/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.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix014_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:29:34,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:29:34,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:29:34,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:29:34,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:29:34,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:29:34,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:29:34,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:29:34,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:29:34,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:29:34,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:29:34,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:29:34,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:29:34,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:29:34,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:29:34,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:29:34,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:29:34,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:29:34,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:29:34,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:29:34,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:29:34,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:29:34,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:29:34,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:29:34,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 23:29:34,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:29:34,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:29:34,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:29:34,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:29:34,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:29:34,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:29:34,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:29:34,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:29:34,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:29:34,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:29:34,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:29:34,135 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.epf [2020-10-05 23:29:34,172 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:29:34,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:29:34,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:29:34,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:29:34,174 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:29:34,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:29:34,174 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:29:34,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:29:34,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:29:34,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:29:34,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:29:34,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:29:34,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:29:34,177 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:29:34,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:29:34,177 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:29:34,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:29:34,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:29:34,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:29:34,178 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:29:34,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:29:34,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:29:34,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:29:34,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:29:34,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:29:34,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:29:34,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:29:34,180 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:29:34,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:29:34,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:29:34,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:29:34,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:29:34,492 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:29:34,494 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:29:34,495 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix014_rmo.oepc.i [2020-10-05 23:29:34,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7102016c2/3d4802790cba4a2ea076694adeedb5bc/FLAGc4a2dda44 [2020-10-05 23:29:35,101 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:29:35,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix014_rmo.oepc.i [2020-10-05 23:29:35,126 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7102016c2/3d4802790cba4a2ea076694adeedb5bc/FLAGc4a2dda44 [2020-10-05 23:29:35,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7102016c2/3d4802790cba4a2ea076694adeedb5bc [2020-10-05 23:29:35,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:29:35,413 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:29:35,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:29:35,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:29:35,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:29:35,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:29:35" (1/1) ... [2020-10-05 23:29:35,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9c972b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:29:35, skipping insertion in model container [2020-10-05 23:29:35,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:29:35" (1/1) ... [2020-10-05 23:29:35,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:29:35,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:29:36,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:29:36,115 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:29:36,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:29:36,296 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:29:36,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:29:36 WrapperNode [2020-10-05 23:29:36,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:29:36,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:29:36,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:29:36,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:29:36,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:29:36" (1/1) ... [2020-10-05 23:29:36,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:29:36" (1/1) ... [2020-10-05 23:29:36,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:29:36,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:29:36,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:29:36,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:29:36,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:29:36" (1/1) ... [2020-10-05 23:29:36,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:29:36" (1/1) ... [2020-10-05 23:29:36,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:29:36" (1/1) ... [2020-10-05 23:29:36,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:29:36" (1/1) ... [2020-10-05 23:29:36,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:29:36" (1/1) ... [2020-10-05 23:29:36,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:29:36" (1/1) ... [2020-10-05 23:29:36,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:29:36" (1/1) ... [2020-10-05 23:29:36,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:29:36,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:29:36,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:29:36,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:29:36,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:29:36" (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 [2020-10-05 23:29:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:29:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 23:29:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:29:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:29:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 23:29:36,487 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 23:29:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 23:29:36,488 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 23:29:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-05 23:29:36,489 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-05 23:29:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-05 23:29:36,491 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-05 23:29:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 23:29:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:29:36,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:29:36,494 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:29:38,788 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:29:38,789 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-05 23:29:38,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:29:38 BoogieIcfgContainer [2020-10-05 23:29:38,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:29:38,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:29:38,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:29:38,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:29:38,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:29:35" (1/3) ... [2020-10-05 23:29:38,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27412fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:29:38, skipping insertion in model container [2020-10-05 23:29:38,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:29:36" (2/3) ... [2020-10-05 23:29:38,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27412fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:29:38, skipping insertion in model container [2020-10-05 23:29:38,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:29:38" (3/3) ... [2020-10-05 23:29:38,802 INFO L109 eAbstractionObserver]: Analyzing ICFG mix014_rmo.oepc.i [2020-10-05 23:29:38,815 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:29:38,815 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:29:38,825 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-05 23:29:38,827 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:29:38,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,869 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,869 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,869 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,870 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,873 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,873 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,876 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,876 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,876 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,877 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,879 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,879 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,880 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,880 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,884 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,884 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,884 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,884 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,885 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,885 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,885 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,885 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,885 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,893 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,893 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,897 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,897 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,898 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,899 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,899 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,908 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,909 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,911 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,913 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,913 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,916 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,916 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,922 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,922 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,922 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,922 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:29:38,943 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-05 23:29:38,971 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:29:38,971 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:29:38,971 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:29:38,971 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:29:38,971 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:29:38,972 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:29:38,972 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:29:38,972 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:29:38,992 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 115 transitions, 250 flow [2020-10-05 23:29:38,994 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 250 flow [2020-10-05 23:29:39,050 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2020-10-05 23:29:39,050 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:29:39,056 INFO L80 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 94 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2020-10-05 23:29:39,061 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 250 flow [2020-10-05 23:29:39,087 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2020-10-05 23:29:39,087 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:29:39,088 INFO L80 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 94 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2020-10-05 23:29:39,092 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2832 [2020-10-05 23:29:39,094 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:29:39,733 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-05 23:29:40,164 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-10-05 23:29:41,584 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-05 23:29:41,956 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-10-05 23:29:42,105 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-05 23:29:42,116 INFO L206 etLargeBlockEncoding]: Checked pairs total: 8729 [2020-10-05 23:29:42,116 INFO L214 etLargeBlockEncoding]: Total number of compositions: 89 [2020-10-05 23:29:42,120 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 35 transitions, 90 flow [2020-10-05 23:29:42,540 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 5846 states. [2020-10-05 23:29:42,542 INFO L276 IsEmpty]: Start isEmpty. Operand 5846 states. [2020-10-05 23:29:42,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-05 23:29:42,552 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:29:42,553 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-05 23:29:42,553 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:29:42,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:29:42,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1203435, now seen corresponding path program 1 times [2020-10-05 23:29:42,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:29:42,592 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343880] [2020-10-05 23:29:42,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:29:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:29:42,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:29:42,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343880] [2020-10-05 23:29:42,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:29:42,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:29:42,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983198800] [2020-10-05 23:29:42,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:29:42,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:29:42,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:29:42,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:29:42,876 INFO L87 Difference]: Start difference. First operand 5846 states. Second operand 3 states. [2020-10-05 23:29:43,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:29:43,051 INFO L93 Difference]: Finished difference Result 4872 states and 19508 transitions. [2020-10-05 23:29:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:29:43,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-05 23:29:43,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:29:43,127 INFO L225 Difference]: With dead ends: 4872 [2020-10-05 23:29:43,127 INFO L226 Difference]: Without dead ends: 3972 [2020-10-05 23:29:43,129 INFO L675 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 [2020-10-05 23:29:43,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3972 states. [2020-10-05 23:29:43,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3972 to 3972. [2020-10-05 23:29:43,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3972 states. [2020-10-05 23:29:43,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3972 states to 3972 states and 15668 transitions. [2020-10-05 23:29:43,388 INFO L78 Accepts]: Start accepts. Automaton has 3972 states and 15668 transitions. Word has length 3 [2020-10-05 23:29:43,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:29:43,389 INFO L479 AbstractCegarLoop]: Abstraction has 3972 states and 15668 transitions. [2020-10-05 23:29:43,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:29:43,389 INFO L276 IsEmpty]: Start isEmpty. Operand 3972 states and 15668 transitions. [2020-10-05 23:29:43,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-05 23:29:43,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:29:43,393 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:29:43,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:29:43,393 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:29:43,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:29:43,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1742440526, now seen corresponding path program 1 times [2020-10-05 23:29:43,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:29:43,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130512918] [2020-10-05 23:29:43,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:29:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:29:43,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:29:43,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130512918] [2020-10-05 23:29:43,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:29:43,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:29:43,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753594217] [2020-10-05 23:29:43,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:29:43,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:29:43,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:29:43,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:29:43,483 INFO L87 Difference]: Start difference. First operand 3972 states and 15668 transitions. Second operand 3 states. [2020-10-05 23:29:43,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:29:43,544 INFO L93 Difference]: Finished difference Result 3672 states and 14338 transitions. [2020-10-05 23:29:43,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:29:43,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-05 23:29:43,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:29:43,578 INFO L225 Difference]: With dead ends: 3672 [2020-10-05 23:29:43,579 INFO L226 Difference]: Without dead ends: 3672 [2020-10-05 23:29:43,580 INFO L675 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 [2020-10-05 23:29:43,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3672 states. [2020-10-05 23:29:43,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3672 to 3672. [2020-10-05 23:29:43,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3672 states. [2020-10-05 23:29:43,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3672 states to 3672 states and 14338 transitions. [2020-10-05 23:29:43,752 INFO L78 Accepts]: Start accepts. Automaton has 3672 states and 14338 transitions. Word has length 11 [2020-10-05 23:29:43,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:29:43,753 INFO L479 AbstractCegarLoop]: Abstraction has 3672 states and 14338 transitions. [2020-10-05 23:29:43,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:29:43,754 INFO L276 IsEmpty]: Start isEmpty. Operand 3672 states and 14338 transitions. [2020-10-05 23:29:43,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:29:43,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:29:43,758 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:29:43,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:29:43,759 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:29:43,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:29:43,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1490871085, now seen corresponding path program 1 times [2020-10-05 23:29:43,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:29:43,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165285870] [2020-10-05 23:29:43,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:29:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:29:43,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:29:43,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165285870] [2020-10-05 23:29:43,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:29:43,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:29:43,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160748043] [2020-10-05 23:29:43,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:29:43,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:29:43,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:29:43,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:29:43,909 INFO L87 Difference]: Start difference. First operand 3672 states and 14338 transitions. Second operand 3 states. [2020-10-05 23:29:44,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:29:44,068 INFO L93 Difference]: Finished difference Result 3472 states and 13468 transitions. [2020-10-05 23:29:44,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:29:44,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-05 23:29:44,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:29:44,099 INFO L225 Difference]: With dead ends: 3472 [2020-10-05 23:29:44,099 INFO L226 Difference]: Without dead ends: 3472 [2020-10-05 23:29:44,100 INFO L675 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 [2020-10-05 23:29:44,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3472 states. [2020-10-05 23:29:44,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3472 to 3472. [2020-10-05 23:29:44,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3472 states. [2020-10-05 23:29:44,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3472 states to 3472 states and 13468 transitions. [2020-10-05 23:29:44,254 INFO L78 Accepts]: Start accepts. Automaton has 3472 states and 13468 transitions. Word has length 13 [2020-10-05 23:29:44,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:29:44,255 INFO L479 AbstractCegarLoop]: Abstraction has 3472 states and 13468 transitions. [2020-10-05 23:29:44,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:29:44,255 INFO L276 IsEmpty]: Start isEmpty. Operand 3472 states and 13468 transitions. [2020-10-05 23:29:44,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-05 23:29:44,259 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:29:44,259 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:29:44,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:29:44,259 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:29:44,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:29:44,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1792960068, now seen corresponding path program 1 times [2020-10-05 23:29:44,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:29:44,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991284099] [2020-10-05 23:29:44,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:29:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:29:44,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:29:44,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991284099] [2020-10-05 23:29:44,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:29:44,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:29:44,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62533309] [2020-10-05 23:29:44,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:29:44,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:29:44,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:29:44,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:29:44,402 INFO L87 Difference]: Start difference. First operand 3472 states and 13468 transitions. Second operand 4 states. [2020-10-05 23:29:44,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:29:44,481 INFO L93 Difference]: Finished difference Result 3428 states and 12088 transitions. [2020-10-05 23:29:44,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:29:44,482 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-05 23:29:44,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:29:44,502 INFO L225 Difference]: With dead ends: 3428 [2020-10-05 23:29:44,503 INFO L226 Difference]: Without dead ends: 2528 [2020-10-05 23:29:44,503 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:29:44,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2528 states. [2020-10-05 23:29:44,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2528 to 2528. [2020-10-05 23:29:44,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2528 states. [2020-10-05 23:29:44,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2528 states to 2528 states and 8748 transitions. [2020-10-05 23:29:44,599 INFO L78 Accepts]: Start accepts. Automaton has 2528 states and 8748 transitions. Word has length 15 [2020-10-05 23:29:44,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:29:44,600 INFO L479 AbstractCegarLoop]: Abstraction has 2528 states and 8748 transitions. [2020-10-05 23:29:44,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:29:44,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 8748 transitions. [2020-10-05 23:29:44,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-05 23:29:44,605 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:29:44,605 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:29:44,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:29:44,605 INFO L427 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:29:44,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:29:44,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1669783886, now seen corresponding path program 1 times [2020-10-05 23:29:44,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:29:44,607 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684197959] [2020-10-05 23:29:44,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:29:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:29:44,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:29:44,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684197959] [2020-10-05 23:29:44,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:29:44,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:29:44,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459799588] [2020-10-05 23:29:44,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:29:44,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:29:44,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:29:44,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:29:44,768 INFO L87 Difference]: Start difference. First operand 2528 states and 8748 transitions. Second operand 5 states. [2020-10-05 23:29:44,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:29:44,837 INFO L93 Difference]: Finished difference Result 2140 states and 6896 transitions. [2020-10-05 23:29:44,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:29:44,838 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-05 23:29:44,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:29:44,846 INFO L225 Difference]: With dead ends: 2140 [2020-10-05 23:29:44,846 INFO L226 Difference]: Without dead ends: 1640 [2020-10-05 23:29:44,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:29:44,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2020-10-05 23:29:44,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1640. [2020-10-05 23:29:44,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1640 states. [2020-10-05 23:29:44,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1640 states and 5196 transitions. [2020-10-05 23:29:44,903 INFO L78 Accepts]: Start accepts. Automaton has 1640 states and 5196 transitions. Word has length 18 [2020-10-05 23:29:44,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:29:44,903 INFO L479 AbstractCegarLoop]: Abstraction has 1640 states and 5196 transitions. [2020-10-05 23:29:44,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:29:44,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 5196 transitions. [2020-10-05 23:29:44,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-05 23:29:44,908 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:29:44,908 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] [2020-10-05 23:29:44,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:29:44,909 INFO L427 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:29:44,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:29:44,909 INFO L82 PathProgramCache]: Analyzing trace with hash -225223953, now seen corresponding path program 1 times [2020-10-05 23:29:44,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:29:44,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301879602] [2020-10-05 23:29:44,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:29:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:29:45,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:29:45,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301879602] [2020-10-05 23:29:45,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:29:45,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 23:29:45,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512583899] [2020-10-05 23:29:45,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:29:45,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:29:45,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:29:45,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:29:45,080 INFO L87 Difference]: Start difference. First operand 1640 states and 5196 transitions. Second operand 6 states. [2020-10-05 23:29:45,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:29:45,167 INFO L93 Difference]: Finished difference Result 1465 states and 4632 transitions. [2020-10-05 23:29:45,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:29:45,168 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2020-10-05 23:29:45,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:29:45,174 INFO L225 Difference]: With dead ends: 1465 [2020-10-05 23:29:45,175 INFO L226 Difference]: Without dead ends: 1325 [2020-10-05 23:29:45,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:29:45,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2020-10-05 23:29:45,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 1325. [2020-10-05 23:29:45,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1325 states. [2020-10-05 23:29:45,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 4251 transitions. [2020-10-05 23:29:45,221 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 4251 transitions. Word has length 21 [2020-10-05 23:29:45,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:29:45,222 INFO L479 AbstractCegarLoop]: Abstraction has 1325 states and 4251 transitions. [2020-10-05 23:29:45,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:29:45,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 4251 transitions. [2020-10-05 23:29:45,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-05 23:29:45,229 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:29:45,229 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, 1, 1, 1, 1] [2020-10-05 23:29:45,229 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 23:29:45,229 INFO L427 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:29:45,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:29:45,230 INFO L82 PathProgramCache]: Analyzing trace with hash 991444786, now seen corresponding path program 1 times [2020-10-05 23:29:45,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:29:45,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334670620] [2020-10-05 23:29:45,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:29:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:29:45,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:29:45,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334670620] [2020-10-05 23:29:45,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:29:45,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:29:45,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891132981] [2020-10-05 23:29:45,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:29:45,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:29:45,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:29:45,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:29:45,438 INFO L87 Difference]: Start difference. First operand 1325 states and 4251 transitions. Second operand 4 states. [2020-10-05 23:29:45,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:29:45,465 INFO L93 Difference]: Finished difference Result 1838 states and 5795 transitions. [2020-10-05 23:29:45,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:29:45,466 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-10-05 23:29:45,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:29:45,471 INFO L225 Difference]: With dead ends: 1838 [2020-10-05 23:29:45,471 INFO L226 Difference]: Without dead ends: 1328 [2020-10-05 23:29:45,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:29:45,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1328 states. [2020-10-05 23:29:45,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1328 to 1325. [2020-10-05 23:29:45,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1325 states. [2020-10-05 23:29:45,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 4089 transitions. [2020-10-05 23:29:45,529 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 4089 transitions. Word has length 25 [2020-10-05 23:29:45,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:29:45,529 INFO L479 AbstractCegarLoop]: Abstraction has 1325 states and 4089 transitions. [2020-10-05 23:29:45,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:29:45,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 4089 transitions. [2020-10-05 23:29:45,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-05 23:29:45,534 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:29:45,535 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, 1, 1, 1, 1] [2020-10-05 23:29:45,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:29:45,535 INFO L427 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:29:45,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:29:45,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1504475086, now seen corresponding path program 2 times [2020-10-05 23:29:45,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:29:45,536 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741260497] [2020-10-05 23:29:45,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:29:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:29:45,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:29:45,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741260497] [2020-10-05 23:29:45,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:29:45,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:29:45,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98354473] [2020-10-05 23:29:45,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:29:45,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:29:45,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:29:45,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:29:45,643 INFO L87 Difference]: Start difference. First operand 1325 states and 4089 transitions. Second operand 4 states. [2020-10-05 23:29:45,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:29:45,671 INFO L93 Difference]: Finished difference Result 1810 states and 5471 transitions. [2020-10-05 23:29:45,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:29:45,672 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-10-05 23:29:45,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:29:45,676 INFO L225 Difference]: With dead ends: 1810 [2020-10-05 23:29:45,677 INFO L226 Difference]: Without dead ends: 1253 [2020-10-05 23:29:45,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:29:45,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2020-10-05 23:29:45,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1250. [2020-10-05 23:29:45,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-10-05 23:29:45,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 3677 transitions. [2020-10-05 23:29:45,720 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 3677 transitions. Word has length 25 [2020-10-05 23:29:45,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:29:45,724 INFO L479 AbstractCegarLoop]: Abstraction has 1250 states and 3677 transitions. [2020-10-05 23:29:45,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:29:45,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 3677 transitions. [2020-10-05 23:29:45,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-05 23:29:45,728 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:29:45,728 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, 1, 1, 1, 1] [2020-10-05 23:29:45,728 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-05 23:29:45,729 INFO L427 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:29:45,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:29:45,729 INFO L82 PathProgramCache]: Analyzing trace with hash 2066250614, now seen corresponding path program 1 times [2020-10-05 23:29:45,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:29:45,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472065129] [2020-10-05 23:29:45,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:29:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:29:45,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:29:45,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472065129] [2020-10-05 23:29:45,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:29:45,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:29:45,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546071543] [2020-10-05 23:29:45,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:29:45,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:29:45,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:29:45,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:29:45,801 INFO L87 Difference]: Start difference. First operand 1250 states and 3677 transitions. Second operand 3 states. [2020-10-05 23:29:45,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:29:45,822 INFO L93 Difference]: Finished difference Result 1885 states and 5430 transitions. [2020-10-05 23:29:45,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:29:45,823 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-05 23:29:45,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:29:45,827 INFO L225 Difference]: With dead ends: 1885 [2020-10-05 23:29:45,827 INFO L226 Difference]: Without dead ends: 1065 [2020-10-05 23:29:45,828 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:29:45,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2020-10-05 23:29:45,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1062. [2020-10-05 23:29:45,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1062 states. [2020-10-05 23:29:45,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 2913 transitions. [2020-10-05 23:29:45,855 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 2913 transitions. Word has length 25 [2020-10-05 23:29:45,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:29:45,856 INFO L479 AbstractCegarLoop]: Abstraction has 1062 states and 2913 transitions. [2020-10-05 23:29:45,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:29:45,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 2913 transitions. [2020-10-05 23:29:45,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-05 23:29:45,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:29:45,860 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, 1, 1, 1, 1] [2020-10-05 23:29:45,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-05 23:29:45,860 INFO L427 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:29:45,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:29:45,861 INFO L82 PathProgramCache]: Analyzing trace with hash -702301748, now seen corresponding path program 3 times [2020-10-05 23:29:45,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:29:45,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891414536] [2020-10-05 23:29:45,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:29:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:29:46,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:29:46,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891414536] [2020-10-05 23:29:46,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:29:46,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-05 23:29:46,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133861315] [2020-10-05 23:29:46,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 23:29:46,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:29:46,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 23:29:46,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:29:46,053 INFO L87 Difference]: Start difference. First operand 1062 states and 2913 transitions. Second operand 7 states. [2020-10-05 23:29:46,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:29:46,124 INFO L93 Difference]: Finished difference Result 1031 states and 2852 transitions. [2020-10-05 23:29:46,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-05 23:29:46,124 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2020-10-05 23:29:46,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:29:46,126 INFO L225 Difference]: With dead ends: 1031 [2020-10-05 23:29:46,127 INFO L226 Difference]: Without dead ends: 358 [2020-10-05 23:29:46,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:29:46,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2020-10-05 23:29:46,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 358. [2020-10-05 23:29:46,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2020-10-05 23:29:46,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 977 transitions. [2020-10-05 23:29:46,138 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 977 transitions. Word has length 25 [2020-10-05 23:29:46,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:29:46,139 INFO L479 AbstractCegarLoop]: Abstraction has 358 states and 977 transitions. [2020-10-05 23:29:46,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 23:29:46,139 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 977 transitions. [2020-10-05 23:29:46,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-05 23:29:46,143 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:29:46,143 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:29:46,143 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-05 23:29:46,144 INFO L427 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:29:46,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:29:46,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1151374061, now seen corresponding path program 1 times [2020-10-05 23:29:46,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:29:46,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40735026] [2020-10-05 23:29:46,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:29:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:29:46,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:29:46,620 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40735026] [2020-10-05 23:29:46,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:29:46,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-05 23:29:46,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365250912] [2020-10-05 23:29:46,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-05 23:29:46,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:29:46,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-05 23:29:46,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-05 23:29:46,623 INFO L87 Difference]: Start difference. First operand 358 states and 977 transitions. Second operand 12 states. [2020-10-05 23:29:47,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:29:47,390 INFO L93 Difference]: Finished difference Result 555 states and 1466 transitions. [2020-10-05 23:29:47,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-05 23:29:47,391 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2020-10-05 23:29:47,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:29:47,463 INFO L225 Difference]: With dead ends: 555 [2020-10-05 23:29:47,463 INFO L226 Difference]: Without dead ends: 465 [2020-10-05 23:29:47,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2020-10-05 23:29:47,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-10-05 23:29:47,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2020-10-05 23:29:47,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2020-10-05 23:29:47,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 1255 transitions. [2020-10-05 23:29:47,481 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 1255 transitions. Word has length 29 [2020-10-05 23:29:47,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:29:47,481 INFO L479 AbstractCegarLoop]: Abstraction has 465 states and 1255 transitions. [2020-10-05 23:29:47,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-05 23:29:47,481 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 1255 transitions. [2020-10-05 23:29:47,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-05 23:29:47,483 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:29:47,483 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:29:47,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-05 23:29:47,484 INFO L427 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:29:47,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:29:47,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1436561981, now seen corresponding path program 2 times [2020-10-05 23:29:47,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:29:47,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620990754] [2020-10-05 23:29:47,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:29:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:29:47,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:29:47,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620990754] [2020-10-05 23:29:47,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:29:47,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-05 23:29:47,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317846784] [2020-10-05 23:29:47,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-05 23:29:47,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:29:47,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-05 23:29:47,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:29:47,771 INFO L87 Difference]: Start difference. First operand 465 states and 1255 transitions. Second operand 8 states. [2020-10-05 23:29:47,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:29:47,973 INFO L93 Difference]: Finished difference Result 515 states and 1373 transitions. [2020-10-05 23:29:47,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:29:47,973 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-05 23:29:47,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:29:47,974 INFO L225 Difference]: With dead ends: 515 [2020-10-05 23:29:47,974 INFO L226 Difference]: Without dead ends: 186 [2020-10-05 23:29:47,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-05 23:29:47,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-10-05 23:29:47,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2020-10-05 23:29:47,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-10-05 23:29:47,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 433 transitions. [2020-10-05 23:29:47,981 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 433 transitions. Word has length 29 [2020-10-05 23:29:47,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:29:47,981 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 433 transitions. [2020-10-05 23:29:47,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-05 23:29:47,981 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 433 transitions. [2020-10-05 23:29:47,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-05 23:29:47,982 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:29:47,982 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:29:47,983 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-05 23:29:47,983 INFO L427 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:29:47,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:29:47,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1469492115, now seen corresponding path program 3 times [2020-10-05 23:29:47,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:29:47,984 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820721014] [2020-10-05 23:29:47,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:29:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:29:48,044 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:29:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:29:48,127 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:29:48,166 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-05 23:29:48,167 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-05 23:29:48,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-05 23:29:48,168 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-05 23:29:48,204 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [1162] [1162] L3-->L878: Formula: (let ((.cse6 (= (mod ~a$r_buff1_thd0~0_In610350107 256) 0)) (.cse7 (= (mod ~a$w_buff1_used~0_In610350107 256) 0)) (.cse8 (= (mod ~a$r_buff0_thd0~0_In610350107 256) 0)) (.cse9 (= (mod ~a$w_buff0_used~0_In610350107 256) 0))) (let ((.cse2 (or .cse8 .cse9)) (.cse0 (not .cse9)) (.cse1 (not .cse8)) (.cse5 (or .cse6 .cse7)) (.cse3 (not .cse7)) (.cse4 (not .cse6))) (and (= ~a$r_buff1_thd0~0_In610350107 ~a$r_buff1_thd0~0_Out610350107) (or (and (= ~a$w_buff0_used~0_Out610350107 0) .cse0 .cse1) (and .cse2 (= ~a$w_buff0_used~0_In610350107 ~a$w_buff0_used~0_Out610350107))) (not (= ULTIMATE.start_assume_abort_if_not_~cond_In610350107 0)) (or (and .cse2 (or (and .cse3 (= ~a~0_Out610350107 ~a$w_buff1~0_In610350107) .cse4) (and .cse5 (= ~a~0_In610350107 ~a~0_Out610350107)))) (and .cse0 .cse1 (= ~a~0_Out610350107 ~a$w_buff0~0_In610350107))) (= ~a$r_buff0_thd0~0_In610350107 ~a$r_buff0_thd0~0_Out610350107) (or (and (= ~a$w_buff1_used~0_In610350107 ~a$w_buff1_used~0_Out610350107) .cse5) (and .cse3 (= ~a$w_buff1_used~0_Out610350107 0) .cse4))))) InVars {~a~0=~a~0_In610350107, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In610350107, ~a$w_buff1~0=~a$w_buff1~0_In610350107, ~a$w_buff0~0=~a$w_buff0~0_In610350107, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_In610350107, ~a$w_buff0_used~0=~a$w_buff0_used~0_In610350107, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_In610350107, ~a$w_buff1_used~0=~a$w_buff1_used~0_In610350107} OutVars{ULTIMATE.start_main_#t~ite58=|ULTIMATE.start_main_#t~ite58_Out610350107|, ~a$w_buff0_used~0=~a$w_buff0_used~0_Out610350107, ULTIMATE.start_main_#t~ite57=|ULTIMATE.start_main_#t~ite57_Out610350107|, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_Out610350107, ULTIMATE.start_main_#t~ite54=|ULTIMATE.start_main_#t~ite54_Out610350107|, ULTIMATE.start_main_#t~ite53=|ULTIMATE.start_main_#t~ite53_Out610350107|, ULTIMATE.start_main_#t~ite56=|ULTIMATE.start_main_#t~ite56_Out610350107|, ULTIMATE.start_main_#t~ite55=|ULTIMATE.start_main_#t~ite55_Out610350107|, ~a~0=~a~0_Out610350107, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In610350107, ~a$w_buff1~0=~a$w_buff1~0_In610350107, ~a$w_buff0~0=~a$w_buff0~0_In610350107, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_Out610350107, ~a$w_buff1_used~0=~a$w_buff1_used~0_Out610350107} AuxVars[] AssignedVars[~a~0, ULTIMATE.start_main_#t~ite58, ~a$r_buff1_thd0~0, ~a$w_buff0_used~0, ULTIMATE.start_main_#t~ite57, ~a$r_buff0_thd0~0, ~a$w_buff1_used~0, ULTIMATE.start_main_#t~ite54, ULTIMATE.start_main_#t~ite53, ULTIMATE.start_main_#t~ite56, ULTIMATE.start_main_#t~ite55] because there is no mapped edge [2020-10-05 23:29:48,212 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,212 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,214 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,214 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,215 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,215 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,215 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,215 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,215 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,215 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,216 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,216 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,217 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,217 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,217 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,217 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,218 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,218 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,218 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,218 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,218 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,219 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,219 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,219 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,219 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,219 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,220 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,220 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,220 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,220 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,220 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,220 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,221 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,221 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,221 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,221 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,222 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,222 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,222 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,222 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,222 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,223 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,223 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,223 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,223 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,223 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,224 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,224 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,224 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,224 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,225 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,225 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,225 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,225 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,226 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,226 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,226 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,227 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,227 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,227 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,227 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,227 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,227 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,228 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,228 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,228 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,228 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:29:48,228 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:29:48,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:29:48 BasicIcfg [2020-10-05 23:29:48,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:29:48,320 INFO L168 Benchmark]: Toolchain (without parser) took 12906.59 ms. Allocated memory was 138.9 MB in the beginning and 418.4 MB in the end (delta: 279.4 MB). Free memory was 100.0 MB in the beginning and 194.6 MB in the end (delta: -94.6 MB). Peak memory consumption was 184.8 MB. Max. memory is 7.1 GB. [2020-10-05 23:29:48,321 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-05 23:29:48,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 882.42 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 99.8 MB in the beginning and 151.9 MB in the end (delta: -52.1 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-10-05 23:29:48,322 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.39 ms. Allocated memory is still 201.9 MB. Free memory was 151.9 MB in the beginning and 149.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-05 23:29:48,323 INFO L168 Benchmark]: Boogie Preprocessor took 61.46 ms. Allocated memory is still 201.9 MB. Free memory was 149.1 MB in the beginning and 146.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-05 23:29:48,324 INFO L168 Benchmark]: RCFGBuilder took 2365.52 ms. Allocated memory was 201.9 MB in the beginning and 250.1 MB in the end (delta: 48.2 MB). Free memory was 146.3 MB in the beginning and 144.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 101.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:29:48,325 INFO L168 Benchmark]: TraceAbstraction took 9525.32 ms. Allocated memory was 250.1 MB in the beginning and 418.4 MB in the end (delta: 168.3 MB). Free memory was 144.7 MB in the beginning and 194.6 MB in the end (delta: -49.9 MB). Peak memory consumption was 118.4 MB. Max. memory is 7.1 GB. [2020-10-05 23:29:48,329 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 882.42 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 99.8 MB in the beginning and 151.9 MB in the end (delta: -52.1 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 64.39 ms. Allocated memory is still 201.9 MB. Free memory was 151.9 MB in the beginning and 149.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.46 ms. Allocated memory is still 201.9 MB. Free memory was 149.1 MB in the beginning and 146.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2365.52 ms. Allocated memory was 201.9 MB in the beginning and 250.1 MB in the end (delta: 48.2 MB). Free memory was 146.3 MB in the beginning and 144.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 101.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9525.32 ms. Allocated memory was 250.1 MB in the beginning and 418.4 MB in the end (delta: 168.3 MB). Free memory was 144.7 MB in the beginning and 194.6 MB in the end (delta: -49.9 MB). Peak memory consumption was 118.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.1s, 126 ProgramPointsBefore, 48 ProgramPointsAfterwards, 115 TransitionsBefore, 35 TransitionsAfterwards, 2832 CoEnabledTransitionPairs, 8 FixpointIterations, 38 TrivialSequentialCompositions, 42 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 1440 VarBasedMoverChecksPositive, 50 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 8729 CheckedPairsTotal, 89 TotalNumberOfCompositions - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L699] 0 int __unbuffered_cnt = 0; [L701] 0 int __unbuffered_p1_EAX = 0; [L703] 0 int __unbuffered_p1_EBX = 0; [L705] 0 int __unbuffered_p2_EAX = 0; [L707] 0 int __unbuffered_p3_EAX = 0; [L709] 0 int __unbuffered_p3_EBX = 0; [L711] 0 int a = 0; [L712] 0 _Bool a$flush_delayed; [L713] 0 int a$mem_tmp; [L714] 0 _Bool a$r_buff0_thd0; [L715] 0 _Bool a$r_buff0_thd1; [L716] 0 _Bool a$r_buff0_thd2; [L717] 0 _Bool a$r_buff0_thd3; [L718] 0 _Bool a$r_buff0_thd4; [L719] 0 _Bool a$r_buff1_thd0; [L720] 0 _Bool a$r_buff1_thd1; [L721] 0 _Bool a$r_buff1_thd2; [L722] 0 _Bool a$r_buff1_thd3; [L723] 0 _Bool a$r_buff1_thd4; [L724] 0 _Bool a$read_delayed; [L725] 0 int *a$read_delayed_var; [L726] 0 int a$w_buff0; [L727] 0 _Bool a$w_buff0_used; [L728] 0 int a$w_buff1; [L729] 0 _Bool a$w_buff1_used; [L730] 0 _Bool main$tmp_guard0; [L731] 0 _Bool main$tmp_guard1; [L733] 0 int x = 0; [L735] 0 int y = 0; [L737] 0 int z = 0; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L860] 0 pthread_t t369; [L861] FCALL, FORK 0 pthread_create(&t369, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L862] 0 pthread_t t370; [L863] FCALL, FORK 0 pthread_create(&t370, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L864] 0 pthread_t t371; [L865] FCALL, FORK 0 pthread_create(&t371, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L866] 0 pthread_t t372; [L867] FCALL, FORK 0 pthread_create(&t372, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=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, y=0, z=0] [L743] 1 a$w_buff1 = a$w_buff0 [L744] 1 a$w_buff0 = 1 [L745] 1 a$w_buff1_used = a$w_buff0_used [L746] 1 a$w_buff0_used = (_Bool)1 [L7] COND FALSE 1 !(!expression) [L748] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L749] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L750] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L751] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L752] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L753] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L756] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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=1, y=0, z=0] [L773] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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=2, y=0, z=0] [L776] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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=2, y=0, z=0] [L779] 2 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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=2, y=0, z=0] [L796] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, 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=2, y=1, z=0] [L799] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, 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=2, y=1, z=0] [L802] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L802] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L803] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L803] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L804] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L804] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L805] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L805] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L806] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L806] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L809] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L811] 3 return 0; [L816] 4 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, 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=2, y=1, z=1] [L819] 4 __unbuffered_p3_EAX = z VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, 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=2, y=1, z=1] [L822] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L823] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L824] 4 a$flush_delayed = weak$$choice2 [L825] 4 a$mem_tmp = a [L826] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L826] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L827] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L827] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L827] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0 [L827] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L827] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L827] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L828] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L828] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L828] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L828] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L829] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L829] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used) [L829] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L829] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L830] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L830] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L831] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L831] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L832] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L832] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L833] 4 __unbuffered_p3_EBX = a [L834] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L834] 4 a = a$flush_delayed ? a$mem_tmp : a [L835] 4 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=2, y=1, z=1] [L759] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L759] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L760] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L760] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L761] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L761] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L762] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L762] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L763] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L763] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L766] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L768] 1 return 0; [L838] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L838] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L839] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L839] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L840] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L840] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L841] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L841] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L842] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L842] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L845] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L847] 4 return 0; [L782] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L782] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L782] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L782] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L783] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L783] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L784] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L784] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L785] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L785] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L786] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L786] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L789] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L791] 2 return 0; [L869] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L880] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=2, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 114 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.2s, OverallIterations: 13, TraceHistogramMax: 1, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 505 SDtfs, 613 SDslu, 1085 SDs, 0 SdLazy, 697 SolverSat, 138 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5846occurred 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: 0.9s AutomataMinimizationTime, 12 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 268 NumberOfCodeBlocks, 268 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 227 ConstructedInterpolants, 0 QuantifiedInterpolants, 29901 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...