/usr/bin/java -Xmx16000000000 -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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe034_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 18:39:54,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 18:39:54,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 18:39:54,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 18:39:54,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 18:39:54,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 18:39:54,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 18:39:54,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 18:39:54,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 18:39:54,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 18:39:54,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 18:39:54,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 18:39:54,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 18:39:54,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 18:39:54,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 18:39:54,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 18:39:54,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 18:39:54,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 18:39:54,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 18:39:54,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 18:39:54,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 18:39:54,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 18:39:54,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 18:39:54,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 18:39:54,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-15 18:39:54,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 18:39:54,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 18:39:54,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 18:39:54,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 18:39:54,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 18:39:54,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 18:39:54,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 18:39:54,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 18:39:54,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 18:39:54,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 18:39:54,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 18:39:54,506 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 18:39:54,545 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 18:39:54,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 18:39:54,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 18:39:54,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 18:39:54,547 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 18:39:54,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 18:39:54,547 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 18:39:54,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 18:39:54,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 18:39:54,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 18:39:54,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 18:39:54,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 18:39:54,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 18:39:54,549 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 18:39:54,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 18:39:54,549 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 18:39:54,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 18:39:54,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 18:39:54,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 18:39:54,550 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 18:39:54,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 18:39:54,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 18:39:54,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 18:39:54,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 18:39:54,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 18:39:54,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 18:39:54,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 18:39:54,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 18:39:54,551 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 18:39:54,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 18:39:54,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 18:39:54,844 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 18:39:54,848 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 18:39:54,849 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 18:39:54,849 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 18:39:54,850 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe034_power.opt.i [2020-10-15 18:39:54,912 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26db3de2c/b2047a1cfbfb4f15a03a451c30921264/FLAGed16c633c [2020-10-15 18:39:55,433 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 18:39:55,434 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe034_power.opt.i [2020-10-15 18:39:55,449 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26db3de2c/b2047a1cfbfb4f15a03a451c30921264/FLAGed16c633c [2020-10-15 18:39:55,722 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26db3de2c/b2047a1cfbfb4f15a03a451c30921264 [2020-10-15 18:39:55,732 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 18:39:55,734 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 18:39:55,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 18:39:55,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 18:39:55,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 18:39:55,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:39:55" (1/1) ... [2020-10-15 18:39:55,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27e9e907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:39:55, skipping insertion in model container [2020-10-15 18:39:55,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:39:55" (1/1) ... [2020-10-15 18:39:55,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 18:39:55,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 18:39:56,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 18:39:56,317 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 18:39:56,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 18:39:56,499 INFO L208 MainTranslator]: Completed translation [2020-10-15 18:39:56,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:39:56 WrapperNode [2020-10-15 18:39:56,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 18:39:56,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 18:39:56,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 18:39:56,501 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 18:39:56,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:39:56" (1/1) ... [2020-10-15 18:39:56,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:39:56" (1/1) ... [2020-10-15 18:39:56,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 18:39:56,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 18:39:56,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 18:39:56,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 18:39:56,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:39:56" (1/1) ... [2020-10-15 18:39:56,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:39:56" (1/1) ... [2020-10-15 18:39:56,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:39:56" (1/1) ... [2020-10-15 18:39:56,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:39:56" (1/1) ... [2020-10-15 18:39:56,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:39:56" (1/1) ... [2020-10-15 18:39:56,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:39:56" (1/1) ... [2020-10-15 18:39:56,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:39:56" (1/1) ... [2020-10-15 18:39:56,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 18:39:56,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 18:39:56,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 18:39:56,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 18:39:56,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:39:56" (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 [2020-10-15 18:39:56,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 18:39:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-15 18:39:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 18:39:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 18:39:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-15 18:39:56,693 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-15 18:39:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-15 18:39:56,694 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-15 18:39:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-15 18:39:56,694 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-15 18:39:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-15 18:39:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 18:39:56,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 18:39:56,696 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 18:39:58,478 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 18:39:58,478 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-15 18:39:58,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:39:58 BoogieIcfgContainer [2020-10-15 18:39:58,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 18:39:58,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 18:39:58,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 18:39:58,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 18:39:58,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:39:55" (1/3) ... [2020-10-15 18:39:58,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35605223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:39:58, skipping insertion in model container [2020-10-15 18:39:58,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:39:56" (2/3) ... [2020-10-15 18:39:58,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35605223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:39:58, skipping insertion in model container [2020-10-15 18:39:58,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:39:58" (3/3) ... [2020-10-15 18:39:58,489 INFO L111 eAbstractionObserver]: Analyzing ICFG safe034_power.opt.i [2020-10-15 18:39:58,501 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 18:39:58,502 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 18:39:58,510 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-15 18:39:58,511 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 18:39:58,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,541 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,541 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,542 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,542 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,542 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,542 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,543 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,543 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,543 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,543 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,544 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,544 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,544 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,544 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,544 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,544 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,545 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,545 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,545 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,545 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,545 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,547 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,547 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,547 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,547 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,547 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,547 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,552 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,552 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,552 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,553 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,553 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,553 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,553 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,553 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,554 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,554 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,554 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,554 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,555 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,555 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,555 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,555 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,555 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,556 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,556 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,560 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,561 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,565 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,565 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,565 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,565 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,566 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,566 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,566 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,566 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,567 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,567 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,567 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,567 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,567 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,570 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,575 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,575 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,576 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 18:39:58,593 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-15 18:39:58,617 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 18:39:58,617 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 18:39:58,617 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 18:39:58,617 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 18:39:58,617 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 18:39:58,618 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 18:39:58,618 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 18:39:58,618 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 18:39:58,635 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 18:39:58,638 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 91 transitions, 197 flow [2020-10-15 18:39:58,641 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 91 transitions, 197 flow [2020-10-15 18:39:58,644 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 99 places, 91 transitions, 197 flow [2020-10-15 18:39:58,695 INFO L129 PetriNetUnfolder]: 2/88 cut-off events. [2020-10-15 18:39:58,695 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 18:39:58,700 INFO L80 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 88 events. 2/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 58. Up to 2 conditions per place. [2020-10-15 18:39:58,703 INFO L117 LiptonReduction]: Number of co-enabled transitions 1448 [2020-10-15 18:39:59,166 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-10-15 18:39:59,602 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-15 18:39:59,750 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:39:59,750 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:39:59,755 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:39:59,755 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:39:59,762 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:39:59,762 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:39:59,768 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:39:59,768 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:39:59,806 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:39:59,806 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:39:59,808 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:39:59,808 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:39:59,815 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:39:59,816 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:39:59,820 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:39:59,820 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:40:00,164 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-15 18:40:00,225 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-15 18:40:00,226 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:40:00,327 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-15 18:40:00,328 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:40:00,330 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 3, 2, 1] term [2020-10-15 18:40:00,330 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:40:00,331 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 4, 4, 3, 3, 2, 1] term [2020-10-15 18:40:00,332 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:40:00,585 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:40:00,586 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:40:00,589 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:40:00,590 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:40:00,592 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:40:00,593 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:40:00,595 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:40:00,596 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:40:00,617 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:40:00,617 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:40:00,618 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:40:00,619 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:40:00,624 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:40:00,625 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:40:00,627 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:40:00,628 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:40:00,743 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:40:00,744 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:40:00,746 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-15 18:40:00,747 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 18:40:00,748 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-15 18:40:00,749 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 18:40:00,750 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-15 18:40:00,751 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 18:40:00,753 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-15 18:40:00,753 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:40:00,755 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-15 18:40:00,755 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:40:00,756 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-15 18:40:00,757 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:40:00,801 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-15 18:40:00,801 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-15 18:40:00,803 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-15 18:40:00,804 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:40:00,857 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:40:00,857 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:40:00,858 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:40:00,859 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:40:00,860 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:40:00,861 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:40:00,862 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:40:00,863 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:40:00,874 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:40:00,874 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:40:00,875 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:40:00,876 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:40:00,878 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:40:00,878 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:40:00,880 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:40:00,881 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:40:01,048 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-15 18:40:01,049 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-15 18:40:01,052 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-15 18:40:01,052 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:40:01,082 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:40:01,083 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:40:01,103 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-15 18:40:01,103 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 18:40:01,105 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-15 18:40:01,106 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 18:40:01,108 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-15 18:40:01,109 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 18:40:01,110 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-15 18:40:01,111 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:40:01,113 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-15 18:40:01,113 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:40:01,115 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-15 18:40:01,116 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:40:01,233 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-15 18:40:01,234 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:40:01,235 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 3, 2, 1] term [2020-10-15 18:40:01,236 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:40:01,237 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 4, 4, 3, 3, 2, 1] term [2020-10-15 18:40:01,238 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:40:01,302 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:40:01,303 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:40:01,304 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:40:01,304 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:40:01,306 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:40:01,306 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:40:01,308 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:40:01,308 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 18:40:01,325 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:40:01,325 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:40:01,326 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:40:01,327 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 18:40:01,329 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 18:40:01,330 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:40:01,333 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 18:40:01,333 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 18:40:01,998 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-10-15 18:40:02,101 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-15 18:40:02,109 INFO L132 LiptonReduction]: Checked pairs total: 3089 [2020-10-15 18:40:02,109 INFO L134 LiptonReduction]: Total number of compositions: 74 [2020-10-15 18:40:02,116 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 26 transitions, 67 flow [2020-10-15 18:40:02,156 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 618 states. [2020-10-15 18:40:02,159 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states. [2020-10-15 18:40:02,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-15 18:40:02,166 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:40:02,167 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:40:02,167 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:40:02,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:40:02,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1377315571, now seen corresponding path program 1 times [2020-10-15 18:40:02,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:40:02,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966928414] [2020-10-15 18:40:02,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:40:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:40:02,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:40:02,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966928414] [2020-10-15 18:40:02,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:40:02,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 18:40:02,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539930507] [2020-10-15 18:40:02,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 18:40:02,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:40:02,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 18:40:02,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 18:40:02,473 INFO L87 Difference]: Start difference. First operand 618 states. Second operand 3 states. [2020-10-15 18:40:02,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:40:02,549 INFO L93 Difference]: Finished difference Result 522 states and 1600 transitions. [2020-10-15 18:40:02,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 18:40:02,553 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-15 18:40:02,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:40:02,578 INFO L225 Difference]: With dead ends: 522 [2020-10-15 18:40:02,579 INFO L226 Difference]: Without dead ends: 442 [2020-10-15 18:40:02,585 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 [2020-10-15 18:40:02,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-10-15 18:40:02,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2020-10-15 18:40:02,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-10-15 18:40:02,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 1336 transitions. [2020-10-15 18:40:02,678 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 1336 transitions. Word has length 7 [2020-10-15 18:40:02,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:40:02,679 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 1336 transitions. [2020-10-15 18:40:02,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 18:40:02,680 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 1336 transitions. [2020-10-15 18:40:02,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-15 18:40:02,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:40:02,682 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:40:02,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 18:40:02,683 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:40:02,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:40:02,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1787309430, now seen corresponding path program 1 times [2020-10-15 18:40:02,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:40:02,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899590426] [2020-10-15 18:40:02,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:40:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:40:02,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:40:02,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899590426] [2020-10-15 18:40:02,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:40:02,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 18:40:02,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310964799] [2020-10-15 18:40:02,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 18:40:02,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:40:02,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 18:40:02,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 18:40:02,870 INFO L87 Difference]: Start difference. First operand 442 states and 1336 transitions. Second operand 4 states. [2020-10-15 18:40:02,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:40:02,913 INFO L93 Difference]: Finished difference Result 506 states and 1468 transitions. [2020-10-15 18:40:02,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 18:40:02,914 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-15 18:40:02,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:40:02,918 INFO L225 Difference]: With dead ends: 506 [2020-10-15 18:40:02,919 INFO L226 Difference]: Without dead ends: 426 [2020-10-15 18:40:02,920 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 [2020-10-15 18:40:02,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2020-10-15 18:40:02,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2020-10-15 18:40:02,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-10-15 18:40:02,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 1276 transitions. [2020-10-15 18:40:02,957 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 1276 transitions. Word has length 10 [2020-10-15 18:40:02,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:40:02,957 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 1276 transitions. [2020-10-15 18:40:02,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 18:40:02,957 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1276 transitions. [2020-10-15 18:40:02,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-15 18:40:02,960 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:40:02,960 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:40:02,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 18:40:02,960 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:40:02,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:40:02,961 INFO L82 PathProgramCache]: Analyzing trace with hash -427936001, now seen corresponding path program 1 times [2020-10-15 18:40:02,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:40:02,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292322465] [2020-10-15 18:40:02,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:40:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:40:03,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:40:03,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292322465] [2020-10-15 18:40:03,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:40:03,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 18:40:03,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562130684] [2020-10-15 18:40:03,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 18:40:03,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:40:03,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 18:40:03,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 18:40:03,081 INFO L87 Difference]: Start difference. First operand 426 states and 1276 transitions. Second operand 4 states. [2020-10-15 18:40:03,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:40:03,116 INFO L93 Difference]: Finished difference Result 374 states and 968 transitions. [2020-10-15 18:40:03,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 18:40:03,117 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-15 18:40:03,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:40:03,119 INFO L225 Difference]: With dead ends: 374 [2020-10-15 18:40:03,119 INFO L226 Difference]: Without dead ends: 294 [2020-10-15 18:40:03,119 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 18:40:03,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-10-15 18:40:03,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2020-10-15 18:40:03,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-10-15 18:40:03,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 748 transitions. [2020-10-15 18:40:03,133 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 748 transitions. Word has length 11 [2020-10-15 18:40:03,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:40:03,134 INFO L481 AbstractCegarLoop]: Abstraction has 294 states and 748 transitions. [2020-10-15 18:40:03,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 18:40:03,134 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 748 transitions. [2020-10-15 18:40:03,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-15 18:40:03,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:40:03,136 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:40:03,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 18:40:03,137 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:40:03,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:40:03,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1083419214, now seen corresponding path program 1 times [2020-10-15 18:40:03,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:40:03,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576762321] [2020-10-15 18:40:03,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:40:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:40:03,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:40:03,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576762321] [2020-10-15 18:40:03,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:40:03,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 18:40:03,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975436273] [2020-10-15 18:40:03,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 18:40:03,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:40:03,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 18:40:03,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 18:40:03,262 INFO L87 Difference]: Start difference. First operand 294 states and 748 transitions. Second operand 5 states. [2020-10-15 18:40:03,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:40:03,320 INFO L93 Difference]: Finished difference Result 210 states and 473 transitions. [2020-10-15 18:40:03,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 18:40:03,321 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-15 18:40:03,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:40:03,322 INFO L225 Difference]: With dead ends: 210 [2020-10-15 18:40:03,323 INFO L226 Difference]: Without dead ends: 166 [2020-10-15 18:40:03,323 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 [2020-10-15 18:40:03,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-15 18:40:03,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2020-10-15 18:40:03,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-10-15 18:40:03,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 364 transitions. [2020-10-15 18:40:03,329 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 364 transitions. Word has length 13 [2020-10-15 18:40:03,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:40:03,329 INFO L481 AbstractCegarLoop]: Abstraction has 166 states and 364 transitions. [2020-10-15 18:40:03,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 18:40:03,329 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 364 transitions. [2020-10-15 18:40:03,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-15 18:40:03,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:40:03,338 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:40:03,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 18:40:03,339 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:40:03,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:40:03,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1399367308, now seen corresponding path program 1 times [2020-10-15 18:40:03,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:40:03,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85322391] [2020-10-15 18:40:03,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:40:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:40:03,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:40:03,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85322391] [2020-10-15 18:40:03,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:40:03,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 18:40:03,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822916502] [2020-10-15 18:40:03,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 18:40:03,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:40:03,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 18:40:03,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 18:40:03,534 INFO L87 Difference]: Start difference. First operand 166 states and 364 transitions. Second operand 5 states. [2020-10-15 18:40:03,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:40:03,580 INFO L93 Difference]: Finished difference Result 236 states and 498 transitions. [2020-10-15 18:40:03,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 18:40:03,581 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-15 18:40:03,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:40:03,584 INFO L225 Difference]: With dead ends: 236 [2020-10-15 18:40:03,584 INFO L226 Difference]: Without dead ends: 170 [2020-10-15 18:40:03,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-15 18:40:03,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-10-15 18:40:03,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 166. [2020-10-15 18:40:03,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-10-15 18:40:03,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 341 transitions. [2020-10-15 18:40:03,591 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 341 transitions. Word has length 16 [2020-10-15 18:40:03,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:40:03,591 INFO L481 AbstractCegarLoop]: Abstraction has 166 states and 341 transitions. [2020-10-15 18:40:03,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 18:40:03,591 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 341 transitions. [2020-10-15 18:40:03,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-15 18:40:03,593 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:40:03,593 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:40:03,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 18:40:03,593 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:40:03,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:40:03,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1779136938, now seen corresponding path program 2 times [2020-10-15 18:40:03,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:40:03,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251301251] [2020-10-15 18:40:03,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:40:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:40:03,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:40:03,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251301251] [2020-10-15 18:40:03,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:40:03,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 18:40:03,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832156062] [2020-10-15 18:40:03,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 18:40:03,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:40:03,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 18:40:03,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 18:40:03,762 INFO L87 Difference]: Start difference. First operand 166 states and 341 transitions. Second operand 6 states. [2020-10-15 18:40:03,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:40:03,833 INFO L93 Difference]: Finished difference Result 137 states and 282 transitions. [2020-10-15 18:40:03,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 18:40:03,834 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-15 18:40:03,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:40:03,835 INFO L225 Difference]: With dead ends: 137 [2020-10-15 18:40:03,835 INFO L226 Difference]: Without dead ends: 84 [2020-10-15 18:40:03,835 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-15 18:40:03,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-10-15 18:40:03,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2020-10-15 18:40:03,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-15 18:40:03,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 164 transitions. [2020-10-15 18:40:03,839 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 164 transitions. Word has length 16 [2020-10-15 18:40:03,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:40:03,840 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 164 transitions. [2020-10-15 18:40:03,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 18:40:03,840 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 164 transitions. [2020-10-15 18:40:03,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-15 18:40:03,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:40:03,841 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:40:03,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 18:40:03,841 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:40:03,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:40:03,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1056764568, now seen corresponding path program 1 times [2020-10-15 18:40:03,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:40:03,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983922029] [2020-10-15 18:40:03,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:40:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:40:04,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:40:04,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983922029] [2020-10-15 18:40:04,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:40:04,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 18:40:04,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085333513] [2020-10-15 18:40:04,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 18:40:04,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:40:04,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 18:40:04,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-15 18:40:04,166 INFO L87 Difference]: Start difference. First operand 84 states and 164 transitions. Second operand 11 states. [2020-10-15 18:40:04,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:40:04,485 INFO L93 Difference]: Finished difference Result 112 states and 208 transitions. [2020-10-15 18:40:04,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 18:40:04,485 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2020-10-15 18:40:04,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:40:04,486 INFO L225 Difference]: With dead ends: 112 [2020-10-15 18:40:04,486 INFO L226 Difference]: Without dead ends: 92 [2020-10-15 18:40:04,487 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2020-10-15 18:40:04,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-10-15 18:40:04,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 86. [2020-10-15 18:40:04,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-15 18:40:04,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 165 transitions. [2020-10-15 18:40:04,493 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 165 transitions. Word has length 20 [2020-10-15 18:40:04,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:40:04,493 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 165 transitions. [2020-10-15 18:40:04,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 18:40:04,493 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 165 transitions. [2020-10-15 18:40:04,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-15 18:40:04,494 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:40:04,494 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:40:04,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 18:40:04,494 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:40:04,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:40:04,495 INFO L82 PathProgramCache]: Analyzing trace with hash -392847882, now seen corresponding path program 2 times [2020-10-15 18:40:04,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:40:04,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161815467] [2020-10-15 18:40:04,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:40:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 18:40:04,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 18:40:04,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161815467] [2020-10-15 18:40:04,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 18:40:04,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 18:40:04,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465805741] [2020-10-15 18:40:04,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 18:40:04,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 18:40:04,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 18:40:04,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-15 18:40:04,832 INFO L87 Difference]: Start difference. First operand 86 states and 165 transitions. Second operand 11 states. [2020-10-15 18:40:05,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 18:40:05,039 INFO L93 Difference]: Finished difference Result 102 states and 189 transitions. [2020-10-15 18:40:05,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 18:40:05,040 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2020-10-15 18:40:05,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 18:40:05,041 INFO L225 Difference]: With dead ends: 102 [2020-10-15 18:40:05,041 INFO L226 Difference]: Without dead ends: 85 [2020-10-15 18:40:05,042 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-15 18:40:05,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-10-15 18:40:05,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 76. [2020-10-15 18:40:05,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-15 18:40:05,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 144 transitions. [2020-10-15 18:40:05,045 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 144 transitions. Word has length 20 [2020-10-15 18:40:05,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 18:40:05,045 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 144 transitions. [2020-10-15 18:40:05,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 18:40:05,045 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2020-10-15 18:40:05,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-15 18:40:05,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 18:40:05,046 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 18:40:05,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 18:40:05,046 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 18:40:05,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 18:40:05,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1312546748, now seen corresponding path program 3 times [2020-10-15 18:40:05,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 18:40:05,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946745441] [2020-10-15 18:40:05,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 18:40:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 18:40:05,088 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 18:40:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 18:40:05,120 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 18:40:05,158 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 18:40:05,159 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 18:40:05,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 18:40:05,179 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,179 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,181 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,181 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,181 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,181 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,181 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,182 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,182 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,182 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,182 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,182 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,183 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,183 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,183 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,183 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,183 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,184 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,184 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,184 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,184 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,184 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,184 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,185 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,185 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,185 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,185 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,185 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,186 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,186 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,186 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,186 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,186 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,187 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,187 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,187 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,187 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,187 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,188 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,188 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,188 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,189 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,189 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,189 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,189 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,189 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,189 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,190 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,190 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 18:40:05,190 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 18:40:05,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 06:40:05 BasicIcfg [2020-10-15 18:40:05,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 18:40:05,248 INFO L168 Benchmark]: Toolchain (without parser) took 9513.70 ms. Allocated memory was 254.3 MB in the beginning and 466.1 MB in the end (delta: 211.8 MB). Free memory was 209.6 MB in the beginning and 256.0 MB in the end (delta: -46.4 MB). Peak memory consumption was 165.4 MB. Max. memory is 14.2 GB. [2020-10-15 18:40:05,248 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 254.3 MB. Free memory is still 230.7 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 18:40:05,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.02 ms. Allocated memory was 254.3 MB in the beginning and 328.2 MB in the end (delta: 73.9 MB). Free memory was 209.6 MB in the beginning and 280.6 MB in the end (delta: -70.9 MB). Peak memory consumption was 36.0 MB. Max. memory is 14.2 GB. [2020-10-15 18:40:05,250 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.92 ms. Allocated memory is still 328.2 MB. Free memory was 280.6 MB in the beginning and 278.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 18:40:05,250 INFO L168 Benchmark]: Boogie Preprocessor took 54.53 ms. Allocated memory is still 328.2 MB. Free memory was 278.0 MB in the beginning and 275.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 18:40:05,251 INFO L168 Benchmark]: RCFGBuilder took 1849.89 ms. Allocated memory was 328.2 MB in the beginning and 360.2 MB in the end (delta: 32.0 MB). Free memory was 275.5 MB in the beginning and 245.9 MB in the end (delta: 29.6 MB). Peak memory consumption was 101.2 MB. Max. memory is 14.2 GB. [2020-10-15 18:40:05,252 INFO L168 Benchmark]: TraceAbstraction took 6763.94 ms. Allocated memory was 360.2 MB in the beginning and 466.1 MB in the end (delta: 105.9 MB). Free memory was 245.9 MB in the beginning and 256.0 MB in the end (delta: -10.1 MB). Peak memory consumption was 95.8 MB. Max. memory is 14.2 GB. [2020-10-15 18:40:05,260 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 254.3 MB. Free memory is still 230.7 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 762.02 ms. Allocated memory was 254.3 MB in the beginning and 328.2 MB in the end (delta: 73.9 MB). Free memory was 209.6 MB in the beginning and 280.6 MB in the end (delta: -70.9 MB). Peak memory consumption was 36.0 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 74.92 ms. Allocated memory is still 328.2 MB. Free memory was 280.6 MB in the beginning and 278.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 54.53 ms. Allocated memory is still 328.2 MB. Free memory was 278.0 MB in the beginning and 275.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 1849.89 ms. Allocated memory was 328.2 MB in the beginning and 360.2 MB in the end (delta: 32.0 MB). Free memory was 275.5 MB in the beginning and 245.9 MB in the end (delta: 29.6 MB). Peak memory consumption was 101.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 6763.94 ms. Allocated memory was 360.2 MB in the beginning and 466.1 MB in the end (delta: 105.9 MB). Free memory was 245.9 MB in the beginning and 256.0 MB in the end (delta: -10.1 MB). Peak memory consumption was 95.8 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 892 VarBasedMoverChecksPositive, 39 VarBasedMoverChecksNegative, 11 SemBasedMoverChecksPositive, 28 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.9s, 117 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.4s, 99 PlacesBefore, 35 PlacesAfterwards, 91 TransitionsBefore, 26 TransitionsAfterwards, 1448 CoEnabledTransitionPairs, 6 FixpointIterations, 32 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 74 TotalNumberOfCompositions, 3089 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L698] 0 int __unbuffered_cnt = 0; [L700] 0 int __unbuffered_p0_EAX = 0; [L702] 0 int __unbuffered_p1_EAX = 0; [L703] 0 _Bool main$tmp_guard0; [L704] 0 _Bool main$tmp_guard1; [L706] 0 int x = 0; [L708] 0 int y = 0; [L709] 0 _Bool y$flush_delayed; [L710] 0 int y$mem_tmp; [L711] 0 _Bool y$r_buff0_thd0; [L712] 0 _Bool y$r_buff0_thd1; [L713] 0 _Bool y$r_buff0_thd2; [L714] 0 _Bool y$r_buff0_thd3; [L715] 0 _Bool y$r_buff1_thd0; [L716] 0 _Bool y$r_buff1_thd1; [L717] 0 _Bool y$r_buff1_thd2; [L718] 0 _Bool y$r_buff1_thd3; [L719] 0 _Bool y$read_delayed; [L720] 0 int *y$read_delayed_var; [L721] 0 int y$w_buff0; [L722] 0 _Bool y$w_buff0_used; [L723] 0 int y$w_buff1; [L724] 0 _Bool y$w_buff1_used; [L726] 0 int z = 0; [L727] 0 _Bool weak$$choice0; [L728] 0 _Bool weak$$choice2; [L816] 0 pthread_t t2580; [L817] FCALL, FORK 0 pthread_create(&t2580, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, 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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=0] [L818] 0 pthread_t t2581; [L819] FCALL, FORK 0 pthread_create(&t2581, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, 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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=0] [L820] 0 pthread_t t2582; [L821] FCALL, FORK 0 pthread_create(&t2582, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, 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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=0] [L779] 3 y$w_buff1 = y$w_buff0 [L780] 3 y$w_buff0 = 1 [L781] 3 y$w_buff1_used = y$w_buff0_used [L782] 3 y$w_buff0_used = (_Bool)1 [L7] COND TRUE 3 !expression [L7] 3 __VERIFIER_error() [L784] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L785] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L786] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L787] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L788] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, 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_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=0] [L791] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, 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_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=1] [L732] 1 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=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_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=2] [L737] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=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_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=2] [L749] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=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_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=2] [L754] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L755] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L756] 2 y$flush_delayed = weak$$choice2 [L757] 2 y$mem_tmp = y [L758] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L758] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1 [L758] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L758] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L759] EXPR 2 weak$$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$w_buff0)) [L759] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L760] EXPR 2 weak$$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$w_buff1)) [L760] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L760] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L760] 2 y$w_buff1 = weak$$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)) [L761] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L761] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L761] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L761] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L761] EXPR 2 weak$$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)) [L761] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L762] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L762] EXPR 2 !y$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) [L762] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L762] 2 y$w_buff1_used = weak$$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)) [L763] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L763] 2 y$r_buff0_thd2 = weak$$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)) [L764] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L764] 2 y$r_buff1_thd2 = weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L765] 2 __unbuffered_p1_EAX = y [L766] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L766] 2 y = y$flush_delayed ? y$mem_tmp : y [L767] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=1, y=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_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=2] [L772] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L774] 2 return 0; [L794] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L794] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L795] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L795] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L796] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L796] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L797] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L797] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L798] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L798] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L801] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L803] 3 return 0; [L742] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L744] 1 return 0; [L823] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L827] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L827] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L827] 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) [L827] 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) [L828] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L828] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L829] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L829] 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 [L830] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L830] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L831] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L831] 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 [L834] 0 main$tmp_guard1 = !(z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=1, y=1, 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_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=2] [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=255, x=1, y=1, 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_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 90 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.5s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 205 SDtfs, 208 SDslu, 513 SDs, 0 SdLazy, 404 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=618occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 19 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 9394 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...