/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-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix022_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 00:06:45,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 00:06:45,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 00:06:45,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 00:06:45,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 00:06:45,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 00:06:45,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 00:06:45,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 00:06:45,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 00:06:45,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 00:06:45,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 00:06:45,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 00:06:45,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 00:06:45,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 00:06:45,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 00:06:45,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 00:06:45,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 00:06:45,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 00:06:45,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 00:06:45,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 00:06:45,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 00:06:45,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 00:06:45,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 00:06:45,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 00:06:45,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-22 00:06:45,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 00:06:45,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 00:06:45,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 00:06:45,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 00:06:45,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 00:06:45,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 00:06:45,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 00:06:45,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 00:06:45,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 00:06:45,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 00:06:45,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 00:06:45,481 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-McrAutomaton-WP.epf [2020-10-22 00:06:45,503 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 00:06:45,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 00:06:45,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 00:06:45,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 00:06:45,504 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 00:06:45,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 00:06:45,505 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 00:06:45,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 00:06:45,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 00:06:45,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 00:06:45,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 00:06:45,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 00:06:45,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 00:06:45,506 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 00:06:45,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 00:06:45,506 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 00:06:45,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 00:06:45,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 00:06:45,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 00:06:45,507 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 00:06:45,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 00:06:45,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 00:06:45,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 00:06:45,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 00:06:45,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 00:06:45,508 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 00:06:45,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 00:06:45,509 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 00:06:45,509 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 00:06:45,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 00:06:45,509 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 00:06:45,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 00:06:45,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 00:06:45,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 00:06:45,802 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 00:06:45,804 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 00:06:45,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix022_pso.opt.i [2020-10-22 00:06:45,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2a7705f8/1b56ff0a93f541deab16256980cf2a1b/FLAG73a2bd8aa [2020-10-22 00:06:46,406 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 00:06:46,407 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix022_pso.opt.i [2020-10-22 00:06:46,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2a7705f8/1b56ff0a93f541deab16256980cf2a1b/FLAG73a2bd8aa [2020-10-22 00:06:46,650 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2a7705f8/1b56ff0a93f541deab16256980cf2a1b [2020-10-22 00:06:46,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 00:06:46,665 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 00:06:46,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 00:06:46,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 00:06:46,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 00:06:46,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:06:46" (1/1) ... [2020-10-22 00:06:46,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a6a4dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:06:46, skipping insertion in model container [2020-10-22 00:06:46,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:06:46" (1/1) ... [2020-10-22 00:06:46,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 00:06:46,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 00:06:47,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:06:47,360 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 00:06:47,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:06:47,488 INFO L208 MainTranslator]: Completed translation [2020-10-22 00:06:47,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:06:47 WrapperNode [2020-10-22 00:06:47,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 00:06:47,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 00:06:47,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 00:06:47,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 00:06:47,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:06:47" (1/1) ... [2020-10-22 00:06:47,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:06:47" (1/1) ... [2020-10-22 00:06:47,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 00:06:47,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 00:06:47,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 00:06:47,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 00:06:47,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:06:47" (1/1) ... [2020-10-22 00:06:47,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:06:47" (1/1) ... [2020-10-22 00:06:47,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:06:47" (1/1) ... [2020-10-22 00:06:47,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:06:47" (1/1) ... [2020-10-22 00:06:47,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:06:47" (1/1) ... [2020-10-22 00:06:47,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:06:47" (1/1) ... [2020-10-22 00:06:47,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:06:47" (1/1) ... [2020-10-22 00:06:47,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 00:06:47,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 00:06:47,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 00:06:47,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 00:06:47,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:06:47" (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 [2020-10-22 00:06:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 00:06:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 00:06:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 00:06:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 00:06:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-22 00:06:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-22 00:06:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-22 00:06:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-22 00:06:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 00:06:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 00:06:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 00:06:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 00:06:47,670 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 00:06:49,451 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 00:06:49,452 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-22 00:06:49,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:06:49 BoogieIcfgContainer [2020-10-22 00:06:49,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 00:06:49,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 00:06:49,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 00:06:49,460 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 00:06:49,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 12:06:46" (1/3) ... [2020-10-22 00:06:49,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d39d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:06:49, skipping insertion in model container [2020-10-22 00:06:49,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:06:47" (2/3) ... [2020-10-22 00:06:49,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d39d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:06:49, skipping insertion in model container [2020-10-22 00:06:49,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:06:49" (3/3) ... [2020-10-22 00:06:49,465 INFO L111 eAbstractionObserver]: Analyzing ICFG mix022_pso.opt.i [2020-10-22 00:06:49,478 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 00:06:49,479 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 00:06:49,488 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-22 00:06:49,489 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 00:06:49,532 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,533 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,533 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,533 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,534 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,535 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,535 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,535 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,535 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,535 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,538 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,538 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,539 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,541 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,542 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,542 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,542 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,542 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,542 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,543 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,543 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,543 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,543 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,544 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,544 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,544 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,544 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,544 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,544 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,545 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,545 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,545 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,545 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,545 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,545 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,547 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,559 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,559 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,560 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,560 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,560 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,560 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,560 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,561 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,561 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,561 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,561 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,561 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,562 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,562 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,562 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,562 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,562 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,563 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,566 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,566 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,566 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,567 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,574 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,579 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,579 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,579 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,579 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,579 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,580 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,580 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,580 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,580 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,580 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,580 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:06:49,582 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 00:06:49,596 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-22 00:06:49,616 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 00:06:49,616 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 00:06:49,617 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 00:06:49,617 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 00:06:49,617 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 00:06:49,617 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 00:06:49,617 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 00:06:49,617 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 00:06:49,634 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 00:06:49,635 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 86 transitions, 182 flow [2020-10-22 00:06:49,637 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 86 transitions, 182 flow [2020-10-22 00:06:49,639 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 90 places, 86 transitions, 182 flow [2020-10-22 00:06:49,684 INFO L129 PetriNetUnfolder]: 3/84 cut-off events. [2020-10-22 00:06:49,684 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 00:06:49,689 INFO L80 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 84 events. 3/84 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 58 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2020-10-22 00:06:49,691 INFO L116 LiptonReduction]: Number of co-enabled transitions 1120 [2020-10-22 00:06:49,988 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-10-22 00:06:50,497 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-22 00:06:51,570 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2020-10-22 00:06:52,333 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-10-22 00:06:52,520 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-22 00:06:52,535 INFO L131 LiptonReduction]: Checked pairs total: 3047 [2020-10-22 00:06:52,535 INFO L133 LiptonReduction]: Total number of compositions: 80 [2020-10-22 00:06:52,541 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 22 transitions, 54 flow [2020-10-22 00:06:52,565 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 230 states. [2020-10-22 00:06:52,567 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states. [2020-10-22 00:06:52,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-22 00:06:52,591 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:06:52,592 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-22 00:06:52,593 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:06:52,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:06:52,604 INFO L82 PathProgramCache]: Analyzing trace with hash 951792, now seen corresponding path program 1 times [2020-10-22 00:06:52,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:06:52,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953315474] [2020-10-22 00:06:52,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:06:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:06:52,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:06:52,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953315474] [2020-10-22 00:06:52,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:06:52,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 00:06:52,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [746811548] [2020-10-22 00:06:52,836 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:06:52,838 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:06:52,850 INFO L252 McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions. [2020-10-22 00:06:52,851 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:06:52,855 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:06:52,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 00:06:52,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:06:52,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 00:06:52,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:06:52,873 INFO L87 Difference]: Start difference. First operand 230 states. Second operand 3 states. [2020-10-22 00:06:52,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:06:52,930 INFO L93 Difference]: Finished difference Result 192 states and 464 transitions. [2020-10-22 00:06:52,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 00:06:52,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-22 00:06:52,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:06:52,943 INFO L225 Difference]: With dead ends: 192 [2020-10-22 00:06:52,944 INFO L226 Difference]: Without dead ends: 162 [2020-10-22 00:06:52,945 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 [2020-10-22 00:06:52,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-10-22 00:06:52,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2020-10-22 00:06:52,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-10-22 00:06:52,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 385 transitions. [2020-10-22 00:06:52,996 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 385 transitions. Word has length 3 [2020-10-22 00:06:52,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:06:52,997 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 385 transitions. [2020-10-22 00:06:52,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 00:06:52,997 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 385 transitions. [2020-10-22 00:06:52,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-22 00:06:52,998 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:06:52,998 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:06:52,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 00:06:52,999 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:06:52,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:06:52,999 INFO L82 PathProgramCache]: Analyzing trace with hash -984094949, now seen corresponding path program 1 times [2020-10-22 00:06:53,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:06:53,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686324499] [2020-10-22 00:06:53,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:06:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:06:53,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:06:53,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686324499] [2020-10-22 00:06:53,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:06:53,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:06:53,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1775600764] [2020-10-22 00:06:53,159 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:06:53,160 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:06:53,162 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-10-22 00:06:53,162 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:06:53,162 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:06:53,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:06:53,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:06:53,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:06:53,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:06:53,165 INFO L87 Difference]: Start difference. First operand 162 states and 385 transitions. Second operand 4 states. [2020-10-22 00:06:53,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:06:53,193 INFO L93 Difference]: Finished difference Result 172 states and 388 transitions. [2020-10-22 00:06:53,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 00:06:53,194 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-22 00:06:53,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:06:53,196 INFO L225 Difference]: With dead ends: 172 [2020-10-22 00:06:53,196 INFO L226 Difference]: Without dead ends: 142 [2020-10-22 00:06:53,197 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:06:53,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-22 00:06:53,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2020-10-22 00:06:53,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-10-22 00:06:53,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 329 transitions. [2020-10-22 00:06:53,212 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 329 transitions. Word has length 8 [2020-10-22 00:06:53,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:06:53,212 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 329 transitions. [2020-10-22 00:06:53,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:06:53,213 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 329 transitions. [2020-10-22 00:06:53,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 00:06:53,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:06:53,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:06:53,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 00:06:53,214 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:06:53,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:06:53,215 INFO L82 PathProgramCache]: Analyzing trace with hash -828241020, now seen corresponding path program 1 times [2020-10-22 00:06:53,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:06:53,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090504610] [2020-10-22 00:06:53,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:06:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:06:53,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:06:53,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090504610] [2020-10-22 00:06:53,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:06:53,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 00:06:53,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1872957897] [2020-10-22 00:06:53,335 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:06:53,336 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:06:53,341 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 18 transitions. [2020-10-22 00:06:53,341 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:06:53,398 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:06:53,422 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:06:53,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:06:53,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:06:53,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:06:53,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:06:53,423 INFO L87 Difference]: Start difference. First operand 142 states and 329 transitions. Second operand 4 states. [2020-10-22 00:06:53,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:06:53,451 INFO L93 Difference]: Finished difference Result 108 states and 206 transitions. [2020-10-22 00:06:53,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 00:06:53,451 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-22 00:06:53,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:06:53,452 INFO L225 Difference]: With dead ends: 108 [2020-10-22 00:06:53,453 INFO L226 Difference]: Without dead ends: 78 [2020-10-22 00:06:53,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:06:53,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-22 00:06:53,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-10-22 00:06:53,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-22 00:06:53,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 137 transitions. [2020-10-22 00:06:53,460 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 137 transitions. Word has length 10 [2020-10-22 00:06:53,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:06:53,460 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 137 transitions. [2020-10-22 00:06:53,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:06:53,460 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 137 transitions. [2020-10-22 00:06:53,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 00:06:53,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:06:53,461 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:06:53,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 00:06:53,462 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:06:53,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:06:53,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1872125683, now seen corresponding path program 1 times [2020-10-22 00:06:53,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:06:53,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535972757] [2020-10-22 00:06:53,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:06:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:06:53,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:06:53,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535972757] [2020-10-22 00:06:53,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:06:53,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 00:06:53,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [707758599] [2020-10-22 00:06:53,678 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:06:53,680 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:06:53,683 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-10-22 00:06:53,683 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:06:53,683 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:06:53,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 00:06:53,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:06:53,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 00:06:53,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:06:53,684 INFO L87 Difference]: Start difference. First operand 78 states and 137 transitions. Second operand 5 states. [2020-10-22 00:06:53,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:06:53,721 INFO L93 Difference]: Finished difference Result 56 states and 91 transitions. [2020-10-22 00:06:53,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 00:06:53,721 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-22 00:06:53,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:06:53,722 INFO L225 Difference]: With dead ends: 56 [2020-10-22 00:06:53,722 INFO L226 Difference]: Without dead ends: 46 [2020-10-22 00:06:53,723 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 [2020-10-22 00:06:53,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-22 00:06:53,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-10-22 00:06:53,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-22 00:06:53,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 73 transitions. [2020-10-22 00:06:53,726 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 73 transitions. Word has length 13 [2020-10-22 00:06:53,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:06:53,727 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 73 transitions. [2020-10-22 00:06:53,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 00:06:53,727 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 73 transitions. [2020-10-22 00:06:53,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 00:06:53,728 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:06:53,728 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:06:53,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 00:06:53,728 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:06:53,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:06:53,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1931604944, now seen corresponding path program 1 times [2020-10-22 00:06:53,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:06:53,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259354973] [2020-10-22 00:06:53,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:06:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:06:53,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:06:53,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259354973] [2020-10-22 00:06:53,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:06:53,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 00:06:53,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1808839478] [2020-10-22 00:06:53,964 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:06:53,967 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:06:53,979 INFO L252 McrAutomatonBuilder]: Finished intersection with 36 states and 51 transitions. [2020-10-22 00:06:53,979 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:06:54,247 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 216 [2020-10-22 00:06:54,369 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 4, 4, 3, 3, 2, 1] term [2020-10-22 00:06:54,369 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,371 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 4, 4, 3, 2, 1] term [2020-10-22 00:06:54,371 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,372 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 4, 4, 3, 2, 1] term [2020-10-22 00:06:54,373 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,374 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 3, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-22 00:06:54,375 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,376 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-22 00:06:54,377 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,377 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-22 00:06:54,378 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,379 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 2, 4, 4, 3, 3, 2, 1] term [2020-10-22 00:06:54,380 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,381 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-22 00:06:54,381 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,382 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-22 00:06:54,382 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,385 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,392 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:06:54,405 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 00:06:54,469 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 00:06:54,539 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 00:06:54,673 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 2, 1] term [2020-10-22 00:06:54,673 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,674 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 2, 2, 1] term [2020-10-22 00:06:54,674 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,676 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-22 00:06:54,677 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,680 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-22 00:06:54,680 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,682 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,684 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,690 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:06:54,691 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 00:06:54,695 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:06:54,696 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-22 00:06:54,701 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-22 00:06:54,702 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:06:54,708 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:06:54,711 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:06:54,714 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:06:54,717 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,720 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,725 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 3, 4, 2, 3, 2, 1] term [2020-10-22 00:06:54,726 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,860 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 2, 1] term [2020-10-22 00:06:54,861 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,861 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 2, 2, 1] term [2020-10-22 00:06:54,861 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,863 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-22 00:06:54,864 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,865 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-22 00:06:54,865 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,867 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,868 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-22 00:06:54,868 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-10-22 00:06:54,875 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 00:06:54,879 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:06:54,880 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:06:54,880 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:06:54,887 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 00:06:54,892 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-22 00:06:54,894 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:54,898 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:06:54,899 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:06:54,900 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:06:54,905 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:06:54,906 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:06:54,916 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 3, 4, 2, 3, 2, 1] term [2020-10-22 00:06:54,917 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:55,091 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 2, 1] term [2020-10-22 00:06:55,092 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:55,092 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 2, 2, 1] term [2020-10-22 00:06:55,092 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:55,096 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-22 00:06:55,096 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:55,097 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-22 00:06:55,097 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:55,099 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:55,099 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:55,103 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:06:55,105 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:06:55,106 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:06:55,111 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:06:55,111 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:06:55,122 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-22 00:06:55,125 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 3, 4, 2, 3, 2, 1] term [2020-10-22 00:06:55,125 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:06:55,174 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [1965#(and (not (= (mod ~y$r_buff0_thd1~0 256) 0)) (not (= (mod ~y$w_buff0_used~0 256) 0)) (not (= ~y$w_buff0~0 0)))] [2020-10-22 00:06:55,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 00:06:55,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:06:55,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 00:06:55,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-22 00:06:55,175 INFO L87 Difference]: Start difference. First operand 46 states and 73 transitions. Second operand 7 states. [2020-10-22 00:06:55,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:06:55,311 INFO L93 Difference]: Finished difference Result 68 states and 102 transitions. [2020-10-22 00:06:55,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 00:06:55,312 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-10-22 00:06:55,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:06:55,312 INFO L225 Difference]: With dead ends: 68 [2020-10-22 00:06:55,313 INFO L226 Difference]: Without dead ends: 49 [2020-10-22 00:06:55,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-22 00:06:55,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-22 00:06:55,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 36. [2020-10-22 00:06:55,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-22 00:06:55,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 53 transitions. [2020-10-22 00:06:55,316 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 53 transitions. Word has length 17 [2020-10-22 00:06:55,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:06:55,316 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 53 transitions. [2020-10-22 00:06:55,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 00:06:55,317 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2020-10-22 00:06:55,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 00:06:55,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:06:55,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:06:55,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 00:06:55,318 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:06:55,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:06:55,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1952575984, now seen corresponding path program 2 times [2020-10-22 00:06:55,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:06:55,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896673783] [2020-10-22 00:06:55,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:06:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 00:06:55,405 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 00:06:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 00:06:55,483 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 00:06:55,523 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 00:06:55,523 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 00:06:55,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 00:06:55,548 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,548 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [737] [2020-10-22 00:06:55,550 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,550 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,550 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,550 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,551 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,551 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,551 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,551 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,551 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,552 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,552 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,552 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,552 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,552 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,553 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,553 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,553 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,553 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,553 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,553 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,554 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,554 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,554 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,554 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,554 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,554 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,555 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,555 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,555 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,555 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,555 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,556 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,556 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,556 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,556 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,556 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,557 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,557 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,557 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,557 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,557 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,558 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,558 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,558 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,558 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,558 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,559 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,559 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,559 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,559 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,560 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,560 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,560 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,560 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,560 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 00:06:55,560 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 00:06:55,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 12:06:55 BasicIcfg [2020-10-22 00:06:55,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 00:06:55,632 INFO L168 Benchmark]: Toolchain (without parser) took 8970.98 ms. Allocated memory was 138.9 MB in the beginning and 340.3 MB in the end (delta: 201.3 MB). Free memory was 100.0 MB in the beginning and 156.8 MB in the end (delta: -56.8 MB). Peak memory consumption was 144.5 MB. Max. memory is 7.1 GB. [2020-10-22 00:06:55,633 INFO L168 Benchmark]: CDTParser took 1.01 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-22 00:06:55,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.40 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 99.1 MB in the beginning and 153.2 MB in the end (delta: -54.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-10-22 00:06:55,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.49 ms. Allocated memory is still 201.9 MB. Free memory was 153.2 MB in the beginning and 150.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-22 00:06:55,637 INFO L168 Benchmark]: Boogie Preprocessor took 39.71 ms. Allocated memory is still 201.9 MB. Free memory was 150.4 MB in the beginning and 147.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-22 00:06:55,638 INFO L168 Benchmark]: RCFGBuilder took 1867.17 ms. Allocated memory was 201.9 MB in the beginning and 250.6 MB in the end (delta: 48.8 MB). Free memory was 147.6 MB in the beginning and 193.2 MB in the end (delta: -45.6 MB). Peak memory consumption was 101.8 MB. Max. memory is 7.1 GB. [2020-10-22 00:06:55,641 INFO L168 Benchmark]: TraceAbstraction took 6173.77 ms. Allocated memory was 250.6 MB in the beginning and 340.3 MB in the end (delta: 89.7 MB). Free memory was 193.2 MB in the beginning and 156.8 MB in the end (delta: 36.5 MB). Peak memory consumption was 126.1 MB. Max. memory is 7.1 GB. [2020-10-22 00:06:55,647 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.01 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 822.40 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 99.1 MB in the beginning and 153.2 MB in the end (delta: -54.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 58.49 ms. Allocated memory is still 201.9 MB. Free memory was 153.2 MB in the beginning and 150.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.71 ms. Allocated memory is still 201.9 MB. Free memory was 150.4 MB in the beginning and 147.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1867.17 ms. Allocated memory was 201.9 MB in the beginning and 250.6 MB in the end (delta: 48.8 MB). Free memory was 147.6 MB in the beginning and 193.2 MB in the end (delta: -45.6 MB). Peak memory consumption was 101.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6173.77 ms. Allocated memory was 250.6 MB in the beginning and 340.3 MB in the end (delta: 89.7 MB). Free memory was 193.2 MB in the beginning and 156.8 MB in the end (delta: 36.5 MB). Peak memory consumption was 126.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 618 VarBasedMoverChecksPositive, 22 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 53 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.8s, 90 PlacesBefore, 28 PlacesAfterwards, 86 TransitionsBefore, 22 TransitionsAfterwards, 1120 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 80 TotalNumberOfCompositions, 3047 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p1_EAX = 0; [L712] 0 int __unbuffered_p1_EBX = 0; [L713] 0 _Bool main$tmp_guard0; [L714] 0 _Bool main$tmp_guard1; [L716] 0 int x = 0; [L718] 0 int y = 0; [L719] 0 _Bool y$flush_delayed; [L720] 0 int y$mem_tmp; [L721] 0 _Bool y$r_buff0_thd0; [L722] 0 _Bool y$r_buff0_thd1; [L723] 0 _Bool y$r_buff0_thd2; [L724] 0 _Bool y$r_buff1_thd0; [L725] 0 _Bool y$r_buff1_thd1; [L726] 0 _Bool y$r_buff1_thd2; [L727] 0 _Bool y$read_delayed; [L728] 0 int *y$read_delayed_var; [L729] 0 int y$w_buff0; [L730] 0 _Bool y$w_buff0_used; [L731] 0 int y$w_buff1; [L732] 0 _Bool y$w_buff1_used; [L733] 0 _Bool weak$$choice0; [L734] 0 _Bool weak$$choice2; [L810] 0 pthread_t t591; [L811] FCALL, FORK 0 pthread_create(&t591, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L738] 1 y$w_buff1 = y$w_buff0 [L739] 1 y$w_buff0 = 1 [L740] 1 y$w_buff1_used = y$w_buff0_used [L741] 1 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L743] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L744] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L745] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L746] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L749] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L812] 0 pthread_t t592; [L813] FCALL, FORK 0 pthread_create(&t592, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L766] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L769] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L772] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L773] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L774] 2 y$flush_delayed = weak$$choice2 [L775] 2 y$mem_tmp = y [L776] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L776] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L777] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L777] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L777] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L777] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L778] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L778] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L779] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L779] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L780] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L780] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0 [L780] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L780] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L781] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L782] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L782] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0 [L782] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L782] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 __unbuffered_p1_EBX = y [L784] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L784] 2 y = y$flush_delayed ? y$mem_tmp : y [L785] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L752] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L753] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L753] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L754] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L754] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L755] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L755] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L756] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L756] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L759] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L761] 1 return 0; [L788] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L788] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L789] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L789] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L790] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L790] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L791] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L791] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L792] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L792] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 2 return 0; [L815] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L819] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L819] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L820] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L820] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L821] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L821] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L822] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L822] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L823] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L823] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L826] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix022_pso.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.9s, HoareTripleCheckerStatistics: 109 SDtfs, 81 SDslu, 212 SDs, 0 SdLazy, 106 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 17 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=230occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 3366 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...