/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix038_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 01:51:53,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 01:51:53,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 01:51:53,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 01:51:53,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 01:51:53,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 01:51:53,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 01:51:53,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 01:51:53,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 01:51:53,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 01:51:53,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 01:51:53,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 01:51:53,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 01:51:53,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 01:51:53,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 01:51:53,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 01:51:53,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 01:51:53,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 01:51:53,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 01:51:53,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 01:51:53,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 01:51:53,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 01:51:53,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 01:51:53,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 01:51:53,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 01:51:53,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 01:51:53,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 01:51:53,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 01:51:53,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 01:51:53,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 01:51:53,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 01:51:53,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 01:51:53,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 01:51:53,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 01:51:53,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 01:51:53,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 01:51:53,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 01:51:53,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 01:51:53,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 01:51:53,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 01:51:53,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 01:51:53,954 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-10-22 01:51:53,995 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 01:51:53,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 01:51:53,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 01:51:53,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 01:51:53,998 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 01:51:53,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 01:51:53,998 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 01:51:53,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 01:51:53,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 01:51:53,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 01:51:54,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 01:51:54,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 01:51:54,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 01:51:54,002 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 01:51:54,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 01:51:54,002 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 01:51:54,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 01:51:54,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 01:51:54,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 01:51:54,003 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 01:51:54,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 01:51:54,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:51:54,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 01:51:54,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 01:51:54,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 01:51:54,005 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 01:51:54,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 01:51:54,005 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 01:51:54,007 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 01:51:54,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 01:51:54,007 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 01:51:54,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 01:51:54,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 01:51:54,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 01:51:54,295 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 01:51:54,296 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 01:51:54,297 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix038_rmo.opt.i [2020-10-22 01:51:54,358 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31471bc34/23d181fe420343c19fc1230e9cfc65b6/FLAGcb29fbf91 [2020-10-22 01:51:54,808 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 01:51:54,809 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix038_rmo.opt.i [2020-10-22 01:51:54,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31471bc34/23d181fe420343c19fc1230e9cfc65b6/FLAGcb29fbf91 [2020-10-22 01:51:55,104 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31471bc34/23d181fe420343c19fc1230e9cfc65b6 [2020-10-22 01:51:55,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 01:51:55,118 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 01:51:55,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 01:51:55,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 01:51:55,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 01:51:55,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:51:55" (1/1) ... [2020-10-22 01:51:55,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@87206a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:51:55, skipping insertion in model container [2020-10-22 01:51:55,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:51:55" (1/1) ... [2020-10-22 01:51:55,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 01:51:55,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 01:51:55,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:51:55,737 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 01:51:55,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:51:55,882 INFO L208 MainTranslator]: Completed translation [2020-10-22 01:51:55,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:51:55 WrapperNode [2020-10-22 01:51:55,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 01:51:55,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 01:51:55,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 01:51:55,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 01:51:55,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:51:55" (1/1) ... [2020-10-22 01:51:55,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:51:55" (1/1) ... [2020-10-22 01:51:55,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 01:51:55,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 01:51:55,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 01:51:55,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 01:51:55,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:51:55" (1/1) ... [2020-10-22 01:51:55,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:51:55" (1/1) ... [2020-10-22 01:51:55,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:51:55" (1/1) ... [2020-10-22 01:51:55,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:51:55" (1/1) ... [2020-10-22 01:51:55,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:51:55" (1/1) ... [2020-10-22 01:51:55,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:51:55" (1/1) ... [2020-10-22 01:51:55,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:51:55" (1/1) ... [2020-10-22 01:51:55,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 01:51:55,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 01:51:55,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 01:51:55,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 01:51:55,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:51:55" (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 [2020-10-22 01:51:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 01:51:56,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 01:51:56,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 01:51:56,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 01:51:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-22 01:51:56,071 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-22 01:51:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-22 01:51:56,072 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-22 01:51:56,072 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-22 01:51:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-22 01:51:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 01:51:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 01:51:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 01:51:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 01:51:56,076 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 01:51:57,862 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 01:51:57,863 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-22 01:51:57,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:51:57 BoogieIcfgContainer [2020-10-22 01:51:57,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 01:51:57,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 01:51:57,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 01:51:57,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 01:51:57,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 01:51:55" (1/3) ... [2020-10-22 01:51:57,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49859f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:51:57, skipping insertion in model container [2020-10-22 01:51:57,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:51:55" (2/3) ... [2020-10-22 01:51:57,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49859f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:51:57, skipping insertion in model container [2020-10-22 01:51:57,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:51:57" (3/3) ... [2020-10-22 01:51:57,874 INFO L111 eAbstractionObserver]: Analyzing ICFG mix038_rmo.opt.i [2020-10-22 01:51:57,886 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 01:51:57,886 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 01:51:57,895 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-22 01:51:57,896 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 01:51:57,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,931 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,932 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,933 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,933 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,934 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,943 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,943 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,944 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,944 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,945 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,945 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,945 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,945 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,945 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,946 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,946 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,946 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,946 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,946 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,947 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,947 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,947 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,947 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,947 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,947 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,952 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,952 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,953 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,953 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,955 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,955 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,958 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,958 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,958 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,958 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,960 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,964 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,964 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,964 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,964 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,964 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,965 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,965 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,965 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,965 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,965 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,965 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,965 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,966 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,966 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:51:57,968 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 01:51:57,983 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-22 01:51:58,006 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:51:58,007 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:51:58,007 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:51:58,007 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:51:58,007 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:51:58,007 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:51:58,007 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:51:58,008 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:51:58,022 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:51:58,023 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 104 transitions, 223 flow [2020-10-22 01:51:58,026 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 104 transitions, 223 flow [2020-10-22 01:51:58,028 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 111 places, 104 transitions, 223 flow [2020-10-22 01:51:58,081 INFO L129 PetriNetUnfolder]: 3/101 cut-off events. [2020-10-22 01:51:58,081 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 01:51:58,086 INFO L80 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 101 events. 3/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 71 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2020-10-22 01:51:58,090 INFO L116 LiptonReduction]: Number of co-enabled transitions 1820 [2020-10-22 01:51:58,475 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-22 01:51:58,901 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-10-22 01:51:59,678 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-22 01:52:00,775 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-10-22 01:52:00,887 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-10-22 01:52:01,360 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2020-10-22 01:52:01,554 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-22 01:52:01,570 INFO L131 LiptonReduction]: Checked pairs total: 3939 [2020-10-22 01:52:01,570 INFO L133 LiptonReduction]: Total number of compositions: 94 [2020-10-22 01:52:01,577 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 25 transitions, 65 flow [2020-10-22 01:52:01,617 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 602 states. [2020-10-22 01:52:01,620 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states. [2020-10-22 01:52:01,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-22 01:52:01,627 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:52:01,628 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:52:01,628 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:52:01,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:52:01,634 INFO L82 PathProgramCache]: Analyzing trace with hash 2139777490, now seen corresponding path program 1 times [2020-10-22 01:52:01,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:52:01,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636610222] [2020-10-22 01:52:01,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:52:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:52:01,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:52:01,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636610222] [2020-10-22 01:52:01,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:52:01,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 01:52:01,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1860928769] [2020-10-22 01:52:01,915 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:52:01,918 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:52:01,933 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-22 01:52:01,933 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:52:01,937 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:52:01,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:52:01,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:52:01,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:52:01,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:52:01,955 INFO L87 Difference]: Start difference. First operand 602 states. Second operand 3 states. [2020-10-22 01:52:02,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:52:02,022 INFO L93 Difference]: Finished difference Result 522 states and 1600 transitions. [2020-10-22 01:52:02,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:52:02,024 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-22 01:52:02,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:52:02,041 INFO L225 Difference]: With dead ends: 522 [2020-10-22 01:52:02,041 INFO L226 Difference]: Without dead ends: 426 [2020-10-22 01:52:02,042 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:52:02,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2020-10-22 01:52:02,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2020-10-22 01:52:02,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-10-22 01:52:02,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 1280 transitions. [2020-10-22 01:52:02,142 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 1280 transitions. Word has length 7 [2020-10-22 01:52:02,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:52:02,143 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 1280 transitions. [2020-10-22 01:52:02,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:52:02,144 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1280 transitions. [2020-10-22 01:52:02,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 01:52:02,145 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:52:02,145 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:52:02,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 01:52:02,146 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:52:02,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:52:02,146 INFO L82 PathProgramCache]: Analyzing trace with hash -963114013, now seen corresponding path program 1 times [2020-10-22 01:52:02,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:52:02,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887056301] [2020-10-22 01:52:02,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:52:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:52:02,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:52:02,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887056301] [2020-10-22 01:52:02,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:52:02,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 01:52:02,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1923223146] [2020-10-22 01:52:02,257 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:52:02,258 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:52:02,260 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-22 01:52:02,260 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:52:02,260 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:52:02,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:52:02,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:52:02,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:52:02,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:52:02,263 INFO L87 Difference]: Start difference. First operand 426 states and 1280 transitions. Second operand 3 states. [2020-10-22 01:52:02,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:52:02,275 INFO L93 Difference]: Finished difference Result 414 states and 1234 transitions. [2020-10-22 01:52:02,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:52:02,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-22 01:52:02,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:52:02,281 INFO L225 Difference]: With dead ends: 414 [2020-10-22 01:52:02,281 INFO L226 Difference]: Without dead ends: 414 [2020-10-22 01:52:02,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:52:02,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2020-10-22 01:52:02,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2020-10-22 01:52:02,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2020-10-22 01:52:02,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 1234 transitions. [2020-10-22 01:52:02,317 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 1234 transitions. Word has length 9 [2020-10-22 01:52:02,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:52:02,317 INFO L481 AbstractCegarLoop]: Abstraction has 414 states and 1234 transitions. [2020-10-22 01:52:02,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:52:02,317 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 1234 transitions. [2020-10-22 01:52:02,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 01:52:02,319 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:52:02,319 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:52:02,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 01:52:02,319 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:52:02,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:52:02,320 INFO L82 PathProgramCache]: Analyzing trace with hash 208236106, now seen corresponding path program 1 times [2020-10-22 01:52:02,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:52:02,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684593596] [2020-10-22 01:52:02,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:52:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:52:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:52:02,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684593596] [2020-10-22 01:52:02,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:52:02,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 01:52:02,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1135667279] [2020-10-22 01:52:02,390 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:52:02,392 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:52:02,436 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 18 transitions. [2020-10-22 01:52:02,436 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:52:02,514 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:52:02,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:52:02,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:52:02,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:52:02,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:52:02,516 INFO L87 Difference]: Start difference. First operand 414 states and 1234 transitions. Second operand 3 states. [2020-10-22 01:52:02,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:52:02,526 INFO L93 Difference]: Finished difference Result 386 states and 1138 transitions. [2020-10-22 01:52:02,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:52:02,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-22 01:52:02,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:52:02,531 INFO L225 Difference]: With dead ends: 386 [2020-10-22 01:52:02,531 INFO L226 Difference]: Without dead ends: 386 [2020-10-22 01:52:02,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:52:02,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-10-22 01:52:02,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2020-10-22 01:52:02,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2020-10-22 01:52:02,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 1138 transitions. [2020-10-22 01:52:02,552 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 1138 transitions. Word has length 10 [2020-10-22 01:52:02,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:52:02,553 INFO L481 AbstractCegarLoop]: Abstraction has 386 states and 1138 transitions. [2020-10-22 01:52:02,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:52:02,553 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 1138 transitions. [2020-10-22 01:52:02,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-22 01:52:02,555 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:52:02,555 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:52:02,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 01:52:02,556 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:52:02,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:52:02,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1749150052, now seen corresponding path program 1 times [2020-10-22 01:52:02,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:52:02,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455072205] [2020-10-22 01:52:02,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:52:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:52:02,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:52:02,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455072205] [2020-10-22 01:52:02,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:52:02,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:52:02,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [585969850] [2020-10-22 01:52:02,678 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:52:02,680 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:52:02,683 INFO L252 McrAutomatonBuilder]: Finished intersection with 19 states and 24 transitions. [2020-10-22 01:52:02,684 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:52:02,744 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 01:52:02,783 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [5105#(not (= 3 ~__unbuffered_cnt~0))] [2020-10-22 01:52:02,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 01:52:02,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:52:02,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 01:52:02,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:52:02,784 INFO L87 Difference]: Start difference. First operand 386 states and 1138 transitions. Second operand 5 states. [2020-10-22 01:52:02,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:52:02,856 INFO L93 Difference]: Finished difference Result 268 states and 693 transitions. [2020-10-22 01:52:02,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 01:52:02,856 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-22 01:52:02,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:52:02,858 INFO L225 Difference]: With dead ends: 268 [2020-10-22 01:52:02,858 INFO L226 Difference]: Without dead ends: 172 [2020-10-22 01:52:02,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-22 01:52:02,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-10-22 01:52:02,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2020-10-22 01:52:02,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-10-22 01:52:02,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 385 transitions. [2020-10-22 01:52:02,864 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 385 transitions. Word has length 12 [2020-10-22 01:52:02,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:52:02,865 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 385 transitions. [2020-10-22 01:52:02,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 01:52:02,865 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 385 transitions. [2020-10-22 01:52:02,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 01:52:02,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:52:02,867 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:52:02,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 01:52:02,868 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:52:02,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:52:02,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1981789730, now seen corresponding path program 1 times [2020-10-22 01:52:02,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:52:02,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249607255] [2020-10-22 01:52:02,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:52:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:52:02,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:52:02,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249607255] [2020-10-22 01:52:02,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:52:02,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:52:02,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1524514088] [2020-10-22 01:52:02,929 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:52:02,933 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:52:02,942 INFO L252 McrAutomatonBuilder]: Finished intersection with 40 states and 61 transitions. [2020-10-22 01:52:02,942 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:52:03,171 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:52:03,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:52:03,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:52:03,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:52:03,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:52:03,172 INFO L87 Difference]: Start difference. First operand 172 states and 385 transitions. Second operand 3 states. [2020-10-22 01:52:03,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:52:03,184 INFO L93 Difference]: Finished difference Result 239 states and 516 transitions. [2020-10-22 01:52:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:52:03,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-22 01:52:03,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:52:03,187 INFO L225 Difference]: With dead ends: 239 [2020-10-22 01:52:03,187 INFO L226 Difference]: Without dead ends: 173 [2020-10-22 01:52:03,188 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:52:03,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-22 01:52:03,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 171. [2020-10-22 01:52:03,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-10-22 01:52:03,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 357 transitions. [2020-10-22 01:52:03,199 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 357 transitions. Word has length 17 [2020-10-22 01:52:03,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:52:03,207 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 357 transitions. [2020-10-22 01:52:03,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:52:03,207 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 357 transitions. [2020-10-22 01:52:03,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 01:52:03,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:52:03,212 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:52:03,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 01:52:03,212 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:52:03,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:52:03,213 INFO L82 PathProgramCache]: Analyzing trace with hash -502219715, now seen corresponding path program 1 times [2020-10-22 01:52:03,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:52:03,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382274633] [2020-10-22 01:52:03,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:52:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:52:03,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:52:03,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382274633] [2020-10-22 01:52:03,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:52:03,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 01:52:03,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [28736093] [2020-10-22 01:52:03,403 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:52:03,407 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:52:03,427 INFO L252 McrAutomatonBuilder]: Finished intersection with 65 states and 119 transitions. [2020-10-22 01:52:03,428 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:52:04,199 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-22 01:52:04,543 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [6312#(<= ~__unbuffered_cnt~0 0)] [2020-10-22 01:52:04,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 01:52:04,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:52:04,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 01:52:04,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-22 01:52:04,545 INFO L87 Difference]: Start difference. First operand 171 states and 357 transitions. Second operand 7 states. [2020-10-22 01:52:04,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:52:04,614 INFO L93 Difference]: Finished difference Result 153 states and 320 transitions. [2020-10-22 01:52:04,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 01:52:04,614 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-10-22 01:52:04,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:52:04,616 INFO L225 Difference]: With dead ends: 153 [2020-10-22 01:52:04,616 INFO L226 Difference]: Without dead ends: 93 [2020-10-22 01:52:04,617 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-22 01:52:04,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-22 01:52:04,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-10-22 01:52:04,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-22 01:52:04,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 185 transitions. [2020-10-22 01:52:04,621 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 185 transitions. Word has length 17 [2020-10-22 01:52:04,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:52:04,621 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 185 transitions. [2020-10-22 01:52:04,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 01:52:04,622 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 185 transitions. [2020-10-22 01:52:04,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-22 01:52:04,623 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:52:04,623 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:52:04,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 01:52:04,623 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:52:04,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:52:04,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1184912705, now seen corresponding path program 1 times [2020-10-22 01:52:04,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:52:04,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172001804] [2020-10-22 01:52:04,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:52:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:52:04,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:52:04,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172001804] [2020-10-22 01:52:04,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:52:04,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:52:04,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2144951902] [2020-10-22 01:52:04,714 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:52:04,718 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:52:04,739 INFO L252 McrAutomatonBuilder]: Finished intersection with 72 states and 130 transitions. [2020-10-22 01:52:04,740 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:52:05,321 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-22 01:52:05,803 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:52:05,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 01:52:05,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:52:05,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 01:52:05,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:52:05,804 INFO L87 Difference]: Start difference. First operand 93 states and 185 transitions. Second operand 4 states. [2020-10-22 01:52:05,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:52:05,821 INFO L93 Difference]: Finished difference Result 122 states and 238 transitions. [2020-10-22 01:52:05,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 01:52:05,821 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-10-22 01:52:05,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:52:05,822 INFO L225 Difference]: With dead ends: 122 [2020-10-22 01:52:05,822 INFO L226 Difference]: Without dead ends: 42 [2020-10-22 01:52:05,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:52:05,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-22 01:52:05,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-22 01:52:05,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-22 01:52:05,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 68 transitions. [2020-10-22 01:52:05,825 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 68 transitions. Word has length 20 [2020-10-22 01:52:05,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:52:05,825 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 68 transitions. [2020-10-22 01:52:05,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 01:52:05,825 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2020-10-22 01:52:05,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-22 01:52:05,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:52:05,826 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:52:05,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 01:52:05,826 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:52:05,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:52:05,827 INFO L82 PathProgramCache]: Analyzing trace with hash 171128325, now seen corresponding path program 2 times [2020-10-22 01:52:05,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:52:05,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129152307] [2020-10-22 01:52:05,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:52:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:52:06,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:52:06,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129152307] [2020-10-22 01:52:06,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:52:06,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 01:52:06,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [84757417] [2020-10-22 01:52:06,003 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:52:06,007 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:52:06,021 INFO L252 McrAutomatonBuilder]: Finished intersection with 41 states and 60 transitions. [2020-10-22 01:52:06,021 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:52:06,236 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 23 [2020-10-22 01:52:06,328 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 3, 2, 2, 1] term [2020-10-22 01:52:06,329 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:52:06,330 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 2, 3, 1] term [2020-10-22 01:52:06,330 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:52:06,332 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-22 01:52:06,332 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:52:06,334 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 3, 3, 2, 3, 2, 3, 1] term [2020-10-22 01:52:06,335 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-22 01:52:06,336 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:52:06,342 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 01:52:06,345 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 01:52:06,348 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 01:52:06,353 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-22 01:52:06,354 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-10-22 01:52:06,357 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 01:52:06,361 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 01:52:06,364 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 01:52:06,367 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 01:52:06,372 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:52:06,375 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:52:06,380 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-10-22 01:52:06,382 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 01:52:06,386 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 01:52:06,388 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 01:52:06,391 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 01:52:06,395 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:52:06,398 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:52:06,403 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 3, 4, 3, 3, 2, 1] term [2020-10-22 01:52:06,404 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:52:06,657 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 37 [2020-10-22 01:52:06,761 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 36 [2020-10-22 01:52:06,881 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [6871#(and (or (= (mod ~y$w_buff0_used~0 256) 0) (not (= ~y$w_buff0~0 0))) (or (and (not (= 0 (mod ~y$r_buff0_thd3~0 256))) (not (= (mod ~y$w_buff0_used~0 256) 0))) (and (not (= ~y$w_buff0_used~0 1)) (or (and (= ~y$w_buff0~0 1) (< 0 (+ (div ~y$w_buff1_used~0 256) 1))) (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))) (= (mod ~y$w_buff1_used~0 256) 0) (not (= ~y~0 0)))))] [2020-10-22 01:52:06,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-22 01:52:06,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:52:06,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-22 01:52:06,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-22 01:52:06,883 INFO L87 Difference]: Start difference. First operand 42 states and 68 transitions. Second operand 6 states. [2020-10-22 01:52:06,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:52:06,969 INFO L93 Difference]: Finished difference Result 52 states and 82 transitions. [2020-10-22 01:52:06,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 01:52:06,970 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-10-22 01:52:06,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:52:06,971 INFO L225 Difference]: With dead ends: 52 [2020-10-22 01:52:06,971 INFO L226 Difference]: Without dead ends: 30 [2020-10-22 01:52:06,971 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-22 01:52:06,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-22 01:52:06,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-22 01:52:06,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-22 01:52:06,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2020-10-22 01:52:06,973 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 20 [2020-10-22 01:52:06,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:52:06,973 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2020-10-22 01:52:06,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-22 01:52:06,973 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2020-10-22 01:52:06,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-22 01:52:06,974 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:52:06,974 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:52:06,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-22 01:52:06,974 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:52:06,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:52:06,974 INFO L82 PathProgramCache]: Analyzing trace with hash -205064801, now seen corresponding path program 3 times [2020-10-22 01:52:06,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:52:06,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264445978] [2020-10-22 01:52:06,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:52:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 01:52:07,010 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 01:52:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 01:52:07,053 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 01:52:07,097 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 01:52:07,097 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 01:52:07,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-22 01:52:07,099 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-22 01:52:07,119 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [871] [871] L2-->L849: Formula: (let ((.cse7 (= (mod ~y$w_buff1_used~0_In-966379692 256) 0)) (.cse6 (= (mod ~y$r_buff1_thd0~0_In-966379692 256) 0)) (.cse8 (= (mod ~y$w_buff0_used~0_In-966379692 256) 0)) (.cse9 (= (mod ~y$r_buff0_thd0~0_In-966379692 256) 0))) (let ((.cse1 (not .cse9)) (.cse2 (not .cse8)) (.cse0 (or .cse8 .cse9)) (.cse4 (not .cse6)) (.cse5 (not .cse7)) (.cse3 (or .cse6 .cse7))) (and (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out-966379692 0)) (or (and .cse0 (= ~y$w_buff0_used~0_Out-966379692 ~y$w_buff0_used~0_In-966379692)) (and .cse1 (= ~y$w_buff0_used~0_Out-966379692 0) .cse2)) (or (and (= ~y~0_Out-966379692 ~y$w_buff0~0_In-966379692) .cse1 .cse2) (and (or (and .cse3 (= ~y~0_Out-966379692 ~y~0_In-966379692)) (and .cse4 .cse5 (= ~y~0_Out-966379692 ~y$w_buff1~0_In-966379692))) .cse0)) (= ~y$r_buff1_thd0~0_Out-966379692 ~y$r_buff1_thd0~0_In-966379692) (= ULTIMATE.start_assume_abort_if_not_~cond_Out-966379692 |ULTIMATE.start_assume_abort_if_not_#in~cond_In-966379692|) (or (and .cse4 .cse5 (= ~y$w_buff1_used~0_Out-966379692 0)) (and .cse3 (= ~y$w_buff1_used~0_Out-966379692 ~y$w_buff1_used~0_In-966379692))) (= ~y$r_buff0_thd0~0_In-966379692 ~y$r_buff0_thd0~0_Out-966379692)))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-966379692|, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-966379692, ~y$w_buff1~0=~y$w_buff1~0_In-966379692, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-966379692, ~y$w_buff0~0=~y$w_buff0~0_In-966379692, ~y~0=~y~0_In-966379692, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-966379692, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-966379692} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_Out-966379692, ULTIMATE.start_main_#t~ite39=|ULTIMATE.start_main_#t~ite39_Out-966379692|, ULTIMATE.start_main_#t~ite38=|ULTIMATE.start_main_#t~ite38_Out-966379692|, ULTIMATE.start_main_#t~ite37=|ULTIMATE.start_main_#t~ite37_Out-966379692|, ULTIMATE.start_main_#t~ite42=|ULTIMATE.start_main_#t~ite42_Out-966379692|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-966379692|, ULTIMATE.start_main_#t~ite41=|ULTIMATE.start_main_#t~ite41_Out-966379692|, ULTIMATE.start_main_#t~ite40=|ULTIMATE.start_main_#t~ite40_Out-966379692|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-966379692, ~y$w_buff1~0=~y$w_buff1~0_In-966379692, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_Out-966379692, ~y$w_buff0~0=~y$w_buff0~0_In-966379692, ~y~0=~y~0_Out-966379692, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_Out-966379692, ~y$w_buff1_used~0=~y$w_buff1_used~0_Out-966379692} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#t~ite40, ULTIMATE.start_assume_abort_if_not_~cond, ~y$w_buff0_used~0, ULTIMATE.start_main_#t~ite39, ~y$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite38, ULTIMATE.start_main_#t~ite37, ~y~0, ULTIMATE.start_main_#t~ite42, ~y$r_buff1_thd0~0, ~y$w_buff1_used~0] because there is no mapped edge [2020-10-22 01:52:07,125 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:52:07,126 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:52:07,126 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:52:07,126 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [789] [2020-10-22 01:52:07,128 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:52:07,128 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:52:07,128 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:52:07,128 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:52:07,129 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:52:07,129 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:52:07,129 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:52:07,129 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:52:07,129 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:52:07,130 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:52:07,130 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:52:07,130 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:52:07,130 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:52:07,130 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:52:07,130 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:52:07,131 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:52:07,131 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:52:07,131 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:52:07,131 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:52:07,131 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:52:07,131 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:52:07,132 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:52:07,132 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:52:07,132 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:52:07,132 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:52:07,132 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:52:07,133 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:52:07,133 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:52:07,133 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:52:07,134 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:52:07,134 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:52:07,134 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:52:07,134 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:52:07,134 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:52:07,134 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:52:07,134 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:52:07,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 01:52:07 BasicIcfg [2020-10-22 01:52:07,193 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 01:52:07,195 INFO L168 Benchmark]: Toolchain (without parser) took 12080.87 ms. Allocated memory was 140.5 MB in the beginning and 347.1 MB in the end (delta: 206.6 MB). Free memory was 102.4 MB in the beginning and 229.2 MB in the end (delta: -126.8 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. [2020-10-22 01:52:07,196 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-22 01:52:07,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.07 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 101.3 MB in the beginning and 157.5 MB in the end (delta: -56.2 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2020-10-22 01:52:07,197 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.59 ms. Allocated memory is still 203.9 MB. Free memory was 157.5 MB in the beginning and 154.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-22 01:52:07,198 INFO L168 Benchmark]: Boogie Preprocessor took 40.62 ms. Allocated memory is still 203.9 MB. Free memory was 154.9 MB in the beginning and 152.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-22 01:52:07,199 INFO L168 Benchmark]: RCFGBuilder took 1877.95 ms. Allocated memory was 203.9 MB in the beginning and 245.4 MB in the end (delta: 41.4 MB). Free memory was 152.2 MB in the beginning and 206.4 MB in the end (delta: -54.1 MB). Peak memory consumption was 99.8 MB. Max. memory is 7.1 GB. [2020-10-22 01:52:07,200 INFO L168 Benchmark]: TraceAbstraction took 9327.45 ms. Allocated memory was 245.4 MB in the beginning and 347.1 MB in the end (delta: 101.7 MB). Free memory was 206.4 MB in the beginning and 229.2 MB in the end (delta: -22.8 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. [2020-10-22 01:52:07,204 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 764.07 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 101.3 MB in the beginning and 157.5 MB in the end (delta: -56.2 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 62.59 ms. Allocated memory is still 203.9 MB. Free memory was 157.5 MB in the beginning and 154.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.62 ms. Allocated memory is still 203.9 MB. Free memory was 154.9 MB in the beginning and 152.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1877.95 ms. Allocated memory was 203.9 MB in the beginning and 245.4 MB in the end (delta: 41.4 MB). Free memory was 152.2 MB in the beginning and 206.4 MB in the end (delta: -54.1 MB). Peak memory consumption was 99.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9327.45 ms. Allocated memory was 245.4 MB in the beginning and 347.1 MB in the end (delta: 101.7 MB). Free memory was 206.4 MB in the beginning and 229.2 MB in the end (delta: -22.8 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 956 VarBasedMoverChecksPositive, 29 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 61 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.5s, 111 PlacesBefore, 35 PlacesAfterwards, 104 TransitionsBefore, 25 TransitionsAfterwards, 1820 CoEnabledTransitionPairs, 6 FixpointIterations, 38 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 3 ChoiceCompositions, 94 TotalNumberOfCompositions, 3939 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p1_EAX = 0; [L713] 0 int __unbuffered_p2_EAX = 0; [L715] 0 int __unbuffered_p2_EBX = 0; [L717] 0 int a = 0; [L718] 0 _Bool main$tmp_guard0; [L719] 0 _Bool main$tmp_guard1; [L721] 0 int x = 0; [L723] 0 int y = 0; [L724] 0 _Bool y$flush_delayed; [L725] 0 int y$mem_tmp; [L726] 0 _Bool y$r_buff0_thd0; [L727] 0 _Bool y$r_buff0_thd1; [L728] 0 _Bool y$r_buff0_thd2; [L729] 0 _Bool y$r_buff0_thd3; [L730] 0 _Bool y$r_buff1_thd0; [L731] 0 _Bool y$r_buff1_thd1; [L732] 0 _Bool y$r_buff1_thd2; [L733] 0 _Bool y$r_buff1_thd3; [L734] 0 _Bool y$read_delayed; [L735] 0 int *y$read_delayed_var; [L736] 0 int y$w_buff0; [L737] 0 _Bool y$w_buff0_used; [L738] 0 int y$w_buff1; [L739] 0 _Bool y$w_buff1_used; [L741] 0 int z = 0; [L742] 0 _Bool weak$$choice0; [L743] 0 _Bool weak$$choice2; [L833] 0 pthread_t t1016; [L834] FCALL, FORK 0 pthread_create(&t1016, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L835] 0 pthread_t t1017; [L836] FCALL, FORK 0 pthread_create(&t1017, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L837] 0 pthread_t t1018; [L838] FCALL, FORK 0 pthread_create(&t1018, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L790] 3 y$w_buff1 = y$w_buff0 [L791] 3 y$w_buff0 = 1 [L792] 3 y$w_buff1_used = y$w_buff0_used [L793] 3 y$w_buff0_used = (_Bool)1 [L18] COND TRUE 3 !expression [L17] COND FALSE 3 !(0) [L17] 3 __assert_fail ("0", "mix038_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) [L795] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L796] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L797] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L798] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L799] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L802] 3 z = 1 [L805] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L808] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L747] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L750] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L755] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L757] 1 return 0; [L762] 2 x = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L765] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L766] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L767] 2 y$flush_delayed = weak$$choice2 [L768] 2 y$mem_tmp = y [L769] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L769] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L770] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L770] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L770] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L770] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L771] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L771] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L771] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L771] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L772] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L772] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L772] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L772] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L773] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0 [L773] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L773] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L774] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L774] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L775] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L775] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L776] 2 __unbuffered_p1_EAX = y [L777] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L777] 2 y = y$flush_delayed ? y$mem_tmp : y [L778] 2 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L785] 2 return 0; [L811] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L811] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L812] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L812] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L813] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L813] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L814] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L814] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L815] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L815] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L820] 3 return 0; [L840] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L851] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix038_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 102 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.0s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.6s, HoareTripleCheckerStatistics: 196 SDtfs, 138 SDslu, 277 SDs, 0 SdLazy, 107 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 110 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=602occurred 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, 8 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 6834 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 incorrect! Received shutdown request...