/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix043_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 22:59:42,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 22:59:42,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 22:59:42,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 22:59:42,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 22:59:42,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 22:59:42,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 22:59:42,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 22:59:42,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 22:59:42,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 22:59:42,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 22:59:42,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 22:59:42,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 22:59:42,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 22:59:42,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 22:59:42,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 22:59:42,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 22:59:42,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 22:59:42,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 22:59:42,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 22:59:42,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 22:59:42,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 22:59:42,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 22:59:42,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 22:59:42,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 22:59:42,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 22:59:42,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 22:59:42,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 22:59:42,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 22:59:42,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 22:59:42,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 22:59:42,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 22:59:42,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 22:59:42,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 22:59:42,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 22:59:42,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 22:59:42,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 22:59:42,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 22:59:42,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 22:59:42,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 22:59:42,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 22:59:42,477 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-21 22:59:42,524 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 22:59:42,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 22:59:42,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 22:59:42,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 22:59:42,529 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 22:59:42,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 22:59:42,529 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 22:59:42,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 22:59:42,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 22:59:42,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 22:59:42,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 22:59:42,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 22:59:42,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 22:59:42,532 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 22:59:42,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 22:59:42,533 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 22:59:42,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 22:59:42,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 22:59:42,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 22:59:42,534 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 22:59:42,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 22:59:42,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 22:59:42,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 22:59:42,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 22:59:42,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 22:59:42,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 22:59:42,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 22:59:42,537 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 22:59:42,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 22:59:42,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 22:59:42,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 22:59:42,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 22:59:42,842 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 22:59:42,844 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 22:59:42,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix043_rmo.opt.i [2020-10-21 22:59:42,905 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dd9bf8ce/e9eced3d192b415a94515236fe4c83df/FLAG05560556f [2020-10-21 22:59:43,454 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 22:59:43,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix043_rmo.opt.i [2020-10-21 22:59:43,488 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dd9bf8ce/e9eced3d192b415a94515236fe4c83df/FLAG05560556f [2020-10-21 22:59:43,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dd9bf8ce/e9eced3d192b415a94515236fe4c83df [2020-10-21 22:59:43,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 22:59:43,786 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 22:59:43,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 22:59:43,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 22:59:43,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 22:59:43,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:59:43" (1/1) ... [2020-10-21 22:59:43,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98a64a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:59:43, skipping insertion in model container [2020-10-21 22:59:43,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:59:43" (1/1) ... [2020-10-21 22:59:43,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 22:59:43,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 22:59:44,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:59:44,360 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 22:59:44,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:59:44,547 INFO L208 MainTranslator]: Completed translation [2020-10-21 22:59:44,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:59:44 WrapperNode [2020-10-21 22:59:44,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 22:59:44,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 22:59:44,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 22:59:44,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 22:59:44,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:59:44" (1/1) ... [2020-10-21 22:59:44,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:59:44" (1/1) ... [2020-10-21 22:59:44,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 22:59:44,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 22:59:44,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 22:59:44,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 22:59:44,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:59:44" (1/1) ... [2020-10-21 22:59:44,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:59:44" (1/1) ... [2020-10-21 22:59:44,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:59:44" (1/1) ... [2020-10-21 22:59:44,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:59:44" (1/1) ... [2020-10-21 22:59:44,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:59:44" (1/1) ... [2020-10-21 22:59:44,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:59:44" (1/1) ... [2020-10-21 22:59:44,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:59:44" (1/1) ... [2020-10-21 22:59:44,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 22:59:44,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 22:59:44,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 22:59:44,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 22:59:44,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:59:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 22:59:44,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 22:59:44,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 22:59:44,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 22:59:44,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 22:59:44,737 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 22:59:44,737 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 22:59:44,737 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 22:59:44,737 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 22:59:44,738 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-21 22:59:44,738 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-21 22:59:44,738 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-21 22:59:44,738 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-21 22:59:44,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 22:59:44,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 22:59:44,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 22:59:44,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 22:59:44,741 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 22:59:46,794 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 22:59:46,794 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-21 22:59:46,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:59:46 BoogieIcfgContainer [2020-10-21 22:59:46,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 22:59:46,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 22:59:46,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 22:59:46,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 22:59:46,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 10:59:43" (1/3) ... [2020-10-21 22:59:46,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@323ccdc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:59:46, skipping insertion in model container [2020-10-21 22:59:46,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:59:44" (2/3) ... [2020-10-21 22:59:46,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@323ccdc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:59:46, skipping insertion in model container [2020-10-21 22:59:46,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:59:46" (3/3) ... [2020-10-21 22:59:46,806 INFO L111 eAbstractionObserver]: Analyzing ICFG mix043_rmo.opt.i [2020-10-21 22:59:46,819 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 22:59:46,820 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 22:59:46,828 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-21 22:59:46,829 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 22:59:46,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,865 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,865 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,867 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,867 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,867 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,867 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,867 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,868 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,869 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,869 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,873 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,873 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,873 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,874 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,881 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,882 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,882 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,882 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,883 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,883 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,883 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,883 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,883 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,884 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,891 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,892 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,893 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,893 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,893 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,893 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,893 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,894 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,894 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,896 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,896 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,896 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,896 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,898 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,899 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,899 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:59:46,900 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 22:59:46,917 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-21 22:59:46,942 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 22:59:46,943 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 22:59:46,943 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 22:59:46,943 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 22:59:46,943 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 22:59:46,943 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 22:59:46,943 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 22:59:46,944 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 22:59:46,960 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 22:59:46,961 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 122 transitions, 264 flow [2020-10-21 22:59:46,963 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 122 transitions, 264 flow [2020-10-21 22:59:46,966 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 132 places, 122 transitions, 264 flow [2020-10-21 22:59:47,028 INFO L129 PetriNetUnfolder]: 3/118 cut-off events. [2020-10-21 22:59:47,029 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 22:59:47,035 INFO L80 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 118 events. 3/118 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 90 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 80. Up to 2 conditions per place. [2020-10-21 22:59:47,040 INFO L116 LiptonReduction]: Number of co-enabled transitions 2830 [2020-10-21 22:59:48,644 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2020-10-21 22:59:48,706 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 2, 1] term [2020-10-21 22:59:48,707 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:59:48,708 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 5, 1] term [2020-10-21 22:59:48,709 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-21 22:59:49,909 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 147 DAG size of output: 127 [2020-10-21 22:59:50,195 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2020-10-21 22:59:51,061 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-10-21 22:59:51,211 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-21 22:59:51,917 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-21 22:59:52,295 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-21 22:59:53,661 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 111 [2020-10-21 22:59:54,030 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-21 22:59:54,464 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-10-21 22:59:56,218 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 144 DAG size of output: 135 [2020-10-21 22:59:56,718 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-21 22:59:57,234 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-10-21 22:59:57,467 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-21 22:59:57,873 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-21 22:59:58,231 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-21 22:59:58,239 INFO L131 LiptonReduction]: Checked pairs total: 6370 [2020-10-21 22:59:58,239 INFO L133 LiptonReduction]: Total number of compositions: 103 [2020-10-21 22:59:58,247 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 32 transitions, 84 flow [2020-10-21 22:59:58,438 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3002 states. [2020-10-21 22:59:58,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3002 states. [2020-10-21 22:59:58,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-21 22:59:58,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:59:58,450 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:59:58,451 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:59:58,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:59:58,457 INFO L82 PathProgramCache]: Analyzing trace with hash 2090102638, now seen corresponding path program 1 times [2020-10-21 22:59:58,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:59:58,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288544990] [2020-10-21 22:59:58,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:59:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:59:58,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:59:58,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288544990] [2020-10-21 22:59:58,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:59:58,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:59:58,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290688323] [2020-10-21 22:59:58,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:59:58,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:59:58,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:59:58,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:59:58,772 INFO L87 Difference]: Start difference. First operand 3002 states. Second operand 3 states. [2020-10-21 22:59:58,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:59:58,898 INFO L93 Difference]: Finished difference Result 2602 states and 10064 transitions. [2020-10-21 22:59:58,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:59:58,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-21 22:59:58,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:59:58,940 INFO L225 Difference]: With dead ends: 2602 [2020-10-21 22:59:58,941 INFO L226 Difference]: Without dead ends: 2122 [2020-10-21 22:59:58,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:59:58,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2122 states. [2020-10-21 22:59:59,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2122 to 2122. [2020-10-21 22:59:59,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2122 states. [2020-10-21 22:59:59,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 2122 states and 8080 transitions. [2020-10-21 22:59:59,159 INFO L78 Accepts]: Start accepts. Automaton has 2122 states and 8080 transitions. Word has length 9 [2020-10-21 22:59:59,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:59:59,160 INFO L481 AbstractCegarLoop]: Abstraction has 2122 states and 8080 transitions. [2020-10-21 22:59:59,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:59:59,160 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 8080 transitions. [2020-10-21 22:59:59,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 22:59:59,166 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:59:59,166 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:59:59,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 22:59:59,167 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:59:59,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:59:59,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1455991290, now seen corresponding path program 1 times [2020-10-21 22:59:59,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:59:59,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754781248] [2020-10-21 22:59:59,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:59:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:59:59,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:59:59,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754781248] [2020-10-21 22:59:59,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:59:59,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:59:59,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697484661] [2020-10-21 22:59:59,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:59:59,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:59:59,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:59:59,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:59:59,314 INFO L87 Difference]: Start difference. First operand 2122 states and 8080 transitions. Second operand 3 states. [2020-10-21 22:59:59,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:59:59,343 INFO L93 Difference]: Finished difference Result 1962 states and 7392 transitions. [2020-10-21 22:59:59,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:59:59,344 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-21 22:59:59,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:59:59,361 INFO L225 Difference]: With dead ends: 1962 [2020-10-21 22:59:59,361 INFO L226 Difference]: Without dead ends: 1962 [2020-10-21 22:59:59,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:59:59,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-21 22:59:59,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1962. [2020-10-21 22:59:59,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-10-21 22:59:59,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 7392 transitions. [2020-10-21 22:59:59,434 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 7392 transitions. Word has length 11 [2020-10-21 22:59:59,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:59:59,434 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 7392 transitions. [2020-10-21 22:59:59,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:59:59,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 7392 transitions. [2020-10-21 22:59:59,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 22:59:59,438 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:59:59,438 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:59:59,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 22:59:59,439 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:59:59,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:59:59,439 INFO L82 PathProgramCache]: Analyzing trace with hash 951680485, now seen corresponding path program 1 times [2020-10-21 22:59:59,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:59:59,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988844765] [2020-10-21 22:59:59,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:59:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:59:59,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:59:59,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988844765] [2020-10-21 22:59:59,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:59:59,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:59:59,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384850977] [2020-10-21 22:59:59,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 22:59:59,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:59:59,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 22:59:59,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:59:59,620 INFO L87 Difference]: Start difference. First operand 1962 states and 7392 transitions. Second operand 5 states. [2020-10-21 22:59:59,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:59:59,710 INFO L93 Difference]: Finished difference Result 1898 states and 7104 transitions. [2020-10-21 22:59:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 22:59:59,711 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-21 22:59:59,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:59:59,728 INFO L225 Difference]: With dead ends: 1898 [2020-10-21 22:59:59,728 INFO L226 Difference]: Without dead ends: 1898 [2020-10-21 22:59:59,728 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:59:59,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1898 states. [2020-10-21 22:59:59,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1898 to 1898. [2020-10-21 22:59:59,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1898 states. [2020-10-21 22:59:59,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1898 states and 7104 transitions. [2020-10-21 22:59:59,794 INFO L78 Accepts]: Start accepts. Automaton has 1898 states and 7104 transitions. Word has length 13 [2020-10-21 22:59:59,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:59:59,795 INFO L481 AbstractCegarLoop]: Abstraction has 1898 states and 7104 transitions. [2020-10-21 22:59:59,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 22:59:59,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 7104 transitions. [2020-10-21 22:59:59,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 22:59:59,799 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:59:59,799 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:59:59,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 22:59:59,799 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:59:59,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:59:59,800 INFO L82 PathProgramCache]: Analyzing trace with hash 343190440, now seen corresponding path program 1 times [2020-10-21 22:59:59,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:59:59,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712243826] [2020-10-21 22:59:59,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:59:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:59:59,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:59:59,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712243826] [2020-10-21 22:59:59,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:59:59,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 22:59:59,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755216837] [2020-10-21 22:59:59,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 22:59:59,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:59:59,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 22:59:59,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:59:59,938 INFO L87 Difference]: Start difference. First operand 1898 states and 7104 transitions. Second operand 6 states. [2020-10-21 23:00:00,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:00,167 INFO L93 Difference]: Finished difference Result 2154 states and 8016 transitions. [2020-10-21 23:00:00,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:00:00,168 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-21 23:00:00,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:00,188 INFO L225 Difference]: With dead ends: 2154 [2020-10-21 23:00:00,189 INFO L226 Difference]: Without dead ends: 2154 [2020-10-21 23:00:00,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:00:00,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2020-10-21 23:00:00,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 2154. [2020-10-21 23:00:00,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2154 states. [2020-10-21 23:00:00,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 2154 states and 8016 transitions. [2020-10-21 23:00:00,288 INFO L78 Accepts]: Start accepts. Automaton has 2154 states and 8016 transitions. Word has length 15 [2020-10-21 23:00:00,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:00,289 INFO L481 AbstractCegarLoop]: Abstraction has 2154 states and 8016 transitions. [2020-10-21 23:00:00,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 23:00:00,289 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 8016 transitions. [2020-10-21 23:00:00,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 23:00:00,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:00,293 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:00,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 23:00:00,294 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:00,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:00,294 INFO L82 PathProgramCache]: Analyzing trace with hash -263159932, now seen corresponding path program 1 times [2020-10-21 23:00:00,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:00,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132016791] [2020-10-21 23:00:00,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:00,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:00,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132016791] [2020-10-21 23:00:00,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:00,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:00:00,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545895642] [2020-10-21 23:00:00,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:00:00,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:00,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:00:00,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:00:00,473 INFO L87 Difference]: Start difference. First operand 2154 states and 8016 transitions. Second operand 4 states. [2020-10-21 23:00:00,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:00,554 INFO L93 Difference]: Finished difference Result 2262 states and 7675 transitions. [2020-10-21 23:00:00,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:00:00,555 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-21 23:00:00,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:00,572 INFO L225 Difference]: With dead ends: 2262 [2020-10-21 23:00:00,572 INFO L226 Difference]: Without dead ends: 1686 [2020-10-21 23:00:00,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:00:00,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2020-10-21 23:00:00,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1686. [2020-10-21 23:00:00,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1686 states. [2020-10-21 23:00:00,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1686 states and 5676 transitions. [2020-10-21 23:00:00,712 INFO L78 Accepts]: Start accepts. Automaton has 1686 states and 5676 transitions. Word has length 15 [2020-10-21 23:00:00,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:00,713 INFO L481 AbstractCegarLoop]: Abstraction has 1686 states and 5676 transitions. [2020-10-21 23:00:00,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:00:00,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1686 states and 5676 transitions. [2020-10-21 23:00:00,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-21 23:00:00,716 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:00,716 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:00,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 23:00:00,717 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:00,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:00,717 INFO L82 PathProgramCache]: Analyzing trace with hash 454346801, now seen corresponding path program 1 times [2020-10-21 23:00:00,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:00,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890648220] [2020-10-21 23:00:00,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:00,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:00,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890648220] [2020-10-21 23:00:00,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:00,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 23:00:00,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035413896] [2020-10-21 23:00:00,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 23:00:00,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:00,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 23:00:00,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:00:00,838 INFO L87 Difference]: Start difference. First operand 1686 states and 5676 transitions. Second operand 5 states. [2020-10-21 23:00:00,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:00,919 INFO L93 Difference]: Finished difference Result 1464 states and 4522 transitions. [2020-10-21 23:00:00,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 23:00:00,920 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-21 23:00:00,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:00,929 INFO L225 Difference]: With dead ends: 1464 [2020-10-21 23:00:00,929 INFO L226 Difference]: Without dead ends: 1095 [2020-10-21 23:00:00,930 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:00:00,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2020-10-21 23:00:00,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 1095. [2020-10-21 23:00:00,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1095 states. [2020-10-21 23:00:00,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 3312 transitions. [2020-10-21 23:00:00,965 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 3312 transitions. Word has length 16 [2020-10-21 23:00:00,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:00,965 INFO L481 AbstractCegarLoop]: Abstraction has 1095 states and 3312 transitions. [2020-10-21 23:00:00,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 23:00:00,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 3312 transitions. [2020-10-21 23:00:00,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-21 23:00:00,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:00,969 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:00,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 23:00:00,970 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:00,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:00,972 INFO L82 PathProgramCache]: Analyzing trace with hash 2006986927, now seen corresponding path program 1 times [2020-10-21 23:00:00,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:00,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009418566] [2020-10-21 23:00:00,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:01,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:01,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009418566] [2020-10-21 23:00:01,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:01,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 23:00:01,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173363441] [2020-10-21 23:00:01,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 23:00:01,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:01,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 23:00:01,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:00:01,097 INFO L87 Difference]: Start difference. First operand 1095 states and 3312 transitions. Second operand 6 states. [2020-10-21 23:00:01,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:01,222 INFO L93 Difference]: Finished difference Result 1686 states and 5036 transitions. [2020-10-21 23:00:01,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 23:00:01,223 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-21 23:00:01,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:01,230 INFO L225 Difference]: With dead ends: 1686 [2020-10-21 23:00:01,230 INFO L226 Difference]: Without dead ends: 1038 [2020-10-21 23:00:01,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:00:01,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2020-10-21 23:00:01,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 933. [2020-10-21 23:00:01,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 933 states. [2020-10-21 23:00:01,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 2678 transitions. [2020-10-21 23:00:01,258 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 2678 transitions. Word has length 19 [2020-10-21 23:00:01,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:01,258 INFO L481 AbstractCegarLoop]: Abstraction has 933 states and 2678 transitions. [2020-10-21 23:00:01,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 23:00:01,259 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 2678 transitions. [2020-10-21 23:00:01,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-21 23:00:01,261 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:01,261 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:01,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 23:00:01,261 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:01,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:01,262 INFO L82 PathProgramCache]: Analyzing trace with hash 262437935, now seen corresponding path program 1 times [2020-10-21 23:00:01,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:01,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743444692] [2020-10-21 23:00:01,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:01,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:01,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743444692] [2020-10-21 23:00:01,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:01,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 23:00:01,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117444759] [2020-10-21 23:00:01,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 23:00:01,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:01,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 23:00:01,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:00:01,391 INFO L87 Difference]: Start difference. First operand 933 states and 2678 transitions. Second operand 6 states. [2020-10-21 23:00:01,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:01,465 INFO L93 Difference]: Finished difference Result 806 states and 2276 transitions. [2020-10-21 23:00:01,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 23:00:01,466 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-21 23:00:01,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:01,471 INFO L225 Difference]: With dead ends: 806 [2020-10-21 23:00:01,471 INFO L226 Difference]: Without dead ends: 704 [2020-10-21 23:00:01,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:00:01,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2020-10-21 23:00:01,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 704. [2020-10-21 23:00:01,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 704 states. [2020-10-21 23:00:01,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 2017 transitions. [2020-10-21 23:00:01,490 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 2017 transitions. Word has length 19 [2020-10-21 23:00:01,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:01,491 INFO L481 AbstractCegarLoop]: Abstraction has 704 states and 2017 transitions. [2020-10-21 23:00:01,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 23:00:01,491 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 2017 transitions. [2020-10-21 23:00:01,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-21 23:00:01,493 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:01,494 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, 1, 1] [2020-10-21 23:00:01,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 23:00:01,494 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:01,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:01,494 INFO L82 PathProgramCache]: Analyzing trace with hash 87479135, now seen corresponding path program 1 times [2020-10-21 23:00:01,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:01,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946995249] [2020-10-21 23:00:01,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:01,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:01,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946995249] [2020-10-21 23:00:01,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:01,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:00:01,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688387897] [2020-10-21 23:00:01,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:00:01,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:01,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:00:01,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:00:01,550 INFO L87 Difference]: Start difference. First operand 704 states and 2017 transitions. Second operand 4 states. [2020-10-21 23:00:01,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:01,574 INFO L93 Difference]: Finished difference Result 960 states and 2662 transitions. [2020-10-21 23:00:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 23:00:01,575 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-10-21 23:00:01,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:01,580 INFO L225 Difference]: With dead ends: 960 [2020-10-21 23:00:01,580 INFO L226 Difference]: Without dead ends: 643 [2020-10-21 23:00:01,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:00:01,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2020-10-21 23:00:01,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 617. [2020-10-21 23:00:01,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2020-10-21 23:00:01,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 1627 transitions. [2020-10-21 23:00:01,596 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 1627 transitions. Word has length 22 [2020-10-21 23:00:01,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:01,596 INFO L481 AbstractCegarLoop]: Abstraction has 617 states and 1627 transitions. [2020-10-21 23:00:01,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:00:01,597 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 1627 transitions. [2020-10-21 23:00:01,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-21 23:00:01,599 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:01,599 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:01,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 23:00:01,599 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:01,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:01,600 INFO L82 PathProgramCache]: Analyzing trace with hash 123586923, now seen corresponding path program 2 times [2020-10-21 23:00:01,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:01,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405232778] [2020-10-21 23:00:01,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:01,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:01,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405232778] [2020-10-21 23:00:01,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:01,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-21 23:00:01,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509291526] [2020-10-21 23:00:01,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 23:00:01,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:01,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 23:00:01,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:00:01,696 INFO L87 Difference]: Start difference. First operand 617 states and 1627 transitions. Second operand 7 states. [2020-10-21 23:00:01,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:01,782 INFO L93 Difference]: Finished difference Result 590 states and 1573 transitions. [2020-10-21 23:00:01,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-21 23:00:01,783 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-10-21 23:00:01,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:01,785 INFO L225 Difference]: With dead ends: 590 [2020-10-21 23:00:01,786 INFO L226 Difference]: Without dead ends: 208 [2020-10-21 23:00:01,786 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:00:01,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-10-21 23:00:01,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 184. [2020-10-21 23:00:01,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-10-21 23:00:01,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 454 transitions. [2020-10-21 23:00:01,791 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 454 transitions. Word has length 22 [2020-10-21 23:00:01,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:01,792 INFO L481 AbstractCegarLoop]: Abstraction has 184 states and 454 transitions. [2020-10-21 23:00:01,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 23:00:01,792 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 454 transitions. [2020-10-21 23:00:01,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-21 23:00:01,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:01,793 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:01,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 23:00:01,794 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:01,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:01,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1913086796, now seen corresponding path program 1 times [2020-10-21 23:00:01,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:01,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186922653] [2020-10-21 23:00:01,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:01,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:01,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186922653] [2020-10-21 23:00:01,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:01,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:00:01,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564927342] [2020-10-21 23:00:01,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:00:01,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:01,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:00:01,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:00:01,856 INFO L87 Difference]: Start difference. First operand 184 states and 454 transitions. Second operand 4 states. [2020-10-21 23:00:01,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:01,876 INFO L93 Difference]: Finished difference Result 234 states and 572 transitions. [2020-10-21 23:00:01,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 23:00:01,877 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-10-21 23:00:01,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:01,878 INFO L225 Difference]: With dead ends: 234 [2020-10-21 23:00:01,878 INFO L226 Difference]: Without dead ends: 92 [2020-10-21 23:00:01,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:00:01,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-10-21 23:00:01,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2020-10-21 23:00:01,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-21 23:00:01,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 198 transitions. [2020-10-21 23:00:01,882 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 198 transitions. Word has length 26 [2020-10-21 23:00:01,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:01,882 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 198 transitions. [2020-10-21 23:00:01,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:00:01,883 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 198 transitions. [2020-10-21 23:00:01,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-21 23:00:01,883 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:01,884 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:01,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-21 23:00:01,884 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:01,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:01,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1384911540, now seen corresponding path program 2 times [2020-10-21 23:00:01,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:01,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351855243] [2020-10-21 23:00:01,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:02,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:02,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351855243] [2020-10-21 23:00:02,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:02,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 23:00:02,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354420018] [2020-10-21 23:00:02,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 23:00:02,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:02,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 23:00:02,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:00:02,009 INFO L87 Difference]: Start difference. First operand 92 states and 198 transitions. Second operand 6 states. [2020-10-21 23:00:02,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:02,118 INFO L93 Difference]: Finished difference Result 118 states and 252 transitions. [2020-10-21 23:00:02,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 23:00:02,119 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-10-21 23:00:02,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:02,119 INFO L225 Difference]: With dead ends: 118 [2020-10-21 23:00:02,120 INFO L226 Difference]: Without dead ends: 64 [2020-10-21 23:00:02,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:00:02,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-21 23:00:02,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-10-21 23:00:02,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-21 23:00:02,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 122 transitions. [2020-10-21 23:00:02,122 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 122 transitions. Word has length 26 [2020-10-21 23:00:02,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:02,123 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 122 transitions. [2020-10-21 23:00:02,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 23:00:02,123 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 122 transitions. [2020-10-21 23:00:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-21 23:00:02,124 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:02,124 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:02,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-21 23:00:02,124 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:02,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:02,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1866539124, now seen corresponding path program 3 times [2020-10-21 23:00:02,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:02,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052418497] [2020-10-21 23:00:02,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:00:02,170 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:00:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:00:02,212 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:00:02,256 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 23:00:02,256 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 23:00:02,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-21 23:00:02,258 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-21 23:00:02,277 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1017] [1017] L2-->L866: Formula: (let ((.cse7 (= (mod ~z$w_buff0_used~0_In732142433 256) 0)) (.cse6 (= (mod ~z$r_buff0_thd0~0_In732142433 256) 0)) (.cse8 (= (mod ~z$r_buff1_thd0~0_In732142433 256) 0)) (.cse9 (= (mod ~z$w_buff1_used~0_In732142433 256) 0))) (let ((.cse1 (not .cse9)) (.cse2 (not .cse8)) (.cse0 (or .cse8 .cse9)) (.cse4 (not .cse6)) (.cse5 (not .cse7)) (.cse3 (or .cse6 .cse7))) (and (= ~z$r_buff0_thd0~0_Out732142433 ~z$r_buff0_thd0~0_In732142433) (or (and .cse0 (= ~z$w_buff1_used~0_Out732142433 ~z$w_buff1_used~0_In732142433)) (and .cse1 (= ~z$w_buff1_used~0_Out732142433 0) .cse2)) (= ~z$r_buff1_thd0~0_Out732142433 ~z$r_buff1_thd0~0_In732142433) (or (and (or (and .cse1 .cse2 (= ~z~0_Out732142433 ~z$w_buff1~0_In732142433)) (and (= ~z~0_Out732142433 ~z~0_In732142433) .cse0)) .cse3) (and .cse4 .cse5 (= ~z~0_Out732142433 ~z$w_buff0~0_In732142433))) (or (and .cse4 .cse5 (= ~z$w_buff0_used~0_Out732142433 0)) (and (= ~z$w_buff0_used~0_Out732142433 ~z$w_buff0_used~0_In732142433) .cse3)) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out732142433 0)) (= ULTIMATE.start_assume_abort_if_not_~cond_Out732142433 |ULTIMATE.start_assume_abort_if_not_#in~cond_In732142433|)))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In732142433|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In732142433, ~z$w_buff0_used~0=~z$w_buff0_used~0_In732142433, ~z$w_buff0~0=~z$w_buff0~0_In732142433, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In732142433, ~z$w_buff1_used~0=~z$w_buff1_used~0_In732142433, ~z$w_buff1~0=~z$w_buff1~0_In732142433, ~z~0=~z~0_In732142433} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_Out732142433, ~z$w_buff0~0=~z$w_buff0~0_In732142433, ~z$w_buff1_used~0=~z$w_buff1_used~0_Out732142433, ULTIMATE.start_main_#t~ite24=|ULTIMATE.start_main_#t~ite24_Out732142433|, ULTIMATE.start_main_#t~ite25=|ULTIMATE.start_main_#t~ite25_Out732142433|, ~z$w_buff1~0=~z$w_buff1~0_In732142433, ULTIMATE.start_main_#t~ite26=|ULTIMATE.start_main_#t~ite26_Out732142433|, ULTIMATE.start_main_#t~ite21=|ULTIMATE.start_main_#t~ite21_Out732142433|, ULTIMATE.start_main_#t~ite22=|ULTIMATE.start_main_#t~ite22_Out732142433|, ULTIMATE.start_main_#t~ite23=|ULTIMATE.start_main_#t~ite23_Out732142433|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In732142433|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_Out732142433, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out732142433, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_Out732142433, ~z~0=~z~0_Out732142433} AuxVars[] AssignedVars[~z$r_buff0_thd0~0, ULTIMATE.start_assume_abort_if_not_~cond, ~z$w_buff0_used~0, ~z$r_buff1_thd0~0, ~z$w_buff1_used~0, ULTIMATE.start_main_#t~ite24, ULTIMATE.start_main_#t~ite25, ULTIMATE.start_main_#t~ite26, ~z~0, ULTIMATE.start_main_#t~ite21, ULTIMATE.start_main_#t~ite22, ULTIMATE.start_main_#t~ite23] because there is no mapped edge [2020-10-21 23:00:02,286 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,286 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:02,287 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,287 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [803] [2020-10-21 23:00:02,289 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,289 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:02,289 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,290 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:02,290 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,290 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:02,290 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,290 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:02,291 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,291 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:02,291 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,291 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:02,292 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,292 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:02,292 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,292 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:02,293 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,293 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:02,293 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,293 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:02,293 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,294 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:02,294 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,294 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:02,295 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,295 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:02,295 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,295 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:02,296 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,296 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:02,296 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,296 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:02,296 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,296 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:02,297 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,297 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:02,297 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,297 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:02,297 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,298 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:02,298 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:02,298 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:02,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 11:00:02 BasicIcfg [2020-10-21 23:00:02,377 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 23:00:02,379 INFO L168 Benchmark]: Toolchain (without parser) took 18598.00 ms. Allocated memory was 140.0 MB in the beginning and 408.4 MB in the end (delta: 268.4 MB). Free memory was 101.5 MB in the beginning and 70.7 MB in the end (delta: 30.9 MB). Peak memory consumption was 299.3 MB. Max. memory is 7.1 GB. [2020-10-21 23:00:02,380 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-21 23:00:02,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.54 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 100.5 MB in the beginning and 155.1 MB in the end (delta: -54.6 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2020-10-21 23:00:02,383 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.44 ms. Allocated memory is still 202.9 MB. Free memory was 155.1 MB in the beginning and 151.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-10-21 23:00:02,384 INFO L168 Benchmark]: Boogie Preprocessor took 42.48 ms. Allocated memory is still 202.9 MB. Free memory was 151.6 MB in the beginning and 149.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-21 23:00:02,385 INFO L168 Benchmark]: RCFGBuilder took 2131.42 ms. Allocated memory was 202.9 MB in the beginning and 249.0 MB in the end (delta: 46.1 MB). Free memory was 149.0 MB in the beginning and 180.6 MB in the end (delta: -31.7 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB. [2020-10-21 23:00:02,388 INFO L168 Benchmark]: TraceAbstraction took 15578.55 ms. Allocated memory was 249.0 MB in the beginning and 408.4 MB in the end (delta: 159.4 MB). Free memory was 178.8 MB in the beginning and 70.7 MB in the end (delta: 108.1 MB). Peak memory consumption was 267.5 MB. Max. memory is 7.1 GB. [2020-10-21 23:00:02,394 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 760.54 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 100.5 MB in the beginning and 155.1 MB in the end (delta: -54.6 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 74.44 ms. Allocated memory is still 202.9 MB. Free memory was 155.1 MB in the beginning and 151.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.48 ms. Allocated memory is still 202.9 MB. Free memory was 151.6 MB in the beginning and 149.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2131.42 ms. Allocated memory was 202.9 MB in the beginning and 249.0 MB in the end (delta: 46.1 MB). Free memory was 149.0 MB in the beginning and 180.6 MB in the end (delta: -31.7 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15578.55 ms. Allocated memory was 249.0 MB in the beginning and 408.4 MB in the end (delta: 159.4 MB). Free memory was 178.8 MB in the beginning and 70.7 MB in the end (delta: 108.1 MB). Peak memory consumption was 267.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1446 VarBasedMoverChecksPositive, 43 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 131 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 11.2s, 132 PlacesBefore, 45 PlacesAfterwards, 122 TransitionsBefore, 32 TransitionsAfterwards, 2830 CoEnabledTransitionPairs, 6 FixpointIterations, 42 TrivialSequentialCompositions, 51 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 3 ChoiceCompositions, 103 TotalNumberOfCompositions, 6370 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L722] 0 int b = 0; [L723] 0 _Bool main$tmp_guard0; [L724] 0 _Bool main$tmp_guard1; [L726] 0 int x = 0; [L728] 0 int y = 0; [L730] 0 int z = 0; [L731] 0 _Bool z$flush_delayed; [L732] 0 int z$mem_tmp; [L733] 0 _Bool z$r_buff0_thd0; [L734] 0 _Bool z$r_buff0_thd1; [L735] 0 _Bool z$r_buff0_thd2; [L736] 0 _Bool z$r_buff0_thd3; [L737] 0 _Bool z$r_buff0_thd4; [L738] 0 _Bool z$r_buff1_thd0; [L739] 0 _Bool z$r_buff1_thd1; [L740] 0 _Bool z$r_buff1_thd2; [L741] 0 _Bool z$r_buff1_thd3; [L742] 0 _Bool z$r_buff1_thd4; [L743] 0 _Bool z$read_delayed; [L744] 0 int *z$read_delayed_var; [L745] 0 int z$w_buff0; [L746] 0 _Bool z$w_buff0_used; [L747] 0 int z$w_buff1; [L748] 0 _Bool z$w_buff1_used; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L848] 0 pthread_t t1149; [L849] FCALL, FORK 0 pthread_create(&t1149, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L850] 0 pthread_t t1150; [L851] FCALL, FORK 0 pthread_create(&t1150, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L852] 0 pthread_t t1151; [L853] FCALL, FORK 0 pthread_create(&t1151, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L854] 0 pthread_t t1152; [L855] FCALL, FORK 0 pthread_create(&t1152, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L804] 4 z$w_buff1 = z$w_buff0 [L805] 4 z$w_buff0 = 2 [L806] 4 z$w_buff1_used = z$w_buff0_used [L807] 4 z$w_buff0_used = (_Bool)1 [L18] COND TRUE 4 !expression [L17] COND FALSE 4 !(0) [L17] 4 __assert_fail ("0", "mix043_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) [L809] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L810] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L811] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L812] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L813] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L814] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L817] 4 a = 1 [L820] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L823] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L754] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L757] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L762] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L764] 1 return 0; [L769] 2 x = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L772] 2 __unbuffered_p1_EAX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L777] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 2 return 0; [L784] 3 y = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L787] 3 z = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L826] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L826] EXPR 4 z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z [L826] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L826] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L827] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L827] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L828] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L828] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L829] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L829] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L830] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L830] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L833] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L835] 4 return 0; [L790] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L790] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L790] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L790] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L791] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L791] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L792] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L792] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L793] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L793] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L794] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L794] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L797] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L799] 3 return 0; [L857] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L868] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L869] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L870] 0 z$flush_delayed = weak$$choice2 [L871] 0 z$mem_tmp = z [L872] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L872] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L873] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L873] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L874] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L874] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1) [L874] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L874] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L875] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L875] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L876] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L877] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L878] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L878] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L879] 0 main$tmp_guard1 = !(z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L880] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L880] 0 z = z$flush_delayed ? z$mem_tmp : z [L881] 0 z$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix043_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=1, x=1, y=1, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 120 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 15.3s, OverallIterations: 13, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.4s, HoareTripleCheckerStatistics: 416 SDtfs, 497 SDslu, 727 SDs, 0 SdLazy, 278 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3002occurred 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: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 155 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 239 NumberOfCodeBlocks, 239 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 19199 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...