/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/mix003_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 11:56:15,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 11:56:15,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 11:56:15,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 11:56:15,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 11:56:15,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 11:56:15,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 11:56:15,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 11:56:15,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 11:56:15,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 11:56:15,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 11:56:15,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 11:56:15,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 11:56:15,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 11:56:15,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 11:56:15,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 11:56:15,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 11:56:15,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 11:56:15,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 11:56:15,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 11:56:15,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 11:56:15,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 11:56:15,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 11:56:15,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 11:56:15,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 11:56:15,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 11:56:15,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 11:56:15,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 11:56:15,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 11:56:15,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 11:56:15,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 11:56:15,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 11:56:15,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 11:56:15,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 11:56:15,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 11:56:15,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 11:56:15,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 11:56:15,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 11:56:15,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 11:56:15,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 11:56:15,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 11:56:15,150 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 11:56:15,171 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 11:56:15,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 11:56:15,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 11:56:15,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 11:56:15,173 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 11:56:15,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 11:56:15,174 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 11:56:15,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 11:56:15,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 11:56:15,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 11:56:15,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 11:56:15,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 11:56:15,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 11:56:15,175 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 11:56:15,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 11:56:15,175 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 11:56:15,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 11:56:15,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 11:56:15,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 11:56:15,176 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 11:56:15,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 11:56:15,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 11:56:15,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 11:56:15,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 11:56:15,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 11:56:15,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 11:56:15,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 11:56:15,177 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 11:56:15,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 11:56:15,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 11:56:15,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 11:56:15,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 11:56:15,502 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 11:56:15,503 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 11:56:15,503 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix003_rmo.oepc.i [2020-10-16 11:56:15,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/523f7d0a9/abddd65476fb4dc393154c474b6b4ca4/FLAG5c2448f83 [2020-10-16 11:56:16,126 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 11:56:16,127 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix003_rmo.oepc.i [2020-10-16 11:56:16,148 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/523f7d0a9/abddd65476fb4dc393154c474b6b4ca4/FLAG5c2448f83 [2020-10-16 11:56:16,533 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/523f7d0a9/abddd65476fb4dc393154c474b6b4ca4 [2020-10-16 11:56:16,541 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 11:56:16,543 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 11:56:16,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 11:56:16,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 11:56:16,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 11:56:16,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:56:16" (1/1) ... [2020-10-16 11:56:16,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a021bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:16, skipping insertion in model container [2020-10-16 11:56:16,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:56:16" (1/1) ... [2020-10-16 11:56:16,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 11:56:16,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 11:56:17,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:56:17,250 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 11:56:17,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:56:17,384 INFO L208 MainTranslator]: Completed translation [2020-10-16 11:56:17,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:17 WrapperNode [2020-10-16 11:56:17,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 11:56:17,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 11:56:17,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 11:56:17,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 11:56:17,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:17" (1/1) ... [2020-10-16 11:56:17,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:17" (1/1) ... [2020-10-16 11:56:17,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 11:56:17,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 11:56:17,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 11:56:17,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 11:56:17,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:17" (1/1) ... [2020-10-16 11:56:17,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:17" (1/1) ... [2020-10-16 11:56:17,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:17" (1/1) ... [2020-10-16 11:56:17,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:17" (1/1) ... [2020-10-16 11:56:17,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:17" (1/1) ... [2020-10-16 11:56:17,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:17" (1/1) ... [2020-10-16 11:56:17,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:17" (1/1) ... [2020-10-16 11:56:17,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 11:56:17,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 11:56:17,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 11:56:17,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 11:56:17,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:17" (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 11:56:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 11:56:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 11:56:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 11:56:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 11:56:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 11:56:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 11:56:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 11:56:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 11:56:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 11:56:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 11:56:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 11:56:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 11:56:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 11:56:17,591 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 11:56:19,684 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 11:56:19,684 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 11:56:19,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:56:19 BoogieIcfgContainer [2020-10-16 11:56:19,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 11:56:19,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 11:56:19,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 11:56:19,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 11:56:19,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:56:16" (1/3) ... [2020-10-16 11:56:19,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7584f165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:56:19, skipping insertion in model container [2020-10-16 11:56:19,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:17" (2/3) ... [2020-10-16 11:56:19,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7584f165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:56:19, skipping insertion in model container [2020-10-16 11:56:19,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:56:19" (3/3) ... [2020-10-16 11:56:19,696 INFO L111 eAbstractionObserver]: Analyzing ICFG mix003_rmo.oepc.i [2020-10-16 11:56:19,708 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 11:56:19,708 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 11:56:19,716 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 11:56:19,717 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 11:56:19,749 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,749 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,749 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,750 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,750 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,750 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,750 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,751 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,751 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,751 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,751 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,751 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,751 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,752 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,752 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,752 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,752 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,753 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,753 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,756 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,756 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,757 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,757 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,757 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,757 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,757 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,758 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,758 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,758 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,758 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,758 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,758 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,771 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,771 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,771 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,771 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,772 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,772 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,772 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,772 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,772 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,773 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,773 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,773 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,773 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,773 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,774 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,784 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,784 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,784 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,785 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,785 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,785 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,785 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,785 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,786 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,786 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,786 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,786 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,788 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,788 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,788 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,788 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,789 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,789 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,789 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,789 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,789 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,789 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:19,791 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 11:56:19,805 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 11:56:19,826 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 11:56:19,826 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 11:56:19,826 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 11:56:19,826 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 11:56:19,827 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 11:56:19,827 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 11:56:19,827 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 11:56:19,827 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 11:56:19,841 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 11:56:19,841 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 98 transitions, 211 flow [2020-10-16 11:56:19,844 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 98 transitions, 211 flow [2020-10-16 11:56:19,846 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 106 places, 98 transitions, 211 flow [2020-10-16 11:56:19,894 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2020-10-16 11:56:19,894 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 11:56:19,899 INFO L80 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 69 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2020-10-16 11:56:19,903 INFO L117 LiptonReduction]: Number of co-enabled transitions 1824 [2020-10-16 11:56:20,351 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 11:56:20,504 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-16 11:56:20,892 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-10-16 11:56:21,088 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 11:56:22,205 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2020-10-16 11:56:22,370 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-16 11:56:22,378 INFO L132 LiptonReduction]: Checked pairs total: 5693 [2020-10-16 11:56:22,379 INFO L134 LiptonReduction]: Total number of compositions: 79 [2020-10-16 11:56:22,384 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 30 transitions, 75 flow [2020-10-16 11:56:22,461 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1382 states. [2020-10-16 11:56:22,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states. [2020-10-16 11:56:22,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-16 11:56:22,470 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:56:22,471 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-16 11:56:22,472 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:56:22,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:56:22,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1057965, now seen corresponding path program 1 times [2020-10-16 11:56:22,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:56:22,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532420918] [2020-10-16 11:56:22,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:56:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:56:22,709 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 11:56:22,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532420918] [2020-10-16 11:56:22,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:56:22,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 11:56:22,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736917633] [2020-10-16 11:56:22,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:56:22,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:56:22,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:56:22,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:56:22,741 INFO L87 Difference]: Start difference. First operand 1382 states. Second operand 3 states. [2020-10-16 11:56:22,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:56:22,855 INFO L93 Difference]: Finished difference Result 1152 states and 3742 transitions. [2020-10-16 11:56:22,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:56:22,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-16 11:56:22,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:56:22,894 INFO L225 Difference]: With dead ends: 1152 [2020-10-16 11:56:22,894 INFO L226 Difference]: Without dead ends: 972 [2020-10-16 11:56:22,895 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 11:56:22,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2020-10-16 11:56:23,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 972. [2020-10-16 11:56:23,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 972 states. [2020-10-16 11:56:23,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 3118 transitions. [2020-10-16 11:56:23,037 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 3118 transitions. Word has length 3 [2020-10-16 11:56:23,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:56:23,037 INFO L481 AbstractCegarLoop]: Abstraction has 972 states and 3118 transitions. [2020-10-16 11:56:23,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:56:23,037 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 3118 transitions. [2020-10-16 11:56:23,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 11:56:23,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:56:23,040 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:56:23,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 11:56:23,040 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:56:23,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:56:23,041 INFO L82 PathProgramCache]: Analyzing trace with hash 86357175, now seen corresponding path program 1 times [2020-10-16 11:56:23,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:56:23,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213458394] [2020-10-16 11:56:23,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:56:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:56:23,203 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 11:56:23,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213458394] [2020-10-16 11:56:23,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:56:23,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 11:56:23,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023725772] [2020-10-16 11:56:23,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:56:23,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:56:23,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:56:23,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:56:23,206 INFO L87 Difference]: Start difference. First operand 972 states and 3118 transitions. Second operand 4 states. [2020-10-16 11:56:23,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:56:23,251 INFO L93 Difference]: Finished difference Result 1032 states and 3186 transitions. [2020-10-16 11:56:23,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:56:23,252 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-16 11:56:23,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:56:23,259 INFO L225 Difference]: With dead ends: 1032 [2020-10-16 11:56:23,259 INFO L226 Difference]: Without dead ends: 852 [2020-10-16 11:56:23,260 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 11:56:23,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-10-16 11:56:23,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 852. [2020-10-16 11:56:23,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2020-10-16 11:56:23,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 2682 transitions. [2020-10-16 11:56:23,294 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 2682 transitions. Word has length 10 [2020-10-16 11:56:23,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:56:23,295 INFO L481 AbstractCegarLoop]: Abstraction has 852 states and 2682 transitions. [2020-10-16 11:56:23,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:56:23,295 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 2682 transitions. [2020-10-16 11:56:23,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 11:56:23,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:56:23,299 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:56:23,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 11:56:23,299 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:56:23,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:56:23,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1386727422, now seen corresponding path program 1 times [2020-10-16 11:56:23,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:56:23,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87977130] [2020-10-16 11:56:23,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:56:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:56:23,405 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 11:56:23,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87977130] [2020-10-16 11:56:23,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:56:23,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 11:56:23,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988248292] [2020-10-16 11:56:23,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:56:23,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:56:23,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:56:23,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:56:23,408 INFO L87 Difference]: Start difference. First operand 852 states and 2682 transitions. Second operand 4 states. [2020-10-16 11:56:23,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:56:23,439 INFO L93 Difference]: Finished difference Result 892 states and 2724 transitions. [2020-10-16 11:56:23,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:56:23,440 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-16 11:56:23,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:56:23,446 INFO L225 Difference]: With dead ends: 892 [2020-10-16 11:56:23,446 INFO L226 Difference]: Without dead ends: 772 [2020-10-16 11:56:23,447 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 11:56:23,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2020-10-16 11:56:23,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 772. [2020-10-16 11:56:23,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 772 states. [2020-10-16 11:56:23,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 2398 transitions. [2020-10-16 11:56:23,472 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 2398 transitions. Word has length 12 [2020-10-16 11:56:23,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:56:23,473 INFO L481 AbstractCegarLoop]: Abstraction has 772 states and 2398 transitions. [2020-10-16 11:56:23,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:56:23,473 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 2398 transitions. [2020-10-16 11:56:23,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 11:56:23,477 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:56:23,477 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:56:23,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 11:56:23,478 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:56:23,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:56:23,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1629100750, now seen corresponding path program 1 times [2020-10-16 11:56:23,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:56:23,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028949618] [2020-10-16 11:56:23,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:56:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:56:23,540 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 11:56:23,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028949618] [2020-10-16 11:56:23,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:56:23,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 11:56:23,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993961380] [2020-10-16 11:56:23,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:56:23,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:56:23,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:56:23,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:56:23,543 INFO L87 Difference]: Start difference. First operand 772 states and 2398 transitions. Second operand 4 states. [2020-10-16 11:56:23,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:56:23,592 INFO L93 Difference]: Finished difference Result 680 states and 1854 transitions. [2020-10-16 11:56:23,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:56:23,592 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-16 11:56:23,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:56:23,596 INFO L225 Difference]: With dead ends: 680 [2020-10-16 11:56:23,596 INFO L226 Difference]: Without dead ends: 500 [2020-10-16 11:56:23,597 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 11:56:23,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2020-10-16 11:56:23,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 500. [2020-10-16 11:56:23,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2020-10-16 11:56:23,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 1310 transitions. [2020-10-16 11:56:23,612 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 1310 transitions. Word has length 14 [2020-10-16 11:56:23,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:56:23,612 INFO L481 AbstractCegarLoop]: Abstraction has 500 states and 1310 transitions. [2020-10-16 11:56:23,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:56:23,612 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 1310 transitions. [2020-10-16 11:56:23,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-16 11:56:23,614 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:56:23,614 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:56:23,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 11:56:23,614 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:56:23,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:56:23,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1872707959, now seen corresponding path program 1 times [2020-10-16 11:56:23,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:56:23,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144412554] [2020-10-16 11:56:23,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:56:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:56:23,829 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 11:56:23,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144412554] [2020-10-16 11:56:23,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:56:23,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 11:56:23,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433002031] [2020-10-16 11:56:23,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 11:56:23,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:56:23,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 11:56:23,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:56:23,834 INFO L87 Difference]: Start difference. First operand 500 states and 1310 transitions. Second operand 5 states. [2020-10-16 11:56:23,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:56:23,889 INFO L93 Difference]: Finished difference Result 384 states and 931 transitions. [2020-10-16 11:56:23,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 11:56:23,890 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-16 11:56:23,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:56:23,892 INFO L225 Difference]: With dead ends: 384 [2020-10-16 11:56:23,892 INFO L226 Difference]: Without dead ends: 304 [2020-10-16 11:56:23,893 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 11:56:23,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-10-16 11:56:23,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2020-10-16 11:56:23,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-10-16 11:56:23,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 722 transitions. [2020-10-16 11:56:23,901 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 722 transitions. Word has length 17 [2020-10-16 11:56:23,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:56:23,902 INFO L481 AbstractCegarLoop]: Abstraction has 304 states and 722 transitions. [2020-10-16 11:56:23,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 11:56:23,902 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 722 transitions. [2020-10-16 11:56:23,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-16 11:56:23,904 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:56:23,904 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:56:23,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 11:56:23,904 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:56:23,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:56:23,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1070145177, now seen corresponding path program 1 times [2020-10-16 11:56:23,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:56:23,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63318776] [2020-10-16 11:56:23,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:56:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:56:24,135 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 11:56:24,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63318776] [2020-10-16 11:56:24,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:56:24,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 11:56:24,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595521183] [2020-10-16 11:56:24,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 11:56:24,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:56:24,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 11:56:24,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:56:24,139 INFO L87 Difference]: Start difference. First operand 304 states and 722 transitions. Second operand 5 states. [2020-10-16 11:56:24,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:56:24,184 INFO L93 Difference]: Finished difference Result 417 states and 960 transitions. [2020-10-16 11:56:24,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:56:24,185 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-10-16 11:56:24,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:56:24,187 INFO L225 Difference]: With dead ends: 417 [2020-10-16 11:56:24,187 INFO L226 Difference]: Without dead ends: 310 [2020-10-16 11:56:24,188 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:56:24,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-10-16 11:56:24,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 304. [2020-10-16 11:56:24,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-10-16 11:56:24,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 695 transitions. [2020-10-16 11:56:24,197 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 695 transitions. Word has length 20 [2020-10-16 11:56:24,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:56:24,197 INFO L481 AbstractCegarLoop]: Abstraction has 304 states and 695 transitions. [2020-10-16 11:56:24,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 11:56:24,197 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 695 transitions. [2020-10-16 11:56:24,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-16 11:56:24,199 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:56:24,199 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:56:24,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 11:56:24,199 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:56:24,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:56:24,200 INFO L82 PathProgramCache]: Analyzing trace with hash -230253751, now seen corresponding path program 2 times [2020-10-16 11:56:24,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:56:24,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379279387] [2020-10-16 11:56:24,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:56:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:56:24,387 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 11:56:24,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379279387] [2020-10-16 11:56:24,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:56:24,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 11:56:24,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546165222] [2020-10-16 11:56:24,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 11:56:24,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:56:24,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 11:56:24,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 11:56:24,390 INFO L87 Difference]: Start difference. First operand 304 states and 695 transitions. Second operand 6 states. [2020-10-16 11:56:24,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:56:24,446 INFO L93 Difference]: Finished difference Result 271 states and 628 transitions. [2020-10-16 11:56:24,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 11:56:24,447 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-10-16 11:56:24,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:56:24,449 INFO L225 Difference]: With dead ends: 271 [2020-10-16 11:56:24,449 INFO L226 Difference]: Without dead ends: 181 [2020-10-16 11:56:24,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:56:24,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-10-16 11:56:24,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2020-10-16 11:56:24,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-16 11:56:24,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 416 transitions. [2020-10-16 11:56:24,456 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 416 transitions. Word has length 20 [2020-10-16 11:56:24,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:56:24,456 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 416 transitions. [2020-10-16 11:56:24,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 11:56:24,456 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 416 transitions. [2020-10-16 11:56:24,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-16 11:56:24,457 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:56:24,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:56:24,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 11:56:24,458 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:56:24,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:56:24,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1436803184, now seen corresponding path program 1 times [2020-10-16 11:56:24,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:56:24,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337433394] [2020-10-16 11:56:24,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:56:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:56:24,669 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 11:56:24,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337433394] [2020-10-16 11:56:24,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:56:24,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 11:56:24,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088047281] [2020-10-16 11:56:24,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 11:56:24,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:56:24,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 11:56:24,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-16 11:56:24,671 INFO L87 Difference]: Start difference. First operand 181 states and 416 transitions. Second operand 6 states. [2020-10-16 11:56:24,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:56:24,813 INFO L93 Difference]: Finished difference Result 283 states and 627 transitions. [2020-10-16 11:56:24,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 11:56:24,814 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-10-16 11:56:24,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:56:24,816 INFO L225 Difference]: With dead ends: 283 [2020-10-16 11:56:24,816 INFO L226 Difference]: Without dead ends: 238 [2020-10-16 11:56:24,816 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-16 11:56:24,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-10-16 11:56:24,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 201. [2020-10-16 11:56:24,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-10-16 11:56:24,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 454 transitions. [2020-10-16 11:56:24,823 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 454 transitions. Word has length 24 [2020-10-16 11:56:24,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:56:24,824 INFO L481 AbstractCegarLoop]: Abstraction has 201 states and 454 transitions. [2020-10-16 11:56:24,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 11:56:24,824 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 454 transitions. [2020-10-16 11:56:24,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-16 11:56:24,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:56:24,825 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:56:24,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 11:56:24,826 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:56:24,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:56:24,826 INFO L82 PathProgramCache]: Analyzing trace with hash 508683584, now seen corresponding path program 2 times [2020-10-16 11:56:24,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:56:24,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894946216] [2020-10-16 11:56:24,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:56:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:56:25,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:56:25,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894946216] [2020-10-16 11:56:25,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:56:25,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 11:56:25,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982193061] [2020-10-16 11:56:25,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 11:56:25,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:56:25,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 11:56:25,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-16 11:56:25,023 INFO L87 Difference]: Start difference. First operand 201 states and 454 transitions. Second operand 8 states. [2020-10-16 11:56:25,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:56:25,224 INFO L93 Difference]: Finished difference Result 216 states and 477 transitions. [2020-10-16 11:56:25,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 11:56:25,225 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2020-10-16 11:56:25,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:56:25,226 INFO L225 Difference]: With dead ends: 216 [2020-10-16 11:56:25,226 INFO L226 Difference]: Without dead ends: 149 [2020-10-16 11:56:25,227 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-16 11:56:25,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-10-16 11:56:25,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 129. [2020-10-16 11:56:25,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-10-16 11:56:25,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 280 transitions. [2020-10-16 11:56:25,231 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 280 transitions. Word has length 24 [2020-10-16 11:56:25,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:56:25,231 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 280 transitions. [2020-10-16 11:56:25,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 11:56:25,231 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 280 transitions. [2020-10-16 11:56:25,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-16 11:56:25,232 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:56:25,232 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:56:25,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 11:56:25,233 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:56:25,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:56:25,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1500301040, now seen corresponding path program 3 times [2020-10-16 11:56:25,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:56:25,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202760268] [2020-10-16 11:56:25,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:56:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 11:56:25,272 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 11:56:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 11:56:25,321 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 11:56:25,370 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 11:56:25,370 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 11:56:25,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 11:56:25,397 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 11:56:25,398 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,406 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 11:56:25,406 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,406 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 11:56:25,406 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,407 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 11:56:25,407 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,407 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 11:56:25,407 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,407 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 11:56:25,408 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,408 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 11:56:25,408 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,409 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 11:56:25,409 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,409 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 11:56:25,409 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,410 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 11:56:25,410 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,410 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 11:56:25,410 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,411 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 11:56:25,411 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,411 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 11:56:25,411 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,411 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 11:56:25,411 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,412 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 11:56:25,412 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,412 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 11:56:25,412 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,412 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 11:56:25,412 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,417 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 11:56:25,417 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,417 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 11:56:25,417 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,417 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 11:56:25,418 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,418 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 11:56:25,418 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,419 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 11:56:25,419 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,419 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 11:56:25,419 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,419 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 11:56:25,419 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,420 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 11:56:25,420 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,420 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 11:56:25,420 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,420 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 11:56:25,420 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,421 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 11:56:25,421 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,421 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 11:56:25,421 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,422 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 11:56:25,422 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,422 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 11:56:25,422 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,422 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 11:56:25,422 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,422 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 11:56:25,423 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:56:25,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:56:25 BasicIcfg [2020-10-16 11:56:25,526 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 11:56:25,530 INFO L168 Benchmark]: Toolchain (without parser) took 8986.16 ms. Allocated memory was 139.5 MB in the beginning and 327.7 MB in the end (delta: 188.2 MB). Free memory was 100.5 MB in the beginning and 84.7 MB in the end (delta: 15.9 MB). Peak memory consumption was 204.1 MB. Max. memory is 7.1 GB. [2020-10-16 11:56:25,531 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 11:56:25,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 841.03 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 100.3 MB in the beginning and 155.6 MB in the end (delta: -55.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2020-10-16 11:56:25,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.99 ms. Allocated memory is still 202.9 MB. Free memory was 155.6 MB in the beginning and 153.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-16 11:56:25,536 INFO L168 Benchmark]: Boogie Preprocessor took 40.57 ms. Allocated memory is still 202.9 MB. Free memory was 153.0 MB in the beginning and 151.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-16 11:56:25,540 INFO L168 Benchmark]: RCFGBuilder took 2190.14 ms. Allocated memory was 202.9 MB in the beginning and 247.5 MB in the end (delta: 44.6 MB). Free memory was 150.3 MB in the beginning and 171.2 MB in the end (delta: -20.9 MB). Peak memory consumption was 103.6 MB. Max. memory is 7.1 GB. [2020-10-16 11:56:25,541 INFO L168 Benchmark]: TraceAbstraction took 5838.20 ms. Allocated memory was 247.5 MB in the beginning and 327.7 MB in the end (delta: 80.2 MB). Free memory was 171.2 MB in the beginning and 84.7 MB in the end (delta: 86.6 MB). Peak memory consumption was 166.8 MB. Max. memory is 7.1 GB. [2020-10-16 11:56:25,546 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 841.03 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 100.3 MB in the beginning and 155.6 MB in the end (delta: -55.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 69.99 ms. Allocated memory is still 202.9 MB. Free memory was 155.6 MB in the beginning and 153.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.57 ms. Allocated memory is still 202.9 MB. Free memory was 153.0 MB in the beginning and 151.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2190.14 ms. Allocated memory was 202.9 MB in the beginning and 247.5 MB in the end (delta: 44.6 MB). Free memory was 150.3 MB in the beginning and 171.2 MB in the end (delta: -20.9 MB). Peak memory consumption was 103.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5838.20 ms. Allocated memory was 247.5 MB in the beginning and 327.7 MB in the end (delta: 80.2 MB). Free memory was 171.2 MB in the beginning and 84.7 MB in the end (delta: 86.6 MB). Peak memory consumption was 166.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 919 VarBasedMoverChecksPositive, 28 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 113 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.5s, 106 PlacesBefore, 39 PlacesAfterwards, 98 TransitionsBefore, 30 TransitionsAfterwards, 1824 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 79 TotalNumberOfCompositions, 5693 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L698] 0 int __unbuffered_cnt = 0; [L700] 0 int __unbuffered_p0_EAX = 0; [L702] 0 int __unbuffered_p1_EAX = 0; [L704] 0 int __unbuffered_p1_EBX = 0; [L706] 0 int __unbuffered_p2_EAX = 0; [L708] 0 int __unbuffered_p2_EBX = 0; [L709] 0 _Bool main$tmp_guard0; [L710] 0 _Bool main$tmp_guard1; [L712] 0 int x = 0; [L714] 0 int y = 0; [L716] 0 int z = 0; [L717] 0 _Bool z$flush_delayed; [L718] 0 int z$mem_tmp; [L719] 0 _Bool z$r_buff0_thd0; [L720] 0 _Bool z$r_buff0_thd1; [L721] 0 _Bool z$r_buff0_thd2; [L722] 0 _Bool z$r_buff0_thd3; [L723] 0 _Bool z$r_buff1_thd0; [L724] 0 _Bool z$r_buff1_thd1; [L725] 0 _Bool z$r_buff1_thd2; [L726] 0 _Bool z$r_buff1_thd3; [L727] 0 _Bool z$read_delayed; [L728] 0 int *z$read_delayed_var; [L729] 0 int z$w_buff0; [L730] 0 _Bool z$w_buff0_used; [L731] 0 int z$w_buff1; [L732] 0 _Bool z$w_buff1_used; [L733] 0 _Bool weak$$choice0; [L734] 0 _Bool weak$$choice2; [L834] 0 pthread_t t74; [L835] FCALL, FORK 0 pthread_create(&t74, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L836] 0 pthread_t t75; [L738] 1 z$w_buff1 = z$w_buff0 [L739] 1 z$w_buff0 = 1 [L740] 1 z$w_buff1_used = z$w_buff0_used [L741] 1 z$w_buff0_used = (_Bool)1 [L7] COND FALSE 1 !(!expression) [L743] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L744] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L745] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L746] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L747] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L750] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L837] FCALL, FORK 0 pthread_create(&t75, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L838] 0 pthread_t t76; [L839] FCALL, FORK 0 pthread_create(&t76, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L767] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L773] 2 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L790] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L793] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L796] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L797] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L798] 3 z$flush_delayed = weak$$choice2 [L799] 3 z$mem_tmp = z [L800] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L800] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L801] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L801] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L802] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L802] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L803] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L803] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used) [L803] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L803] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L804] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L804] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L804] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L804] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L805] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L805] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L806] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L806] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L807] 3 __unbuffered_p2_EBX = z [L808] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L808] 3 z = z$flush_delayed ? z$mem_tmp : z [L809] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L753] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L753] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L754] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L754] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L755] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L755] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L756] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L756] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L757] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L757] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L812] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L812] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L813] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L813] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L814] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L814] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L815] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L815] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L816] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L816] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L762] 1 return 0; [L819] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L821] 3 return 0; [L776] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L776] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L776] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L776] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L777] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L777] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L778] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L778] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L779] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L779] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L780] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L785] 2 return 0; [L841] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L845] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L845] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L845] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L845] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L846] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L846] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L847] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L847] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L848] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L848] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L849] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L852] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 97 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.5s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, HoareTripleCheckerStatistics: 326 SDtfs, 323 SDslu, 704 SDs, 0 SdLazy, 256 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1382occurred 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: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 63 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 13400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...