/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/mix040_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:02:36,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:02:36,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:02:36,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:02:36,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:02:36,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:02:36,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:02:36,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:02:36,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:02:36,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:02:36,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:02:36,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:02:36,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:02:36,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:02:36,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:02:36,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:02:36,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:02:36,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:02:36,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:02:36,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:02:36,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:02:36,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:02:36,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:02:36,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:02:36,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:02:36,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:02:36,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:02:36,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:02:36,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:02:36,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:02:36,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:02:36,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:02:36,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:02:36,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:02:36,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:02:36,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:02:36,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:02:36,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:02:36,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:02:36,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:02:36,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:02:36,621 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 12:02:36,664 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:02:36,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:02:36,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:02:36,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:02:36,667 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:02:36,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:02:36,668 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:02:36,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:02:36,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:02:36,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:02:36,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:02:36,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:02:36,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:02:36,670 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:02:36,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:02:36,671 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:02:36,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:02:36,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:02:36,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:02:36,672 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:02:36,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:02:36,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:02:36,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:02:36,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:02:36,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:02:36,673 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:02:36,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:02:36,673 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:02:36,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:02:36,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:02:36,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:02:36,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:02:36,985 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:02:36,985 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:02:36,986 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix040_rmo.oepc.i [2020-10-16 12:02:37,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97c6b1faa/0f3a80960bc04b9d97dc5f44c1e28207/FLAGee5deba66 [2020-10-16 12:02:37,662 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:02:37,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix040_rmo.oepc.i [2020-10-16 12:02:37,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97c6b1faa/0f3a80960bc04b9d97dc5f44c1e28207/FLAGee5deba66 [2020-10-16 12:02:38,026 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97c6b1faa/0f3a80960bc04b9d97dc5f44c1e28207 [2020-10-16 12:02:38,035 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:02:38,037 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:02:38,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:02:38,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:02:38,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:02:38,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:02:38" (1/1) ... [2020-10-16 12:02:38,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@417d27a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:38, skipping insertion in model container [2020-10-16 12:02:38,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:02:38" (1/1) ... [2020-10-16 12:02:38,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:02:38,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:02:38,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:02:38,646 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:02:38,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:02:38,789 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:02:38,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:38 WrapperNode [2020-10-16 12:02:38,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:02:38,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:02:38,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:02:38,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:02:38,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:38" (1/1) ... [2020-10-16 12:02:38,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:38" (1/1) ... [2020-10-16 12:02:38,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:02:38,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:02:38,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:02:38,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:02:38,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:38" (1/1) ... [2020-10-16 12:02:38,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:38" (1/1) ... [2020-10-16 12:02:38,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:38" (1/1) ... [2020-10-16 12:02:38,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:38" (1/1) ... [2020-10-16 12:02:38,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:38" (1/1) ... [2020-10-16 12:02:38,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:38" (1/1) ... [2020-10-16 12:02:38,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:38" (1/1) ... [2020-10-16 12:02:38,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:02:38,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:02:38,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:02:38,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:02:38,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:38" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 12:02:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:02:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:02:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:02:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:02:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:02:39,009 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:02:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:02:39,009 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:02:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 12:02:39,011 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 12:02:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-16 12:02:39,014 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-16 12:02:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:02:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:02:39,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:02:39,017 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:02:41,368 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:02:41,368 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:02:41,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:02:41 BoogieIcfgContainer [2020-10-16 12:02:41,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:02:41,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:02:41,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:02:41,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:02:41,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:02:38" (1/3) ... [2020-10-16 12:02:41,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc7666d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:02:41, skipping insertion in model container [2020-10-16 12:02:41,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:38" (2/3) ... [2020-10-16 12:02:41,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc7666d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:02:41, skipping insertion in model container [2020-10-16 12:02:41,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:02:41" (3/3) ... [2020-10-16 12:02:41,380 INFO L111 eAbstractionObserver]: Analyzing ICFG mix040_rmo.oepc.i [2020-10-16 12:02:41,392 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:02:41,392 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:02:41,402 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:02:41,403 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:02:41,441 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,442 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,442 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,442 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,443 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,443 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,443 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,443 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,445 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,445 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,445 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,446 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,446 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,448 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,448 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,449 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,449 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,450 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,450 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,450 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,450 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,450 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,451 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,451 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,451 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,451 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,452 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,452 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,452 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,452 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,453 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,453 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,453 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,453 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,453 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,454 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,454 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,454 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,454 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,454 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,454 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,455 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,455 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,455 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,455 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,455 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,456 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,456 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,456 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,456 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,456 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,456 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,457 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,457 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,457 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,457 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,457 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,458 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,458 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,458 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,458 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,458 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,458 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,459 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,459 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,459 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,459 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,459 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,459 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,460 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,462 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,462 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,462 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,462 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,463 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,463 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,463 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,464 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,464 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,469 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,469 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,470 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,470 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,470 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,470 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,485 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,485 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,485 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,485 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,486 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,486 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,486 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,488 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,489 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,490 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,490 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,490 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,490 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,491 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,491 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,491 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,491 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,491 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,493 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,493 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,493 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,493 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,493 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,494 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,494 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,494 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,494 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,494 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,495 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,496 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,497 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,497 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,497 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,497 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,498 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,498 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,498 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,498 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,499 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,499 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,499 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:41,500 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:02:41,517 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 12:02:41,541 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:02:41,541 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:02:41,541 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:02:41,542 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:02:41,542 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:02:41,542 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:02:41,542 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:02:41,542 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:02:41,559 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:02:41,560 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 114 transitions, 248 flow [2020-10-16 12:02:41,563 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 114 transitions, 248 flow [2020-10-16 12:02:41,565 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 125 places, 114 transitions, 248 flow [2020-10-16 12:02:41,623 INFO L129 PetriNetUnfolder]: 2/110 cut-off events. [2020-10-16 12:02:41,624 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:02:41,630 INFO L80 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 110 events. 2/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 88 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2020-10-16 12:02:41,635 INFO L117 LiptonReduction]: Number of co-enabled transitions 2814 [2020-10-16 12:02:42,152 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 12:02:42,693 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-10-16 12:02:43,379 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 12:02:44,340 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2020-10-16 12:02:44,464 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-16 12:02:44,475 INFO L132 LiptonReduction]: Checked pairs total: 8337 [2020-10-16 12:02:44,475 INFO L134 LiptonReduction]: Total number of compositions: 88 [2020-10-16 12:02:44,481 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 37 transitions, 94 flow [2020-10-16 12:02:45,004 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 6674 states. [2020-10-16 12:02:45,007 INFO L276 IsEmpty]: Start isEmpty. Operand 6674 states. [2020-10-16 12:02:45,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-16 12:02:45,032 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:45,032 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-16 12:02:45,033 INFO L429 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]=== [2020-10-16 12:02:45,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:45,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1198756, now seen corresponding path program 1 times [2020-10-16 12:02:45,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:45,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963289588] [2020-10-16 12:02:45,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:45,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:45,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963289588] [2020-10-16 12:02:45,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:45,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:02:45,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687080723] [2020-10-16 12:02:45,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:02:45,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:45,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:02:45,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:02:45,285 INFO L87 Difference]: Start difference. First operand 6674 states. Second operand 3 states. [2020-10-16 12:02:45,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:45,468 INFO L93 Difference]: Finished difference Result 5562 states and 22475 transitions. [2020-10-16 12:02:45,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:02:45,470 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-16 12:02:45,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:45,533 INFO L225 Difference]: With dead ends: 5562 [2020-10-16 12:02:45,533 INFO L226 Difference]: Without dead ends: 4062 [2020-10-16 12:02:45,535 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:02:45,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4062 states. [2020-10-16 12:02:45,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4062 to 4062. [2020-10-16 12:02:45,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4062 states. [2020-10-16 12:02:45,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4062 states to 4062 states and 16125 transitions. [2020-10-16 12:02:45,859 INFO L78 Accepts]: Start accepts. Automaton has 4062 states and 16125 transitions. Word has length 3 [2020-10-16 12:02:45,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:45,859 INFO L481 AbstractCegarLoop]: Abstraction has 4062 states and 16125 transitions. [2020-10-16 12:02:45,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:02:45,859 INFO L276 IsEmpty]: Start isEmpty. Operand 4062 states and 16125 transitions. [2020-10-16 12:02:45,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:02:45,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:45,865 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:02:45,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:02:45,866 INFO L429 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]=== [2020-10-16 12:02:45,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:45,868 INFO L82 PathProgramCache]: Analyzing trace with hash 773177025, now seen corresponding path program 1 times [2020-10-16 12:02:45,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:45,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219636133] [2020-10-16 12:02:45,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:46,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:46,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219636133] [2020-10-16 12:02:46,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:46,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:02:46,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835695358] [2020-10-16 12:02:46,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:02:46,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:46,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:02:46,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:02:46,049 INFO L87 Difference]: Start difference. First operand 4062 states and 16125 transitions. Second operand 4 states. [2020-10-16 12:02:46,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:46,129 INFO L93 Difference]: Finished difference Result 4312 states and 16600 transitions. [2020-10-16 12:02:46,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:02:46,130 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-16 12:02:46,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:46,161 INFO L225 Difference]: With dead ends: 4312 [2020-10-16 12:02:46,161 INFO L226 Difference]: Without dead ends: 3562 [2020-10-16 12:02:46,162 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:02:46,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3562 states. [2020-10-16 12:02:46,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3562 to 3562. [2020-10-16 12:02:46,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3562 states. [2020-10-16 12:02:46,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 3562 states and 13925 transitions. [2020-10-16 12:02:46,410 INFO L78 Accepts]: Start accepts. Automaton has 3562 states and 13925 transitions. Word has length 12 [2020-10-16 12:02:46,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:46,412 INFO L481 AbstractCegarLoop]: Abstraction has 3562 states and 13925 transitions. [2020-10-16 12:02:46,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:02:46,412 INFO L276 IsEmpty]: Start isEmpty. Operand 3562 states and 13925 transitions. [2020-10-16 12:02:46,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:02:46,416 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:46,416 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:02:46,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:02:46,417 INFO L429 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]=== [2020-10-16 12:02:46,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:46,417 INFO L82 PathProgramCache]: Analyzing trace with hash -6294406, now seen corresponding path program 1 times [2020-10-16 12:02:46,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:46,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033682165] [2020-10-16 12:02:46,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:46,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:46,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033682165] [2020-10-16 12:02:46,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:46,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:02:46,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678955892] [2020-10-16 12:02:46,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:02:46,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:46,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:02:46,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:02:46,495 INFO L87 Difference]: Start difference. First operand 3562 states and 13925 transitions. Second operand 4 states. [2020-10-16 12:02:46,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:46,581 INFO L93 Difference]: Finished difference Result 3982 states and 15176 transitions. [2020-10-16 12:02:46,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:02:46,582 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-16 12:02:46,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:46,613 INFO L225 Difference]: With dead ends: 3982 [2020-10-16 12:02:46,613 INFO L226 Difference]: Without dead ends: 3482 [2020-10-16 12:02:46,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:02:46,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3482 states. [2020-10-16 12:02:46,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3482 to 3482. [2020-10-16 12:02:46,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3482 states. [2020-10-16 12:02:46,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3482 states to 3482 states and 13561 transitions. [2020-10-16 12:02:46,753 INFO L78 Accepts]: Start accepts. Automaton has 3482 states and 13561 transitions. Word has length 14 [2020-10-16 12:02:46,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:46,753 INFO L481 AbstractCegarLoop]: Abstraction has 3482 states and 13561 transitions. [2020-10-16 12:02:46,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:02:46,753 INFO L276 IsEmpty]: Start isEmpty. Operand 3482 states and 13561 transitions. [2020-10-16 12:02:46,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 12:02:46,756 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:46,756 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:02:46,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:02:46,757 INFO L429 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]=== [2020-10-16 12:02:46,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:46,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1085201098, now seen corresponding path program 1 times [2020-10-16 12:02:46,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:46,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591168322] [2020-10-16 12:02:46,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:46,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:46,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591168322] [2020-10-16 12:02:46,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:46,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:02:46,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329143322] [2020-10-16 12:02:46,824 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:02:46,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:46,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:02:46,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:02:46,825 INFO L87 Difference]: Start difference. First operand 3482 states and 13561 transitions. Second operand 4 states. [2020-10-16 12:02:46,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:46,874 INFO L93 Difference]: Finished difference Result 3878 states and 14738 transitions. [2020-10-16 12:02:46,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:02:46,874 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-16 12:02:46,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:46,899 INFO L225 Difference]: With dead ends: 3878 [2020-10-16 12:02:46,899 INFO L226 Difference]: Without dead ends: 3418 [2020-10-16 12:02:46,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:02:46,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3418 states. [2020-10-16 12:02:47,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3418 to 3418. [2020-10-16 12:02:47,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3418 states. [2020-10-16 12:02:47,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3418 states to 3418 states and 13273 transitions. [2020-10-16 12:02:47,023 INFO L78 Accepts]: Start accepts. Automaton has 3418 states and 13273 transitions. Word has length 15 [2020-10-16 12:02:47,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:47,023 INFO L481 AbstractCegarLoop]: Abstraction has 3418 states and 13273 transitions. [2020-10-16 12:02:47,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:02:47,023 INFO L276 IsEmpty]: Start isEmpty. Operand 3418 states and 13273 transitions. [2020-10-16 12:02:47,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 12:02:47,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:47,027 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:02:47,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:02:47,028 INFO L429 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]=== [2020-10-16 12:02:47,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:47,028 INFO L82 PathProgramCache]: Analyzing trace with hash 655904634, now seen corresponding path program 1 times [2020-10-16 12:02:47,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:47,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731410379] [2020-10-16 12:02:47,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:47,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:47,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731410379] [2020-10-16 12:02:47,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:47,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:02:47,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927467615] [2020-10-16 12:02:47,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:02:47,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:47,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:02:47,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:02:47,093 INFO L87 Difference]: Start difference. First operand 3418 states and 13273 transitions. Second operand 4 states. [2020-10-16 12:02:47,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:47,252 INFO L93 Difference]: Finished difference Result 5518 states and 20748 transitions. [2020-10-16 12:02:47,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:02:47,253 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-16 12:02:47,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:47,269 INFO L225 Difference]: With dead ends: 5518 [2020-10-16 12:02:47,270 INFO L226 Difference]: Without dead ends: 3778 [2020-10-16 12:02:47,270 INFO L677 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 [2020-10-16 12:02:47,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3778 states. [2020-10-16 12:02:47,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3778 to 3298. [2020-10-16 12:02:47,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3298 states. [2020-10-16 12:02:47,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3298 states to 3298 states and 12367 transitions. [2020-10-16 12:02:47,409 INFO L78 Accepts]: Start accepts. Automaton has 3298 states and 12367 transitions. Word has length 16 [2020-10-16 12:02:47,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:47,409 INFO L481 AbstractCegarLoop]: Abstraction has 3298 states and 12367 transitions. [2020-10-16 12:02:47,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:02:47,409 INFO L276 IsEmpty]: Start isEmpty. Operand 3298 states and 12367 transitions. [2020-10-16 12:02:47,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 12:02:47,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:47,413 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:02:47,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:02:47,414 INFO L429 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]=== [2020-10-16 12:02:47,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:47,414 INFO L82 PathProgramCache]: Analyzing trace with hash 686380827, now seen corresponding path program 1 times [2020-10-16 12:02:47,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:47,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039076638] [2020-10-16 12:02:47,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:47,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:47,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039076638] [2020-10-16 12:02:47,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:47,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:02:47,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254787046] [2020-10-16 12:02:47,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:02:47,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:47,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:02:47,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:02:47,541 INFO L87 Difference]: Start difference. First operand 3298 states and 12367 transitions. Second operand 4 states. [2020-10-16 12:02:47,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:47,607 INFO L93 Difference]: Finished difference Result 3156 states and 10652 transitions. [2020-10-16 12:02:47,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:02:47,608 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-16 12:02:47,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:47,618 INFO L225 Difference]: With dead ends: 3156 [2020-10-16 12:02:47,618 INFO L226 Difference]: Without dead ends: 2406 [2020-10-16 12:02:47,619 INFO L677 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 [2020-10-16 12:02:47,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2406 states. [2020-10-16 12:02:47,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2406 to 2406. [2020-10-16 12:02:47,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2406 states. [2020-10-16 12:02:47,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 2406 states and 8027 transitions. [2020-10-16 12:02:47,695 INFO L78 Accepts]: Start accepts. Automaton has 2406 states and 8027 transitions. Word has length 16 [2020-10-16 12:02:47,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:47,695 INFO L481 AbstractCegarLoop]: Abstraction has 2406 states and 8027 transitions. [2020-10-16 12:02:47,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:02:47,696 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 8027 transitions. [2020-10-16 12:02:47,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-16 12:02:47,700 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:47,700 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:02:47,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:02:47,701 INFO L429 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]=== [2020-10-16 12:02:47,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:47,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1024923927, now seen corresponding path program 1 times [2020-10-16 12:02:47,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:47,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943805754] [2020-10-16 12:02:47,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:47,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:47,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943805754] [2020-10-16 12:02:47,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:47,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:02:47,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924742254] [2020-10-16 12:02:47,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:02:47,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:47,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:02:47,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:02:47,792 INFO L87 Difference]: Start difference. First operand 2406 states and 8027 transitions. Second operand 5 states. [2020-10-16 12:02:47,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:47,854 INFO L93 Difference]: Finished difference Result 1916 states and 5830 transitions. [2020-10-16 12:02:47,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:02:47,854 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-10-16 12:02:47,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:47,861 INFO L225 Difference]: With dead ends: 1916 [2020-10-16 12:02:47,862 INFO L226 Difference]: Without dead ends: 1486 [2020-10-16 12:02:47,862 INFO L677 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 [2020-10-16 12:02:47,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2020-10-16 12:02:47,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1486. [2020-10-16 12:02:47,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1486 states. [2020-10-16 12:02:47,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 4441 transitions. [2020-10-16 12:02:47,901 INFO L78 Accepts]: Start accepts. Automaton has 1486 states and 4441 transitions. Word has length 19 [2020-10-16 12:02:47,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:47,901 INFO L481 AbstractCegarLoop]: Abstraction has 1486 states and 4441 transitions. [2020-10-16 12:02:47,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:02:47,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 4441 transitions. [2020-10-16 12:02:47,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 12:02:47,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:47,906 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] [2020-10-16 12:02:47,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:02:47,906 INFO L429 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]=== [2020-10-16 12:02:47,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:47,907 INFO L82 PathProgramCache]: Analyzing trace with hash -442453102, now seen corresponding path program 1 times [2020-10-16 12:02:47,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:47,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305678657] [2020-10-16 12:02:47,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:48,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:48,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305678657] [2020-10-16 12:02:48,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:48,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:02:48,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715713820] [2020-10-16 12:02:48,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:02:48,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:48,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:02:48,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:02:48,036 INFO L87 Difference]: Start difference. First operand 1486 states and 4441 transitions. Second operand 6 states. [2020-10-16 12:02:48,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:48,100 INFO L93 Difference]: Finished difference Result 1254 states and 3719 transitions. [2020-10-16 12:02:48,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:02:48,100 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-16 12:02:48,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:48,105 INFO L225 Difference]: With dead ends: 1254 [2020-10-16 12:02:48,105 INFO L226 Difference]: Without dead ends: 1128 [2020-10-16 12:02:48,106 INFO L677 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 [2020-10-16 12:02:48,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2020-10-16 12:02:48,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 1128. [2020-10-16 12:02:48,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1128 states. [2020-10-16 12:02:48,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 3391 transitions. [2020-10-16 12:02:48,134 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 3391 transitions. Word has length 22 [2020-10-16 12:02:48,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:48,134 INFO L481 AbstractCegarLoop]: Abstraction has 1128 states and 3391 transitions. [2020-10-16 12:02:48,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:02:48,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 3391 transitions. [2020-10-16 12:02:48,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-16 12:02:48,138 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:48,139 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] [2020-10-16 12:02:48,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:02:48,139 INFO L429 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]=== [2020-10-16 12:02:48,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:48,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1712270644, now seen corresponding path program 1 times [2020-10-16 12:02:48,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:48,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789837203] [2020-10-16 12:02:48,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:48,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:48,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789837203] [2020-10-16 12:02:48,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:48,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:02:48,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443729767] [2020-10-16 12:02:48,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:02:48,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:48,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:02:48,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:02:48,218 INFO L87 Difference]: Start difference. First operand 1128 states and 3391 transitions. Second operand 5 states. [2020-10-16 12:02:48,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:48,252 INFO L93 Difference]: Finished difference Result 1553 states and 4556 transitions. [2020-10-16 12:02:48,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:02:48,253 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-16 12:02:48,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:48,257 INFO L225 Difference]: With dead ends: 1553 [2020-10-16 12:02:48,257 INFO L226 Difference]: Without dead ends: 1084 [2020-10-16 12:02:48,257 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:02:48,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2020-10-16 12:02:48,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1078. [2020-10-16 12:02:48,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1078 states. [2020-10-16 12:02:48,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 3099 transitions. [2020-10-16 12:02:48,287 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 3099 transitions. Word has length 25 [2020-10-16 12:02:48,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:48,287 INFO L481 AbstractCegarLoop]: Abstraction has 1078 states and 3099 transitions. [2020-10-16 12:02:48,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:02:48,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 3099 transitions. [2020-10-16 12:02:48,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-16 12:02:48,291 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:48,291 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] [2020-10-16 12:02:48,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:02:48,291 INFO L429 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]=== [2020-10-16 12:02:48,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:48,292 INFO L82 PathProgramCache]: Analyzing trace with hash 822909952, now seen corresponding path program 2 times [2020-10-16 12:02:48,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:48,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055114893] [2020-10-16 12:02:48,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:48,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:48,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055114893] [2020-10-16 12:02:48,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:48,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:02:48,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051475073] [2020-10-16 12:02:48,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:02:48,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:48,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:02:48,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:02:48,511 INFO L87 Difference]: Start difference. First operand 1078 states and 3099 transitions. Second operand 7 states. [2020-10-16 12:02:48,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:48,597 INFO L93 Difference]: Finished difference Result 1034 states and 3011 transitions. [2020-10-16 12:02:48,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:02:48,597 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2020-10-16 12:02:48,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:48,600 INFO L225 Difference]: With dead ends: 1034 [2020-10-16 12:02:48,601 INFO L226 Difference]: Without dead ends: 546 [2020-10-16 12:02:48,601 INFO L677 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 [2020-10-16 12:02:48,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2020-10-16 12:02:48,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 546. [2020-10-16 12:02:48,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2020-10-16 12:02:48,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 1593 transitions. [2020-10-16 12:02:48,614 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 1593 transitions. Word has length 25 [2020-10-16 12:02:48,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:48,614 INFO L481 AbstractCegarLoop]: Abstraction has 546 states and 1593 transitions. [2020-10-16 12:02:48,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:02:48,614 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 1593 transitions. [2020-10-16 12:02:48,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-16 12:02:48,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:48,616 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] [2020-10-16 12:02:48,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:02:48,616 INFO L429 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]=== [2020-10-16 12:02:48,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:48,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1354010927, now seen corresponding path program 1 times [2020-10-16 12:02:48,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:48,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071224023] [2020-10-16 12:02:48,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:48,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:48,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071224023] [2020-10-16 12:02:48,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:48,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:02:48,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331085435] [2020-10-16 12:02:48,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:02:48,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:48,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:02:48,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:02:48,704 INFO L87 Difference]: Start difference. First operand 546 states and 1593 transitions. Second operand 4 states. [2020-10-16 12:02:48,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:48,724 INFO L93 Difference]: Finished difference Result 852 states and 2458 transitions. [2020-10-16 12:02:48,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:02:48,725 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-10-16 12:02:48,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:48,726 INFO L225 Difference]: With dead ends: 852 [2020-10-16 12:02:48,726 INFO L226 Difference]: Without dead ends: 344 [2020-10-16 12:02:48,727 INFO L677 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 [2020-10-16 12:02:48,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2020-10-16 12:02:48,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2020-10-16 12:02:48,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-10-16 12:02:48,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 941 transitions. [2020-10-16 12:02:48,735 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 941 transitions. Word has length 29 [2020-10-16 12:02:48,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:48,736 INFO L481 AbstractCegarLoop]: Abstraction has 344 states and 941 transitions. [2020-10-16 12:02:48,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:02:48,736 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 941 transitions. [2020-10-16 12:02:48,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-16 12:02:48,737 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:48,738 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] [2020-10-16 12:02:48,738 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 12:02:48,738 INFO L429 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]=== [2020-10-16 12:02:48,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:48,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1795903665, now seen corresponding path program 2 times [2020-10-16 12:02:48,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:48,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677485219] [2020-10-16 12:02:48,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:49,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:49,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677485219] [2020-10-16 12:02:49,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:49,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 12:02:49,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917143360] [2020-10-16 12:02:49,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 12:02:49,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:49,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 12:02:49,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:02:49,098 INFO L87 Difference]: Start difference. First operand 344 states and 941 transitions. Second operand 9 states. [2020-10-16 12:02:49,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:49,419 INFO L93 Difference]: Finished difference Result 401 states and 1079 transitions. [2020-10-16 12:02:49,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:02:49,420 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2020-10-16 12:02:49,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:49,421 INFO L225 Difference]: With dead ends: 401 [2020-10-16 12:02:49,421 INFO L226 Difference]: Without dead ends: 182 [2020-10-16 12:02:49,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2020-10-16 12:02:49,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-10-16 12:02:49,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2020-10-16 12:02:49,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-10-16 12:02:49,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 425 transitions. [2020-10-16 12:02:49,425 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 425 transitions. Word has length 29 [2020-10-16 12:02:49,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:49,426 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 425 transitions. [2020-10-16 12:02:49,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 12:02:49,426 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 425 transitions. [2020-10-16 12:02:49,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-16 12:02:49,427 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:49,427 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] [2020-10-16 12:02:49,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 12:02:49,427 INFO L429 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]=== [2020-10-16 12:02:49,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:49,428 INFO L82 PathProgramCache]: Analyzing trace with hash 397512011, now seen corresponding path program 3 times [2020-10-16 12:02:49,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:49,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705051405] [2020-10-16 12:02:49,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:02:49,524 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:02:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:02:49,613 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:02:49,675 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:02:49,676 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:02:49,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 12:02:49,733 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,734 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,734 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,735 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,735 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,735 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,735 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,735 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,735 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,736 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,736 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,736 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,738 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,738 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,739 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,739 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,739 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,740 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,740 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,740 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,740 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,740 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,742 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,742 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,742 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,742 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,742 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,743 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,743 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,743 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,743 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,743 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,747 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,748 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,748 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,748 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,748 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,748 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,749 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,749 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,749 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,749 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,750 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,750 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,750 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,750 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,750 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,750 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,751 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,751 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,751 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,751 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,751 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,751 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,752 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,752 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,752 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,752 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,752 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,752 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,753 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,753 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,753 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,753 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,753 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,754 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,754 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,754 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,754 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,754 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,755 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,755 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,755 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,755 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,756 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,756 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,756 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,756 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,757 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:49,757 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:49,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:02:49 BasicIcfg [2020-10-16 12:02:49,859 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:02:49,861 INFO L168 Benchmark]: Toolchain (without parser) took 11823.97 ms. Allocated memory was 141.6 MB in the beginning and 408.9 MB in the end (delta: 267.4 MB). Free memory was 102.3 MB in the beginning and 84.2 MB in the end (delta: 18.0 MB). Peak memory consumption was 285.4 MB. Max. memory is 7.1 GB. [2020-10-16 12:02:49,862 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.7 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-16 12:02:49,862 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.77 ms. Allocated memory was 141.6 MB in the beginning and 203.9 MB in the end (delta: 62.4 MB). Free memory was 102.3 MB in the beginning and 156.0 MB in the end (delta: -53.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-10-16 12:02:49,863 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.37 ms. Allocated memory is still 203.9 MB. Free memory was 156.0 MB in the beginning and 153.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-16 12:02:49,864 INFO L168 Benchmark]: Boogie Preprocessor took 43.46 ms. Allocated memory is still 203.9 MB. Free memory was 153.3 MB in the beginning and 150.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-16 12:02:49,865 INFO L168 Benchmark]: RCFGBuilder took 2475.30 ms. Allocated memory was 203.9 MB in the beginning and 246.4 MB in the end (delta: 42.5 MB). Free memory was 150.5 MB in the beginning and 135.7 MB in the end (delta: 14.9 MB). Peak memory consumption was 97.5 MB. Max. memory is 7.1 GB. [2020-10-16 12:02:49,865 INFO L168 Benchmark]: TraceAbstraction took 8486.11 ms. Allocated memory was 246.4 MB in the beginning and 408.9 MB in the end (delta: 162.5 MB). Free memory was 135.7 MB in the beginning and 84.2 MB in the end (delta: 51.4 MB). Peak memory consumption was 214.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:02:49,870 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.7 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 751.77 ms. Allocated memory was 141.6 MB in the beginning and 203.9 MB in the end (delta: 62.4 MB). Free memory was 102.3 MB in the beginning and 156.0 MB in the end (delta: -53.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.37 ms. Allocated memory is still 203.9 MB. Free memory was 156.0 MB in the beginning and 153.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.46 ms. Allocated memory is still 203.9 MB. Free memory was 153.3 MB in the beginning and 150.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2475.30 ms. Allocated memory was 203.9 MB in the beginning and 246.4 MB in the end (delta: 42.5 MB). Free memory was 150.5 MB in the beginning and 135.7 MB in the end (delta: 14.9 MB). Peak memory consumption was 97.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8486.11 ms. Allocated memory was 246.4 MB in the beginning and 408.9 MB in the end (delta: 162.5 MB). Free memory was 135.7 MB in the beginning and 84.2 MB in the end (delta: 51.4 MB). Peak memory consumption was 214.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1381 VarBasedMoverChecksPositive, 33 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 164 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.9s, 125 PlacesBefore, 49 PlacesAfterwards, 114 TransitionsBefore, 37 TransitionsAfterwards, 2814 CoEnabledTransitionPairs, 6 FixpointIterations, 37 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 88 TotalNumberOfCompositions, 8337 MoverChecksTotal - 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_p2_EAX = 0; [L703] 0 int __unbuffered_p3_EAX = 0; [L705] 0 int __unbuffered_p3_EBX = 0; [L707] 0 int a = 0; [L709] 0 int b = 0; [L710] 0 _Bool b$flush_delayed; [L711] 0 int b$mem_tmp; [L712] 0 _Bool b$r_buff0_thd0; [L713] 0 _Bool b$r_buff0_thd1; [L714] 0 _Bool b$r_buff0_thd2; [L715] 0 _Bool b$r_buff0_thd3; [L716] 0 _Bool b$r_buff0_thd4; [L717] 0 _Bool b$r_buff1_thd0; [L718] 0 _Bool b$r_buff1_thd1; [L719] 0 _Bool b$r_buff1_thd2; [L720] 0 _Bool b$r_buff1_thd3; [L721] 0 _Bool b$r_buff1_thd4; [L722] 0 _Bool b$read_delayed; [L723] 0 int *b$read_delayed_var; [L724] 0 int b$w_buff0; [L725] 0 _Bool b$w_buff0_used; [L726] 0 int b$w_buff1; [L727] 0 _Bool b$w_buff1_used; [L728] 0 _Bool main$tmp_guard0; [L729] 0 _Bool main$tmp_guard1; [L731] 0 int x = 0; [L733] 0 int y = 0; [L735] 0 int z = 0; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L858] 0 pthread_t t1073; [L859] FCALL, FORK 0 pthread_create(&t1073, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L860] 0 pthread_t t1074; [L861] FCALL, FORK 0 pthread_create(&t1074, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$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 t1075; [L863] FCALL, FORK 0 pthread_create(&t1075, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=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 t1076; [L865] FCALL, FORK 0 pthread_create(&t1076, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L741] 1 b$w_buff1 = b$w_buff0 [L742] 1 b$w_buff0 = 1 [L743] 1 b$w_buff1_used = b$w_buff0_used [L744] 1 b$w_buff0_used = (_Bool)1 [L7] COND TRUE 1 !expression [L7] 1 __VERIFIER_error() [L746] 1 b$r_buff1_thd0 = b$r_buff0_thd0 [L747] 1 b$r_buff1_thd1 = b$r_buff0_thd1 [L748] 1 b$r_buff1_thd2 = b$r_buff0_thd2 [L749] 1 b$r_buff1_thd3 = b$r_buff0_thd3 [L750] 1 b$r_buff1_thd4 = b$r_buff0_thd4 [L751] 1 b$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L754] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L771] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L774] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L777] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L777] 2 b = b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L778] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L778] 2 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L779] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L779] 2 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L780] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L780] 2 b$r_buff0_thd2 = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L781] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L781] 2 b$r_buff1_thd2 = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L784] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L786] 2 return 0; [L791] 3 y = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L794] 3 __unbuffered_p2_EAX = z VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L797] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L797] 3 b = b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L798] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L798] 3 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L799] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L799] 3 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L800] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L800] 3 b$r_buff0_thd3 = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L801] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L801] 3 b$r_buff1_thd3 = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L804] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L806] 3 return 0; [L811] 4 z = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1] [L814] 4 a = 1 [L817] 4 __unbuffered_p3_EAX = a VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1] [L820] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L821] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L822] 4 b$flush_delayed = weak$$choice2 [L823] 4 b$mem_tmp = b [L824] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L824] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1 [L824] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L824] 4 b = !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L825] EXPR 4 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L825] 4 b$w_buff0 = weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L826] EXPR 4 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L826] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1) [L826] EXPR 4 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L826] 4 b$w_buff1 = weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L827] EXPR 4 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L827] 4 b$w_buff0_used = weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L828] EXPR 4 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L828] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L828] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0 [L828] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L828] EXPR 4 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L828] 4 b$w_buff1_used = weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L829] EXPR 4 weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L829] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4) [L829] EXPR 4 weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L829] 4 b$r_buff0_thd4 = weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L830] EXPR 4 weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L830] 4 b$r_buff1_thd4 = weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L831] 4 __unbuffered_p3_EBX = b [L832] EXPR 4 b$flush_delayed ? b$mem_tmp : b [L832] 4 b = b$flush_delayed ? b$mem_tmp : b [L833] 4 b$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=0, x=2, y=2, z=1] [L757] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L757] EXPR 1 b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b [L757] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L757] 1 b = b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L758] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L758] 1 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L759] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L759] 1 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L760] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L760] 1 b$r_buff0_thd1 = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L761] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L761] 1 b$r_buff1_thd1 = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L764] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L766] 1 return 0; [L836] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L836] 4 b = b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L837] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L837] 4 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L838] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L838] 4 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L839] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L839] 4 b$r_buff0_thd4 = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L840] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L840] 4 b$r_buff1_thd4 = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L843] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L845] 4 return 0; [L867] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L871] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L871] 0 b = b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L872] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L872] 0 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L873] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L873] 0 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L874] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L874] 0 b$r_buff0_thd0 = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L875] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L875] 0 b$r_buff1_thd0 = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L878] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=0, x=2, y=2, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 113 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.1s, OverallIterations: 13, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.4s, HoareTripleCheckerStatistics: 524 SDtfs, 632 SDslu, 963 SDs, 0 SdLazy, 257 SolverSat, 81 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6674occurred 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: 1.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 486 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 19372 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...