/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/mix047_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 23:00:21,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 23:00:21,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 23:00:21,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 23:00:21,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 23:00:21,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 23:00:21,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 23:00:21,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 23:00:21,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 23:00:21,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 23:00:21,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 23:00:21,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 23:00:21,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 23:00:21,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 23:00:21,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 23:00:21,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 23:00:21,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 23:00:21,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 23:00:21,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 23:00:21,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 23:00:21,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 23:00:21,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 23:00:21,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 23:00:21,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 23:00:21,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-21 23:00:21,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 23:00:21,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 23:00:21,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 23:00:21,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 23:00:21,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 23:00:21,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 23:00:21,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 23:00:21,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 23:00:21,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 23:00:21,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 23:00:21,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 23:00:21,649 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-21 23:00:21,687 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 23:00:21,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 23:00:21,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 23:00:21,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 23:00:21,689 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 23:00:21,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 23:00:21,690 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 23:00:21,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 23:00:21,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 23:00:21,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 23:00:21,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 23:00:21,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 23:00:21,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 23:00:21,692 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 23:00:21,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 23:00:21,692 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 23:00:21,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 23:00:21,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 23:00:21,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 23:00:21,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 23:00:21,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 23:00:21,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:00:21,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 23:00:21,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 23:00:21,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 23:00:21,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 23:00:21,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 23:00:21,695 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 23:00:21,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 23:00:22,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 23:00:22,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 23:00:22,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 23:00:22,102 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 23:00:22,102 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 23:00:22,103 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix047_rmo.oepc.i [2020-10-21 23:00:22,171 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5649a8b05/3e4854266f794344ae47e45b05564f1b/FLAG2d39d0444 [2020-10-21 23:00:22,740 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 23:00:22,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix047_rmo.oepc.i [2020-10-21 23:00:22,760 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5649a8b05/3e4854266f794344ae47e45b05564f1b/FLAG2d39d0444 [2020-10-21 23:00:23,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5649a8b05/3e4854266f794344ae47e45b05564f1b [2020-10-21 23:00:23,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 23:00:23,063 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 23:00:23,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 23:00:23,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 23:00:23,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 23:00:23,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:00:23" (1/1) ... [2020-10-21 23:00:23,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a951601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:23, skipping insertion in model container [2020-10-21 23:00:23,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:00:23" (1/1) ... [2020-10-21 23:00:23,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 23:00:23,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 23:00:23,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:00:23,710 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 23:00:23,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:00:23,879 INFO L208 MainTranslator]: Completed translation [2020-10-21 23:00:23,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:23 WrapperNode [2020-10-21 23:00:23,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 23:00:23,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 23:00:23,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 23:00:23,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 23:00:23,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:23" (1/1) ... [2020-10-21 23:00:23,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:23" (1/1) ... [2020-10-21 23:00:23,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 23:00:23,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 23:00:23,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 23:00:23,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 23:00:23,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:23" (1/1) ... [2020-10-21 23:00:23,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:23" (1/1) ... [2020-10-21 23:00:23,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:23" (1/1) ... [2020-10-21 23:00:23,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:23" (1/1) ... [2020-10-21 23:00:23,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:23" (1/1) ... [2020-10-21 23:00:23,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:23" (1/1) ... [2020-10-21 23:00:23,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:23" (1/1) ... [2020-10-21 23:00:23,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 23:00:23,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 23:00:23,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 23:00:23,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 23:00:23,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:00:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 23:00:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 23:00:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 23:00:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 23:00:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 23:00:24,068 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 23:00:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 23:00:24,068 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 23:00:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-21 23:00:24,069 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-21 23:00:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-21 23:00:24,069 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-21 23:00:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 23:00:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 23:00:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 23:00:24,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 23:00:24,072 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 23:00:26,534 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 23:00:26,535 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-21 23:00:26,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:00:26 BoogieIcfgContainer [2020-10-21 23:00:26,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 23:00:26,539 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 23:00:26,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 23:00:26,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 23:00:26,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 11:00:23" (1/3) ... [2020-10-21 23:00:26,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fbe1e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:00:26, skipping insertion in model container [2020-10-21 23:00:26,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:23" (2/3) ... [2020-10-21 23:00:26,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fbe1e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:00:26, skipping insertion in model container [2020-10-21 23:00:26,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:00:26" (3/3) ... [2020-10-21 23:00:26,547 INFO L111 eAbstractionObserver]: Analyzing ICFG mix047_rmo.oepc.i [2020-10-21 23:00:26,559 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 23:00:26,559 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 23:00:26,568 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-21 23:00:26,569 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 23:00:26,607 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,608 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,608 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,608 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,609 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,609 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,609 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,609 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,609 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,609 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,610 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,610 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,610 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,610 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,610 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,611 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,611 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,611 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,611 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,611 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,611 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,612 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,612 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,613 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,613 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,613 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,613 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,613 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,616 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,616 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,616 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,616 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,617 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,617 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,617 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,617 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,617 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,617 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,618 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,618 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,618 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,619 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,619 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,619 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,619 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,619 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,620 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,620 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,620 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,620 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,620 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,621 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,621 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,621 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,621 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,621 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,621 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,622 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,622 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,622 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,622 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,622 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,622 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,623 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,623 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,623 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,623 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,623 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,623 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,624 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,624 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,624 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,624 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,624 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,624 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,625 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,625 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,625 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,625 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,625 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,625 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,626 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,626 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,631 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,631 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,631 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,632 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,632 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,632 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,632 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,633 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,633 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,637 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,638 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,641 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,642 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,642 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,642 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,642 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,643 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,643 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,643 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,643 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,643 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,644 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,644 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,644 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,644 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,645 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,645 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,645 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,645 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,645 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,646 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,646 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,646 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,646 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,646 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,647 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,647 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,647 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,647 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,648 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,648 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,648 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,648 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,648 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,650 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,651 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,651 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,651 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,651 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,653 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,653 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,655 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,655 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,656 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,657 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,657 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:26,662 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 23:00:26,677 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-21 23:00:26,701 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:00:26,701 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:00:26,701 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:00:26,702 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 23:00:26,702 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:00:26,702 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:00:26,702 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:00:26,702 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:00:26,719 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:00:26,720 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 122 transitions, 264 flow [2020-10-21 23:00:26,724 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 122 transitions, 264 flow [2020-10-21 23:00:26,726 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 132 places, 122 transitions, 264 flow [2020-10-21 23:00:26,786 INFO L129 PetriNetUnfolder]: 3/118 cut-off events. [2020-10-21 23:00:26,786 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 23:00:26,792 INFO L80 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 118 events. 3/118 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 96 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 82. Up to 2 conditions per place. [2020-10-21 23:00:26,797 INFO L116 LiptonReduction]: Number of co-enabled transitions 3124 [2020-10-21 23:00:28,506 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-10-21 23:00:28,643 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-21 23:00:30,221 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2020-10-21 23:00:30,445 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-21 23:00:30,455 INFO L131 LiptonReduction]: Checked pairs total: 8823 [2020-10-21 23:00:30,456 INFO L133 LiptonReduction]: Total number of compositions: 105 [2020-10-21 23:00:30,463 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 34 transitions, 88 flow [2020-10-21 23:00:30,802 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4874 states. [2020-10-21 23:00:30,804 INFO L276 IsEmpty]: Start isEmpty. Operand 4874 states. [2020-10-21 23:00:30,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-21 23:00:30,812 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:30,812 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-21 23:00:30,813 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:30,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:30,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1250779, now seen corresponding path program 1 times [2020-10-21 23:00:30,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:30,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147438985] [2020-10-21 23:00:30,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:31,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:31,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147438985] [2020-10-21 23:00:31,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:31,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:00:31,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250347756] [2020-10-21 23:00:31,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:00:31,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:31,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:00:31,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:00:31,127 INFO L87 Difference]: Start difference. First operand 4874 states. Second operand 3 states. [2020-10-21 23:00:31,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:31,275 INFO L93 Difference]: Finished difference Result 4062 states and 16125 transitions. [2020-10-21 23:00:31,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:00:31,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-21 23:00:31,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:31,366 INFO L225 Difference]: With dead ends: 4062 [2020-10-21 23:00:31,366 INFO L226 Difference]: Without dead ends: 3312 [2020-10-21 23:00:31,368 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 [2020-10-21 23:00:31,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3312 states. [2020-10-21 23:00:31,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3312 to 3312. [2020-10-21 23:00:31,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3312 states. [2020-10-21 23:00:31,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 12950 transitions. [2020-10-21 23:00:31,688 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 12950 transitions. Word has length 3 [2020-10-21 23:00:31,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:31,688 INFO L481 AbstractCegarLoop]: Abstraction has 3312 states and 12950 transitions. [2020-10-21 23:00:31,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:00:31,688 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 12950 transitions. [2020-10-21 23:00:31,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 23:00:31,692 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:31,692 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:31,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 23:00:31,693 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:31,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:31,693 INFO L82 PathProgramCache]: Analyzing trace with hash 991430295, now seen corresponding path program 1 times [2020-10-21 23:00:31,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:31,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145997272] [2020-10-21 23:00:31,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:31,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:31,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145997272] [2020-10-21 23:00:31,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:31,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:00:31,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307075443] [2020-10-21 23:00:31,789 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:00:31,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:31,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:00:31,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:00:31,790 INFO L87 Difference]: Start difference. First operand 3312 states and 12950 transitions. Second operand 3 states. [2020-10-21 23:00:31,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:31,855 INFO L93 Difference]: Finished difference Result 3252 states and 12672 transitions. [2020-10-21 23:00:31,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:00:31,856 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-21 23:00:31,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:31,885 INFO L225 Difference]: With dead ends: 3252 [2020-10-21 23:00:31,885 INFO L226 Difference]: Without dead ends: 3252 [2020-10-21 23:00:31,886 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 [2020-10-21 23:00:31,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3252 states. [2020-10-21 23:00:32,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3252 to 3252. [2020-10-21 23:00:32,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3252 states. [2020-10-21 23:00:32,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 3252 states and 12672 transitions. [2020-10-21 23:00:32,168 INFO L78 Accepts]: Start accepts. Automaton has 3252 states and 12672 transitions. Word has length 11 [2020-10-21 23:00:32,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:32,170 INFO L481 AbstractCegarLoop]: Abstraction has 3252 states and 12672 transitions. [2020-10-21 23:00:32,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:00:32,170 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 12672 transitions. [2020-10-21 23:00:32,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 23:00:32,179 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:32,180 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:32,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 23:00:32,180 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:32,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:32,181 INFO L82 PathProgramCache]: Analyzing trace with hash 669517154, now seen corresponding path program 1 times [2020-10-21 23:00:32,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:32,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101879900] [2020-10-21 23:00:32,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:32,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:32,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101879900] [2020-10-21 23:00:32,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:32,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:00:32,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308720253] [2020-10-21 23:00:32,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:00:32,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:32,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:00:32,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:00:32,332 INFO L87 Difference]: Start difference. First operand 3252 states and 12672 transitions. Second operand 3 states. [2020-10-21 23:00:32,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:32,395 INFO L93 Difference]: Finished difference Result 3022 states and 11668 transitions. [2020-10-21 23:00:32,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:00:32,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-21 23:00:32,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:32,426 INFO L225 Difference]: With dead ends: 3022 [2020-10-21 23:00:32,427 INFO L226 Difference]: Without dead ends: 3022 [2020-10-21 23:00:32,428 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 [2020-10-21 23:00:32,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3022 states. [2020-10-21 23:00:32,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3022 to 3022. [2020-10-21 23:00:32,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3022 states. [2020-10-21 23:00:32,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 3022 states and 11668 transitions. [2020-10-21 23:00:32,561 INFO L78 Accepts]: Start accepts. Automaton has 3022 states and 11668 transitions. Word has length 12 [2020-10-21 23:00:32,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:32,561 INFO L481 AbstractCegarLoop]: Abstraction has 3022 states and 11668 transitions. [2020-10-21 23:00:32,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:00:32,562 INFO L276 IsEmpty]: Start isEmpty. Operand 3022 states and 11668 transitions. [2020-10-21 23:00:32,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 23:00:32,565 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:32,565 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:32,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 23:00:32,565 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:32,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:32,566 INFO L82 PathProgramCache]: Analyzing trace with hash -844105197, now seen corresponding path program 1 times [2020-10-21 23:00:32,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:32,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862335364] [2020-10-21 23:00:32,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:32,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:32,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862335364] [2020-10-21 23:00:32,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:32,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:00:32,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329613624] [2020-10-21 23:00:32,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:00:32,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:32,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:00:32,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:00:32,668 INFO L87 Difference]: Start difference. First operand 3022 states and 11668 transitions. Second operand 3 states. [2020-10-21 23:00:32,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:32,731 INFO L93 Difference]: Finished difference Result 2990 states and 11524 transitions. [2020-10-21 23:00:32,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:00:32,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-10-21 23:00:32,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:32,773 INFO L225 Difference]: With dead ends: 2990 [2020-10-21 23:00:32,774 INFO L226 Difference]: Without dead ends: 2990 [2020-10-21 23:00:32,774 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 [2020-10-21 23:00:32,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2990 states. [2020-10-21 23:00:32,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2990 to 2990. [2020-10-21 23:00:32,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2990 states. [2020-10-21 23:00:32,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 2990 states and 11524 transitions. [2020-10-21 23:00:32,926 INFO L78 Accepts]: Start accepts. Automaton has 2990 states and 11524 transitions. Word has length 14 [2020-10-21 23:00:32,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:32,927 INFO L481 AbstractCegarLoop]: Abstraction has 2990 states and 11524 transitions. [2020-10-21 23:00:32,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:00:32,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2990 states and 11524 transitions. [2020-10-21 23:00:32,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 23:00:32,932 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:32,932 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:32,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 23:00:32,932 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:32,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:32,933 INFO L82 PathProgramCache]: Analyzing trace with hash 158482491, now seen corresponding path program 1 times [2020-10-21 23:00:32,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:32,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784031111] [2020-10-21 23:00:32,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:32,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:32,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784031111] [2020-10-21 23:00:32,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:32,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:00:32,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881918684] [2020-10-21 23:00:32,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:00:33,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:33,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:00:33,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:00:33,001 INFO L87 Difference]: Start difference. First operand 2990 states and 11524 transitions. Second operand 3 states. [2020-10-21 23:00:33,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:33,117 INFO L93 Difference]: Finished difference Result 4370 states and 16383 transitions. [2020-10-21 23:00:33,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:00:33,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-10-21 23:00:33,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:33,151 INFO L225 Difference]: With dead ends: 4370 [2020-10-21 23:00:33,151 INFO L226 Difference]: Without dead ends: 3170 [2020-10-21 23:00:33,152 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:00:33,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3170 states. [2020-10-21 23:00:33,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3170 to 2930. [2020-10-21 23:00:33,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2930 states. [2020-10-21 23:00:33,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 2930 states and 10871 transitions. [2020-10-21 23:00:33,445 INFO L78 Accepts]: Start accepts. Automaton has 2930 states and 10871 transitions. Word has length 15 [2020-10-21 23:00:33,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:33,447 INFO L481 AbstractCegarLoop]: Abstraction has 2930 states and 10871 transitions. [2020-10-21 23:00:33,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:00:33,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2930 states and 10871 transitions. [2020-10-21 23:00:33,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 23:00:33,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:33,451 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:33,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 23:00:33,452 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:33,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:33,452 INFO L82 PathProgramCache]: Analyzing trace with hash -821826988, now seen corresponding path program 1 times [2020-10-21 23:00:33,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:33,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936301305] [2020-10-21 23:00:33,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:33,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:33,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936301305] [2020-10-21 23:00:33,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:33,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:00:33,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934147386] [2020-10-21 23:00:33,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:00:33,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:33,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:00:33,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:00:33,588 INFO L87 Difference]: Start difference. First operand 2930 states and 10871 transitions. Second operand 4 states. [2020-10-21 23:00:33,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:33,675 INFO L93 Difference]: Finished difference Result 2914 states and 9786 transitions. [2020-10-21 23:00:33,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:00:33,676 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-21 23:00:33,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:33,686 INFO L225 Difference]: With dead ends: 2914 [2020-10-21 23:00:33,687 INFO L226 Difference]: Without dead ends: 2164 [2020-10-21 23:00:33,687 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 [2020-10-21 23:00:33,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2164 states. [2020-10-21 23:00:33,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2164 to 2164. [2020-10-21 23:00:33,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2164 states. [2020-10-21 23:00:33,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 2164 states and 7161 transitions. [2020-10-21 23:00:33,782 INFO L78 Accepts]: Start accepts. Automaton has 2164 states and 7161 transitions. Word has length 15 [2020-10-21 23:00:33,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:33,783 INFO L481 AbstractCegarLoop]: Abstraction has 2164 states and 7161 transitions. [2020-10-21 23:00:33,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:00:33,783 INFO L276 IsEmpty]: Start isEmpty. Operand 2164 states and 7161 transitions. [2020-10-21 23:00:33,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-21 23:00:33,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:33,790 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:33,790 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 23:00:33,790 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:33,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:33,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1442427692, now seen corresponding path program 1 times [2020-10-21 23:00:33,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:33,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191953465] [2020-10-21 23:00:33,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:33,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:33,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191953465] [2020-10-21 23:00:33,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:33,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:00:33,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019019509] [2020-10-21 23:00:33,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:00:33,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:33,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:00:33,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:00:33,837 INFO L87 Difference]: Start difference. First operand 2164 states and 7161 transitions. Second operand 3 states. [2020-10-21 23:00:33,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:33,864 INFO L93 Difference]: Finished difference Result 3229 states and 10392 transitions. [2020-10-21 23:00:33,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:00:33,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-10-21 23:00:33,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:33,874 INFO L225 Difference]: With dead ends: 3229 [2020-10-21 23:00:33,874 INFO L226 Difference]: Without dead ends: 2245 [2020-10-21 23:00:33,874 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:00:33,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2245 states. [2020-10-21 23:00:33,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2245 to 2134. [2020-10-21 23:00:33,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2134 states. [2020-10-21 23:00:33,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 2134 states and 6763 transitions. [2020-10-21 23:00:33,945 INFO L78 Accepts]: Start accepts. Automaton has 2134 states and 6763 transitions. Word has length 18 [2020-10-21 23:00:33,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:33,946 INFO L481 AbstractCegarLoop]: Abstraction has 2134 states and 6763 transitions. [2020-10-21 23:00:33,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:00:33,946 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 6763 transitions. [2020-10-21 23:00:33,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-21 23:00:33,950 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:33,951 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:33,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 23:00:33,951 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:33,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:33,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1529528496, now seen corresponding path program 1 times [2020-10-21 23:00:33,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:33,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331917996] [2020-10-21 23:00:33,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:34,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:34,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331917996] [2020-10-21 23:00:34,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:34,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 23:00:34,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724995421] [2020-10-21 23:00:34,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 23:00:34,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:34,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 23:00:34,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:00:34,049 INFO L87 Difference]: Start difference. First operand 2134 states and 6763 transitions. Second operand 5 states. [2020-10-21 23:00:34,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:34,113 INFO L93 Difference]: Finished difference Result 1821 states and 5308 transitions. [2020-10-21 23:00:34,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 23:00:34,114 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-21 23:00:34,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:34,119 INFO L225 Difference]: With dead ends: 1821 [2020-10-21 23:00:34,119 INFO L226 Difference]: Without dead ends: 1391 [2020-10-21 23:00:34,120 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 [2020-10-21 23:00:34,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states. [2020-10-21 23:00:34,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 1391. [2020-10-21 23:00:34,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1391 states. [2020-10-21 23:00:34,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 3979 transitions. [2020-10-21 23:00:34,160 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 3979 transitions. Word has length 18 [2020-10-21 23:00:34,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:34,160 INFO L481 AbstractCegarLoop]: Abstraction has 1391 states and 3979 transitions. [2020-10-21 23:00:34,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 23:00:34,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 3979 transitions. [2020-10-21 23:00:34,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-21 23:00:34,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:34,165 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:34,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 23:00:34,165 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:34,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:34,165 INFO L82 PathProgramCache]: Analyzing trace with hash 2000414982, now seen corresponding path program 1 times [2020-10-21 23:00:34,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:34,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690147164] [2020-10-21 23:00:34,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:34,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:34,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690147164] [2020-10-21 23:00:34,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:34,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:00:34,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111736451] [2020-10-21 23:00:34,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:00:34,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:34,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:00:34,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:00:34,209 INFO L87 Difference]: Start difference. First operand 1391 states and 3979 transitions. Second operand 3 states. [2020-10-21 23:00:34,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:34,226 INFO L93 Difference]: Finished difference Result 1973 states and 5494 transitions. [2020-10-21 23:00:34,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:00:34,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-10-21 23:00:34,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:34,231 INFO L225 Difference]: With dead ends: 1973 [2020-10-21 23:00:34,231 INFO L226 Difference]: Without dead ends: 1414 [2020-10-21 23:00:34,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:00:34,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2020-10-21 23:00:34,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1381. [2020-10-21 23:00:34,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1381 states. [2020-10-21 23:00:34,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 3793 transitions. [2020-10-21 23:00:34,269 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 3793 transitions. Word has length 21 [2020-10-21 23:00:34,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:34,270 INFO L481 AbstractCegarLoop]: Abstraction has 1381 states and 3793 transitions. [2020-10-21 23:00:34,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:00:34,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 3793 transitions. [2020-10-21 23:00:34,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-21 23:00:34,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:34,274 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:34,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 23:00:34,274 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:34,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:34,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1652458450, now seen corresponding path program 1 times [2020-10-21 23:00:34,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:34,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702351938] [2020-10-21 23:00:34,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:34,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:34,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702351938] [2020-10-21 23:00:34,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:34,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 23:00:34,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763406166] [2020-10-21 23:00:34,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 23:00:34,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:34,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 23:00:34,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:00:34,447 INFO L87 Difference]: Start difference. First operand 1381 states and 3793 transitions. Second operand 6 states. [2020-10-21 23:00:34,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:34,520 INFO L93 Difference]: Finished difference Result 1228 states and 3330 transitions. [2020-10-21 23:00:34,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 23:00:34,523 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2020-10-21 23:00:34,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:34,531 INFO L225 Difference]: With dead ends: 1228 [2020-10-21 23:00:34,531 INFO L226 Difference]: Without dead ends: 938 [2020-10-21 23:00:34,531 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 [2020-10-21 23:00:34,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2020-10-21 23:00:34,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 938. [2020-10-21 23:00:34,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 938 states. [2020-10-21 23:00:34,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 2537 transitions. [2020-10-21 23:00:34,558 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 2537 transitions. Word has length 21 [2020-10-21 23:00:34,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:34,559 INFO L481 AbstractCegarLoop]: Abstraction has 938 states and 2537 transitions. [2020-10-21 23:00:34,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 23:00:34,559 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 2537 transitions. [2020-10-21 23:00:34,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-21 23:00:34,561 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:34,562 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] [2020-10-21 23:00:34,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 23:00:34,562 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:34,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:34,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1880028900, now seen corresponding path program 1 times [2020-10-21 23:00:34,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:34,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190823143] [2020-10-21 23:00:34,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:34,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:34,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190823143] [2020-10-21 23:00:34,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:34,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-21 23:00:34,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027394699] [2020-10-21 23:00:34,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 23:00:34,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:34,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 23:00:34,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:00:34,860 INFO L87 Difference]: Start difference. First operand 938 states and 2537 transitions. Second operand 7 states. [2020-10-21 23:00:34,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:34,951 INFO L93 Difference]: Finished difference Result 909 states and 2480 transitions. [2020-10-21 23:00:34,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-21 23:00:34,952 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-10-21 23:00:34,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:34,954 INFO L225 Difference]: With dead ends: 909 [2020-10-21 23:00:34,954 INFO L226 Difference]: Without dead ends: 343 [2020-10-21 23:00:34,955 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:00:34,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-10-21 23:00:34,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2020-10-21 23:00:34,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2020-10-21 23:00:34,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 940 transitions. [2020-10-21 23:00:34,964 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 940 transitions. Word has length 24 [2020-10-21 23:00:34,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:34,964 INFO L481 AbstractCegarLoop]: Abstraction has 343 states and 940 transitions. [2020-10-21 23:00:34,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 23:00:34,964 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 940 transitions. [2020-10-21 23:00:34,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-21 23:00:34,966 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:34,966 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:34,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-21 23:00:34,966 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:34,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:34,966 INFO L82 PathProgramCache]: Analyzing trace with hash -528681227, now seen corresponding path program 1 times [2020-10-21 23:00:34,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:34,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043637984] [2020-10-21 23:00:34,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:35,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:35,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043637984] [2020-10-21 23:00:35,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:35,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-21 23:00:35,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629209524] [2020-10-21 23:00:35,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-21 23:00:35,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:35,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-21 23:00:35,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-21 23:00:35,466 INFO L87 Difference]: Start difference. First operand 343 states and 940 transitions. Second operand 13 states. [2020-10-21 23:00:36,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:36,380 INFO L93 Difference]: Finished difference Result 539 states and 1427 transitions. [2020-10-21 23:00:36,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-21 23:00:36,380 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 28 [2020-10-21 23:00:36,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:36,382 INFO L225 Difference]: With dead ends: 539 [2020-10-21 23:00:36,383 INFO L226 Difference]: Without dead ends: 450 [2020-10-21 23:00:36,383 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2020-10-21 23:00:36,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2020-10-21 23:00:36,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2020-10-21 23:00:36,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2020-10-21 23:00:36,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 1218 transitions. [2020-10-21 23:00:36,398 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 1218 transitions. Word has length 28 [2020-10-21 23:00:36,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:36,399 INFO L481 AbstractCegarLoop]: Abstraction has 450 states and 1218 transitions. [2020-10-21 23:00:36,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-21 23:00:36,399 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 1218 transitions. [2020-10-21 23:00:36,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-21 23:00:36,400 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:36,400 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:36,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-21 23:00:36,401 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:36,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:36,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1285058281, now seen corresponding path program 2 times [2020-10-21 23:00:36,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:36,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365511923] [2020-10-21 23:00:36,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:36,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:36,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365511923] [2020-10-21 23:00:36,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:36,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-21 23:00:36,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42474090] [2020-10-21 23:00:36,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 23:00:36,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:36,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 23:00:36,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:00:36,668 INFO L87 Difference]: Start difference. First operand 450 states and 1218 transitions. Second operand 8 states. [2020-10-21 23:00:36,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:36,834 INFO L93 Difference]: Finished difference Result 527 states and 1376 transitions. [2020-10-21 23:00:36,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 23:00:36,835 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-21 23:00:36,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:36,837 INFO L225 Difference]: With dead ends: 527 [2020-10-21 23:00:36,837 INFO L226 Difference]: Without dead ends: 344 [2020-10-21 23:00:36,837 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-21 23:00:36,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2020-10-21 23:00:36,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 293. [2020-10-21 23:00:36,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-10-21 23:00:36,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 780 transitions. [2020-10-21 23:00:36,846 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 780 transitions. Word has length 28 [2020-10-21 23:00:36,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:36,846 INFO L481 AbstractCegarLoop]: Abstraction has 293 states and 780 transitions. [2020-10-21 23:00:36,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 23:00:36,846 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 780 transitions. [2020-10-21 23:00:36,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-21 23:00:36,848 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:36,848 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:36,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-21 23:00:36,848 INFO L429 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:36,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:36,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1283252781, now seen corresponding path program 3 times [2020-10-21 23:00:36,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:36,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727851696] [2020-10-21 23:00:36,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:37,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:37,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727851696] [2020-10-21 23:00:37,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:37,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-21 23:00:37,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315851762] [2020-10-21 23:00:37,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-21 23:00:37,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:37,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-21 23:00:37,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-21 23:00:37,387 INFO L87 Difference]: Start difference. First operand 293 states and 780 transitions. Second operand 13 states. [2020-10-21 23:00:38,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:38,468 INFO L93 Difference]: Finished difference Result 494 states and 1259 transitions. [2020-10-21 23:00:38,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-21 23:00:38,469 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 28 [2020-10-21 23:00:38,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:38,471 INFO L225 Difference]: With dead ends: 494 [2020-10-21 23:00:38,471 INFO L226 Difference]: Without dead ends: 402 [2020-10-21 23:00:38,471 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2020-10-21 23:00:38,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2020-10-21 23:00:38,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 364. [2020-10-21 23:00:38,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-10-21 23:00:38,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 942 transitions. [2020-10-21 23:00:38,482 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 942 transitions. Word has length 28 [2020-10-21 23:00:38,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:38,482 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 942 transitions. [2020-10-21 23:00:38,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-21 23:00:38,482 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 942 transitions. [2020-10-21 23:00:38,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-21 23:00:38,484 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:38,484 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:38,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-21 23:00:38,484 INFO L429 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:38,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:38,485 INFO L82 PathProgramCache]: Analyzing trace with hash 526875727, now seen corresponding path program 4 times [2020-10-21 23:00:38,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:38,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104021899] [2020-10-21 23:00:38,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:38,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:38,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104021899] [2020-10-21 23:00:38,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:38,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-21 23:00:38,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703031846] [2020-10-21 23:00:38,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 23:00:38,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:38,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 23:00:38,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:00:38,780 INFO L87 Difference]: Start difference. First operand 364 states and 942 transitions. Second operand 8 states. [2020-10-21 23:00:39,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:39,055 INFO L93 Difference]: Finished difference Result 492 states and 1230 transitions. [2020-10-21 23:00:39,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 23:00:39,056 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-21 23:00:39,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:39,057 INFO L225 Difference]: With dead ends: 492 [2020-10-21 23:00:39,057 INFO L226 Difference]: Without dead ends: 288 [2020-10-21 23:00:39,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-21 23:00:39,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-10-21 23:00:39,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 241. [2020-10-21 23:00:39,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-10-21 23:00:39,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 590 transitions. [2020-10-21 23:00:39,065 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 590 transitions. Word has length 28 [2020-10-21 23:00:39,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:39,066 INFO L481 AbstractCegarLoop]: Abstraction has 241 states and 590 transitions. [2020-10-21 23:00:39,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 23:00:39,066 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 590 transitions. [2020-10-21 23:00:39,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-21 23:00:39,067 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:39,067 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:39,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-21 23:00:39,068 INFO L429 AbstractCegarLoop]: === Iteration 16 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:39,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:39,068 INFO L82 PathProgramCache]: Analyzing trace with hash 578136181, now seen corresponding path program 5 times [2020-10-21 23:00:39,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:39,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548335088] [2020-10-21 23:00:39,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:00:39,119 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:00:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:00:39,169 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:00:39,211 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 23:00:39,212 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 23:00:39,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-21 23:00:39,213 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-21 23:00:39,237 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1215] [1215] L878-->L885: Formula: (let ((.cse7 (= (mod ~b$r_buff1_thd0~0_In-1359264229 256) 0)) (.cse6 (= (mod ~b$w_buff1_used~0_In-1359264229 256) 0)) (.cse9 (= (mod ~b$w_buff0_used~0_In-1359264229 256) 0)) (.cse8 (= (mod ~b$r_buff0_thd0~0_In-1359264229 256) 0))) (let ((.cse0 (not .cse8)) (.cse1 (not .cse9)) (.cse2 (or .cse8 .cse9)) (.cse3 (not .cse6)) (.cse4 (not .cse7)) (.cse5 (or .cse6 .cse7))) (and (or (and (= ~b$w_buff0~0_In-1359264229 ~b~0_Out-1359264229) .cse0 .cse1) (and .cse2 (or (and (= ~b$w_buff1~0_In-1359264229 ~b~0_Out-1359264229) .cse3 .cse4) (and .cse5 (= ~b~0_In-1359264229 ~b~0_Out-1359264229))))) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1359264229 0)) (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1359264229 |ULTIMATE.start_assume_abort_if_not_#in~cond_In-1359264229|) (= ~b$r_buff0_thd0~0_Out-1359264229 ~b$r_buff0_thd0~0_In-1359264229) (or (and (= ~b$w_buff0_used~0_Out-1359264229 0) .cse0 .cse1) (and (= ~b$w_buff0_used~0_Out-1359264229 ~b$w_buff0_used~0_In-1359264229) .cse2)) (or (and .cse3 (= ~b$w_buff1_used~0_Out-1359264229 0) .cse4) (and .cse5 (= ~b$w_buff1_used~0_In-1359264229 ~b$w_buff1_used~0_Out-1359264229))) (= ~b$r_buff1_thd0~0_Out-1359264229 ~b$r_buff1_thd0~0_In-1359264229)))) InVars {~b$w_buff0_used~0=~b$w_buff0_used~0_In-1359264229, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-1359264229|, ~b$r_buff1_thd0~0=~b$r_buff1_thd0~0_In-1359264229, ~b$w_buff1_used~0=~b$w_buff1_used~0_In-1359264229, ~b~0=~b~0_In-1359264229, ~b$w_buff1~0=~b$w_buff1~0_In-1359264229, ~b$w_buff0~0=~b$w_buff0~0_In-1359264229, ~b$r_buff0_thd0~0=~b$r_buff0_thd0~0_In-1359264229} OutVars{~b$r_buff1_thd0~0=~b$r_buff1_thd0~0_Out-1359264229, ULTIMATE.start_main_#t~ite58=|ULTIMATE.start_main_#t~ite58_Out-1359264229|, ULTIMATE.start_main_#t~ite57=|ULTIMATE.start_main_#t~ite57_Out-1359264229|, ULTIMATE.start_main_#t~ite59=|ULTIMATE.start_main_#t~ite59_Out-1359264229|, ULTIMATE.start_main_#t~ite56=|ULTIMATE.start_main_#t~ite56_Out-1359264229|, ~b$w_buff0_used~0=~b$w_buff0_used~0_Out-1359264229, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-1359264229|, ULTIMATE.start_main_#t~ite60=|ULTIMATE.start_main_#t~ite60_Out-1359264229|, ULTIMATE.start_main_#t~ite61=|ULTIMATE.start_main_#t~ite61_Out-1359264229|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-1359264229, ~b$w_buff1_used~0=~b$w_buff1_used~0_Out-1359264229, ~b~0=~b~0_Out-1359264229, ~b$w_buff1~0=~b$w_buff1~0_In-1359264229, ~b$w_buff0~0=~b$w_buff0~0_In-1359264229, ~b$r_buff0_thd0~0=~b$r_buff0_thd0~0_Out-1359264229} AuxVars[] AssignedVars[~b$w_buff0_used~0, ULTIMATE.start_main_#t~ite60, ~b$r_buff1_thd0~0, ULTIMATE.start_main_#t~ite61, ULTIMATE.start_assume_abort_if_not_~cond, ~b$w_buff1_used~0, ~b~0, ULTIMATE.start_main_#t~ite58, ULTIMATE.start_main_#t~ite57, ULTIMATE.start_main_#t~ite59, ULTIMATE.start_main_#t~ite56, ~b$r_buff0_thd0~0] because there is no mapped edge [2020-10-21 23:00:39,243 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,243 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,243 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,243 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [749] [2020-10-21 23:00:39,245 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,245 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,246 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,246 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,246 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,246 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,246 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,246 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,247 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,247 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,251 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,252 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,252 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,252 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,252 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,252 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,252 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,252 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,252 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,253 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,253 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,253 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,253 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,253 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,253 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,254 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,254 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,254 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,258 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,259 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,259 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,259 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,259 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,259 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,259 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,260 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,260 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,260 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,261 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,261 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,261 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,261 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,261 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,261 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,262 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,262 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,262 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,262 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,262 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,262 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,263 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,263 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,263 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,263 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,263 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,263 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,264 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,264 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,264 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,265 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,265 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,265 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,265 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,265 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,265 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,265 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,266 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:39,266 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:39,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 11:00:39 BasicIcfg [2020-10-21 23:00:39,397 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 23:00:39,398 INFO L168 Benchmark]: Toolchain (without parser) took 16341.57 ms. Allocated memory was 146.3 MB in the beginning and 496.5 MB in the end (delta: 350.2 MB). Free memory was 99.5 MB in the beginning and 78.9 MB in the end (delta: 20.7 MB). Peak memory consumption was 370.9 MB. Max. memory is 7.1 GB. [2020-10-21 23:00:39,400 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 119.8 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-21 23:00:39,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 816.12 ms. Allocated memory was 146.3 MB in the beginning and 201.3 MB in the end (delta: 55.1 MB). Free memory was 98.7 MB in the beginning and 152.2 MB in the end (delta: -53.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2020-10-21 23:00:39,404 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.20 ms. Allocated memory is still 201.3 MB. Free memory was 152.2 MB in the beginning and 149.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-21 23:00:39,405 INFO L168 Benchmark]: Boogie Preprocessor took 46.46 ms. Allocated memory is still 201.3 MB. Free memory was 149.6 MB in the beginning and 146.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-21 23:00:39,406 INFO L168 Benchmark]: RCFGBuilder took 2549.14 ms. Allocated memory was 201.3 MB in the beginning and 248.5 MB in the end (delta: 47.2 MB). Free memory was 146.9 MB in the beginning and 135.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 102.3 MB. Max. memory is 7.1 GB. [2020-10-21 23:00:39,406 INFO L168 Benchmark]: TraceAbstraction took 12858.01 ms. Allocated memory was 248.5 MB in the beginning and 496.5 MB in the end (delta: 248.0 MB). Free memory was 135.4 MB in the beginning and 78.9 MB in the end (delta: 56.5 MB). Peak memory consumption was 304.5 MB. Max. memory is 7.1 GB. [2020-10-21 23:00:39,414 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 119.8 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 816.12 ms. Allocated memory was 146.3 MB in the beginning and 201.3 MB in the end (delta: 55.1 MB). Free memory was 98.7 MB in the beginning and 152.2 MB in the end (delta: -53.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.20 ms. Allocated memory is still 201.3 MB. Free memory was 152.2 MB in the beginning and 149.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.46 ms. Allocated memory is still 201.3 MB. Free memory was 149.6 MB in the beginning and 146.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2549.14 ms. Allocated memory was 201.3 MB in the beginning and 248.5 MB in the end (delta: 47.2 MB). Free memory was 146.9 MB in the beginning and 135.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 102.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12858.01 ms. Allocated memory was 248.5 MB in the beginning and 496.5 MB in the end (delta: 248.0 MB). Free memory was 135.4 MB in the beginning and 78.9 MB in the end (delta: 56.5 MB). Peak memory consumption was 304.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1660 VarBasedMoverChecksPositive, 50 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 133 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.7s, 132 PlacesBefore, 47 PlacesAfterwards, 122 TransitionsBefore, 34 TransitionsAfterwards, 3124 CoEnabledTransitionPairs, 7 FixpointIterations, 40 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 3 ChoiceCompositions, 105 TotalNumberOfCompositions, 8823 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p3_EAX = 0; [L714] 0 int __unbuffered_p3_EBX = 0; [L716] 0 int a = 0; [L718] 0 int b = 0; [L719] 0 _Bool b$flush_delayed; [L720] 0 int b$mem_tmp; [L721] 0 _Bool b$r_buff0_thd0; [L722] 0 _Bool b$r_buff0_thd1; [L723] 0 _Bool b$r_buff0_thd2; [L724] 0 _Bool b$r_buff0_thd3; [L725] 0 _Bool b$r_buff0_thd4; [L726] 0 _Bool b$r_buff1_thd0; [L727] 0 _Bool b$r_buff1_thd1; [L728] 0 _Bool b$r_buff1_thd2; [L729] 0 _Bool b$r_buff1_thd3; [L730] 0 _Bool b$r_buff1_thd4; [L731] 0 _Bool b$read_delayed; [L732] 0 int *b$read_delayed_var; [L733] 0 int b$w_buff0; [L734] 0 _Bool b$w_buff0_used; [L735] 0 int b$w_buff1; [L736] 0 _Bool b$w_buff1_used; [L737] 0 _Bool main$tmp_guard0; [L738] 0 _Bool main$tmp_guard1; [L740] 0 int x = 0; [L742] 0 int y = 0; [L744] 0 int z = 0; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L867] 0 pthread_t t1265; [L868] FCALL, FORK 0 pthread_create(&t1265, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L750] 1 b$w_buff1 = b$w_buff0 [L751] 1 b$w_buff0 = 1 [L752] 1 b$w_buff1_used = b$w_buff0_used [L753] 1 b$w_buff0_used = (_Bool)1 [L18] COND TRUE 1 !expression [L17] COND FALSE 1 !(0) [L17] 1 __assert_fail ("0", "mix047_rmo.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) [L755] 1 b$r_buff1_thd0 = b$r_buff0_thd0 [L756] 1 b$r_buff1_thd1 = b$r_buff0_thd1 [L757] 1 b$r_buff1_thd2 = b$r_buff0_thd2 [L758] 1 b$r_buff1_thd3 = b$r_buff0_thd3 [L759] 1 b$r_buff1_thd4 = b$r_buff0_thd4 [L760] 1 b$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L763] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L869] 0 pthread_t t1266; [L870] FCALL, FORK 0 pthread_create(&t1266, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L780] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L783] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L786] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L786] 2 b = b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L787] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L787] 2 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L788] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L788] 2 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L789] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L789] 2 b$r_buff0_thd2 = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L790] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L790] 2 b$r_buff1_thd2 = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L871] 0 pthread_t t1267; [L872] FCALL, FORK 0 pthread_create(&t1267, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L873] 0 pthread_t t1268; [L874] FCALL, FORK 0 pthread_create(&t1268, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L800] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L803] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1] [L806] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L806] 3 b = b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L807] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L807] 3 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L808] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L808] 3 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L809] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L809] 3 b$r_buff0_thd3 = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L810] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L810] 3 b$r_buff1_thd3 = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L813] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L815] 3 return 0; [L820] 4 z = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2] [L823] 4 a = 1 [L826] 4 __unbuffered_p3_EAX = a VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2] [L829] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L830] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L831] 4 b$flush_delayed = weak$$choice2 [L832] 4 b$mem_tmp = b [L833] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L833] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1 [L833] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L833] 4 b = !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L834] EXPR 4 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L834] 4 b$w_buff0 = weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L835] EXPR 4 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L835] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1) [L835] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1 [L835] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1) [L835] EXPR 4 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L835] 4 b$w_buff1 = weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L836] EXPR 4 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L836] 4 b$w_buff0_used = weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L837] EXPR 4 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L837] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L837] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0 [L837] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L837] EXPR 4 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L837] 4 b$w_buff1_used = weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L838] EXPR 4 weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L838] 4 b$r_buff0_thd4 = weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L839] EXPR 4 weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] 4 b$r_buff1_thd4 = weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L840] 4 __unbuffered_p3_EBX = b [L841] EXPR 4 b$flush_delayed ? b$mem_tmp : b [L841] 4 b = b$flush_delayed ? b$mem_tmp : b [L842] 4 b$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=2, y=2, z=2] [L766] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L766] 1 b = b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L767] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L767] 1 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L768] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L768] 1 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L769] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L769] 1 b$r_buff0_thd1 = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L770] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L770] 1 b$r_buff1_thd1 = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L773] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L775] 1 return 0; [L845] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L845] EXPR 4 b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b [L845] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L845] 4 b = b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L846] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L846] 4 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L847] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L847] 4 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L848] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L848] 4 b$r_buff0_thd4 = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L849] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L849] 4 b$r_buff1_thd4 = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L793] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L795] 2 return 0; [L852] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L854] 4 return 0; [L876] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L887] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix047_rmo.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=2, y=2, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 120 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 12.5s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, HoareTripleCheckerStatistics: 587 SDtfs, 653 SDslu, 1606 SDs, 0 SdLazy, 1469 SolverSat, 211 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4874occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 520 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 269 ConstructedInterpolants, 0 QuantifiedInterpolants, 61890 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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...