213 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 03:24:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 03:24:22,213 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 03:24:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 03:24:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 03:24:22,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 03:24:22,216 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-28 03:24:22,979 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 03:24:22,980 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-28 03:24:22,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:24:22 BoogieIcfgContainer [2019-12-28 03:24:22,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 03:24:22,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 03:24:22,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 03:24:22,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 03:24:22,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 03:24:21" (1/3) ... [2019-12-28 03:24:22,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6e7c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:24:22, skipping insertion in model container [2019-12-28 03:24:22,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:22" (2/3) ... [2019-12-28 03:24:22,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6e7c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:24:22, skipping insertion in model container [2019-12-28 03:24:22,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:24:22" (3/3) ... [2019-12-28 03:24:22,990 INFO L109 eAbstractionObserver]: Analyzing ICFG mix056_power.opt.i [2019-12-28 03:24:23,001 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 03:24:23,001 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 03:24:23,009 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-28 03:24:23,010 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 03:24:23,045 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,045 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,046 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,046 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,046 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,047 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,047 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,048 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,048 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,048 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,048 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,049 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,049 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,049 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,049 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,049 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,050 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,050 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,050 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,051 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,051 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,051 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,051 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,052 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,052 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,052 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,052 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,053 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,053 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,053 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,053 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,054 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,054 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,054 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,055 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,055 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,056 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,056 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,056 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,056 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,057 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,057 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,057 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,058 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,058 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,058 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,059 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,059 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,059 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,059 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,060 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,060 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,060 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,060 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,061 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,061 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,061 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,061 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,062 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,062 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,062 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,062 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,063 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,063 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,063 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,063 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,064 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,064 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,064 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,064 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,068 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,069 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,069 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,069 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,069 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,070 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,070 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,070 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,070 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,071 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,071 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,071 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,074 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,075 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,076 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,076 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,083 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,084 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,084 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,084 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,085 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,085 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,085 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,101 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,101 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,101 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:24:23,122 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-28 03:24:23,143 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 03:24:23,143 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 03:24:23,144 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 03:24:23,146 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 03:24:23,147 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 03:24:23,147 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 03:24:23,147 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 03:24:23,147 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 03:24:23,171 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 162 places, 193 transitions [2019-12-28 03:24:37,293 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 92465 states. [2019-12-28 03:24:37,295 INFO L276 IsEmpty]: Start isEmpty. Operand 92465 states. [2019-12-28 03:24:37,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-28 03:24:37,308 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:24:37,310 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] [2019-12-28 03:24:37,311 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:24:37,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:24:37,317 INFO L82 PathProgramCache]: Analyzing trace with hash -40692432, now seen corresponding path program 1 times [2019-12-28 03:24:37,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:24:37,328 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753590464] [2019-12-28 03:24:37,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:24:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:24:37,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:24:37,652 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753590464] [2019-12-28 03:24:37,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:24:37,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 03:24:37,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1808691469] [2019-12-28 03:24:37,655 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:24:37,663 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:24:37,686 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 45 states and 44 transitions. [2019-12-28 03:24:37,686 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:24:37,691 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:24:37,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 03:24:37,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:24:37,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 03:24:37,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 03:24:37,709 INFO L87 Difference]: Start difference. First operand 92465 states. Second operand 4 states. [2019-12-28 03:24:41,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:24:41,426 INFO L93 Difference]: Finished difference Result 96401 states and 448737 transitions. [2019-12-28 03:24:41,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-28 03:24:41,428 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2019-12-28 03:24:41,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:24:42,119 INFO L225 Difference]: With dead ends: 96401 [2019-12-28 03:24:42,119 INFO L226 Difference]: Without dead ends: 85521 [2019-12-28 03:24:42,121 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 [2019-12-28 03:24:42,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85521 states. [2019-12-28 03:24:45,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85521 to 85521. [2019-12-28 03:24:45,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85521 states. [2019-12-28 03:24:45,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85521 states to 85521 states and 400697 transitions. [2019-12-28 03:24:45,920 INFO L78 Accepts]: Start accepts. Automaton has 85521 states and 400697 transitions. Word has length 44 [2019-12-28 03:24:45,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:24:45,922 INFO L462 AbstractCegarLoop]: Abstraction has 85521 states and 400697 transitions. [2019-12-28 03:24:45,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 03:24:45,922 INFO L276 IsEmpty]: Start isEmpty. Operand 85521 states and 400697 transitions. [2019-12-28 03:24:45,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-28 03:24:45,938 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:24:45,938 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] [2019-12-28 03:24:45,939 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:24:45,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:24:45,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1486807028, now seen corresponding path program 1 times [2019-12-28 03:24:45,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:24:45,940 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292126494] [2019-12-28 03:24:45,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:24:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:24:46,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:24:46,086 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292126494] [2019-12-28 03:24:46,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:24:46,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 03:24:46,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1532719482] [2019-12-28 03:24:46,087 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:24:46,093 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:24:46,103 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 80 states and 107 transitions. [2019-12-28 03:24:46,104 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:24:46,105 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:24:46,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 03:24:46,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:24:46,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 03:24:46,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-28 03:24:46,108 INFO L87 Difference]: Start difference. First operand 85521 states and 400697 transitions. Second operand 5 states. [2019-12-28 03:24:51,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:24:51,037 INFO L93 Difference]: Finished difference Result 139649 states and 623533 transitions. [2019-12-28 03:24:51,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 03:24:51,038 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-28 03:24:51,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:24:51,697 INFO L225 Difference]: With dead ends: 139649 [2019-12-28 03:24:51,697 INFO L226 Difference]: Without dead ends: 138929 [2019-12-28 03:24:51,698 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 [2019-12-28 03:24:52,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138929 states. [2019-12-28 03:24:59,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138929 to 132785. [2019-12-28 03:24:59,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132785 states. [2019-12-28 03:25:04,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132785 states to 132785 states and 597161 transitions. [2019-12-28 03:25:04,846 INFO L78 Accepts]: Start accepts. Automaton has 132785 states and 597161 transitions. Word has length 51 [2019-12-28 03:25:04,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:25:04,847 INFO L462 AbstractCegarLoop]: Abstraction has 132785 states and 597161 transitions. [2019-12-28 03:25:04,847 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 03:25:04,847 INFO L276 IsEmpty]: Start isEmpty. Operand 132785 states and 597161 transitions. [2019-12-28 03:25:04,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-28 03:25:04,856 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:25:04,856 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] [2019-12-28 03:25:04,856 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:25:04,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:25:04,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1932443739, now seen corresponding path program 1 times [2019-12-28 03:25:04,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:25:04,858 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893872923] [2019-12-28 03:25:04,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:25:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:25:04,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:25:04,945 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893872923] [2019-12-28 03:25:04,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:25:04,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 03:25:04,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1554627016] [2019-12-28 03:25:04,945 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:25:04,951 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:25:04,957 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 53 states and 52 transitions. [2019-12-28 03:25:04,957 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:25:04,958 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:25:04,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 03:25:04,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:25:04,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 03:25:04,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-28 03:25:04,959 INFO L87 Difference]: Start difference. First operand 132785 states and 597161 transitions. Second operand 5 states. [2019-12-28 03:25:07,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:25:07,478 INFO L93 Difference]: Finished difference Result 161553 states and 717781 transitions. [2019-12-28 03:25:07,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 03:25:07,479 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-12-28 03:25:07,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:25:08,057 INFO L225 Difference]: With dead ends: 161553 [2019-12-28 03:25:08,057 INFO L226 Difference]: Without dead ends: 160753 [2019-12-28 03:25:08,058 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 [2019-12-28 03:25:08,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160753 states. [2019-12-28 03:25:12,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160753 to 139077. [2019-12-28 03:25:12,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139077 states. [2019-12-28 03:25:13,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139077 states to 139077 states and 623064 transitions. [2019-12-28 03:25:13,233 INFO L78 Accepts]: Start accepts. Automaton has 139077 states and 623064 transitions. Word has length 52 [2019-12-28 03:25:13,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:25:13,234 INFO L462 AbstractCegarLoop]: Abstraction has 139077 states and 623064 transitions. [2019-12-28 03:25:13,235 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 03:25:13,235 INFO L276 IsEmpty]: Start isEmpty. Operand 139077 states and 623064 transitions. [2019-12-28 03:25:13,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-28 03:25:13,280 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:25:13,280 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] [2019-12-28 03:25:13,281 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:25:13,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:25:13,281 INFO L82 PathProgramCache]: Analyzing trace with hash 389383967, now seen corresponding path program 1 times [2019-12-28 03:25:13,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:25:13,282 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335026992] [2019-12-28 03:25:13,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:25:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:25:13,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:25:13,386 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335026992] [2019-12-28 03:25:13,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:25:13,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 03:25:13,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1160639336] [2019-12-28 03:25:13,389 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:25:13,397 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:25:13,412 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 102 states and 143 transitions. [2019-12-28 03:25:13,412 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:25:13,415 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:25:13,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 03:25:13,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:25:13,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 03:25:13,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-28 03:25:13,416 INFO L87 Difference]: Start difference. First operand 139077 states and 623064 transitions. Second operand 6 states. [2019-12-28 03:25:16,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:25:16,373 INFO L93 Difference]: Finished difference Result 183581 states and 805090 transitions. [2019-12-28 03:25:16,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-28 03:25:16,373 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-12-28 03:25:16,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:25:23,448 INFO L225 Difference]: With dead ends: 183581 [2019-12-28 03:25:23,449 INFO L226 Difference]: Without dead ends: 182861 [2019-12-28 03:25:23,449 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2019-12-28 03:25:24,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182861 states. [2019-12-28 03:25:27,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182861 to 134929. [2019-12-28 03:25:27,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134929 states. [2019-12-28 03:25:27,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134929 states to 134929 states and 604573 transitions. [2019-12-28 03:25:27,782 INFO L78 Accepts]: Start accepts. Automaton has 134929 states and 604573 transitions. Word has length 59 [2019-12-28 03:25:27,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:25:27,783 INFO L462 AbstractCegarLoop]: Abstraction has 134929 states and 604573 transitions. [2019-12-28 03:25:27,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 03:25:27,783 INFO L276 IsEmpty]: Start isEmpty. Operand 134929 states and 604573 transitions. [2019-12-28 03:25:27,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-28 03:25:27,862 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:25:27,863 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] [2019-12-28 03:25:27,863 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:25:27,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:25:27,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1647505986, now seen corresponding path program 1 times [2019-12-28 03:25:27,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:25:27,864 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635284825] [2019-12-28 03:25:27,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:25:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:25:27,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:25:27,986 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635284825] [2019-12-28 03:25:27,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:25:27,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 03:25:27,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1314998170] [2019-12-28 03:25:27,987 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:25:27,997 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:25:28,013 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 67 states and 66 transitions. [2019-12-28 03:25:28,013 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:25:28,014 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:25:28,014 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 03:25:28,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:25:28,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 03:25:28,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-28 03:25:28,015 INFO L87 Difference]: Start difference. First operand 134929 states and 604573 transitions. Second operand 6 states. [2019-12-28 03:25:30,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:25:30,472 INFO L93 Difference]: Finished difference Result 185113 states and 812727 transitions. [2019-12-28 03:25:30,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-28 03:25:30,472 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2019-12-28 03:25:30,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:25:37,421 INFO L225 Difference]: With dead ends: 185113 [2019-12-28 03:25:37,421 INFO L226 Difference]: Without dead ends: 183913 [2019-12-28 03:25:37,422 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 [2019-12-28 03:25:38,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183913 states. [2019-12-28 03:25:41,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183913 to 160429. [2019-12-28 03:25:41,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160429 states. [2019-12-28 03:25:41,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160429 states to 160429 states and 711514 transitions. [2019-12-28 03:25:41,642 INFO L78 Accepts]: Start accepts. Automaton has 160429 states and 711514 transitions. Word has length 66 [2019-12-28 03:25:41,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:25:41,642 INFO L462 AbstractCegarLoop]: Abstraction has 160429 states and 711514 transitions. [2019-12-28 03:25:41,642 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 03:25:41,642 INFO L276 IsEmpty]: Start isEmpty. Operand 160429 states and 711514 transitions. [2019-12-28 03:25:41,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-28 03:25:41,740 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:25:41,740 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] [2019-12-28 03:25:41,740 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:25:41,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:25:41,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1697234032, now seen corresponding path program 1 times [2019-12-28 03:25:41,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:25:41,741 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304276695] [2019-12-28 03:25:41,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:25:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:25:41,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:25:41,792 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304276695] [2019-12-28 03:25:41,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:25:41,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-28 03:25:41,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2022132235] [2019-12-28 03:25:41,793 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:25:41,805 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:25:41,820 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 69 states and 68 transitions. [2019-12-28 03:25:41,820 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:25:41,821 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:25:41,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-28 03:25:41,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:25:41,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-28 03:25:41,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-28 03:25:41,822 INFO L87 Difference]: Start difference. First operand 160429 states and 711514 transitions. Second operand 3 states. [2019-12-28 03:25:44,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:25:44,076 INFO L93 Difference]: Finished difference Result 202237 states and 884074 transitions. [2019-12-28 03:25:44,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-28 03:25:44,076 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-12-28 03:25:44,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:25:51,771 INFO L225 Difference]: With dead ends: 202237 [2019-12-28 03:25:51,772 INFO L226 Difference]: Without dead ends: 202237 [2019-12-28 03:25:51,772 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 [2019-12-28 03:25:52,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202237 states. [2019-12-28 03:25:55,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202237 to 176149. [2019-12-28 03:25:55,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176149 states. [2019-12-28 03:25:57,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176149 states to 176149 states and 777056 transitions. [2019-12-28 03:25:57,368 INFO L78 Accepts]: Start accepts. Automaton has 176149 states and 777056 transitions. Word has length 68 [2019-12-28 03:25:57,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:25:57,368 INFO L462 AbstractCegarLoop]: Abstraction has 176149 states and 777056 transitions. [2019-12-28 03:25:57,368 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-28 03:25:57,368 INFO L276 IsEmpty]: Start isEmpty. Operand 176149 states and 777056 transitions. [2019-12-28 03:25:57,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-28 03:25:57,535 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:25:57,535 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] [2019-12-28 03:25:57,535 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:25:57,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:25:57,536 INFO L82 PathProgramCache]: Analyzing trace with hash 865455602, now seen corresponding path program 1 times [2019-12-28 03:25:57,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:25:57,537 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138497498] [2019-12-28 03:25:57,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:25:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:25:57,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:25:57,640 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138497498] [2019-12-28 03:25:57,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:25:57,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 03:25:57,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1749954205] [2019-12-28 03:25:57,641 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:25:57,653 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:25:57,670 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 73 states and 72 transitions. [2019-12-28 03:25:57,670 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:25:57,671 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:25:57,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 03:25:57,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:25:57,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 03:25:57,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 03:25:57,672 INFO L87 Difference]: Start difference. First operand 176149 states and 777056 transitions. Second operand 7 states. [2019-12-28 03:26:05,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:26:05,957 INFO L93 Difference]: Finished difference Result 224101 states and 971732 transitions. [2019-12-28 03:26:05,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-28 03:26:05,957 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2019-12-28 03:26:05,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:26:06,852 INFO L225 Difference]: With dead ends: 224101 [2019-12-28 03:26:06,852 INFO L226 Difference]: Without dead ends: 222901 [2019-12-28 03:26:06,853 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 [2019-12-28 03:26:08,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222901 states. [2019-12-28 03:26:12,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222901 to 180725. [2019-12-28 03:26:12,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180725 states. [2019-12-28 03:26:14,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180725 states to 180725 states and 796148 transitions. [2019-12-28 03:26:14,706 INFO L78 Accepts]: Start accepts. Automaton has 180725 states and 796148 transitions. Word has length 72 [2019-12-28 03:26:14,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:26:14,706 INFO L462 AbstractCegarLoop]: Abstraction has 180725 states and 796148 transitions. [2019-12-28 03:26:14,706 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 03:26:14,706 INFO L276 IsEmpty]: Start isEmpty. Operand 180725 states and 796148 transitions. [2019-12-28 03:26:14,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-28 03:26:14,874 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:26:14,874 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] [2019-12-28 03:26:14,875 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:26:14,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:26:14,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1065266562, now seen corresponding path program 1 times [2019-12-28 03:26:14,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:26:14,876 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120781517] [2019-12-28 03:26:14,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:26:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:26:14,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:26:14,975 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120781517] [2019-12-28 03:26:14,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:26:14,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 03:26:14,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [262982755] [2019-12-28 03:26:14,976 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:26:14,989 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:26:15,018 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 116 states and 157 transitions. [2019-12-28 03:26:15,019 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:26:15,019 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:26:15,020 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 03:26:15,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:26:15,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 03:26:15,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 03:26:15,021 INFO L87 Difference]: Start difference. First operand 180725 states and 796148 transitions. Second operand 7 states. [2019-12-28 03:26:24,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:26:24,122 INFO L93 Difference]: Finished difference Result 220861 states and 957730 transitions. [2019-12-28 03:26:24,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-28 03:26:24,122 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2019-12-28 03:26:24,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:26:24,869 INFO L225 Difference]: With dead ends: 220861 [2019-12-28 03:26:24,869 INFO L226 Difference]: Without dead ends: 219861 [2019-12-28 03:26:24,870 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 [2019-12-28 03:26:26,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219861 states. [2019-12-28 03:26:30,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219861 to 184237. [2019-12-28 03:26:30,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184237 states. [2019-12-28 03:26:31,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184237 states to 184237 states and 810266 transitions. [2019-12-28 03:26:31,116 INFO L78 Accepts]: Start accepts. Automaton has 184237 states and 810266 transitions. Word has length 73 [2019-12-28 03:26:31,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:26:31,116 INFO L462 AbstractCegarLoop]: Abstraction has 184237 states and 810266 transitions. [2019-12-28 03:26:31,116 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 03:26:31,117 INFO L276 IsEmpty]: Start isEmpty. Operand 184237 states and 810266 transitions. [2019-12-28 03:26:36,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-28 03:26:36,586 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:26:36,586 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] [2019-12-28 03:26:36,586 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:26:36,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:26:36,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1937054117, now seen corresponding path program 1 times [2019-12-28 03:26:36,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:26:36,587 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732822118] [2019-12-28 03:26:36,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:26:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:26:36,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:26:36,739 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732822118] [2019-12-28 03:26:36,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:26:36,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 03:26:36,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [266257444] [2019-12-28 03:26:36,740 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:26:36,752 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:26:36,770 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 78 states and 79 transitions. [2019-12-28 03:26:36,770 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:26:36,807 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-28 03:26:36,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 03:26:36,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:26:36,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 03:26:36,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-12-28 03:26:36,808 INFO L87 Difference]: Start difference. First operand 184237 states and 810266 transitions. Second operand 8 states. [2019-12-28 03:26:39,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:26:39,674 INFO L93 Difference]: Finished difference Result 262765 states and 1148126 transitions. [2019-12-28 03:26:39,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-28 03:26:39,675 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 75 [2019-12-28 03:26:39,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:26:40,692 INFO L225 Difference]: With dead ends: 262765 [2019-12-28 03:26:40,693 INFO L226 Difference]: Without dead ends: 260189 [2019-12-28 03:26:40,693 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-12-28 03:26:42,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260189 states. [2019-12-28 03:26:53,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260189 to 224437. [2019-12-28 03:26:53,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224437 states. [2019-12-28 03:26:55,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224437 states to 224437 states and 986536 transitions. [2019-12-28 03:26:55,319 INFO L78 Accepts]: Start accepts. Automaton has 224437 states and 986536 transitions. Word has length 75 [2019-12-28 03:26:55,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:26:55,319 INFO L462 AbstractCegarLoop]: Abstraction has 224437 states and 986536 transitions. [2019-12-28 03:26:55,319 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 03:26:55,319 INFO L276 IsEmpty]: Start isEmpty. Operand 224437 states and 986536 transitions. [2019-12-28 03:26:55,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-28 03:26:55,667 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:26:55,667 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] [2019-12-28 03:26:55,667 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:26:55,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:26:55,668 INFO L82 PathProgramCache]: Analyzing trace with hash -975440100, now seen corresponding path program 1 times [2019-12-28 03:26:55,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:26:55,669 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188623334] [2019-12-28 03:26:55,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:26:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:26:55,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:26:55,790 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188623334] [2019-12-28 03:26:55,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:26:55,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 03:26:55,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1230043192] [2019-12-28 03:26:55,791 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:26:55,800 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:26:55,820 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 78 states and 79 transitions. [2019-12-28 03:26:55,820 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:26:55,844 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-28 03:26:55,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-28 03:26:55,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:26:55,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-28 03:26:55,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-12-28 03:26:55,846 INFO L87 Difference]: Start difference. First operand 224437 states and 986536 transitions. Second operand 9 states. [2019-12-28 03:27:05,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:27:05,086 INFO L93 Difference]: Finished difference Result 332389 states and 1421212 transitions. [2019-12-28 03:27:05,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-28 03:27:05,086 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2019-12-28 03:27:05,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:27:06,330 INFO L225 Difference]: With dead ends: 332389 [2019-12-28 03:27:06,330 INFO L226 Difference]: Without dead ends: 332389 [2019-12-28 03:27:06,330 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2019-12-28 03:27:08,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332389 states. [2019-12-28 03:27:21,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332389 to 304585. [2019-12-28 03:27:21,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304585 states. Received shutdown request... [2019-12-28 03:27:33,645 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-28 03:27:33,650 WARN L227 ceAbstractionStarter]: Timeout [2019-12-28 03:27:33,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 03:27:33 BasicIcfg [2019-12-28 03:27:33,651 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 03:27:33,653 INFO L168 Benchmark]: Toolchain (without parser) took 192475.67 ms. Allocated memory was 146.3 MB in the beginning and 6.6 GB in the end (delta: 6.4 GB). Free memory was 102.6 MB in the beginning and 3.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 4.8 GB. Max. memory is 7.1 GB. [2019-12-28 03:27:33,659 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-28 03:27:33,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 860.46 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 102.4 MB in the beginning and 158.0 MB in the end (delta: -55.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-12-28 03:27:33,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.35 ms. Allocated memory is still 203.9 MB. Free memory was 157.4 MB in the beginning and 154.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-12-28 03:27:33,661 INFO L168 Benchmark]: Boogie Preprocessor took 37.25 ms. Allocated memory is still 203.9 MB. Free memory was 154.8 MB in the beginning and 152.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-12-28 03:27:33,662 INFO L168 Benchmark]: RCFGBuilder took 838.51 ms. Allocated memory is still 203.9 MB. Free memory was 152.1 MB in the beginning and 106.0 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 7.1 GB. [2019-12-28 03:27:33,670 INFO L168 Benchmark]: TraceAbstraction took 190667.83 ms. Allocated memory was 203.9 MB in the beginning and 6.6 GB in the end (delta: 6.4 GB). Free memory was 105.4 MB in the beginning and 3.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 4.7 GB. Max. memory is 7.1 GB. [2019-12-28 03:27:33,675 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 860.46 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 102.4 MB in the beginning and 158.0 MB in the end (delta: -55.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 65.35 ms. Allocated memory is still 203.9 MB. Free memory was 157.4 MB in the beginning and 154.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.25 ms. Allocated memory is still 203.9 MB. Free memory was 154.8 MB in the beginning and 152.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 838.51 ms. Allocated memory is still 203.9 MB. Free memory was 152.1 MB in the beginning and 106.0 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 190667.83 ms. Allocated memory was 203.9 MB in the beginning and 6.6 GB in the end (delta: 6.4 GB). Free memory was 105.4 MB in the beginning and 3.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 4.7 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 ReachableStatesComputation was computing reachable states (282795 states constructedinput type DoubleDeckerAutomaton). - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while ReachableStatesComputation was computing reachable states (282795 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 153 locations, 2 error locations. Result: TIMEOUT, OverallTime: 190.5s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 75.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3413 SDtfs, 4874 SDslu, 8651 SDs, 0 SdLazy, 3765 SolverSat, 303 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224437occurred 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: 92.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 238876 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 635 NumberOfCodeBlocks, 635 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 625 ConstructedInterpolants, 0 QuantifiedInterpolants, 91511 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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