/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/safe036_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 07:11:03,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 07:11:03,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 07:11:03,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 07:11:03,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 07:11:03,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 07:11:03,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 07:11:03,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 07:11:03,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 07:11:03,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 07:11:03,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 07:11:03,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 07:11:03,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 07:11:03,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 07:11:03,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 07:11:03,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 07:11:03,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 07:11:03,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 07:11:03,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 07:11:03,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 07:11:03,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 07:11:03,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 07:11:03,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 07:11:03,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 07:11:03,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 07:11:03,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 07:11:03,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 07:11:03,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 07:11:03,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 07:11:03,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 07:11:03,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 07:11:03,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 07:11:03,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 07:11:03,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 07:11:03,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 07:11:03,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 07:11:03,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 07:11:03,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 07:11:03,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 07:11:03,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 07:11:03,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 07:11:03,936 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 [2020-04-18 07:11:03,960 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 07:11:03,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 07:11:03,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 07:11:03,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 07:11:03,963 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 07:11:03,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 07:11:03,963 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 07:11:03,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 07:11:03,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 07:11:03,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 07:11:03,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 07:11:03,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 07:11:03,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 07:11:03,966 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 07:11:03,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 07:11:03,966 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 07:11:03,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 07:11:03,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 07:11:03,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 07:11:03,967 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 07:11:03,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 07:11:03,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 07:11:03,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 07:11:03,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 07:11:03,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 07:11:03,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-18 07:11:03,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 07:11:03,968 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-04-18 07:11:03,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 07:11:03,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 07:11:04,276 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 07:11:04,294 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 07:11:04,299 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 07:11:04,300 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 07:11:04,301 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 07:11:04,302 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe036_pso.oepc.i [2020-04-18 07:11:04,368 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a97f0b17d/1ac7b8bd6da84484be5b4252e8e156d7/FLAGd6cf7dc06 [2020-04-18 07:11:04,876 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 07:11:04,876 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_pso.oepc.i [2020-04-18 07:11:04,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a97f0b17d/1ac7b8bd6da84484be5b4252e8e156d7/FLAGd6cf7dc06 [2020-04-18 07:11:05,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a97f0b17d/1ac7b8bd6da84484be5b4252e8e156d7 [2020-04-18 07:11:05,174 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 07:11:05,198 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 07:11:05,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 07:11:05,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 07:11:05,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 07:11:05,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:11:05" (1/1) ... [2020-04-18 07:11:05,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f5b2a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:05, skipping insertion in model container [2020-04-18 07:11:05,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:11:05" (1/1) ... [2020-04-18 07:11:05,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 07:11:05,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 07:11:05,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 07:11:05,801 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 07:11:05,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 07:11:05,936 INFO L208 MainTranslator]: Completed translation [2020-04-18 07:11:05,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:05 WrapperNode [2020-04-18 07:11:05,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 07:11:05,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 07:11:05,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 07:11:05,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 07:11:05,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:05" (1/1) ... [2020-04-18 07:11:05,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:05" (1/1) ... [2020-04-18 07:11:05,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 07:11:05,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 07:11:05,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 07:11:05,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 07:11:06,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:05" (1/1) ... [2020-04-18 07:11:06,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:05" (1/1) ... [2020-04-18 07:11:06,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:05" (1/1) ... [2020-04-18 07:11:06,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:05" (1/1) ... [2020-04-18 07:11:06,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:05" (1/1) ... [2020-04-18 07:11:06,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:05" (1/1) ... [2020-04-18 07:11:06,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:05" (1/1) ... [2020-04-18 07:11:06,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 07:11:06,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 07:11:06,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 07:11:06,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 07:11:06,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 07:11:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 07:11:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-04-18 07:11:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 07:11:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 07:11:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-04-18 07:11:06,088 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-04-18 07:11:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-04-18 07:11:06,088 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-04-18 07:11:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-04-18 07:11:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 07:11:06,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 07:11:06,090 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 07:11:06,455 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 07:11:06,455 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-04-18 07:11:06,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:11:06 BoogieIcfgContainer [2020-04-18 07:11:06,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 07:11:06,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 07:11:06,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 07:11:06,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 07:11:06,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 07:11:05" (1/3) ... [2020-04-18 07:11:06,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3598080f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:11:06, skipping insertion in model container [2020-04-18 07:11:06,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:11:05" (2/3) ... [2020-04-18 07:11:06,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3598080f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:11:06, skipping insertion in model container [2020-04-18 07:11:06,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:11:06" (3/3) ... [2020-04-18 07:11:06,472 INFO L109 eAbstractionObserver]: Analyzing ICFG safe036_pso.oepc.i [2020-04-18 07:11:06,482 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 07:11:06,483 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 07:11:06,489 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-18 07:11:06,491 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 07:11:06,513 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:06,513 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:06,513 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:06,514 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:06,514 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:06,514 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:06,515 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:06,515 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:06,515 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:06,515 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:06,516 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:06,516 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:06,519 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:06,520 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:06,520 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:06,520 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:06,526 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:06,526 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:06,526 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:06,527 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:11:06,540 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-04-18 07:11:06,561 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 07:11:06,561 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 07:11:06,561 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 07:11:06,562 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 07:11:06,562 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 07:11:06,562 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 07:11:06,562 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 07:11:06,562 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 07:11:06,577 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 56 transitions, 122 flow [2020-04-18 07:11:06,663 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1121 states. [2020-04-18 07:11:06,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states. [2020-04-18 07:11:06,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-04-18 07:11:06,684 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:11:06,685 INFO L425 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] [2020-04-18 07:11:06,685 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 07:11:06,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:11:06,691 INFO L82 PathProgramCache]: Analyzing trace with hash -328445311, now seen corresponding path program 1 times [2020-04-18 07:11:06,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:11:06,701 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464852213] [2020-04-18 07:11:06,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:11:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:11:07,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 07:11:07,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464852213] [2020-04-18 07:11:07,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:11:07,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 07:11:07,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904072866] [2020-04-18 07:11:07,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 07:11:07,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:11:07,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 07:11:07,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 07:11:07,141 INFO L87 Difference]: Start difference. First operand 1121 states. Second operand 6 states. [2020-04-18 07:11:07,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:11:07,384 INFO L93 Difference]: Finished difference Result 1046 states and 2616 transitions. [2020-04-18 07:11:07,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-04-18 07:11:07,386 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-04-18 07:11:07,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:11:07,406 INFO L225 Difference]: With dead ends: 1046 [2020-04-18 07:11:07,406 INFO L226 Difference]: Without dead ends: 504 [2020-04-18 07:11:07,408 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-04-18 07:11:07,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-04-18 07:11:07,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2020-04-18 07:11:07,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2020-04-18 07:11:07,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 1219 transitions. [2020-04-18 07:11:07,509 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 1219 transitions. Word has length 31 [2020-04-18 07:11:07,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:11:07,509 INFO L479 AbstractCegarLoop]: Abstraction has 504 states and 1219 transitions. [2020-04-18 07:11:07,510 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 07:11:07,510 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1219 transitions. [2020-04-18 07:11:07,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-04-18 07:11:07,516 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:11:07,516 INFO L425 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] [2020-04-18 07:11:07,516 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 07:11:07,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:11:07,517 INFO L82 PathProgramCache]: Analyzing trace with hash 2045091331, now seen corresponding path program 1 times [2020-04-18 07:11:07,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:11:07,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806733318] [2020-04-18 07:11:07,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:11:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:11:07,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 07:11:07,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806733318] [2020-04-18 07:11:07,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:11:07,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-04-18 07:11:07,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706246048] [2020-04-18 07:11:07,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-04-18 07:11:07,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:11:07,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 07:11:07,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-04-18 07:11:07,755 INFO L87 Difference]: Start difference. First operand 504 states and 1219 transitions. Second operand 7 states. [2020-04-18 07:11:07,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:11:07,934 INFO L93 Difference]: Finished difference Result 372 states and 846 transitions. [2020-04-18 07:11:07,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-04-18 07:11:07,935 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-04-18 07:11:07,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:11:07,940 INFO L225 Difference]: With dead ends: 372 [2020-04-18 07:11:07,941 INFO L226 Difference]: Without dead ends: 240 [2020-04-18 07:11:07,943 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-04-18 07:11:07,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-04-18 07:11:07,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2020-04-18 07:11:07,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-04-18 07:11:07,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 515 transitions. [2020-04-18 07:11:07,959 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 515 transitions. Word has length 35 [2020-04-18 07:11:07,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:11:07,959 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 515 transitions. [2020-04-18 07:11:07,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-04-18 07:11:07,959 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 515 transitions. [2020-04-18 07:11:07,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-04-18 07:11:07,961 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:11:07,961 INFO L425 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] [2020-04-18 07:11:07,961 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 07:11:07,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:11:07,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1256214719, now seen corresponding path program 1 times [2020-04-18 07:11:07,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:11:07,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940499871] [2020-04-18 07:11:07,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:11:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:11:08,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 07:11:08,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940499871] [2020-04-18 07:11:08,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:11:08,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-04-18 07:11:08,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998350459] [2020-04-18 07:11:08,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-04-18 07:11:08,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:11:08,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 07:11:08,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-04-18 07:11:08,098 INFO L87 Difference]: Start difference. First operand 240 states and 515 transitions. Second operand 7 states. [2020-04-18 07:11:08,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:11:08,216 INFO L93 Difference]: Finished difference Result 361 states and 786 transitions. [2020-04-18 07:11:08,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-04-18 07:11:08,217 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2020-04-18 07:11:08,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:11:08,219 INFO L225 Difference]: With dead ends: 361 [2020-04-18 07:11:08,219 INFO L226 Difference]: Without dead ends: 190 [2020-04-18 07:11:08,220 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-04-18 07:11:08,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-04-18 07:11:08,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2020-04-18 07:11:08,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-04-18 07:11:08,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 400 transitions. [2020-04-18 07:11:08,234 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 400 transitions. Word has length 39 [2020-04-18 07:11:08,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:11:08,234 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 400 transitions. [2020-04-18 07:11:08,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-04-18 07:11:08,235 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 400 transitions. [2020-04-18 07:11:08,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-04-18 07:11:08,238 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:11:08,238 INFO L425 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] [2020-04-18 07:11:08,239 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 07:11:08,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:11:08,239 INFO L82 PathProgramCache]: Analyzing trace with hash -87892729, now seen corresponding path program 2 times [2020-04-18 07:11:08,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:11:08,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278606046] [2020-04-18 07:11:08,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:11:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:11:08,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 07:11:08,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278606046] [2020-04-18 07:11:08,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:11:08,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-04-18 07:11:08,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773774856] [2020-04-18 07:11:08,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-04-18 07:11:08,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:11:08,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 07:11:08,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-04-18 07:11:08,396 INFO L87 Difference]: Start difference. First operand 190 states and 400 transitions. Second operand 7 states. [2020-04-18 07:11:08,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:11:08,485 INFO L93 Difference]: Finished difference Result 172 states and 358 transitions. [2020-04-18 07:11:08,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-04-18 07:11:08,486 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2020-04-18 07:11:08,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:11:08,486 INFO L225 Difference]: With dead ends: 172 [2020-04-18 07:11:08,487 INFO L226 Difference]: Without dead ends: 0 [2020-04-18 07:11:08,487 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-04-18 07:11:08,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-04-18 07:11:08,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-04-18 07:11:08,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-04-18 07:11:08,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-04-18 07:11:08,489 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-04-18 07:11:08,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:11:08,489 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-04-18 07:11:08,489 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-04-18 07:11:08,489 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-04-18 07:11:08,490 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 07:11:08,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 07:11:08 BasicIcfg [2020-04-18 07:11:08,495 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 07:11:08,498 INFO L168 Benchmark]: Toolchain (without parser) took 3321.34 ms. Allocated memory was 137.4 MB in the beginning and 232.8 MB in the end (delta: 95.4 MB). Free memory was 100.7 MB in the beginning and 83.8 MB in the end (delta: 16.9 MB). Peak memory consumption was 112.3 MB. Max. memory is 7.1 GB. [2020-04-18 07:11:08,499 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-04-18 07:11:08,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.48 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 98.8 MB in the beginning and 159.1 MB in the end (delta: -60.3 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2020-04-18 07:11:08,501 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.23 ms. Allocated memory is still 201.9 MB. Free memory was 159.1 MB in the beginning and 157.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-04-18 07:11:08,502 INFO L168 Benchmark]: Boogie Preprocessor took 24.68 ms. Allocated memory is still 201.9 MB. Free memory was 157.0 MB in the beginning and 155.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-04-18 07:11:08,503 INFO L168 Benchmark]: RCFGBuilder took 444.20 ms. Allocated memory is still 201.9 MB. Free memory was 155.6 MB in the beginning and 135.2 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2020-04-18 07:11:08,504 INFO L168 Benchmark]: TraceAbstraction took 2033.80 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 135.2 MB in the beginning and 83.8 MB in the end (delta: 51.4 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2020-04-18 07:11:08,509 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 734.48 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 98.8 MB in the beginning and 159.1 MB in the end (delta: -60.3 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 53.23 ms. Allocated memory is still 201.9 MB. Free memory was 159.1 MB in the beginning and 157.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.68 ms. Allocated memory is still 201.9 MB. Free memory was 157.0 MB in the beginning and 155.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 444.20 ms. Allocated memory is still 201.9 MB. Free memory was 155.6 MB in the beginning and 135.2 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2033.80 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 135.2 MB in the beginning and 83.8 MB in the end (delta: 51.4 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 246 SDtfs, 316 SDslu, 829 SDs, 0 SdLazy, 116 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1121occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 13616 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...