/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe030_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-19 05:21:59,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-19 05:21:59,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-19 05:21:59,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-19 05:21:59,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-19 05:21:59,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-19 05:21:59,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-19 05:21:59,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-19 05:21:59,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-19 05:21:59,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-19 05:21:59,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-19 05:21:59,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-19 05:21:59,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-19 05:21:59,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-19 05:21:59,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-19 05:21:59,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-19 05:21:59,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-19 05:21:59,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-19 05:21:59,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-19 05:21:59,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-19 05:21:59,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-19 05:21:59,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-19 05:21:59,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-19 05:21:59,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-19 05:21:59,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-19 05:21:59,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-19 05:21:59,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-19 05:21:59,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-19 05:21:59,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-19 05:21:59,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-19 05:21:59,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-19 05:21:59,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-19 05:21:59,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-19 05:21:59,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-19 05:21:59,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-19 05:21:59,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-19 05:21:59,981 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2019-12-19 05:21:59,995 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-19 05:21:59,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-19 05:21:59,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-19 05:21:59,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-19 05:21:59,997 INFO L138 SettingsManager]: * Use SBE=true [2019-12-19 05:21:59,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-19 05:21:59,998 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-19 05:21:59,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-19 05:21:59,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-19 05:21:59,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-19 05:21:59,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-19 05:21:59,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-19 05:21:59,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-19 05:21:59,999 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-19 05:21:59,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-19 05:22:00,000 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-19 05:22:00,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-19 05:22:00,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-19 05:22:00,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-19 05:22:00,001 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-19 05:22:00,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-19 05:22:00,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 05:22:00,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-19 05:22:00,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-19 05:22:00,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-19 05:22:00,002 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-19 05:22:00,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-19 05:22:00,002 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-19 05:22:00,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-19 05:22:00,003 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-19 05:22:00,299 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-19 05:22:00,321 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-19 05:22:00,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-19 05:22:00,331 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-19 05:22:00,331 INFO L275 PluginConnector]: CDTParser initialized [2019-12-19 05:22:00,333 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe030_rmo.opt.i [2019-12-19 05:22:00,413 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c387ce7dc/f3b6206cd0694aa7a7d8012da11dda57/FLAGb418babe3 [2019-12-19 05:22:00,990 INFO L306 CDTParser]: Found 1 translation units. [2019-12-19 05:22:00,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe030_rmo.opt.i [2019-12-19 05:22:01,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c387ce7dc/f3b6206cd0694aa7a7d8012da11dda57/FLAGb418babe3 [2019-12-19 05:22:01,253 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c387ce7dc/f3b6206cd0694aa7a7d8012da11dda57 [2019-12-19 05:22:01,264 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-19 05:22:01,266 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-19 05:22:01,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-19 05:22:01,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-19 05:22:01,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-19 05:22:01,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:22:01" (1/1) ... [2019-12-19 05:22:01,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d4579d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:01, skipping insertion in model container [2019-12-19 05:22:01,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:22:01" (1/1) ... [2019-12-19 05:22:01,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-19 05:22:01,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-19 05:22:01,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:22:01,936 INFO L203 MainTranslator]: Completed pre-run [2019-12-19 05:22:02,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:22:02,103 INFO L208 MainTranslator]: Completed translation [2019-12-19 05:22:02,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:02 WrapperNode [2019-12-19 05:22:02,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-19 05:22:02,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-19 05:22:02,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-19 05:22:02,105 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-19 05:22:02,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:02" (1/1) ... [2019-12-19 05:22:02,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:02" (1/1) ... [2019-12-19 05:22:02,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-19 05:22:02,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-19 05:22:02,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-19 05:22:02,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-19 05:22:02,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:02" (1/1) ... [2019-12-19 05:22:02,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:02" (1/1) ... [2019-12-19 05:22:02,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:02" (1/1) ... [2019-12-19 05:22:02,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:02" (1/1) ... [2019-12-19 05:22:02,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:02" (1/1) ... [2019-12-19 05:22:02,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:02" (1/1) ... [2019-12-19 05:22:02,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:02" (1/1) ... [2019-12-19 05:22:02,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-19 05:22:02,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-19 05:22:02,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-19 05:22:02,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-19 05:22:02,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:02" (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 [2019-12-19 05:22:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-19 05:22:02,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-19 05:22:02,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-19 05:22:02,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-19 05:22:02,293 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-19 05:22:02,294 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-19 05:22:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-19 05:22:02,294 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-19 05:22:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-19 05:22:02,294 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-19 05:22:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-19 05:22:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-19 05:22:02,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-19 05:22:02,297 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-19 05:22:03,046 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-19 05:22:03,046 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-19 05:22:03,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:22:03 BoogieIcfgContainer [2019-12-19 05:22:03,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-19 05:22:03,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-19 05:22:03,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-19 05:22:03,053 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-19 05:22:03,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 05:22:01" (1/3) ... [2019-12-19 05:22:03,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223dc3b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:22:03, skipping insertion in model container [2019-12-19 05:22:03,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:22:02" (2/3) ... [2019-12-19 05:22:03,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223dc3b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:22:03, skipping insertion in model container [2019-12-19 05:22:03,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:22:03" (3/3) ... [2019-12-19 05:22:03,058 INFO L109 eAbstractionObserver]: Analyzing ICFG safe030_rmo.opt.i [2019-12-19 05:22:03,069 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-19 05:22:03,069 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-19 05:22:03,077 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-19 05:22:03,078 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-19 05:22:03,117 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,118 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,118 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,118 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,119 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,119 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,120 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,120 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,120 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,120 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,121 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,121 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,121 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,121 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,122 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,122 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,122 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,123 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,123 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,123 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,123 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,124 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,124 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,124 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,124 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,125 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,125 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,125 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,125 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,126 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,126 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,126 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,127 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,127 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,127 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,127 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,128 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,129 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,129 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,129 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,129 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,129 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,130 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,130 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,131 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,131 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,131 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,131 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,132 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,132 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,132 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,132 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,133 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,133 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,133 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,133 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,134 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,134 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,134 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,134 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,135 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,135 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,135 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,135 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,136 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,136 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,136 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,136 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,137 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,137 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,141 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,141 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,142 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,142 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,142 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,142 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,143 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,143 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,143 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,143 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,144 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,144 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,147 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,147 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,147 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,148 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,150 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,150 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,150 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,150 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,151 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,151 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,151 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,151 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,152 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,152 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:22:03,165 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-19 05:22:03,181 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-19 05:22:03,182 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-19 05:22:03,182 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-19 05:22:03,182 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-19 05:22:03,182 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-19 05:22:03,182 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-19 05:22:03,183 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-19 05:22:03,183 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-19 05:22:03,214 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 161 places, 192 transitions [2019-12-19 05:22:16,910 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 92464 states. [2019-12-19 05:22:16,912 INFO L276 IsEmpty]: Start isEmpty. Operand 92464 states. [2019-12-19 05:22:16,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-19 05:22:16,927 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:22:16,928 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:22:16,929 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:22:16,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:22:16,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1398957812, now seen corresponding path program 1 times [2019-12-19 05:22:16,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:22:16,946 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994158738] [2019-12-19 05:22:16,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:22:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:22:17,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:22:17,269 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994158738] [2019-12-19 05:22:17,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:22:17,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-19 05:22:17,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813173937] [2019-12-19 05:22:17,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-19 05:22:17,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:22:17,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-19 05:22:17,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 05:22:17,297 INFO L87 Difference]: Start difference. First operand 92464 states. Second operand 4 states. [2019-12-19 05:22:18,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:22:18,969 INFO L93 Difference]: Finished difference Result 96400 states and 448736 transitions. [2019-12-19 05:22:18,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-19 05:22:18,971 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2019-12-19 05:22:18,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:22:19,615 INFO L225 Difference]: With dead ends: 96400 [2019-12-19 05:22:19,615 INFO L226 Difference]: Without dead ends: 85520 [2019-12-19 05:22:19,618 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 [2019-12-19 05:22:23,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85520 states. [2019-12-19 05:22:26,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85520 to 85520. [2019-12-19 05:22:26,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85520 states. [2019-12-19 05:22:26,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85520 states to 85520 states and 400696 transitions. [2019-12-19 05:22:26,651 INFO L78 Accepts]: Start accepts. Automaton has 85520 states and 400696 transitions. Word has length 43 [2019-12-19 05:22:26,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:22:26,653 INFO L462 AbstractCegarLoop]: Abstraction has 85520 states and 400696 transitions. [2019-12-19 05:22:26,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-19 05:22:26,653 INFO L276 IsEmpty]: Start isEmpty. Operand 85520 states and 400696 transitions. [2019-12-19 05:22:26,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-19 05:22:26,675 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:22:26,676 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:22:26,676 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:22:26,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:22:26,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1155940074, now seen corresponding path program 1 times [2019-12-19 05:22:26,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:22:26,677 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658856972] [2019-12-19 05:22:26,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:22:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:22:26,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:22:26,869 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658856972] [2019-12-19 05:22:26,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:22:26,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-19 05:22:26,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469639167] [2019-12-19 05:22:26,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-19 05:22:26,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:22:26,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-19 05:22:26,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-19 05:22:26,872 INFO L87 Difference]: Start difference. First operand 85520 states and 400696 transitions. Second operand 5 states. [2019-12-19 05:22:31,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:22:31,877 INFO L93 Difference]: Finished difference Result 139648 states and 623532 transitions. [2019-12-19 05:22:31,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 05:22:31,878 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2019-12-19 05:22:31,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:22:32,799 INFO L225 Difference]: With dead ends: 139648 [2019-12-19 05:22:32,799 INFO L226 Difference]: Without dead ends: 138928 [2019-12-19 05:22:32,800 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 [2019-12-19 05:22:34,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138928 states. [2019-12-19 05:22:40,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138928 to 132784. [2019-12-19 05:22:40,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132784 states. [2019-12-19 05:22:40,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132784 states to 132784 states and 597160 transitions. [2019-12-19 05:22:40,534 INFO L78 Accepts]: Start accepts. Automaton has 132784 states and 597160 transitions. Word has length 50 [2019-12-19 05:22:40,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:22:40,534 INFO L462 AbstractCegarLoop]: Abstraction has 132784 states and 597160 transitions. [2019-12-19 05:22:40,534 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-19 05:22:40,534 INFO L276 IsEmpty]: Start isEmpty. Operand 132784 states and 597160 transitions. [2019-12-19 05:22:40,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-19 05:22:40,546 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:22:40,546 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] [2019-12-19 05:22:40,546 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:22:40,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:22:40,547 INFO L82 PathProgramCache]: Analyzing trace with hash 414231166, now seen corresponding path program 1 times [2019-12-19 05:22:40,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:22:40,547 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443882626] [2019-12-19 05:22:40,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:22:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:22:40,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:22:40,663 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443882626] [2019-12-19 05:22:40,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:22:40,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-19 05:22:40,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847508334] [2019-12-19 05:22:40,666 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-19 05:22:40,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:22:40,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-19 05:22:40,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-19 05:22:40,666 INFO L87 Difference]: Start difference. First operand 132784 states and 597160 transitions. Second operand 5 states. [2019-12-19 05:22:46,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:22:46,768 INFO L93 Difference]: Finished difference Result 161552 states and 717780 transitions. [2019-12-19 05:22:46,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 05:22:46,769 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-19 05:22:46,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:22:47,298 INFO L225 Difference]: With dead ends: 161552 [2019-12-19 05:22:47,298 INFO L226 Difference]: Without dead ends: 160752 [2019-12-19 05:22:47,299 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 [2019-12-19 05:22:48,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160752 states. [2019-12-19 05:22:51,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160752 to 139076. [2019-12-19 05:22:51,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139076 states. [2019-12-19 05:22:51,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139076 states to 139076 states and 623063 transitions. [2019-12-19 05:22:51,765 INFO L78 Accepts]: Start accepts. Automaton has 139076 states and 623063 transitions. Word has length 51 [2019-12-19 05:22:51,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:22:51,767 INFO L462 AbstractCegarLoop]: Abstraction has 139076 states and 623063 transitions. [2019-12-19 05:22:51,767 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-19 05:22:51,768 INFO L276 IsEmpty]: Start isEmpty. Operand 139076 states and 623063 transitions. [2019-12-19 05:22:51,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-19 05:22:51,806 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:22:51,806 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:22:51,806 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:22:51,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:22:51,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1643889572, now seen corresponding path program 1 times [2019-12-19 05:22:51,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:22:51,807 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812415051] [2019-12-19 05:22:51,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:22:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:22:51,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:22:51,903 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812415051] [2019-12-19 05:22:51,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:22:51,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 05:22:51,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569473808] [2019-12-19 05:22:51,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 05:22:51,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:22:51,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 05:22:51,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-19 05:22:51,906 INFO L87 Difference]: Start difference. First operand 139076 states and 623063 transitions. Second operand 6 states. [2019-12-19 05:22:57,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:22:57,857 INFO L93 Difference]: Finished difference Result 183580 states and 805089 transitions. [2019-12-19 05:22:57,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-19 05:22:57,857 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-12-19 05:22:57,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:22:59,170 INFO L225 Difference]: With dead ends: 183580 [2019-12-19 05:22:59,170 INFO L226 Difference]: Without dead ends: 182860 [2019-12-19 05:22:59,171 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 [2019-12-19 05:23:00,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182860 states. [2019-12-19 05:23:03,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182860 to 134928. [2019-12-19 05:23:03,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134928 states. [2019-12-19 05:23:04,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134928 states to 134928 states and 604572 transitions. [2019-12-19 05:23:04,172 INFO L78 Accepts]: Start accepts. Automaton has 134928 states and 604572 transitions. Word has length 58 [2019-12-19 05:23:04,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:23:04,172 INFO L462 AbstractCegarLoop]: Abstraction has 134928 states and 604572 transitions. [2019-12-19 05:23:04,172 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 05:23:04,172 INFO L276 IsEmpty]: Start isEmpty. Operand 134928 states and 604572 transitions. [2019-12-19 05:23:04,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-19 05:23:04,248 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:23:04,248 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:23:04,248 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:23:04,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:23:04,249 INFO L82 PathProgramCache]: Analyzing trace with hash 205469100, now seen corresponding path program 1 times [2019-12-19 05:23:04,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:23:04,249 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639557750] [2019-12-19 05:23:04,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:23:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:23:04,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:23:04,405 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639557750] [2019-12-19 05:23:04,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:23:04,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 05:23:04,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013679274] [2019-12-19 05:23:04,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 05:23:04,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:23:04,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 05:23:04,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-19 05:23:04,407 INFO L87 Difference]: Start difference. First operand 134928 states and 604572 transitions. Second operand 6 states. [2019-12-19 05:23:11,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:23:11,610 INFO L93 Difference]: Finished difference Result 185112 states and 812726 transitions. [2019-12-19 05:23:11,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-19 05:23:11,611 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2019-12-19 05:23:11,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:23:12,243 INFO L225 Difference]: With dead ends: 185112 [2019-12-19 05:23:12,243 INFO L226 Difference]: Without dead ends: 183912 [2019-12-19 05:23:12,243 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 [2019-12-19 05:23:13,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183912 states. [2019-12-19 05:23:16,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183912 to 160428. [2019-12-19 05:23:16,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160428 states. [2019-12-19 05:23:17,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160428 states to 160428 states and 711513 transitions. [2019-12-19 05:23:17,603 INFO L78 Accepts]: Start accepts. Automaton has 160428 states and 711513 transitions. Word has length 65 [2019-12-19 05:23:17,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:23:17,603 INFO L462 AbstractCegarLoop]: Abstraction has 160428 states and 711513 transitions. [2019-12-19 05:23:17,603 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 05:23:17,603 INFO L276 IsEmpty]: Start isEmpty. Operand 160428 states and 711513 transitions. [2019-12-19 05:23:17,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-19 05:23:17,712 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:23:17,712 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:23:17,712 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:23:17,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:23:17,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1065201497, now seen corresponding path program 1 times [2019-12-19 05:23:17,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:23:17,713 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474849318] [2019-12-19 05:23:17,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:23:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:23:17,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:23:17,757 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474849318] [2019-12-19 05:23:17,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:23:17,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-19 05:23:17,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472756952] [2019-12-19 05:23:17,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-19 05:23:17,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:23:17,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-19 05:23:17,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-19 05:23:17,759 INFO L87 Difference]: Start difference. First operand 160428 states and 711513 transitions. Second operand 3 states. [2019-12-19 05:23:24,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:23:24,924 INFO L93 Difference]: Finished difference Result 202236 states and 884073 transitions. [2019-12-19 05:23:24,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-19 05:23:24,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2019-12-19 05:23:24,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:23:25,628 INFO L225 Difference]: With dead ends: 202236 [2019-12-19 05:23:25,629 INFO L226 Difference]: Without dead ends: 202236 [2019-12-19 05:23:25,629 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 [2019-12-19 05:23:27,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202236 states. [2019-12-19 05:23:30,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202236 to 176148. [2019-12-19 05:23:30,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176148 states. [2019-12-19 05:23:31,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176148 states to 176148 states and 777055 transitions. [2019-12-19 05:23:31,431 INFO L78 Accepts]: Start accepts. Automaton has 176148 states and 777055 transitions. Word has length 67 [2019-12-19 05:23:31,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:23:31,431 INFO L462 AbstractCegarLoop]: Abstraction has 176148 states and 777055 transitions. [2019-12-19 05:23:31,431 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-19 05:23:31,431 INFO L276 IsEmpty]: Start isEmpty. Operand 176148 states and 777055 transitions. [2019-12-19 05:23:31,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-19 05:23:31,595 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:23:31,595 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:23:31,595 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:23:31,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:23:31,596 INFO L82 PathProgramCache]: Analyzing trace with hash -681447855, now seen corresponding path program 1 times [2019-12-19 05:23:31,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:23:31,596 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31523672] [2019-12-19 05:23:31,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:23:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:23:31,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:23:31,740 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31523672] [2019-12-19 05:23:31,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:23:31,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 05:23:31,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725357877] [2019-12-19 05:23:31,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 05:23:31,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:23:31,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 05:23:31,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:23:31,742 INFO L87 Difference]: Start difference. First operand 176148 states and 777055 transitions. Second operand 7 states. [2019-12-19 05:23:38,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:23:38,796 INFO L93 Difference]: Finished difference Result 224100 states and 971731 transitions. [2019-12-19 05:23:38,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-19 05:23:38,797 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2019-12-19 05:23:38,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:23:40,290 INFO L225 Difference]: With dead ends: 224100 [2019-12-19 05:23:40,290 INFO L226 Difference]: Without dead ends: 222900 [2019-12-19 05:23:40,291 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 [2019-12-19 05:23:41,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222900 states. [2019-12-19 05:23:49,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222900 to 180724. [2019-12-19 05:23:49,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180724 states. [2019-12-19 05:23:51,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180724 states to 180724 states and 796147 transitions. [2019-12-19 05:23:51,052 INFO L78 Accepts]: Start accepts. Automaton has 180724 states and 796147 transitions. Word has length 71 [2019-12-19 05:23:51,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:23:51,052 INFO L462 AbstractCegarLoop]: Abstraction has 180724 states and 796147 transitions. [2019-12-19 05:23:51,052 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 05:23:51,053 INFO L276 IsEmpty]: Start isEmpty. Operand 180724 states and 796147 transitions. [2019-12-19 05:23:51,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-19 05:23:51,211 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:23:51,212 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] [2019-12-19 05:23:51,212 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:23:51,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:23:51,212 INFO L82 PathProgramCache]: Analyzing trace with hash 311115850, now seen corresponding path program 1 times [2019-12-19 05:23:51,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:23:51,213 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421658223] [2019-12-19 05:23:51,213 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:23:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:23:51,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:23:51,292 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421658223] [2019-12-19 05:23:51,292 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:23:51,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 05:23:51,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307675672] [2019-12-19 05:23:51,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 05:23:51,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:23:51,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 05:23:51,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:23:51,294 INFO L87 Difference]: Start difference. First operand 180724 states and 796147 transitions. Second operand 7 states. [2019-12-19 05:23:59,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:23:59,145 INFO L93 Difference]: Finished difference Result 220860 states and 957729 transitions. [2019-12-19 05:23:59,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-19 05:23:59,150 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2019-12-19 05:23:59,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:23:59,925 INFO L225 Difference]: With dead ends: 220860 [2019-12-19 05:23:59,925 INFO L226 Difference]: Without dead ends: 219860 [2019-12-19 05:23:59,925 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 [2019-12-19 05:24:01,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219860 states. [2019-12-19 05:24:05,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219860 to 184236. [2019-12-19 05:24:05,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184236 states. [2019-12-19 05:24:07,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184236 states to 184236 states and 810265 transitions. [2019-12-19 05:24:07,917 INFO L78 Accepts]: Start accepts. Automaton has 184236 states and 810265 transitions. Word has length 72 [2019-12-19 05:24:07,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:24:07,917 INFO L462 AbstractCegarLoop]: Abstraction has 184236 states and 810265 transitions. [2019-12-19 05:24:07,917 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 05:24:07,917 INFO L276 IsEmpty]: Start isEmpty. Operand 184236 states and 810265 transitions. [2019-12-19 05:24:08,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-19 05:24:08,120 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:24:08,120 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:24:08,120 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:24:08,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:24:08,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1636045537, now seen corresponding path program 1 times [2019-12-19 05:24:08,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:24:08,121 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257227436] [2019-12-19 05:24:08,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:24:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:24:08,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:24:08,236 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257227436] [2019-12-19 05:24:08,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:24:08,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 05:24:08,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008921131] [2019-12-19 05:24:08,237 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 05:24:08,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:24:08,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 05:24:08,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-19 05:24:08,238 INFO L87 Difference]: Start difference. First operand 184236 states and 810265 transitions. Second operand 6 states. [2019-12-19 05:24:16,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:24:16,943 INFO L93 Difference]: Finished difference Result 262764 states and 1148125 transitions. [2019-12-19 05:24:16,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 05:24:16,943 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 74 [2019-12-19 05:24:16,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:24:17,881 INFO L225 Difference]: With dead ends: 262764 [2019-12-19 05:24:17,881 INFO L226 Difference]: Without dead ends: 260188 [2019-12-19 05:24:17,882 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-19 05:24:19,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260188 states. [2019-12-19 05:24:24,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260188 to 224436. [2019-12-19 05:24:24,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224436 states. [2019-12-19 05:24:25,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224436 states to 224436 states and 986535 transitions. [2019-12-19 05:24:25,453 INFO L78 Accepts]: Start accepts. Automaton has 224436 states and 986535 transitions. Word has length 74 [2019-12-19 05:24:25,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:24:25,453 INFO L462 AbstractCegarLoop]: Abstraction has 224436 states and 986535 transitions. [2019-12-19 05:24:25,453 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 05:24:25,453 INFO L276 IsEmpty]: Start isEmpty. Operand 224436 states and 986535 transitions. [2019-12-19 05:24:33,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-19 05:24:33,532 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:24:33,532 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:24:33,532 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:24:33,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:24:33,533 INFO L82 PathProgramCache]: Analyzing trace with hash -674431520, now seen corresponding path program 1 times [2019-12-19 05:24:33,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:24:33,533 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675729072] [2019-12-19 05:24:33,533 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:24:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:24:33,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:24:33,624 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675729072] [2019-12-19 05:24:33,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:24:33,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-19 05:24:33,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463727862] [2019-12-19 05:24:33,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-19 05:24:33,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:24:33,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-19 05:24:33,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-19 05:24:33,626 INFO L87 Difference]: Start difference. First operand 224436 states and 986535 transitions. Second operand 3 states. [2019-12-19 05:24:35,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:24:35,649 INFO L93 Difference]: Finished difference Result 217928 states and 953958 transitions. [2019-12-19 05:24:35,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-19 05:24:35,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2019-12-19 05:24:35,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:24:36,404 INFO L225 Difference]: With dead ends: 217928 [2019-12-19 05:24:36,404 INFO L226 Difference]: Without dead ends: 217280 [2019-12-19 05:24:36,404 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-19 05:24:37,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217280 states. [2019-12-19 05:24:47,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217280 to 217120. [2019-12-19 05:24:47,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217120 states. [2019-12-19 05:24:47,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217120 states to 217120 states and 951012 transitions. [2019-12-19 05:24:47,997 INFO L78 Accepts]: Start accepts. Automaton has 217120 states and 951012 transitions. Word has length 74 [2019-12-19 05:24:47,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:24:47,998 INFO L462 AbstractCegarLoop]: Abstraction has 217120 states and 951012 transitions. [2019-12-19 05:24:47,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-19 05:24:47,998 INFO L276 IsEmpty]: Start isEmpty. Operand 217120 states and 951012 transitions. [2019-12-19 05:24:49,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-19 05:24:49,544 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:24:49,544 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] [2019-12-19 05:24:49,545 INFO L410 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:24:49,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:24:49,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1377402502, now seen corresponding path program 1 times [2019-12-19 05:24:49,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:24:49,545 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383601675] [2019-12-19 05:24:49,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:24:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:24:49,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:24:49,659 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383601675] [2019-12-19 05:24:49,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:24:49,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-19 05:24:49,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960984440] [2019-12-19 05:24:49,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-19 05:24:49,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:24:49,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-19 05:24:49,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 05:24:49,662 INFO L87 Difference]: Start difference. First operand 217120 states and 951012 transitions. Second operand 4 states. [2019-12-19 05:24:50,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:24:50,623 INFO L93 Difference]: Finished difference Result 177996 states and 761429 transitions. [2019-12-19 05:24:50,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-19 05:24:50,623 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 75 [2019-12-19 05:24:50,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:24:58,947 INFO L225 Difference]: With dead ends: 177996 [2019-12-19 05:24:58,947 INFO L226 Difference]: Without dead ends: 176084 [2019-12-19 05:24:58,947 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-19 05:24:59,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176084 states. [2019-12-19 05:25:02,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176084 to 176084. [2019-12-19 05:25:02,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176084 states. Received shutdown request... [2019-12-19 05:25:03,307 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-19 05:25:03,313 WARN L227 ceAbstractionStarter]: Timeout [2019-12-19 05:25:03,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 05:25:03 BasicIcfg [2019-12-19 05:25:03,313 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-19 05:25:03,316 INFO L168 Benchmark]: Toolchain (without parser) took 182049.73 ms. Allocated memory was 144.7 MB in the beginning and 4.9 GB in the end (delta: 4.7 GB). Free memory was 100.1 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 4.3 GB. Max. memory is 7.1 GB. [2019-12-19 05:25:03,317 INFO L168 Benchmark]: CDTParser took 1.92 ms. Allocated memory is still 144.7 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-19 05:25:03,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 837.37 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 99.9 MB in the beginning and 156.5 MB in the end (delta: -56.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-12-19 05:25:03,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.45 ms. Allocated memory is still 202.4 MB. Free memory was 156.5 MB in the beginning and 153.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-12-19 05:25:03,319 INFO L168 Benchmark]: Boogie Preprocessor took 41.78 ms. Allocated memory is still 202.4 MB. Free memory was 153.1 MB in the beginning and 151.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-19 05:25:03,320 INFO L168 Benchmark]: RCFGBuilder took 829.15 ms. Allocated memory is still 202.4 MB. Free memory was 151.1 MB in the beginning and 104.8 MB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 7.1 GB. [2019-12-19 05:25:03,321 INFO L168 Benchmark]: TraceAbstraction took 180264.09 ms. Allocated memory was 202.4 MB in the beginning and 4.9 GB in the end (delta: 4.7 GB). Free memory was 104.2 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 4.2 GB. Max. memory is 7.1 GB. [2019-12-19 05:25:03,325 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.92 ms. Allocated memory is still 144.7 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 837.37 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 99.9 MB in the beginning and 156.5 MB in the end (delta: -56.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 71.45 ms. Allocated memory is still 202.4 MB. Free memory was 156.5 MB in the beginning and 153.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.78 ms. Allocated memory is still 202.4 MB. Free memory was 153.1 MB in the beginning and 151.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 829.15 ms. Allocated memory is still 202.4 MB. Free memory was 151.1 MB in the beginning and 104.8 MB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 180264.09 ms. Allocated memory was 202.4 MB in the beginning and 4.9 GB in the end (delta: 4.7 GB). Free memory was 104.2 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 4.2 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 (159153 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 (159153 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 152 locations, 2 error locations. Result: TIMEOUT, OverallTime: 180.1s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 76.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3533 SDtfs, 4122 SDslu, 7931 SDs, 0 SdLazy, 2948 SolverSat, 244 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224436occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 77.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 239036 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 700 NumberOfCodeBlocks, 700 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 689 ConstructedInterpolants, 0 QuantifiedInterpolants, 96656 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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