/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/thin000_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:12:24,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:12:24,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:12:24,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:12:24,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:12:24,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:12:24,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:12:24,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:12:24,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:12:24,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:12:24,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:12:24,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:12:24,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:12:24,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:12:24,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:12:24,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:12:24,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:12:24,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:12:24,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:12:24,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:12:24,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:12:24,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:12:24,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:12:24,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:12:24,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:12:24,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:12:24,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:12:24,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:12:24,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:12:24,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:12:24,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:12:24,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:12:24,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:12:24,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:12:24,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:12:24,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:12:24,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:12:24,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:12:24,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:12:24,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:12:24,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:12:24,732 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 12:12:24,768 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:12:24,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:12:24,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:12:24,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:12:24,772 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:12:24,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:12:24,773 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:12:24,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:12:24,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:12:24,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:12:24,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:12:24,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:12:24,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:12:24,775 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:12:24,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:12:24,776 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:12:24,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:12:24,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:12:24,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:12:24,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:12:24,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:12:24,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:12:24,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:12:24,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:12:24,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:12:24,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:12:24,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:12:24,778 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:12:24,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:12:25,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:12:25,123 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:12:25,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:12:25,128 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:12:25,129 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:12:25,129 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin000_power.opt.i [2020-10-16 12:12:25,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2999a336c/cbf91d6721b2454494e3cfec63a005b2/FLAGd33e6dc05 [2020-10-16 12:12:25,750 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:12:25,750 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/thin000_power.opt.i [2020-10-16 12:12:25,769 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2999a336c/cbf91d6721b2454494e3cfec63a005b2/FLAGd33e6dc05 [2020-10-16 12:12:26,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2999a336c/cbf91d6721b2454494e3cfec63a005b2 [2020-10-16 12:12:26,051 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:12:26,053 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:12:26,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:12:26,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:12:26,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:12:26,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:12:26" (1/1) ... [2020-10-16 12:12:26,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@120f1139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:26, skipping insertion in model container [2020-10-16 12:12:26,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:12:26" (1/1) ... [2020-10-16 12:12:26,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:12:26,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:12:26,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:12:26,798 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:12:26,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:12:26,987 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:12:26,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:26 WrapperNode [2020-10-16 12:12:26,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:12:26,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:12:26,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:12:26,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:12:27,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:26" (1/1) ... [2020-10-16 12:12:27,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:26" (1/1) ... [2020-10-16 12:12:27,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:12:27,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:12:27,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:12:27,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:12:27,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:26" (1/1) ... [2020-10-16 12:12:27,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:26" (1/1) ... [2020-10-16 12:12:27,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:26" (1/1) ... [2020-10-16 12:12:27,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:26" (1/1) ... [2020-10-16 12:12:27,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:26" (1/1) ... [2020-10-16 12:12:27,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:26" (1/1) ... [2020-10-16 12:12:27,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:26" (1/1) ... [2020-10-16 12:12:27,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:12:27,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:12:27,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:12:27,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:12:27,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:26" (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 12:12:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 12:12:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:12:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:12:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:12:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:12:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:12:27,174 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:12:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:12:27,174 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:12:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 12:12:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:12:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:12:27,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:12:27,177 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 12:12:30,002 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:12:30,002 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:12:30,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:12:30 BoogieIcfgContainer [2020-10-16 12:12:30,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:12:30,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:12:30,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:12:30,011 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:12:30,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:12:26" (1/3) ... [2020-10-16 12:12:30,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c4aa53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:12:30, skipping insertion in model container [2020-10-16 12:12:30,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:12:26" (2/3) ... [2020-10-16 12:12:30,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c4aa53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:12:30, skipping insertion in model container [2020-10-16 12:12:30,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:12:30" (3/3) ... [2020-10-16 12:12:30,015 INFO L111 eAbstractionObserver]: Analyzing ICFG thin000_power.opt.i [2020-10-16 12:12:30,029 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:12:30,030 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:12:30,038 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:12:30,039 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:12:30,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,074 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,074 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,074 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,075 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,078 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,078 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,104 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,104 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,105 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,106 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,106 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,172 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,174 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,175 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:12:30,177 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:12:30,191 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 12:12:30,214 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:12:30,215 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:12:30,215 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:12:30,215 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:12:30,215 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:12:30,216 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:12:30,216 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:12:30,216 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:12:30,231 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:12:30,231 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 92 transitions, 194 flow [2020-10-16 12:12:30,234 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 92 transitions, 194 flow [2020-10-16 12:12:30,236 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 97 places, 92 transitions, 194 flow [2020-10-16 12:12:30,282 INFO L129 PetriNetUnfolder]: 2/90 cut-off events. [2020-10-16 12:12:30,282 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:12:30,287 INFO L80 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 90 events. 2/90 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2020-10-16 12:12:30,289 INFO L117 LiptonReduction]: Number of co-enabled transitions 896 [2020-10-16 12:12:35,094 WARN L193 SmtUtils]: Spent 4.42 s on a formula simplification. DAG size of input: 406 DAG size of output: 364 [2020-10-16 12:12:35,142 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 2, 5, 2, 4, 2, 4, 4, 3, 2, 1] term [2020-10-16 12:12:35,143 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 12:12:35,146 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 2, 2, 3, 4, 3, 2, 1] term [2020-10-16 12:12:35,147 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 12:12:35,150 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 3, 4, 3, 2, 1] term [2020-10-16 12:12:35,150 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 12:12:35,152 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 4, 3, 2, 1] term [2020-10-16 12:12:35,152 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 12:12:35,155 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-10-16 12:12:35,155 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 12:12:35,160 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-16 12:12:35,160 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 12:12:36,619 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 198 DAG size of output: 174 [2020-10-16 12:12:36,921 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2020-10-16 12:12:36,927 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 4, 2, 1] term [2020-10-16 12:12:36,928 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 12:12:36,929 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-10-16 12:12:36,929 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 12:12:37,045 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-16 12:12:37,599 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-16 12:12:37,708 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-16 12:12:38,807 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-10-16 12:12:38,924 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-16 12:12:39,500 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2020-10-16 12:12:39,698 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-16 12:12:39,706 INFO L132 LiptonReduction]: Checked pairs total: 3103 [2020-10-16 12:12:39,706 INFO L134 LiptonReduction]: Total number of compositions: 80 [2020-10-16 12:12:39,718 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 22 transitions, 54 flow [2020-10-16 12:12:39,769 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 224 states. [2020-10-16 12:12:39,774 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states. [2020-10-16 12:12:39,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-16 12:12:39,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:39,784 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-16 12:12:39,785 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:39,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:39,791 INFO L82 PathProgramCache]: Analyzing trace with hash 40000104, now seen corresponding path program 1 times [2020-10-16 12:12:39,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:39,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569023468] [2020-10-16 12:12:39,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:40,026 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 12:12:40,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569023468] [2020-10-16 12:12:40,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:40,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:12:40,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277594343] [2020-10-16 12:12:40,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:12:40,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:40,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:12:40,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:12:40,051 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 3 states. [2020-10-16 12:12:40,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:40,146 INFO L93 Difference]: Finished difference Result 187 states and 450 transitions. [2020-10-16 12:12:40,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:12:40,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-16 12:12:40,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:40,159 INFO L225 Difference]: With dead ends: 187 [2020-10-16 12:12:40,159 INFO L226 Difference]: Without dead ends: 137 [2020-10-16 12:12:40,161 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 12:12:40,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-16 12:12:40,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-10-16 12:12:40,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-10-16 12:12:40,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 320 transitions. [2020-10-16 12:12:40,220 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 320 transitions. Word has length 4 [2020-10-16 12:12:40,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:40,221 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 320 transitions. [2020-10-16 12:12:40,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:12:40,221 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 320 transitions. [2020-10-16 12:12:40,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-16 12:12:40,223 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:40,223 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:40,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:12:40,224 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:40,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:40,224 INFO L82 PathProgramCache]: Analyzing trace with hash 805474594, now seen corresponding path program 1 times [2020-10-16 12:12:40,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:40,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500578407] [2020-10-16 12:12:40,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:40,432 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 12:12:40,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500578407] [2020-10-16 12:12:40,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:40,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:12:40,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570971531] [2020-10-16 12:12:40,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:12:40,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:40,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:12:40,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:12:40,439 INFO L87 Difference]: Start difference. First operand 137 states and 320 transitions. Second operand 4 states. [2020-10-16 12:12:40,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:40,491 INFO L93 Difference]: Finished difference Result 152 states and 337 transitions. [2020-10-16 12:12:40,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:12:40,496 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-16 12:12:40,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:40,498 INFO L225 Difference]: With dead ends: 152 [2020-10-16 12:12:40,498 INFO L226 Difference]: Without dead ends: 127 [2020-10-16 12:12:40,502 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 12:12:40,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-10-16 12:12:40,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2020-10-16 12:12:40,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-10-16 12:12:40,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 292 transitions. [2020-10-16 12:12:40,525 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 292 transitions. Word has length 8 [2020-10-16 12:12:40,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:40,525 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 292 transitions. [2020-10-16 12:12:40,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:12:40,526 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 292 transitions. [2020-10-16 12:12:40,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 12:12:40,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:40,533 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:40,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:12:40,533 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:40,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:40,534 INFO L82 PathProgramCache]: Analyzing trace with hash -800093897, now seen corresponding path program 1 times [2020-10-16 12:12:40,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:40,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284873418] [2020-10-16 12:12:40,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:40,707 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 12:12:40,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284873418] [2020-10-16 12:12:40,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:40,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:12:40,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920680277] [2020-10-16 12:12:40,709 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:12:40,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:40,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:12:40,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:12:40,710 INFO L87 Difference]: Start difference. First operand 127 states and 292 transitions. Second operand 4 states. [2020-10-16 12:12:40,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:40,743 INFO L93 Difference]: Finished difference Result 139 states and 305 transitions. [2020-10-16 12:12:40,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:12:40,749 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-16 12:12:40,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:40,751 INFO L225 Difference]: With dead ends: 139 [2020-10-16 12:12:40,751 INFO L226 Difference]: Without dead ends: 119 [2020-10-16 12:12:40,751 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 12:12:40,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-10-16 12:12:40,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2020-10-16 12:12:40,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-16 12:12:40,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 270 transitions. [2020-10-16 12:12:40,760 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 270 transitions. Word has length 9 [2020-10-16 12:12:40,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:40,761 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 270 transitions. [2020-10-16 12:12:40,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:12:40,769 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 270 transitions. [2020-10-16 12:12:40,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 12:12:40,770 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:40,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:40,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:12:40,771 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:40,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:40,772 INFO L82 PathProgramCache]: Analyzing trace with hash 443313609, now seen corresponding path program 1 times [2020-10-16 12:12:40,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:40,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715128659] [2020-10-16 12:12:40,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:40,870 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 12:12:40,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715128659] [2020-10-16 12:12:40,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:40,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:12:40,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799785108] [2020-10-16 12:12:40,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:12:40,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:40,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:12:40,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:12:40,873 INFO L87 Difference]: Start difference. First operand 119 states and 270 transitions. Second operand 5 states. [2020-10-16 12:12:40,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:40,931 INFO L93 Difference]: Finished difference Result 163 states and 363 transitions. [2020-10-16 12:12:40,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:12:40,933 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-16 12:12:40,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:40,933 INFO L225 Difference]: With dead ends: 163 [2020-10-16 12:12:40,934 INFO L226 Difference]: Without dead ends: 79 [2020-10-16 12:12:40,934 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:12:40,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-10-16 12:12:40,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2020-10-16 12:12:40,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-10-16 12:12:40,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 168 transitions. [2020-10-16 12:12:40,941 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 168 transitions. Word has length 10 [2020-10-16 12:12:40,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:40,941 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 168 transitions. [2020-10-16 12:12:40,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:12:40,941 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 168 transitions. [2020-10-16 12:12:40,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 12:12:40,942 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:40,942 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:40,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:12:40,943 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:40,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:40,943 INFO L82 PathProgramCache]: Analyzing trace with hash -696408805, now seen corresponding path program 1 times [2020-10-16 12:12:40,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:40,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299541591] [2020-10-16 12:12:40,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:41,169 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 12:12:41,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299541591] [2020-10-16 12:12:41,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:41,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:12:41,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340227290] [2020-10-16 12:12:41,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:12:41,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:41,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:12:41,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:12:41,172 INFO L87 Difference]: Start difference. First operand 79 states and 168 transitions. Second operand 7 states. [2020-10-16 12:12:41,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:41,409 INFO L93 Difference]: Finished difference Result 94 states and 193 transitions. [2020-10-16 12:12:41,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:12:41,413 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2020-10-16 12:12:41,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:41,415 INFO L225 Difference]: With dead ends: 94 [2020-10-16 12:12:41,416 INFO L226 Difference]: Without dead ends: 80 [2020-10-16 12:12:41,416 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:12:41,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-10-16 12:12:41,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2020-10-16 12:12:41,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-16 12:12:41,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 157 transitions. [2020-10-16 12:12:41,424 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 157 transitions. Word has length 11 [2020-10-16 12:12:41,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:41,424 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 157 transitions. [2020-10-16 12:12:41,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:12:41,424 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 157 transitions. [2020-10-16 12:12:41,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:12:41,425 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:41,426 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:41,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:12:41,426 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:41,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:41,426 INFO L82 PathProgramCache]: Analyzing trace with hash -145415548, now seen corresponding path program 1 times [2020-10-16 12:12:41,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:41,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050602152] [2020-10-16 12:12:41,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:41,807 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 12:12:41,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050602152] [2020-10-16 12:12:41,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:41,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-16 12:12:41,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331311443] [2020-10-16 12:12:41,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-16 12:12:41,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:41,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-16 12:12:41,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:12:41,810 INFO L87 Difference]: Start difference. First operand 76 states and 157 transitions. Second operand 10 states. [2020-10-16 12:12:42,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:42,179 INFO L93 Difference]: Finished difference Result 91 states and 182 transitions. [2020-10-16 12:12:42,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 12:12:42,180 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2020-10-16 12:12:42,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:42,181 INFO L225 Difference]: With dead ends: 91 [2020-10-16 12:12:42,181 INFO L226 Difference]: Without dead ends: 80 [2020-10-16 12:12:42,182 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-10-16 12:12:42,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-10-16 12:12:42,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2020-10-16 12:12:42,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-16 12:12:42,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 159 transitions. [2020-10-16 12:12:42,188 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 159 transitions. Word has length 12 [2020-10-16 12:12:42,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:42,188 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 159 transitions. [2020-10-16 12:12:42,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-16 12:12:42,189 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 159 transitions. [2020-10-16 12:12:42,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:12:42,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:42,190 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:42,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:12:42,190 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:42,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:42,190 INFO L82 PathProgramCache]: Analyzing trace with hash 764794563, now seen corresponding path program 1 times [2020-10-16 12:12:42,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:42,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177233775] [2020-10-16 12:12:42,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:42,525 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 12:12:42,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177233775] [2020-10-16 12:12:42,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:42,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 12:12:42,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847057073] [2020-10-16 12:12:42,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 12:12:42,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:42,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 12:12:42,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:12:42,530 INFO L87 Difference]: Start difference. First operand 77 states and 159 transitions. Second operand 9 states. [2020-10-16 12:12:42,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:42,746 INFO L93 Difference]: Finished difference Result 88 states and 176 transitions. [2020-10-16 12:12:42,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:12:42,748 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 13 [2020-10-16 12:12:42,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:42,749 INFO L225 Difference]: With dead ends: 88 [2020-10-16 12:12:42,749 INFO L226 Difference]: Without dead ends: 82 [2020-10-16 12:12:42,749 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:12:42,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-10-16 12:12:42,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 78. [2020-10-16 12:12:42,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-16 12:12:42,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 161 transitions. [2020-10-16 12:12:42,757 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 161 transitions. Word has length 13 [2020-10-16 12:12:42,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:42,757 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 161 transitions. [2020-10-16 12:12:42,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 12:12:42,758 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 161 transitions. [2020-10-16 12:12:42,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:12:42,759 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:42,759 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:42,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:12:42,759 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:42,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:42,760 INFO L82 PathProgramCache]: Analyzing trace with hash 764787836, now seen corresponding path program 1 times [2020-10-16 12:12:42,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:42,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098185992] [2020-10-16 12:12:42,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:42,873 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 12:12:42,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098185992] [2020-10-16 12:12:42,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:42,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:12:42,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394534925] [2020-10-16 12:12:42,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:12:42,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:42,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:12:42,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:12:42,875 INFO L87 Difference]: Start difference. First operand 78 states and 161 transitions. Second operand 4 states. [2020-10-16 12:12:42,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:42,910 INFO L93 Difference]: Finished difference Result 68 states and 117 transitions. [2020-10-16 12:12:42,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:12:42,911 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-16 12:12:42,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:42,911 INFO L225 Difference]: With dead ends: 68 [2020-10-16 12:12:42,911 INFO L226 Difference]: Without dead ends: 49 [2020-10-16 12:12:42,912 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 12:12:42,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-16 12:12:42,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-16 12:12:42,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-16 12:12:42,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 79 transitions. [2020-10-16 12:12:42,915 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 79 transitions. Word has length 13 [2020-10-16 12:12:42,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:42,915 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 79 transitions. [2020-10-16 12:12:42,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:12:42,915 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 79 transitions. [2020-10-16 12:12:42,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:12:42,916 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:42,916 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:42,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:12:42,917 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:42,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:42,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1415602894, now seen corresponding path program 1 times [2020-10-16 12:12:42,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:42,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62271148] [2020-10-16 12:12:42,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:43,178 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 12:12:43,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62271148] [2020-10-16 12:12:43,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:43,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 12:12:43,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263527601] [2020-10-16 12:12:43,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 12:12:43,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:43,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 12:12:43,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:12:43,181 INFO L87 Difference]: Start difference. First operand 49 states and 79 transitions. Second operand 9 states. [2020-10-16 12:12:43,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:43,411 INFO L93 Difference]: Finished difference Result 50 states and 78 transitions. [2020-10-16 12:12:43,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:12:43,412 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-10-16 12:12:43,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:43,412 INFO L225 Difference]: With dead ends: 50 [2020-10-16 12:12:43,412 INFO L226 Difference]: Without dead ends: 47 [2020-10-16 12:12:43,413 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:12:43,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-16 12:12:43,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 43. [2020-10-16 12:12:43,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-16 12:12:43,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 68 transitions. [2020-10-16 12:12:43,415 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 68 transitions. Word has length 14 [2020-10-16 12:12:43,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:43,416 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 68 transitions. [2020-10-16 12:12:43,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 12:12:43,416 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2020-10-16 12:12:43,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:12:43,416 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:43,417 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:43,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:12:43,417 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:43,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:43,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1224434047, now seen corresponding path program 1 times [2020-10-16 12:12:43,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:43,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204076800] [2020-10-16 12:12:43,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:12:43,505 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 12:12:43,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204076800] [2020-10-16 12:12:43,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:12:43,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:12:43,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18980700] [2020-10-16 12:12:43,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:12:43,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:12:43,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:12:43,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:12:43,507 INFO L87 Difference]: Start difference. First operand 43 states and 68 transitions. Second operand 5 states. [2020-10-16 12:12:43,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:12:43,561 INFO L93 Difference]: Finished difference Result 32 states and 44 transitions. [2020-10-16 12:12:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:12:43,562 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-16 12:12:43,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:12:43,563 INFO L225 Difference]: With dead ends: 32 [2020-10-16 12:12:43,563 INFO L226 Difference]: Without dead ends: 25 [2020-10-16 12:12:43,563 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 12:12:43,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-16 12:12:43,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-10-16 12:12:43,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-16 12:12:43,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2020-10-16 12:12:43,565 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 14 [2020-10-16 12:12:43,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:12:43,566 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2020-10-16 12:12:43,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:12:43,566 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2020-10-16 12:12:43,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 12:12:43,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:12:43,566 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:12:43,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:12:43,567 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:12:43,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:12:43,567 INFO L82 PathProgramCache]: Analyzing trace with hash -64981483, now seen corresponding path program 1 times [2020-10-16 12:12:43,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:12:43,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759391998] [2020-10-16 12:12:43,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:12:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:12:43,618 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:12:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:12:43,668 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:12:43,712 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:12:43,712 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:12:43,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 12:12:43,798 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 12:12:43,799 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,801 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 12:12:43,801 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,802 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 12:12:43,802 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,802 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 12:12:43,803 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,804 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 12:12:43,804 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,804 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 12:12:43,804 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,805 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 12:12:43,805 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,805 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 12:12:43,805 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,806 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 12:12:43,806 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,807 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 12:12:43,807 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,807 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 12:12:43,808 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,808 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 12:12:43,808 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,808 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 12:12:43,808 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,810 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 12:12:43,810 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,810 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 12:12:43,810 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,810 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 12:12:43,811 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,811 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 12:12:43,811 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,817 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 12:12:43,818 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,819 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 12:12:43,820 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,820 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 12:12:43,820 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,820 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 12:12:43,821 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,821 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 12:12:43,821 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,821 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 12:12:43,822 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,825 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 12:12:43,826 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,826 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 12:12:43,826 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,826 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 12:12:43,826 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,827 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 12:12:43,827 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,827 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 12:12:43,828 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,828 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 12:12:43,828 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,830 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 12:12:43,831 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,831 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 12:12:43,831 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,831 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 12:12:43,831 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,832 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 12:12:43,832 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,832 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 12:12:43,832 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,833 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 12:12:43,833 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,833 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 12:12:43,833 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:12:43,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:12:43 BasicIcfg [2020-10-16 12:12:43,934 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:12:43,937 INFO L168 Benchmark]: Toolchain (without parser) took 17883.12 ms. Allocated memory was 142.6 MB in the beginning and 411.6 MB in the end (delta: 269.0 MB). Free memory was 104.0 MB in the beginning and 357.3 MB in the end (delta: -253.3 MB). Peak memory consumption was 283.3 MB. Max. memory is 7.1 GB. [2020-10-16 12:12:43,937 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.6 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 12:12:43,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 936.54 ms. Allocated memory was 142.6 MB in the beginning and 203.9 MB in the end (delta: 61.3 MB). Free memory was 103.8 MB in the beginning and 158.1 MB in the end (delta: -54.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-10-16 12:12:43,939 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.03 ms. Allocated memory is still 203.9 MB. Free memory was 158.1 MB in the beginning and 154.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2020-10-16 12:12:43,940 INFO L168 Benchmark]: Boogie Preprocessor took 47.30 ms. Allocated memory is still 203.9 MB. Free memory was 154.9 MB in the beginning and 152.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-10-16 12:12:43,940 INFO L168 Benchmark]: RCFGBuilder took 2901.07 ms. Allocated memory was 203.9 MB in the beginning and 243.8 MB in the end (delta: 39.8 MB). Free memory was 152.4 MB in the beginning and 116.2 MB in the end (delta: 36.2 MB). Peak memory consumption was 96.2 MB. Max. memory is 7.1 GB. [2020-10-16 12:12:43,941 INFO L168 Benchmark]: TraceAbstraction took 13926.49 ms. Allocated memory was 243.8 MB in the beginning and 411.6 MB in the end (delta: 167.8 MB). Free memory was 116.2 MB in the beginning and 357.3 MB in the end (delta: -241.1 MB). Peak memory consumption was 194.3 MB. Max. memory is 7.1 GB. [2020-10-16 12:12:43,952 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 142.6 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 936.54 ms. Allocated memory was 142.6 MB in the beginning and 203.9 MB in the end (delta: 61.3 MB). Free memory was 103.8 MB in the beginning and 158.1 MB in the end (delta: -54.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 63.03 ms. Allocated memory is still 203.9 MB. Free memory was 158.1 MB in the beginning and 154.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.30 ms. Allocated memory is still 203.9 MB. Free memory was 154.9 MB in the beginning and 152.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2901.07 ms. Allocated memory was 203.9 MB in the beginning and 243.8 MB in the end (delta: 39.8 MB). Free memory was 152.4 MB in the beginning and 116.2 MB in the end (delta: 36.2 MB). Peak memory consumption was 96.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13926.49 ms. Allocated memory was 243.8 MB in the beginning and 411.6 MB in the end (delta: 167.8 MB). Free memory was 116.2 MB in the beginning and 357.3 MB in the end (delta: -241.1 MB). Peak memory consumption was 194.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 453 VarBasedMoverChecksPositive, 25 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 52 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 9.4s, 97 PlacesBefore, 28 PlacesAfterwards, 92 TransitionsBefore, 22 TransitionsAfterwards, 896 CoEnabledTransitionPairs, 7 FixpointIterations, 45 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 80 TotalNumberOfCompositions, 3103 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L697] 0 int __unbuffered_cnt = 0; [L699] 0 int __unbuffered_p0_EAX = 0; [L701] 0 int __unbuffered_p1_EAX = 0; [L702] 0 _Bool __unbuffered_p1_EAX$flush_delayed; [L703] 0 int __unbuffered_p1_EAX$mem_tmp; [L704] 0 _Bool __unbuffered_p1_EAX$r_buff0_thd0; [L705] 0 _Bool __unbuffered_p1_EAX$r_buff0_thd1; [L706] 0 _Bool __unbuffered_p1_EAX$r_buff0_thd2; [L707] 0 _Bool __unbuffered_p1_EAX$r_buff1_thd0; [L708] 0 _Bool __unbuffered_p1_EAX$r_buff1_thd1; [L709] 0 _Bool __unbuffered_p1_EAX$r_buff1_thd2; [L710] 0 _Bool __unbuffered_p1_EAX$read_delayed; [L711] 0 int *__unbuffered_p1_EAX$read_delayed_var; [L712] 0 int __unbuffered_p1_EAX$w_buff0; [L713] 0 _Bool __unbuffered_p1_EAX$w_buff0_used; [L714] 0 int __unbuffered_p1_EAX$w_buff1; [L715] 0 _Bool __unbuffered_p1_EAX$w_buff1_used; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L720] 0 _Bool x$flush_delayed; [L721] 0 int x$mem_tmp; [L722] 0 _Bool x$r_buff0_thd0; [L723] 0 _Bool x$r_buff0_thd1; [L724] 0 _Bool x$r_buff0_thd2; [L725] 0 _Bool x$r_buff1_thd0; [L726] 0 _Bool x$r_buff1_thd1; [L727] 0 _Bool x$r_buff1_thd2; [L728] 0 _Bool x$read_delayed; [L729] 0 int *x$read_delayed_var; [L730] 0 int x$w_buff0; [L731] 0 _Bool x$w_buff0_used; [L732] 0 int x$w_buff1; [L733] 0 _Bool x$w_buff1_used; [L735] 0 int y = 0; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice1; [L738] 0 _Bool weak$$choice2; [L814] 0 pthread_t t2667; [L815] FCALL, FORK 0 pthread_create(&t2667, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={5:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L816] 0 pthread_t t2668; [L817] FCALL, FORK 0 pthread_create(&t2668, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={5:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L770] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L771] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L772] 2 x$flush_delayed = weak$$choice2 [L773] EXPR 2 \read(x) [L773] 2 x$mem_tmp = x [L774] 2 weak$$choice1 = __VERIFIER_nondet_bool() [L775] EXPR 2 !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)))) [L775] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x))) [L775] EXPR 2 !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)))) [L775] 2 x = !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)))) [L776] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)))) [L776] EXPR 2 !x$w_buff0_used ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0))) [L776] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)))) [L776] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)))) [L777] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)))) [L777] EXPR 2 !x$w_buff0_used ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1))) [L777] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L777] EXPR 2 x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1) [L777] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L777] EXPR 2 !x$w_buff0_used ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1))) [L777] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)))) [L777] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)))) [L778] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 || !weak$$choice1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : weak$$choice0)))) [L778] EXPR 2 !x$w_buff0_used ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 || !weak$$choice1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : weak$$choice0))) [L778] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 || !weak$$choice1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : weak$$choice0)))) [L778] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 || !weak$$choice1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : weak$$choice0)))) [L779] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L779] EXPR 2 !x$w_buff0_used ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))) [L779] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L779] EXPR 2 !x$w_buff0_used ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))) [L779] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L779] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L780] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L780] EXPR 2 !x$w_buff0_used ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))) [L780] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] EXPR 2 !x$w_buff0_used ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))) [L780] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L780] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L781] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$r_buff1_thd2 : (_Bool)0) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L781] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$r_buff1_thd2 : (_Bool)0) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L782] 2 __unbuffered_p1_EAX$read_delayed = (_Bool)1 [L783] 2 __unbuffered_p1_EAX$read_delayed_var = &x [L784] EXPR 2 \read(x) [L784] 2 __unbuffered_p1_EAX = x [L785] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L785] 2 x = x$flush_delayed ? x$mem_tmp : x [L786] 2 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={5:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x={5:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L789] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={5:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x={5:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L792] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L793] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L793] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L794] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L794] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L795] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L795] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L796] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L796] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L799] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L801] 2 return 0; [L742] 1 __unbuffered_p0_EAX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={5:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x={5:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L745] 1 x$w_buff1 = x$w_buff0 [L746] 1 x$w_buff0 = 1 [L747] 1 x$w_buff1_used = x$w_buff0_used [L748] 1 x$w_buff0_used = (_Bool)1 [L7] COND FALSE 1 !(!expression) [L750] 1 x$r_buff1_thd0 = x$r_buff0_thd0 [L751] 1 x$r_buff1_thd1 = x$r_buff0_thd1 [L752] 1 x$r_buff1_thd2 = x$r_buff0_thd2 [L753] 1 x$r_buff0_thd1 = (_Bool)1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={5:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x={5:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L756] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L756] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L757] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L757] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L758] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L758] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L759] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L759] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L760] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L760] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L763] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L765] 1 return 0; [L819] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L823] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L823] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L823] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L823] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L824] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L824] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L825] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L825] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L826] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L826] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L827] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L827] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L830] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L831] EXPR 0 __unbuffered_p1_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX) : __unbuffered_p1_EAX [L831] 0 __unbuffered_p1_EAX = __unbuffered_p1_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX) : __unbuffered_p1_EAX [L832] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p1_EAX == 1) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={5:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x={5:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 91 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.5s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.5s, HoareTripleCheckerStatistics: 167 SDtfs, 176 SDslu, 362 SDs, 0 SdLazy, 328 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 15 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 13474 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...