/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/mix023_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 22:56:38,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 22:56:38,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 22:56:38,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 22:56:38,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 22:56:38,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 22:56:38,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 22:56:38,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 22:56:38,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 22:56:38,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 22:56:38,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 22:56:38,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 22:56:38,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 22:56:38,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 22:56:38,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 22:56:38,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 22:56:38,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 22:56:38,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 22:56:38,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 22:56:38,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 22:56:38,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 22:56:38,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 22:56:38,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 22:56:38,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 22:56:38,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-21 22:56:38,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 22:56:38,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 22:56:38,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 22:56:38,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 22:56:38,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 22:56:38,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 22:56:38,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 22:56:38,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 22:56:38,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 22:56:38,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 22:56:38,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 22:56:38,675 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 22:56:38,724 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 22:56:38,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 22:56:38,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 22:56:38,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 22:56:38,726 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 22:56:38,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 22:56:38,727 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 22:56:38,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 22:56:38,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 22:56:38,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 22:56:38,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 22:56:38,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 22:56:38,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 22:56:38,728 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 22:56:38,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 22:56:38,729 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 22:56:38,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 22:56:38,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 22:56:38,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 22:56:38,730 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 22:56:38,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 22:56:38,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 22:56:38,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 22:56:38,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 22:56:38,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 22:56:38,731 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 22:56:38,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 22:56:38,731 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 22:56:38,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 22:56:39,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 22:56:39,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 22:56:39,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 22:56:39,052 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 22:56:39,052 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 22:56:39,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix023_rmo.oepc.i [2020-10-21 22:56:39,126 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dcb1b84e/010d528ce52b452482fd9fee1c9cc351/FLAG9a4e7a00d [2020-10-21 22:56:39,621 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 22:56:39,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix023_rmo.oepc.i [2020-10-21 22:56:39,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dcb1b84e/010d528ce52b452482fd9fee1c9cc351/FLAG9a4e7a00d [2020-10-21 22:56:39,895 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dcb1b84e/010d528ce52b452482fd9fee1c9cc351 [2020-10-21 22:56:39,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 22:56:39,910 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 22:56:39,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 22:56:39,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 22:56:39,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 22:56:39,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:56:39" (1/1) ... [2020-10-21 22:56:39,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7803fc12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:56:39, skipping insertion in model container [2020-10-21 22:56:39,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:56:39" (1/1) ... [2020-10-21 22:56:39,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 22:56:40,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 22:56:40,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:56:40,634 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 22:56:40,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:56:40,794 INFO L208 MainTranslator]: Completed translation [2020-10-21 22:56:40,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:56:40 WrapperNode [2020-10-21 22:56:40,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 22:56:40,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 22:56:40,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 22:56:40,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 22:56:40,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:56:40" (1/1) ... [2020-10-21 22:56:40,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:56:40" (1/1) ... [2020-10-21 22:56:40,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 22:56:40,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 22:56:40,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 22:56:40,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 22:56:40,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:56:40" (1/1) ... [2020-10-21 22:56:40,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:56:40" (1/1) ... [2020-10-21 22:56:40,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:56:40" (1/1) ... [2020-10-21 22:56:40,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:56:40" (1/1) ... [2020-10-21 22:56:40,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:56:40" (1/1) ... [2020-10-21 22:56:40,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:56:40" (1/1) ... [2020-10-21 22:56:40,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:56:40" (1/1) ... [2020-10-21 22:56:40,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 22:56:40,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 22:56:40,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 22:56:40,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 22:56:40,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:56:40" (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 22:56:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 22:56:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 22:56:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 22:56:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 22:56:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 22:56:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 22:56:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 22:56:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 22:56:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-21 22:56:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-21 22:56:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-21 22:56:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-21 22:56:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 22:56:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 22:56:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 22:56:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 22:56:41,008 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 22:56:43,404 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 22:56:43,405 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-21 22:56:43,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:56:43 BoogieIcfgContainer [2020-10-21 22:56:43,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 22:56:43,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 22:56:43,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 22:56:43,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 22:56:43,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 10:56:39" (1/3) ... [2020-10-21 22:56:43,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79af30e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:56:43, skipping insertion in model container [2020-10-21 22:56:43,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:56:40" (2/3) ... [2020-10-21 22:56:43,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79af30e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:56:43, skipping insertion in model container [2020-10-21 22:56:43,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:56:43" (3/3) ... [2020-10-21 22:56:43,416 INFO L111 eAbstractionObserver]: Analyzing ICFG mix023_rmo.oepc.i [2020-10-21 22:56:43,428 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 22:56:43,428 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 22:56:43,437 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-21 22:56:43,438 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 22:56:43,473 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,473 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,474 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,474 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,474 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,474 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,474 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,475 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,475 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,475 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,475 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,475 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,476 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,478 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,478 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,479 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,479 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,481 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,481 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,482 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,482 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,484 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,484 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,484 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,485 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,486 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,486 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,486 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,486 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,486 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,486 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,486 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,487 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,487 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,487 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,487 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,487 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,487 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,490 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,490 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,490 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,490 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,490 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,490 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,491 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,491 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,491 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,493 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,493 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,493 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,493 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,493 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,494 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,494 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,494 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,494 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,502 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,502 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,502 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,502 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,503 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,503 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,503 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,503 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,503 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,503 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,506 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,507 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,508 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,508 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,509 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,509 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,510 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,510 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,510 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,510 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,510 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,510 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,511 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,511 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,511 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,511 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,511 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,514 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,514 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,514 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,514 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,514 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,515 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,515 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,515 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,515 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,516 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,517 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,517 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,517 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,517 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,517 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,518 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,518 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,518 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,518 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,518 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,519 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,519 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,519 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:56:43,520 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 22:56:43,534 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-21 22:56:43,556 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 22:56:43,556 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 22:56:43,556 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 22:56:43,556 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 22:56:43,556 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 22:56:43,557 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 22:56:43,557 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 22:56:43,557 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 22:56:43,572 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 22:56:43,573 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 123 transitions, 266 flow [2020-10-21 22:56:43,576 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 123 transitions, 266 flow [2020-10-21 22:56:43,578 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 133 places, 123 transitions, 266 flow [2020-10-21 22:56:43,639 INFO L129 PetriNetUnfolder]: 3/119 cut-off events. [2020-10-21 22:56:43,639 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 22:56:43,645 INFO L80 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 119 events. 3/119 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 101 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 82. Up to 2 conditions per place. [2020-10-21 22:56:43,651 INFO L116 LiptonReduction]: Number of co-enabled transitions 3142 [2020-10-21 22:56:44,934 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-10-21 22:56:45,051 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-21 22:56:46,130 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-21 22:56:46,291 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-10-21 22:56:46,585 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-21 22:56:46,834 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-21 22:56:47,312 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 122 [2020-10-21 22:56:47,545 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-21 22:56:47,555 INFO L131 LiptonReduction]: Checked pairs total: 9897 [2020-10-21 22:56:47,556 INFO L133 LiptonReduction]: Total number of compositions: 104 [2020-10-21 22:56:47,561 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 35 transitions, 90 flow [2020-10-21 22:56:47,955 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 5846 states. [2020-10-21 22:56:47,958 INFO L276 IsEmpty]: Start isEmpty. Operand 5846 states. [2020-10-21 22:56:47,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-21 22:56:47,964 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:56:47,965 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-21 22:56:47,966 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:56:47,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:56:47,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1251869, now seen corresponding path program 1 times [2020-10-21 22:56:47,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:56:47,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346805448] [2020-10-21 22:56:47,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:56:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:56:48,209 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 22:56:48,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346805448] [2020-10-21 22:56:48,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:56:48,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:56:48,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052132337] [2020-10-21 22:56:48,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:56:48,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:56:48,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:56:48,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:56:48,236 INFO L87 Difference]: Start difference. First operand 5846 states. Second operand 3 states. [2020-10-21 22:56:48,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:56:48,396 INFO L93 Difference]: Finished difference Result 4872 states and 19508 transitions. [2020-10-21 22:56:48,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:56:48,399 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-21 22:56:48,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:56:48,460 INFO L225 Difference]: With dead ends: 4872 [2020-10-21 22:56:48,460 INFO L226 Difference]: Without dead ends: 3972 [2020-10-21 22:56:48,462 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 22:56:48,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3972 states. [2020-10-21 22:56:48,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3972 to 3972. [2020-10-21 22:56:48,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3972 states. [2020-10-21 22:56:48,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3972 states to 3972 states and 15668 transitions. [2020-10-21 22:56:48,724 INFO L78 Accepts]: Start accepts. Automaton has 3972 states and 15668 transitions. Word has length 3 [2020-10-21 22:56:48,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:56:48,725 INFO L481 AbstractCegarLoop]: Abstraction has 3972 states and 15668 transitions. [2020-10-21 22:56:48,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:56:48,725 INFO L276 IsEmpty]: Start isEmpty. Operand 3972 states and 15668 transitions. [2020-10-21 22:56:48,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 22:56:48,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:56:48,729 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:56:48,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 22:56:48,730 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:56:48,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:56:48,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1399571989, now seen corresponding path program 1 times [2020-10-21 22:56:48,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:56:48,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303461764] [2020-10-21 22:56:48,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:56:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:56:48,908 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 22:56:48,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303461764] [2020-10-21 22:56:48,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:56:48,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:56:48,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223457107] [2020-10-21 22:56:48,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:56:48,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:56:48,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:56:48,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:56:48,912 INFO L87 Difference]: Start difference. First operand 3972 states and 15668 transitions. Second operand 3 states. [2020-10-21 22:56:48,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:56:48,960 INFO L93 Difference]: Finished difference Result 3672 states and 14338 transitions. [2020-10-21 22:56:48,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:56:48,960 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-21 22:56:48,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:56:48,995 INFO L225 Difference]: With dead ends: 3672 [2020-10-21 22:56:48,995 INFO L226 Difference]: Without dead ends: 3672 [2020-10-21 22:56:48,996 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 22:56:49,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3672 states. [2020-10-21 22:56:49,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3672 to 3672. [2020-10-21 22:56:49,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3672 states. [2020-10-21 22:56:49,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3672 states to 3672 states and 14338 transitions. [2020-10-21 22:56:49,242 INFO L78 Accepts]: Start accepts. Automaton has 3672 states and 14338 transitions. Word has length 11 [2020-10-21 22:56:49,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:56:49,243 INFO L481 AbstractCegarLoop]: Abstraction has 3672 states and 14338 transitions. [2020-10-21 22:56:49,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:56:49,244 INFO L276 IsEmpty]: Start isEmpty. Operand 3672 states and 14338 transitions. [2020-10-21 22:56:49,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 22:56:49,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:56:49,249 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:56:49,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 22:56:49,250 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:56:49,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:56:49,250 INFO L82 PathProgramCache]: Analyzing trace with hash 662445824, now seen corresponding path program 1 times [2020-10-21 22:56:49,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:56:49,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489711008] [2020-10-21 22:56:49,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:56:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:56:49,376 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 22:56:49,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489711008] [2020-10-21 22:56:49,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:56:49,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:56:49,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517354592] [2020-10-21 22:56:49,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:56:49,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:56:49,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:56:49,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:56:49,379 INFO L87 Difference]: Start difference. First operand 3672 states and 14338 transitions. Second operand 3 states. [2020-10-21 22:56:49,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:56:49,416 INFO L93 Difference]: Finished difference Result 3472 states and 13468 transitions. [2020-10-21 22:56:49,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:56:49,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-21 22:56:49,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:56:49,447 INFO L225 Difference]: With dead ends: 3472 [2020-10-21 22:56:49,447 INFO L226 Difference]: Without dead ends: 3472 [2020-10-21 22:56:49,448 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 22:56:49,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3472 states. [2020-10-21 22:56:49,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3472 to 3472. [2020-10-21 22:56:49,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3472 states. [2020-10-21 22:56:49,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3472 states to 3472 states and 13468 transitions. [2020-10-21 22:56:49,580 INFO L78 Accepts]: Start accepts. Automaton has 3472 states and 13468 transitions. Word has length 13 [2020-10-21 22:56:49,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:56:49,580 INFO L481 AbstractCegarLoop]: Abstraction has 3472 states and 13468 transitions. [2020-10-21 22:56:49,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:56:49,580 INFO L276 IsEmpty]: Start isEmpty. Operand 3472 states and 13468 transitions. [2020-10-21 22:56:49,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 22:56:49,585 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:56:49,585 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:56:49,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 22:56:49,585 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:56:49,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:56:49,586 INFO L82 PathProgramCache]: Analyzing trace with hash -347045881, now seen corresponding path program 1 times [2020-10-21 22:56:49,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:56:49,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049444378] [2020-10-21 22:56:49,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:56:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:56:49,683 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 22:56:49,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049444378] [2020-10-21 22:56:49,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:56:49,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:56:49,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693129520] [2020-10-21 22:56:49,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:56:49,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:56:49,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:56:49,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:56:49,689 INFO L87 Difference]: Start difference. First operand 3472 states and 13468 transitions. Second operand 4 states. [2020-10-21 22:56:49,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:56:49,776 INFO L93 Difference]: Finished difference Result 3428 states and 12088 transitions. [2020-10-21 22:56:49,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 22:56:49,777 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-21 22:56:49,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:56:49,797 INFO L225 Difference]: With dead ends: 3428 [2020-10-21 22:56:49,798 INFO L226 Difference]: Without dead ends: 2528 [2020-10-21 22:56:49,798 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 22:56:49,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2528 states. [2020-10-21 22:56:49,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2528 to 2528. [2020-10-21 22:56:49,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2528 states. [2020-10-21 22:56:49,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2528 states to 2528 states and 8748 transitions. [2020-10-21 22:56:49,879 INFO L78 Accepts]: Start accepts. Automaton has 2528 states and 8748 transitions. Word has length 15 [2020-10-21 22:56:49,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:56:49,879 INFO L481 AbstractCegarLoop]: Abstraction has 2528 states and 8748 transitions. [2020-10-21 22:56:49,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:56:49,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 8748 transitions. [2020-10-21 22:56:49,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-21 22:56:49,885 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:56:49,885 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:56:49,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 22:56:49,885 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:56:49,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:56:49,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1292540996, now seen corresponding path program 1 times [2020-10-21 22:56:49,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:56:49,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618791061] [2020-10-21 22:56:49,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:56:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:56:50,051 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 22:56:50,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618791061] [2020-10-21 22:56:50,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:56:50,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 22:56:50,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062028174] [2020-10-21 22:56:50,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 22:56:50,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:56:50,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 22:56:50,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:56:50,054 INFO L87 Difference]: Start difference. First operand 2528 states and 8748 transitions. Second operand 5 states. [2020-10-21 22:56:50,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:56:50,125 INFO L93 Difference]: Finished difference Result 2140 states and 6896 transitions. [2020-10-21 22:56:50,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 22:56:50,126 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-21 22:56:50,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:56:50,134 INFO L225 Difference]: With dead ends: 2140 [2020-10-21 22:56:50,135 INFO L226 Difference]: Without dead ends: 1640 [2020-10-21 22:56:50,135 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 22:56:50,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2020-10-21 22:56:50,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1640. [2020-10-21 22:56:50,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1640 states. [2020-10-21 22:56:50,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1640 states and 5196 transitions. [2020-10-21 22:56:50,292 INFO L78 Accepts]: Start accepts. Automaton has 1640 states and 5196 transitions. Word has length 18 [2020-10-21 22:56:50,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:56:50,293 INFO L481 AbstractCegarLoop]: Abstraction has 1640 states and 5196 transitions. [2020-10-21 22:56:50,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 22:56:50,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 5196 transitions. [2020-10-21 22:56:50,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-21 22:56:50,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:56:50,299 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:56:50,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 22:56:50,299 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:56:50,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:56:50,300 INFO L82 PathProgramCache]: Analyzing trace with hash 833505185, now seen corresponding path program 1 times [2020-10-21 22:56:50,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:56:50,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713935732] [2020-10-21 22:56:50,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:56:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:56:50,440 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 22:56:50,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713935732] [2020-10-21 22:56:50,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:56:50,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 22:56:50,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249043899] [2020-10-21 22:56:50,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 22:56:50,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:56:50,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 22:56:50,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:56:50,443 INFO L87 Difference]: Start difference. First operand 1640 states and 5196 transitions. Second operand 6 states. [2020-10-21 22:56:50,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:56:50,512 INFO L93 Difference]: Finished difference Result 1465 states and 4632 transitions. [2020-10-21 22:56:50,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 22:56:50,513 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2020-10-21 22:56:50,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:56:50,519 INFO L225 Difference]: With dead ends: 1465 [2020-10-21 22:56:50,519 INFO L226 Difference]: Without dead ends: 1325 [2020-10-21 22:56:50,520 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 22:56:50,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2020-10-21 22:56:50,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 1325. [2020-10-21 22:56:50,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1325 states. [2020-10-21 22:56:50,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 4251 transitions. [2020-10-21 22:56:50,558 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 4251 transitions. Word has length 21 [2020-10-21 22:56:50,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:56:50,558 INFO L481 AbstractCegarLoop]: Abstraction has 1325 states and 4251 transitions. [2020-10-21 22:56:50,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 22:56:50,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 4251 transitions. [2020-10-21 22:56:50,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-21 22:56:50,563 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:56:50,563 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] [2020-10-21 22:56:50,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 22:56:50,563 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:56:50,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:56:50,564 INFO L82 PathProgramCache]: Analyzing trace with hash 774308273, now seen corresponding path program 1 times [2020-10-21 22:56:50,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:56:50,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105879427] [2020-10-21 22:56:50,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:56:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:56:50,711 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 22:56:50,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105879427] [2020-10-21 22:56:50,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:56:50,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 22:56:50,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836599647] [2020-10-21 22:56:50,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 22:56:50,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:56:50,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 22:56:50,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:56:50,714 INFO L87 Difference]: Start difference. First operand 1325 states and 4251 transitions. Second operand 5 states. [2020-10-21 22:56:50,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:56:50,890 INFO L93 Difference]: Finished difference Result 2330 states and 7239 transitions. [2020-10-21 22:56:50,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 22:56:50,890 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-21 22:56:50,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:56:50,899 INFO L225 Difference]: With dead ends: 2330 [2020-10-21 22:56:50,899 INFO L226 Difference]: Without dead ends: 2087 [2020-10-21 22:56:50,900 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:56:50,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2087 states. [2020-10-21 22:56:50,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2087 to 1704. [2020-10-21 22:56:50,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1704 states. [2020-10-21 22:56:50,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 5365 transitions. [2020-10-21 22:56:50,958 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 5365 transitions. Word has length 25 [2020-10-21 22:56:50,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:56:50,958 INFO L481 AbstractCegarLoop]: Abstraction has 1704 states and 5365 transitions. [2020-10-21 22:56:50,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 22:56:50,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 5365 transitions. [2020-10-21 22:56:50,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-21 22:56:50,964 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:56:50,964 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] [2020-10-21 22:56:50,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 22:56:50,964 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:56:50,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:56:50,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1764669385, now seen corresponding path program 2 times [2020-10-21 22:56:50,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:56:50,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004357792] [2020-10-21 22:56:50,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:56:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:56:51,160 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 22:56:51,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004357792] [2020-10-21 22:56:51,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:56:51,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 22:56:51,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636984741] [2020-10-21 22:56:51,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 22:56:51,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:56:51,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 22:56:51,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:56:51,163 INFO L87 Difference]: Start difference. First operand 1704 states and 5365 transitions. Second operand 7 states. [2020-10-21 22:56:51,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:56:51,401 INFO L93 Difference]: Finished difference Result 2059 states and 6286 transitions. [2020-10-21 22:56:51,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 22:56:51,402 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2020-10-21 22:56:51,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:56:51,410 INFO L225 Difference]: With dead ends: 2059 [2020-10-21 22:56:51,410 INFO L226 Difference]: Without dead ends: 1951 [2020-10-21 22:56:51,411 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-21 22:56:51,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1951 states. [2020-10-21 22:56:51,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1951 to 1568. [2020-10-21 22:56:51,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1568 states. [2020-10-21 22:56:51,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 4939 transitions. [2020-10-21 22:56:51,462 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 4939 transitions. Word has length 25 [2020-10-21 22:56:51,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:56:51,462 INFO L481 AbstractCegarLoop]: Abstraction has 1568 states and 4939 transitions. [2020-10-21 22:56:51,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 22:56:51,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 4939 transitions. [2020-10-21 22:56:51,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-21 22:56:51,468 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:56:51,468 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] [2020-10-21 22:56:51,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 22:56:51,469 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:56:51,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:56:51,469 INFO L82 PathProgramCache]: Analyzing trace with hash -649304143, now seen corresponding path program 3 times [2020-10-21 22:56:51,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:56:51,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729171731] [2020-10-21 22:56:51,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:56:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:56:51,643 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 22:56:51,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729171731] [2020-10-21 22:56:51,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:56:51,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-21 22:56:51,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670264550] [2020-10-21 22:56:51,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 22:56:51,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:56:51,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 22:56:51,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:56:51,646 INFO L87 Difference]: Start difference. First operand 1568 states and 4939 transitions. Second operand 7 states. [2020-10-21 22:56:51,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:56:51,744 INFO L93 Difference]: Finished difference Result 1537 states and 4872 transitions. [2020-10-21 22:56:51,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-21 22:56:51,745 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2020-10-21 22:56:51,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:56:51,753 INFO L225 Difference]: With dead ends: 1537 [2020-10-21 22:56:51,754 INFO L226 Difference]: Without dead ends: 1395 [2020-10-21 22:56:51,754 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 22:56:51,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2020-10-21 22:56:51,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1395. [2020-10-21 22:56:51,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1395 states. [2020-10-21 22:56:51,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 4455 transitions. [2020-10-21 22:56:51,809 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 4455 transitions. Word has length 25 [2020-10-21 22:56:51,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:56:51,810 INFO L481 AbstractCegarLoop]: Abstraction has 1395 states and 4455 transitions. [2020-10-21 22:56:51,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 22:56:51,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 4455 transitions. [2020-10-21 22:56:51,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-21 22:56:51,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:56:51,819 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:56:51,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 22:56:51,820 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:56:51,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:56:51,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1497236506, now seen corresponding path program 1 times [2020-10-21 22:56:51,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:56:51,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249710697] [2020-10-21 22:56:51,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:56:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:56:51,916 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 22:56:51,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249710697] [2020-10-21 22:56:51,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:56:51,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 22:56:51,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361776285] [2020-10-21 22:56:51,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:56:51,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:56:51,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:56:51,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:56:51,919 INFO L87 Difference]: Start difference. First operand 1395 states and 4455 transitions. Second operand 3 states. [2020-10-21 22:56:52,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:56:52,057 INFO L93 Difference]: Finished difference Result 1895 states and 5976 transitions. [2020-10-21 22:56:52,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:56:52,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2020-10-21 22:56:52,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:56:52,062 INFO L225 Difference]: With dead ends: 1895 [2020-10-21 22:56:52,062 INFO L226 Difference]: Without dead ends: 1095 [2020-10-21 22:56:52,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:56:52,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2020-10-21 22:56:52,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 1095. [2020-10-21 22:56:52,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1095 states. [2020-10-21 22:56:52,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 3389 transitions. [2020-10-21 22:56:52,096 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 3389 transitions. Word has length 29 [2020-10-21 22:56:52,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:56:52,097 INFO L481 AbstractCegarLoop]: Abstraction has 1095 states and 3389 transitions. [2020-10-21 22:56:52,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:56:52,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 3389 transitions. [2020-10-21 22:56:52,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-21 22:56:52,102 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:56:52,102 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:56:52,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 22:56:52,103 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:56:52,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:56:52,103 INFO L82 PathProgramCache]: Analyzing trace with hash 2078695618, now seen corresponding path program 2 times [2020-10-21 22:56:52,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:56:52,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188494814] [2020-10-21 22:56:52,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:56:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:56:52,578 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 22:56:52,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188494814] [2020-10-21 22:56:52,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:56:52,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-21 22:56:52,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417964877] [2020-10-21 22:56:52,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-21 22:56:52,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:56:52,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-21 22:56:52,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-21 22:56:52,580 INFO L87 Difference]: Start difference. First operand 1095 states and 3389 transitions. Second operand 13 states. [2020-10-21 22:56:53,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:56:53,719 INFO L93 Difference]: Finished difference Result 1346 states and 3956 transitions. [2020-10-21 22:56:53,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-21 22:56:53,720 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 29 [2020-10-21 22:56:53,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:56:53,725 INFO L225 Difference]: With dead ends: 1346 [2020-10-21 22:56:53,725 INFO L226 Difference]: Without dead ends: 1166 [2020-10-21 22:56:53,725 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2020-10-21 22:56:53,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2020-10-21 22:56:53,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 1099. [2020-10-21 22:56:53,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1099 states. [2020-10-21 22:56:53,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 3298 transitions. [2020-10-21 22:56:53,756 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 3298 transitions. Word has length 29 [2020-10-21 22:56:53,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:56:53,757 INFO L481 AbstractCegarLoop]: Abstraction has 1099 states and 3298 transitions. [2020-10-21 22:56:53,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-21 22:56:53,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 3298 transitions. [2020-10-21 22:56:53,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-21 22:56:53,761 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:56:53,761 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:56:53,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-21 22:56:53,761 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:56:53,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:56:53,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1793308930, now seen corresponding path program 3 times [2020-10-21 22:56:53,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:56:53,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345240304] [2020-10-21 22:56:53,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:56:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:56:54,056 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 22:56:54,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345240304] [2020-10-21 22:56:54,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:56:54,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-21 22:56:54,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68642191] [2020-10-21 22:56:54,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 22:56:54,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:56:54,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 22:56:54,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-21 22:56:54,059 INFO L87 Difference]: Start difference. First operand 1099 states and 3298 transitions. Second operand 8 states. [2020-10-21 22:56:54,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:56:54,270 INFO L93 Difference]: Finished difference Result 1550 states and 4506 transitions. [2020-10-21 22:56:54,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 22:56:54,271 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-21 22:56:54,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:56:54,275 INFO L225 Difference]: With dead ends: 1550 [2020-10-21 22:56:54,275 INFO L226 Difference]: Without dead ends: 1222 [2020-10-21 22:56:54,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-21 22:56:54,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2020-10-21 22:56:54,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 923. [2020-10-21 22:56:54,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 923 states. [2020-10-21 22:56:54,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 2731 transitions. [2020-10-21 22:56:54,356 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 2731 transitions. Word has length 29 [2020-10-21 22:56:54,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:56:54,356 INFO L481 AbstractCegarLoop]: Abstraction has 923 states and 2731 transitions. [2020-10-21 22:56:54,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 22:56:54,357 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 2731 transitions. [2020-10-21 22:56:54,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-21 22:56:54,359 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:56:54,359 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:56:54,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-21 22:56:54,360 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:56:54,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:56:54,360 INFO L82 PathProgramCache]: Analyzing trace with hash -2130284478, now seen corresponding path program 4 times [2020-10-21 22:56:54,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:56:54,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659296987] [2020-10-21 22:56:54,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:56:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:56:54,573 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 22:56:54,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659296987] [2020-10-21 22:56:54,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:56:54,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-21 22:56:54,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142666359] [2020-10-21 22:56:54,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 22:56:54,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:56:54,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 22:56:54,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-21 22:56:54,576 INFO L87 Difference]: Start difference. First operand 923 states and 2731 transitions. Second operand 8 states. [2020-10-21 22:56:54,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:56:54,755 INFO L93 Difference]: Finished difference Result 943 states and 2766 transitions. [2020-10-21 22:56:54,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 22:56:54,755 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-21 22:56:54,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:56:54,758 INFO L225 Difference]: With dead ends: 943 [2020-10-21 22:56:54,759 INFO L226 Difference]: Without dead ends: 867 [2020-10-21 22:56:54,759 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-21 22:56:54,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2020-10-21 22:56:54,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 695. [2020-10-21 22:56:54,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2020-10-21 22:56:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 2103 transitions. [2020-10-21 22:56:54,777 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 2103 transitions. Word has length 29 [2020-10-21 22:56:54,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:56:54,777 INFO L481 AbstractCegarLoop]: Abstraction has 695 states and 2103 transitions. [2020-10-21 22:56:54,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 22:56:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 2103 transitions. [2020-10-21 22:56:54,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-21 22:56:54,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:56:54,780 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:56:54,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-21 22:56:54,780 INFO L429 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:56:54,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:56:54,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1824288766, now seen corresponding path program 5 times [2020-10-21 22:56:54,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:56:54,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979666795] [2020-10-21 22:56:54,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:56:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:56:54,847 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:56:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:56:54,909 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:56:54,951 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 22:56:54,952 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 22:56:54,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-21 22:56:54,953 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-21 22:56:54,996 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1206] [1206] L2-->L887: Formula: (let ((.cse6 (= 0 (mod ~a$r_buff0_thd0~0_In-1816635470 256))) (.cse7 (= (mod ~a$w_buff0_used~0_In-1816635470 256) 0)) (.cse8 (= (mod ~a$r_buff1_thd0~0_In-1816635470 256) 0)) (.cse9 (= (mod ~a$w_buff1_used~0_In-1816635470 256) 0))) (let ((.cse3 (or .cse8 .cse9)) (.cse4 (not .cse9)) (.cse5 (not .cse8)) (.cse0 (or .cse6 .cse7)) (.cse1 (not .cse7)) (.cse2 (not .cse6))) (and (= |ULTIMATE.start_assume_abort_if_not_#in~cond_In-1816635470| ULTIMATE.start_assume_abort_if_not_~cond_Out-1816635470) (= ~a$r_buff0_thd0~0_Out-1816635470 ~a$r_buff0_thd0~0_In-1816635470) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1816635470 0)) (= ~a$r_buff1_thd0~0_In-1816635470 ~a$r_buff1_thd0~0_Out-1816635470) (or (and (= ~a$w_buff0_used~0_In-1816635470 ~a$w_buff0_used~0_Out-1816635470) .cse0) (and (= ~a$w_buff0_used~0_Out-1816635470 0) .cse1 .cse2)) (or (and (= ~a$w_buff1_used~0_Out-1816635470 ~a$w_buff1_used~0_In-1816635470) .cse3) (and .cse4 (= ~a$w_buff1_used~0_Out-1816635470 0) .cse5)) (or (and (or (and .cse3 (= ~a~0_Out-1816635470 ~a~0_In-1816635470)) (and .cse4 (= ~a$w_buff1~0_In-1816635470 ~a~0_Out-1816635470) .cse5)) .cse0) (and (= ~a$w_buff0~0_In-1816635470 ~a~0_Out-1816635470) .cse1 .cse2))))) InVars {~a~0=~a~0_In-1816635470, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-1816635470|, ~a$w_buff1~0=~a$w_buff1~0_In-1816635470, ~a$w_buff0~0=~a$w_buff0~0_In-1816635470, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_In-1816635470, ~a$w_buff0_used~0=~a$w_buff0_used~0_In-1816635470, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_In-1816635470, ~a$w_buff1_used~0=~a$w_buff1_used~0_In-1816635470} OutVars{ULTIMATE.start_main_#t~ite58=|ULTIMATE.start_main_#t~ite58_Out-1816635470|, ~a$w_buff0_used~0=~a$w_buff0_used~0_Out-1816635470, ULTIMATE.start_main_#t~ite57=|ULTIMATE.start_main_#t~ite57_Out-1816635470|, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_Out-1816635470, ULTIMATE.start_main_#t~ite59=|ULTIMATE.start_main_#t~ite59_Out-1816635470|, ULTIMATE.start_main_#t~ite56=|ULTIMATE.start_main_#t~ite56_Out-1816635470|, ~a~0=~a~0_Out-1816635470, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-1816635470|, ULTIMATE.start_main_#t~ite60=|ULTIMATE.start_main_#t~ite60_Out-1816635470|, ULTIMATE.start_main_#t~ite61=|ULTIMATE.start_main_#t~ite61_Out-1816635470|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-1816635470, ~a$w_buff1~0=~a$w_buff1~0_In-1816635470, ~a$w_buff0~0=~a$w_buff0~0_In-1816635470, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_Out-1816635470, ~a$w_buff1_used~0=~a$w_buff1_used~0_Out-1816635470} AuxVars[] AssignedVars[~a~0, ULTIMATE.start_main_#t~ite60, ULTIMATE.start_main_#t~ite61, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~ite58, ~a$r_buff1_thd0~0, ~a$w_buff0_used~0, ULTIMATE.start_main_#t~ite57, ~a$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite59, ~a$w_buff1_used~0, ULTIMATE.start_main_#t~ite56] because there is no mapped edge [2020-10-21 22:56:55,006 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 22:56:55,007 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,007 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 22:56:55,007 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [751] [2020-10-21 22:56:55,010 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 22:56:55,010 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,010 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 22:56:55,011 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,011 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 22:56:55,011 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,011 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 22:56:55,011 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,012 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 22:56:55,012 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,013 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 22:56:55,013 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,013 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 22:56:55,013 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,014 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 22:56:55,014 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,014 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 22:56:55,014 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,015 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 22:56:55,015 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,015 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 22:56:55,016 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,016 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 22:56:55,017 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,017 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 22:56:55,017 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,018 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 22:56:55,018 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,018 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 22:56:55,018 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,019 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 22:56:55,019 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,019 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 22:56:55,019 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,019 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 22:56:55,020 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,020 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 22:56:55,020 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,020 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 22:56:55,020 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,020 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 22:56:55,021 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,021 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 22:56:55,021 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,021 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 22:56:55,021 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,022 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 22:56:55,022 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,022 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 22:56:55,022 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,022 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 22:56:55,022 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,022 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 22:56:55,023 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,023 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 22:56:55,023 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,024 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 22:56:55,024 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,024 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 22:56:55,024 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,025 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 22:56:55,025 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,025 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 22:56:55,025 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:55,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 10:56:55 BasicIcfg [2020-10-21 22:56:55,135 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 22:56:55,138 INFO L168 Benchmark]: Toolchain (without parser) took 15231.69 ms. Allocated memory was 143.7 MB in the beginning and 507.0 MB in the end (delta: 363.3 MB). Free memory was 98.5 MB in the beginning and 273.3 MB in the end (delta: -174.8 MB). Peak memory consumption was 188.5 MB. Max. memory is 7.1 GB. [2020-10-21 22:56:55,139 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 143.7 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-21 22:56:55,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 884.49 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 97.6 MB in the beginning and 150.0 MB in the end (delta: -52.4 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2020-10-21 22:56:55,143 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.56 ms. Allocated memory is still 200.8 MB. Free memory was 150.0 MB in the beginning and 147.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-21 22:56:55,144 INFO L168 Benchmark]: Boogie Preprocessor took 45.23 ms. Allocated memory is still 200.8 MB. Free memory was 147.1 MB in the beginning and 144.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2020-10-21 22:56:55,145 INFO L168 Benchmark]: RCFGBuilder took 2504.01 ms. Allocated memory was 200.8 MB in the beginning and 253.2 MB in the end (delta: 52.4 MB). Free memory was 144.9 MB in the beginning and 145.3 MB in the end (delta: -388.5 kB). Peak memory consumption was 100.9 MB. Max. memory is 7.1 GB. [2020-10-21 22:56:55,150 INFO L168 Benchmark]: TraceAbstraction took 11726.22 ms. Allocated memory was 253.2 MB in the beginning and 507.0 MB in the end (delta: 253.8 MB). Free memory was 145.3 MB in the beginning and 273.3 MB in the end (delta: -128.0 MB). Peak memory consumption was 125.8 MB. Max. memory is 7.1 GB. [2020-10-21 22:56:55,158 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 143.7 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 884.49 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 97.6 MB in the beginning and 150.0 MB in the end (delta: -52.4 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.56 ms. Allocated memory is still 200.8 MB. Free memory was 150.0 MB in the beginning and 147.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.23 ms. Allocated memory is still 200.8 MB. Free memory was 147.1 MB in the beginning and 144.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2504.01 ms. Allocated memory was 200.8 MB in the beginning and 253.2 MB in the end (delta: 52.4 MB). Free memory was 144.9 MB in the beginning and 145.3 MB in the end (delta: -388.5 kB). Peak memory consumption was 100.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11726.22 ms. Allocated memory was 253.2 MB in the beginning and 507.0 MB in the end (delta: 253.8 MB). Free memory was 145.3 MB in the beginning and 273.3 MB in the end (delta: -128.0 MB). Peak memory consumption was 125.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1692 VarBasedMoverChecksPositive, 41 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 161 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.9s, 133 PlacesBefore, 48 PlacesAfterwards, 123 TransitionsBefore, 35 TransitionsAfterwards, 3142 CoEnabledTransitionPairs, 7 FixpointIterations, 41 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 3 ChoiceCompositions, 104 TotalNumberOfCompositions, 9897 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_p1_EAX = 0; [L714] 0 int __unbuffered_p1_EBX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L721] 0 _Bool a$flush_delayed; [L722] 0 int a$mem_tmp; [L723] 0 _Bool a$r_buff0_thd0; [L724] 0 _Bool a$r_buff0_thd1; [L725] 0 _Bool a$r_buff0_thd2; [L726] 0 _Bool a$r_buff0_thd3; [L727] 0 _Bool a$r_buff0_thd4; [L728] 0 _Bool a$r_buff1_thd0; [L729] 0 _Bool a$r_buff1_thd1; [L730] 0 _Bool a$r_buff1_thd2; [L731] 0 _Bool a$r_buff1_thd3; [L732] 0 _Bool a$r_buff1_thd4; [L733] 0 _Bool a$read_delayed; [L734] 0 int *a$read_delayed_var; [L735] 0 int a$w_buff0; [L736] 0 _Bool a$w_buff0_used; [L737] 0 int a$w_buff1; [L738] 0 _Bool a$w_buff1_used; [L739] 0 _Bool main$tmp_guard0; [L740] 0 _Bool main$tmp_guard1; [L742] 0 int x = 0; [L744] 0 int y = 0; [L746] 0 int z = 0; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L869] 0 pthread_t t617; [L870] FCALL, FORK 0 pthread_create(&t617, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L871] 0 pthread_t t618; [L872] FCALL, FORK 0 pthread_create(&t618, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L752] 1 a$w_buff1 = a$w_buff0 [L753] 1 a$w_buff0 = 1 [L754] 1 a$w_buff1_used = a$w_buff0_used [L755] 1 a$w_buff0_used = (_Bool)1 [L18] COND TRUE 1 !expression [L17] COND FALSE 1 !(0) [L17] 1 __assert_fail ("0", "mix023_rmo.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) [L757] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L758] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L759] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L760] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L761] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L762] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L765] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L873] 0 pthread_t t619; [L874] FCALL, FORK 0 pthread_create(&t619, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L782] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L875] 0 pthread_t t620; [L876] FCALL, FORK 0 pthread_create(&t620, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L785] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L788] 2 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L791] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L791] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L792] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L793] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L793] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L794] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L794] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L795] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L795] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L798] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L800] 2 return 0; [L805] 3 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L808] 3 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L825] 4 z = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2] [L811] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L811] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L811] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L811] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L812] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L812] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L813] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L813] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L814] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L814] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L815] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L815] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L820] 3 return 0; [L828] 4 __unbuffered_p3_EAX = z VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2] [L831] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L832] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L833] 4 a$flush_delayed = weak$$choice2 [L834] 4 a$mem_tmp = a [L835] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L835] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1 [L835] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L835] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L836] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L836] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L836] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0 [L836] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L836] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L836] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L837] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L837] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L838] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L838] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L839] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L840] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L840] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L841] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L842] 4 __unbuffered_p3_EBX = a [L843] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L843] 4 a = a$flush_delayed ? a$mem_tmp : a [L844] 4 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=2] [L768] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L768] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L769] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L769] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L770] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L770] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L771] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L771] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L772] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L772] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L775] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 1 return 0; [L847] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L847] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L848] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L848] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L849] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L849] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L850] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L850] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L851] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L851] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L854] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L856] 4 return 0; [L878] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L889] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix023_rmo.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 121 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.4s, OverallIterations: 14, TraceHistogramMax: 1, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.3s, HoareTripleCheckerStatistics: 623 SDtfs, 718 SDslu, 1912 SDs, 0 SdLazy, 1147 SolverSat, 148 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5846occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 1304 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 259 ConstructedInterpolants, 0 QuantifiedInterpolants, 62185 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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...