/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-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe024_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 00:38:09,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 00:38:09,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 00:38:09,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 00:38:09,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 00:38:09,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 00:38:09,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 00:38:09,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 00:38:09,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 00:38:09,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 00:38:09,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 00:38:09,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 00:38:09,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 00:38:09,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 00:38:09,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 00:38:09,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 00:38:09,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 00:38:09,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 00:38:09,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 00:38:09,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 00:38:09,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 00:38:09,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 00:38:09,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 00:38:09,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 00:38:09,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 00:38:09,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 00:38:09,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 00:38:09,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 00:38:09,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 00:38:09,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 00:38:09,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 00:38:09,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 00:38:09,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 00:38:09,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 00:38:09,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 00:38:09,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 00:38:09,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 00:38:09,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 00:38:09,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 00:38:09,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 00:38:09,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 00:38:09,941 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-WP.epf [2020-10-22 00:38:09,990 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 00:38:09,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 00:38:09,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 00:38:09,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 00:38:09,993 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 00:38:09,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 00:38:09,994 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 00:38:09,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 00:38:09,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 00:38:09,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 00:38:09,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 00:38:09,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 00:38:09,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 00:38:09,995 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 00:38:09,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 00:38:09,996 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 00:38:09,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 00:38:09,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 00:38:09,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 00:38:09,997 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 00:38:09,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 00:38:09,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 00:38:09,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 00:38:09,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 00:38:09,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 00:38:09,998 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 00:38:09,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 00:38:09,999 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 00:38:09,999 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 00:38:09,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 00:38:09,999 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 00:38:10,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 00:38:10,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 00:38:10,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 00:38:10,320 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 00:38:10,320 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 00:38:10,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe024_pso.oepc.i [2020-10-22 00:38:10,390 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff711acea/76685378142943098b24efc7b216196b/FLAG4dcd857b5 [2020-10-22 00:38:10,991 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 00:38:10,992 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe024_pso.oepc.i [2020-10-22 00:38:11,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff711acea/76685378142943098b24efc7b216196b/FLAG4dcd857b5 [2020-10-22 00:38:11,187 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff711acea/76685378142943098b24efc7b216196b [2020-10-22 00:38:11,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 00:38:11,203 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 00:38:11,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 00:38:11,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 00:38:11,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 00:38:11,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:38:11" (1/1) ... [2020-10-22 00:38:11,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d1a9b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:38:11, skipping insertion in model container [2020-10-22 00:38:11,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:38:11" (1/1) ... [2020-10-22 00:38:11,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 00:38:11,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 00:38:11,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:38:11,803 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 00:38:11,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:38:11,954 INFO L208 MainTranslator]: Completed translation [2020-10-22 00:38:11,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:38:11 WrapperNode [2020-10-22 00:38:11,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 00:38:11,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 00:38:11,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 00:38:11,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 00:38:11,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:38:11" (1/1) ... [2020-10-22 00:38:11,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:38:11" (1/1) ... [2020-10-22 00:38:12,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 00:38:12,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 00:38:12,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 00:38:12,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 00:38:12,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:38:11" (1/1) ... [2020-10-22 00:38:12,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:38:11" (1/1) ... [2020-10-22 00:38:12,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:38:11" (1/1) ... [2020-10-22 00:38:12,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:38:11" (1/1) ... [2020-10-22 00:38:12,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:38:11" (1/1) ... [2020-10-22 00:38:12,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:38:11" (1/1) ... [2020-10-22 00:38:12,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:38:11" (1/1) ... [2020-10-22 00:38:12,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 00:38:12,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 00:38:12,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 00:38:12,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 00:38:12,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:38:11" (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 00:38:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 00:38:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 00:38:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 00:38:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 00:38:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-22 00:38:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-22 00:38:12,145 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-22 00:38:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-22 00:38:12,145 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-22 00:38:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-22 00:38:12,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 00:38:12,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 00:38:12,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 00:38:12,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 00:38:12,148 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 00:38:14,021 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 00:38:14,021 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-22 00:38:14,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:38:14 BoogieIcfgContainer [2020-10-22 00:38:14,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 00:38:14,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 00:38:14,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 00:38:14,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 00:38:14,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 12:38:11" (1/3) ... [2020-10-22 00:38:14,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b16e61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:38:14, skipping insertion in model container [2020-10-22 00:38:14,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:38:11" (2/3) ... [2020-10-22 00:38:14,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b16e61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:38:14, skipping insertion in model container [2020-10-22 00:38:14,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:38:14" (3/3) ... [2020-10-22 00:38:14,034 INFO L111 eAbstractionObserver]: Analyzing ICFG safe024_pso.oepc.i [2020-10-22 00:38:14,045 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 00:38:14,046 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 00:38:14,054 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-22 00:38:14,055 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 00:38:14,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,088 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,088 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,093 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,093 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,093 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,093 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,093 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,099 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,099 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,099 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,101 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,104 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,104 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,106 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,106 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,111 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,111 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,111 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,111 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,112 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,112 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,112 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,112 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,112 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,113 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,119 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,119 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,119 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,120 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,120 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,120 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,120 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,120 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,121 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,121 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,121 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,121 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,121 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,122 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,122 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,122 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,122 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,123 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,123 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,123 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,123 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,123 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,124 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,124 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,124 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,124 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,124 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,126 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,127 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,127 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,127 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,127 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,127 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,127 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,128 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,128 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:38:14,130 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 00:38:14,144 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-22 00:38:14,166 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 00:38:14,166 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 00:38:14,167 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 00:38:14,167 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 00:38:14,167 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 00:38:14,167 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 00:38:14,167 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 00:38:14,167 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 00:38:14,182 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 00:38:14,182 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 102 transitions, 219 flow [2020-10-22 00:38:14,185 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 102 transitions, 219 flow [2020-10-22 00:38:14,188 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 109 places, 102 transitions, 219 flow [2020-10-22 00:38:14,238 INFO L129 PetriNetUnfolder]: 3/99 cut-off events. [2020-10-22 00:38:14,239 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 00:38:14,244 INFO L80 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 3/99 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. 0/94 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2020-10-22 00:38:14,248 INFO L116 LiptonReduction]: Number of co-enabled transitions 1754 [2020-10-22 00:38:14,981 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-22 00:38:15,870 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-22 00:38:15,977 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-22 00:38:17,327 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-10-22 00:38:17,499 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-22 00:38:17,506 INFO L131 LiptonReduction]: Checked pairs total: 4375 [2020-10-22 00:38:17,507 INFO L133 LiptonReduction]: Total number of compositions: 88 [2020-10-22 00:38:17,513 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 28 transitions, 71 flow [2020-10-22 00:38:17,568 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 898 states. [2020-10-22 00:38:17,570 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states. [2020-10-22 00:38:17,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-22 00:38:17,577 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:38:17,578 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-22 00:38:17,578 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:38:17,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:38:17,585 INFO L82 PathProgramCache]: Analyzing trace with hash 961134289, now seen corresponding path program 1 times [2020-10-22 00:38:17,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:38:17,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975722495] [2020-10-22 00:38:17,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:38:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:38:17,862 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 00:38:17,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975722495] [2020-10-22 00:38:17,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:38:17,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 00:38:17,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1590051632] [2020-10-22 00:38:17,866 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:38:17,869 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:38:17,883 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-22 00:38:17,883 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:38:17,888 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:38:17,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 00:38:17,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:38:17,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 00:38:17,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:38:17,905 INFO L87 Difference]: Start difference. First operand 898 states. Second operand 3 states. [2020-10-22 00:38:17,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:38:17,990 INFO L93 Difference]: Finished difference Result 750 states and 2363 transitions. [2020-10-22 00:38:17,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 00:38:17,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-22 00:38:17,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:38:18,015 INFO L225 Difference]: With dead ends: 750 [2020-10-22 00:38:18,016 INFO L226 Difference]: Without dead ends: 550 [2020-10-22 00:38:18,017 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 00:38:18,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2020-10-22 00:38:18,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 550. [2020-10-22 00:38:18,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 550 states. [2020-10-22 00:38:18,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 1693 transitions. [2020-10-22 00:38:18,137 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 1693 transitions. Word has length 5 [2020-10-22 00:38:18,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:38:18,138 INFO L481 AbstractCegarLoop]: Abstraction has 550 states and 1693 transitions. [2020-10-22 00:38:18,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 00:38:18,138 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 1693 transitions. [2020-10-22 00:38:18,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 00:38:18,141 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:38:18,141 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:38:18,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 00:38:18,141 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:38:18,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:38:18,143 INFO L82 PathProgramCache]: Analyzing trace with hash 682490224, now seen corresponding path program 1 times [2020-10-22 00:38:18,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:38:18,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513350029] [2020-10-22 00:38:18,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:38:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:38:18,350 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 00:38:18,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513350029] [2020-10-22 00:38:18,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:38:18,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 00:38:18,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1907136488] [2020-10-22 00:38:18,352 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:38:18,353 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:38:18,355 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-22 00:38:18,355 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:38:18,356 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:38:18,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 00:38:18,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:38:18,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 00:38:18,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:38:18,358 INFO L87 Difference]: Start difference. First operand 550 states and 1693 transitions. Second operand 5 states. [2020-10-22 00:38:18,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:38:18,449 INFO L93 Difference]: Finished difference Result 610 states and 1806 transitions. [2020-10-22 00:38:18,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 00:38:18,450 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-22 00:38:18,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:38:18,455 INFO L225 Difference]: With dead ends: 610 [2020-10-22 00:38:18,456 INFO L226 Difference]: Without dead ends: 510 [2020-10-22 00:38:18,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-22 00:38:18,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2020-10-22 00:38:18,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2020-10-22 00:38:18,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2020-10-22 00:38:18,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 1551 transitions. [2020-10-22 00:38:18,480 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 1551 transitions. Word has length 10 [2020-10-22 00:38:18,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:38:18,481 INFO L481 AbstractCegarLoop]: Abstraction has 510 states and 1551 transitions. [2020-10-22 00:38:18,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 00:38:18,481 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1551 transitions. [2020-10-22 00:38:18,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 00:38:18,483 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:38:18,483 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:38:18,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 00:38:18,484 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:38:18,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:38:18,484 INFO L82 PathProgramCache]: Analyzing trace with hash -301399336, now seen corresponding path program 1 times [2020-10-22 00:38:18,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:38:18,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037416472] [2020-10-22 00:38:18,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:38:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:38:18,668 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 00:38:18,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037416472] [2020-10-22 00:38:18,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:38:18,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 00:38:18,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [478210954] [2020-10-22 00:38:18,670 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:38:18,671 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:38:18,673 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 15 transitions. [2020-10-22 00:38:18,674 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:38:18,705 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [5406#(not (= ~y~0 1))] [2020-10-22 00:38:18,706 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 00:38:18,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:38:18,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 00:38:18,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-22 00:38:18,707 INFO L87 Difference]: Start difference. First operand 510 states and 1551 transitions. Second operand 7 states. [2020-10-22 00:38:18,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:38:18,910 INFO L93 Difference]: Finished difference Result 670 states and 1999 transitions. [2020-10-22 00:38:18,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-22 00:38:18,912 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2020-10-22 00:38:18,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:38:18,916 INFO L225 Difference]: With dead ends: 670 [2020-10-22 00:38:18,917 INFO L226 Difference]: Without dead ends: 350 [2020-10-22 00:38:18,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-10-22 00:38:18,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-10-22 00:38:18,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2020-10-22 00:38:18,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-10-22 00:38:18,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 999 transitions. [2020-10-22 00:38:18,930 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 999 transitions. Word has length 11 [2020-10-22 00:38:18,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:38:18,930 INFO L481 AbstractCegarLoop]: Abstraction has 350 states and 999 transitions. [2020-10-22 00:38:18,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 00:38:18,931 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 999 transitions. [2020-10-22 00:38:18,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 00:38:18,933 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:38:18,933 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:38:18,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 00:38:18,934 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:38:18,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:38:18,934 INFO L82 PathProgramCache]: Analyzing trace with hash 2103049899, now seen corresponding path program 1 times [2020-10-22 00:38:18,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:38:18,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32231105] [2020-10-22 00:38:18,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:38:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:38:19,020 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 00:38:19,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32231105] [2020-10-22 00:38:19,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:38:19,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 00:38:19,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1045371246] [2020-10-22 00:38:19,022 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:38:19,023 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:38:19,027 INFO L252 McrAutomatonBuilder]: Finished intersection with 23 states and 31 transitions. [2020-10-22 00:38:19,027 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:38:19,119 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:38:19,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:38:19,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:38:19,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:38:19,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:38:19,120 INFO L87 Difference]: Start difference. First operand 350 states and 999 transitions. Second operand 4 states. [2020-10-22 00:38:19,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:38:19,147 INFO L93 Difference]: Finished difference Result 322 states and 804 transitions. [2020-10-22 00:38:19,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 00:38:19,147 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-22 00:38:19,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:38:19,149 INFO L225 Difference]: With dead ends: 322 [2020-10-22 00:38:19,149 INFO L226 Difference]: Without dead ends: 254 [2020-10-22 00:38:19,150 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 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 00:38:19,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-10-22 00:38:19,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2020-10-22 00:38:19,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-10-22 00:38:19,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 627 transitions. [2020-10-22 00:38:19,157 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 627 transitions. Word has length 13 [2020-10-22 00:38:19,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:38:19,158 INFO L481 AbstractCegarLoop]: Abstraction has 254 states and 627 transitions. [2020-10-22 00:38:19,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:38:19,158 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 627 transitions. [2020-10-22 00:38:19,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-22 00:38:19,159 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:38:19,159 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:38:19,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 00:38:19,160 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:38:19,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:38:19,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1377424233, now seen corresponding path program 1 times [2020-10-22 00:38:19,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:38:19,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792643358] [2020-10-22 00:38:19,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:38:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:38:19,283 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 00:38:19,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792643358] [2020-10-22 00:38:19,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:38:19,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 00:38:19,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2058788152] [2020-10-22 00:38:19,284 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:38:19,287 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:38:19,292 INFO L252 McrAutomatonBuilder]: Finished intersection with 28 states and 39 transitions. [2020-10-22 00:38:19,292 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:38:19,541 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:38:19,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 00:38:19,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:38:19,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 00:38:19,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:38:19,544 INFO L87 Difference]: Start difference. First operand 254 states and 627 transitions. Second operand 5 states. [2020-10-22 00:38:19,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:38:19,601 INFO L93 Difference]: Finished difference Result 194 states and 428 transitions. [2020-10-22 00:38:19,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 00:38:19,603 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-22 00:38:19,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:38:19,610 INFO L225 Difference]: With dead ends: 194 [2020-10-22 00:38:19,610 INFO L226 Difference]: Without dead ends: 156 [2020-10-22 00:38:19,610 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-22 00:38:19,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-10-22 00:38:19,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2020-10-22 00:38:19,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-10-22 00:38:19,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 337 transitions. [2020-10-22 00:38:19,618 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 337 transitions. Word has length 15 [2020-10-22 00:38:19,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:38:19,622 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 337 transitions. [2020-10-22 00:38:19,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 00:38:19,622 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 337 transitions. [2020-10-22 00:38:19,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-22 00:38:19,623 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:38:19,624 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:38:19,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 00:38:19,624 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:38:19,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:38:19,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1727629798, now seen corresponding path program 1 times [2020-10-22 00:38:19,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:38:19,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344950652] [2020-10-22 00:38:19,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:38:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:38:19,820 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 00:38:19,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344950652] [2020-10-22 00:38:19,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:38:19,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 00:38:19,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1640284163] [2020-10-22 00:38:19,822 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:38:19,826 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:38:19,842 INFO L252 McrAutomatonBuilder]: Finished intersection with 54 states and 95 transitions. [2020-10-22 00:38:19,842 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:38:22,174 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 214 [2020-10-22 00:38:22,826 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 3 [2020-10-22 00:38:22,897 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [8146#(<= ~__unbuffered_cnt~0 0)] [2020-10-22 00:38:22,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 00:38:22,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:38:22,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 00:38:22,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-22 00:38:22,899 INFO L87 Difference]: Start difference. First operand 156 states and 337 transitions. Second operand 7 states. [2020-10-22 00:38:22,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:38:22,963 INFO L93 Difference]: Finished difference Result 132 states and 287 transitions. [2020-10-22 00:38:22,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 00:38:22,964 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-22 00:38:22,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:38:22,965 INFO L225 Difference]: With dead ends: 132 [2020-10-22 00:38:22,965 INFO L226 Difference]: Without dead ends: 122 [2020-10-22 00:38:22,965 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-22 00:38:22,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-22 00:38:22,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-10-22 00:38:22,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-22 00:38:22,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 269 transitions. [2020-10-22 00:38:22,969 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 269 transitions. Word has length 18 [2020-10-22 00:38:22,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:38:22,970 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 269 transitions. [2020-10-22 00:38:22,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 00:38:22,970 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 269 transitions. [2020-10-22 00:38:22,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-22 00:38:22,971 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:38:22,971 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, 1] [2020-10-22 00:38:22,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 00:38:22,971 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:38:22,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:38:22,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1971665920, now seen corresponding path program 1 times [2020-10-22 00:38:22,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:38:22,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608847839] [2020-10-22 00:38:22,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:38:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:38:23,191 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 00:38:23,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608847839] [2020-10-22 00:38:23,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:38:23,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-22 00:38:23,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [159455106] [2020-10-22 00:38:23,193 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:38:23,198 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:38:23,216 INFO L252 McrAutomatonBuilder]: Finished intersection with 49 states and 79 transitions. [2020-10-22 00:38:23,217 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:38:23,895 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 7 [2020-10-22 00:38:24,631 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 7 [2020-10-22 00:38:24,717 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [8539#(and (= ~__unbuffered_p2_EBX~0 1) (<= ~__unbuffered_cnt~0 0) (<= 0 ~__unbuffered_cnt~0))] [2020-10-22 00:38:24,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-22 00:38:24,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:38:24,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-22 00:38:24,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-22 00:38:24,719 INFO L87 Difference]: Start difference. First operand 122 states and 269 transitions. Second operand 11 states. [2020-10-22 00:38:24,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:38:24,916 INFO L93 Difference]: Finished difference Result 168 states and 358 transitions. [2020-10-22 00:38:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-22 00:38:24,917 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-10-22 00:38:24,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:38:24,918 INFO L225 Difference]: With dead ends: 168 [2020-10-22 00:38:24,919 INFO L226 Difference]: Without dead ends: 138 [2020-10-22 00:38:24,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 7 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-10-22 00:38:24,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-10-22 00:38:24,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 130. [2020-10-22 00:38:24,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-10-22 00:38:24,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 277 transitions. [2020-10-22 00:38:24,925 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 277 transitions. Word has length 21 [2020-10-22 00:38:24,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:38:24,925 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 277 transitions. [2020-10-22 00:38:24,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-22 00:38:24,926 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 277 transitions. [2020-10-22 00:38:24,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-22 00:38:24,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:38:24,926 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, 1] [2020-10-22 00:38:24,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 00:38:24,927 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:38:24,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:38:24,927 INFO L82 PathProgramCache]: Analyzing trace with hash -820449596, now seen corresponding path program 2 times [2020-10-22 00:38:24,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:38:24,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787541633] [2020-10-22 00:38:24,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:38:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:38:25,038 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 00:38:25,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787541633] [2020-10-22 00:38:25,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:38:25,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 00:38:25,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1960325011] [2020-10-22 00:38:25,039 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:38:25,043 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:38:25,067 INFO L252 McrAutomatonBuilder]: Finished intersection with 61 states and 107 transitions. [2020-10-22 00:38:25,068 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:38:25,843 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 3 [2020-10-22 00:38:26,357 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 3 [2020-10-22 00:38:26,876 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 3 [2020-10-22 00:38:26,936 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:38:26,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 00:38:26,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:38:26,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 00:38:26,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:38:26,938 INFO L87 Difference]: Start difference. First operand 130 states and 277 transitions. Second operand 5 states. [2020-10-22 00:38:26,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:38:26,981 INFO L93 Difference]: Finished difference Result 142 states and 292 transitions. [2020-10-22 00:38:26,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 00:38:26,981 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-22 00:38:26,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:38:26,982 INFO L225 Difference]: With dead ends: 142 [2020-10-22 00:38:26,982 INFO L226 Difference]: Without dead ends: 62 [2020-10-22 00:38:26,983 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-22 00:38:26,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-22 00:38:26,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-10-22 00:38:26,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-22 00:38:26,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 113 transitions. [2020-10-22 00:38:26,986 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 113 transitions. Word has length 21 [2020-10-22 00:38:26,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:38:26,987 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 113 transitions. [2020-10-22 00:38:26,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 00:38:26,987 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 113 transitions. [2020-10-22 00:38:26,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-22 00:38:26,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:38:26,988 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, 1] [2020-10-22 00:38:26,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-22 00:38:26,989 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:38:26,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:38:26,989 INFO L82 PathProgramCache]: Analyzing trace with hash 8717246, now seen corresponding path program 3 times [2020-10-22 00:38:26,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:38:26,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747995228] [2020-10-22 00:38:26,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:38:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 00:38:27,093 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 00:38:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 00:38:27,144 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 00:38:27,186 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 00:38:27,186 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 00:38:27,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-22 00:38:27,208 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 00:38:27,209 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,209 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 00:38:27,209 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [775] [2020-10-22 00:38:27,211 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 00:38:27,211 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,211 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 00:38:27,211 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,211 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 00:38:27,211 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,212 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 00:38:27,212 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,212 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 00:38:27,212 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,212 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 00:38:27,213 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,213 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 00:38:27,213 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,213 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 00:38:27,213 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,214 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 00:38:27,214 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,214 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 00:38:27,214 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,214 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 00:38:27,214 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,215 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 00:38:27,215 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,215 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 00:38:27,215 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,215 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 00:38:27,215 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,216 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 00:38:27,216 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,216 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 00:38:27,216 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,216 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 00:38:27,216 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,217 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 00:38:27,217 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,217 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 00:38:27,217 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,217 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 00:38:27,217 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,218 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 00:38:27,218 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,219 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 00:38:27,219 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,219 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 00:38:27,219 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,219 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 00:38:27,219 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,220 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 00:38:27,220 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,220 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 00:38:27,221 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,221 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 00:38:27,221 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,221 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 00:38:27,221 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,221 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 00:38:27,221 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,222 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 00:38:27,222 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,222 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 00:38:27,222 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:38:27,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 12:38:27 BasicIcfg [2020-10-22 00:38:27,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 00:38:27,296 INFO L168 Benchmark]: Toolchain (without parser) took 16098.79 ms. Allocated memory was 146.8 MB in the beginning and 364.4 MB in the end (delta: 217.6 MB). Free memory was 101.3 MB in the beginning and 227.6 MB in the end (delta: -126.3 MB). Peak memory consumption was 91.2 MB. Max. memory is 7.1 GB. [2020-10-22 00:38:27,296 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-22 00:38:27,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.67 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 100.4 MB in the beginning and 154.3 MB in the end (delta: -53.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2020-10-22 00:38:27,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.74 ms. Allocated memory is still 203.9 MB. Free memory was 154.3 MB in the beginning and 151.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-22 00:38:27,299 INFO L168 Benchmark]: Boogie Preprocessor took 48.19 ms. Allocated memory is still 203.9 MB. Free memory was 151.6 MB in the beginning and 149.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-22 00:38:27,300 INFO L168 Benchmark]: RCFGBuilder took 1953.64 ms. Allocated memory was 203.9 MB in the beginning and 247.5 MB in the end (delta: 43.5 MB). Free memory was 149.5 MB in the beginning and 191.3 MB in the end (delta: -41.8 MB). Peak memory consumption was 101.2 MB. Max. memory is 7.1 GB. [2020-10-22 00:38:27,301 INFO L168 Benchmark]: TraceAbstraction took 13268.66 ms. Allocated memory was 247.5 MB in the beginning and 364.4 MB in the end (delta: 116.9 MB). Free memory was 191.3 MB in the beginning and 227.6 MB in the end (delta: -36.3 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2020-10-22 00:38:27,305 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 751.67 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 100.4 MB in the beginning and 154.3 MB in the end (delta: -53.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 65.74 ms. Allocated memory is still 203.9 MB. Free memory was 154.3 MB in the beginning and 151.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.19 ms. Allocated memory is still 203.9 MB. Free memory was 151.6 MB in the beginning and 149.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1953.64 ms. Allocated memory was 203.9 MB in the beginning and 247.5 MB in the end (delta: 43.5 MB). Free memory was 149.5 MB in the beginning and 191.3 MB in the end (delta: -41.8 MB). Peak memory consumption was 101.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13268.66 ms. Allocated memory was 247.5 MB in the beginning and 364.4 MB in the end (delta: 116.9 MB). Free memory was 191.3 MB in the beginning and 227.6 MB in the end (delta: -36.3 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 915 VarBasedMoverChecksPositive, 26 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 90 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.3s, 109 PlacesBefore, 37 PlacesAfterwards, 102 TransitionsBefore, 28 TransitionsAfterwards, 1754 CoEnabledTransitionPairs, 6 FixpointIterations, 37 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 88 TotalNumberOfCompositions, 4375 MoverChecksTotal - CounterExampleResult [Line: 18]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p2_EBX = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L721] 0 _Bool x$flush_delayed; [L722] 0 int x$mem_tmp; [L723] 0 _Bool x$r_buff0_thd0; [L724] 0 _Bool x$r_buff0_thd1; [L725] 0 _Bool x$r_buff0_thd2; [L726] 0 _Bool x$r_buff0_thd3; [L727] 0 _Bool x$r_buff1_thd0; [L728] 0 _Bool x$r_buff1_thd1; [L729] 0 _Bool x$r_buff1_thd2; [L730] 0 _Bool x$r_buff1_thd3; [L731] 0 _Bool x$read_delayed; [L732] 0 int *x$read_delayed_var; [L733] 0 int x$w_buff0; [L734] 0 _Bool x$w_buff0_used; [L735] 0 int x$w_buff1; [L736] 0 _Bool x$w_buff1_used; [L738] 0 int y = 0; [L740] 0 int z = 0; [L741] 0 _Bool weak$$choice0; [L742] 0 _Bool weak$$choice2; [L833] 0 pthread_t t2351; [L834] FCALL, FORK 0 pthread_create(&t2351, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L835] 0 pthread_t t2352; [L836] FCALL, FORK 0 pthread_create(&t2352, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L837] 0 pthread_t t2353; [L838] FCALL, FORK 0 pthread_create(&t2353, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L776] 2 x$w_buff1 = x$w_buff0 [L777] 2 x$w_buff0 = 1 [L778] 2 x$w_buff1_used = x$w_buff0_used [L779] 2 x$w_buff0_used = (_Bool)1 [L19] COND TRUE 2 !expression [L18] COND FALSE 2 !(0) [L18] 2 __assert_fail ("0", "safe024_pso.oepc.c", 9, __extension__ __PRETTY_FUNCTION__) [L781] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L782] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L783] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L784] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L785] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L788] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L805] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L808] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L746] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, 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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L811] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L811] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L812] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L812] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L813] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L813] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L814] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L814] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L815] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L815] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L751] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L752] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L753] 1 x$flush_delayed = weak$$choice2 [L754] 1 x$mem_tmp = x [L755] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L755] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1 [L755] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L755] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L756] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L756] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0) [L756] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L756] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L757] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L757] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L757] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1 [L757] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L757] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L757] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L758] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L758] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L759] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L759] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L759] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0 [L759] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L759] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L759] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L760] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L760] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L761] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L761] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L761] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L761] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L762] 1 __unbuffered_p0_EAX = x [L763] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L763] 1 x = x$flush_delayed ? x$mem_tmp : x [L764] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L769] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L771] 1 return 0; [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L820] 3 return 0; [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L791] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L792] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L793] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L793] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L794] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L794] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L795] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L795] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L798] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L800] 2 return 0; [L840] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L4] COND FALSE 0 !(!cond) [L844] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L844] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L844] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L844] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L845] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L845] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L846] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L846] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L847] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L847] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L848] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L848] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L851] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L19] COND TRUE 0 !expression [L18] COND FALSE 0 !(0) [L18] 0 __assert_fail ("0", "safe024_pso.oepc.c", 9, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 100 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.0s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.4s, HoareTripleCheckerStatistics: 195 SDtfs, 349 SDslu, 582 SDs, 0 SdLazy, 286 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 117 SyntacticMatches, 8 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=898occurred 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, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 7709 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...