/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/mix005_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 11:56:50,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 11:56:50,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 11:56:50,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 11:56:50,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 11:56:50,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 11:56:50,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 11:56:50,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 11:56:50,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 11:56:50,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 11:56:50,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 11:56:50,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 11:56:50,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 11:56:50,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 11:56:50,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 11:56:50,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 11:56:50,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 11:56:50,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 11:56:50,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 11:56:50,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 11:56:50,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 11:56:50,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 11:56:50,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 11:56:50,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 11:56:50,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 11:56:50,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 11:56:50,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 11:56:50,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 11:56:50,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 11:56:50,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 11:56:50,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 11:56:50,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 11:56:50,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 11:56:50,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 11:56:50,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 11:56:50,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 11:56:50,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 11:56:50,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 11:56:50,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 11:56:50,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 11:56:50,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 11:56:50,721 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 11:56:50,745 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 11:56:50,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 11:56:50,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 11:56:50,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 11:56:50,747 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 11:56:50,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 11:56:50,747 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 11:56:50,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 11:56:50,748 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 11:56:50,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 11:56:50,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 11:56:50,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 11:56:50,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 11:56:50,749 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 11:56:50,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 11:56:50,749 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 11:56:50,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 11:56:50,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 11:56:50,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 11:56:50,750 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 11:56:50,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 11:56:50,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 11:56:50,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 11:56:50,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 11:56:50,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 11:56:50,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 11:56:50,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 11:56:50,752 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 11:56:50,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 11:56:51,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 11:56:51,077 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 11:56:51,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 11:56:51,082 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 11:56:51,083 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 11:56:51,083 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix005_power.opt.i [2020-10-16 11:56:51,156 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c182aa24e/3ba8a60324534c96bef3cadccb3b419e/FLAG203f051a5 [2020-10-16 11:56:51,742 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 11:56:51,743 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix005_power.opt.i [2020-10-16 11:56:51,759 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c182aa24e/3ba8a60324534c96bef3cadccb3b419e/FLAG203f051a5 [2020-10-16 11:56:52,014 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c182aa24e/3ba8a60324534c96bef3cadccb3b419e [2020-10-16 11:56:52,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 11:56:52,027 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 11:56:52,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 11:56:52,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 11:56:52,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 11:56:52,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:56:52" (1/1) ... [2020-10-16 11:56:52,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77674f1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:52, skipping insertion in model container [2020-10-16 11:56:52,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:56:52" (1/1) ... [2020-10-16 11:56:52,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 11:56:52,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 11:56:52,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:56:52,643 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 11:56:52,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:56:52,834 INFO L208 MainTranslator]: Completed translation [2020-10-16 11:56:52,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:52 WrapperNode [2020-10-16 11:56:52,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 11:56:52,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 11:56:52,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 11:56:52,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 11:56:52,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:52" (1/1) ... [2020-10-16 11:56:52,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:52" (1/1) ... [2020-10-16 11:56:52,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 11:56:52,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 11:56:52,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 11:56:52,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 11:56:52,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:52" (1/1) ... [2020-10-16 11:56:52,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:52" (1/1) ... [2020-10-16 11:56:52,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:52" (1/1) ... [2020-10-16 11:56:52,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:52" (1/1) ... [2020-10-16 11:56:52,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:52" (1/1) ... [2020-10-16 11:56:52,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:52" (1/1) ... [2020-10-16 11:56:52,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:52" (1/1) ... [2020-10-16 11:56:52,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 11:56:52,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 11:56:52,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 11:56:52,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 11:56:52,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:52" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 11:56:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 11:56:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 11:56:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 11:56:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 11:56:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 11:56:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 11:56:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 11:56:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 11:56:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 11:56:53,093 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 11:56:53,096 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-16 11:56:53,096 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-16 11:56:53,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 11:56:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 11:56:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 11:56:53,100 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 11:56:55,776 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 11:56:55,777 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 11:56:55,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:56:55 BoogieIcfgContainer [2020-10-16 11:56:55,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 11:56:55,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 11:56:55,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 11:56:55,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 11:56:55,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:56:52" (1/3) ... [2020-10-16 11:56:55,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ae0a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:56:55, skipping insertion in model container [2020-10-16 11:56:55,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:56:52" (2/3) ... [2020-10-16 11:56:55,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ae0a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:56:55, skipping insertion in model container [2020-10-16 11:56:55,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:56:55" (3/3) ... [2020-10-16 11:56:55,791 INFO L111 eAbstractionObserver]: Analyzing ICFG mix005_power.opt.i [2020-10-16 11:56:55,805 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 11:56:55,805 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 11:56:55,815 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 11:56:55,816 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 11:56:55,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,856 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,856 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,857 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,858 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,858 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,858 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,859 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,859 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,859 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,860 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,860 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,860 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,860 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,861 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,861 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,861 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,861 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,861 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,862 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,871 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,871 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,872 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,872 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,884 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,884 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,884 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,889 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,889 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,890 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,890 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,890 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,890 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,891 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,891 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,891 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,891 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,891 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,892 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,892 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,892 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,892 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,893 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,895 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,895 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,895 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,895 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,901 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,901 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,902 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,902 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,902 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,902 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,903 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,903 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,903 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,903 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,903 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,904 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,904 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,904 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,904 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,904 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,906 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,906 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,906 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,906 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,906 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,907 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,907 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,907 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,907 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,907 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,908 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,908 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,908 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,908 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,912 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,913 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,913 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,913 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,915 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,915 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,915 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,915 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:56:55,917 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 11:56:55,934 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 11:56:55,959 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 11:56:55,959 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 11:56:55,959 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 11:56:55,959 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 11:56:55,960 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 11:56:55,960 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 11:56:55,960 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 11:56:55,960 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 11:56:55,977 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 11:56:55,978 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 112 transitions, 244 flow [2020-10-16 11:56:55,982 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 112 transitions, 244 flow [2020-10-16 11:56:55,984 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 244 flow [2020-10-16 11:56:56,086 INFO L129 PetriNetUnfolder]: 2/108 cut-off events. [2020-10-16 11:56:56,087 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 11:56:56,093 INFO L80 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2020-10-16 11:56:56,098 INFO L117 LiptonReduction]: Number of co-enabled transitions 2446 [2020-10-16 11:56:56,714 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-10-16 11:56:57,308 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-10-16 11:56:58,773 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-10-16 11:56:58,956 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-16 11:56:58,973 INFO L132 LiptonReduction]: Checked pairs total: 7121 [2020-10-16 11:56:58,973 INFO L134 LiptonReduction]: Total number of compositions: 92 [2020-10-16 11:56:58,983 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 32 transitions, 84 flow [2020-10-16 11:56:59,337 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3002 states. [2020-10-16 11:56:59,341 INFO L276 IsEmpty]: Start isEmpty. Operand 3002 states. [2020-10-16 11:56:59,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 11:56:59,363 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:56:59,364 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:56:59,364 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:56:59,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:56:59,372 INFO L82 PathProgramCache]: Analyzing trace with hash 987745277, now seen corresponding path program 1 times [2020-10-16 11:56:59,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:56:59,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844375082] [2020-10-16 11:56:59,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:56:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:56:59,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:56:59,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844375082] [2020-10-16 11:56:59,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:56:59,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 11:56:59,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912475171] [2020-10-16 11:56:59,725 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:56:59,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:56:59,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:56:59,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:56:59,744 INFO L87 Difference]: Start difference. First operand 3002 states. Second operand 3 states. [2020-10-16 11:56:59,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:56:59,852 INFO L93 Difference]: Finished difference Result 2602 states and 10064 transitions. [2020-10-16 11:56:59,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:56:59,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 11:56:59,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:56:59,911 INFO L225 Difference]: With dead ends: 2602 [2020-10-16 11:56:59,911 INFO L226 Difference]: Without dead ends: 2122 [2020-10-16 11:56:59,913 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 [2020-10-16 11:57:00,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2122 states. [2020-10-16 11:57:00,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2122 to 2122. [2020-10-16 11:57:00,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2122 states. [2020-10-16 11:57:00,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 2122 states and 8080 transitions. [2020-10-16 11:57:00,119 INFO L78 Accepts]: Start accepts. Automaton has 2122 states and 8080 transitions. Word has length 9 [2020-10-16 11:57:00,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:00,121 INFO L481 AbstractCegarLoop]: Abstraction has 2122 states and 8080 transitions. [2020-10-16 11:57:00,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:57:00,121 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 8080 transitions. [2020-10-16 11:57:00,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 11:57:00,124 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:00,124 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:57:00,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 11:57:00,125 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:57:00,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:00,125 INFO L82 PathProgramCache]: Analyzing trace with hash 35482932, now seen corresponding path program 1 times [2020-10-16 11:57:00,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:00,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917386035] [2020-10-16 11:57:00,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:00,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:00,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917386035] [2020-10-16 11:57:00,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:00,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 11:57:00,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401968527] [2020-10-16 11:57:00,203 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:57:00,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:00,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:57:00,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:57:00,204 INFO L87 Difference]: Start difference. First operand 2122 states and 8080 transitions. Second operand 3 states. [2020-10-16 11:57:00,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:00,228 INFO L93 Difference]: Finished difference Result 1930 states and 7248 transitions. [2020-10-16 11:57:00,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:57:00,229 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-16 11:57:00,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:00,246 INFO L225 Difference]: With dead ends: 1930 [2020-10-16 11:57:00,246 INFO L226 Difference]: Without dead ends: 1930 [2020-10-16 11:57:00,247 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 [2020-10-16 11:57:00,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1930 states. [2020-10-16 11:57:00,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1930 to 1930. [2020-10-16 11:57:00,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1930 states. [2020-10-16 11:57:00,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1930 states and 7248 transitions. [2020-10-16 11:57:00,325 INFO L78 Accepts]: Start accepts. Automaton has 1930 states and 7248 transitions. Word has length 11 [2020-10-16 11:57:00,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:00,325 INFO L481 AbstractCegarLoop]: Abstraction has 1930 states and 7248 transitions. [2020-10-16 11:57:00,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:57:00,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states and 7248 transitions. [2020-10-16 11:57:00,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 11:57:00,330 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:00,330 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:57:00,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 11:57:00,330 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:57:00,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:00,331 INFO L82 PathProgramCache]: Analyzing trace with hash -261685378, now seen corresponding path program 1 times [2020-10-16 11:57:00,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:00,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410421980] [2020-10-16 11:57:00,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:00,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:00,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410421980] [2020-10-16 11:57:00,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:00,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 11:57:00,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960413551] [2020-10-16 11:57:00,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:57:00,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:00,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:57:00,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:57:00,406 INFO L87 Difference]: Start difference. First operand 1930 states and 7248 transitions. Second operand 3 states. [2020-10-16 11:57:00,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:00,432 INFO L93 Difference]: Finished difference Result 1894 states and 7086 transitions. [2020-10-16 11:57:00,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:57:00,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-16 11:57:00,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:00,449 INFO L225 Difference]: With dead ends: 1894 [2020-10-16 11:57:00,450 INFO L226 Difference]: Without dead ends: 1894 [2020-10-16 11:57:00,450 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 [2020-10-16 11:57:00,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2020-10-16 11:57:00,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 1894. [2020-10-16 11:57:00,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1894 states. [2020-10-16 11:57:00,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 1894 states and 7086 transitions. [2020-10-16 11:57:00,521 INFO L78 Accepts]: Start accepts. Automaton has 1894 states and 7086 transitions. Word has length 13 [2020-10-16 11:57:00,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:00,522 INFO L481 AbstractCegarLoop]: Abstraction has 1894 states and 7086 transitions. [2020-10-16 11:57:00,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:57:00,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 7086 transitions. [2020-10-16 11:57:00,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 11:57:00,525 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:00,525 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:57:00,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 11:57:00,525 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:57:00,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:00,526 INFO L82 PathProgramCache]: Analyzing trace with hash 2068421009, now seen corresponding path program 1 times [2020-10-16 11:57:00,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:00,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277095060] [2020-10-16 11:57:00,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:00,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:00,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277095060] [2020-10-16 11:57:00,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:00,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 11:57:00,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186104045] [2020-10-16 11:57:00,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:57:00,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:00,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:57:00,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:57:00,589 INFO L87 Difference]: Start difference. First operand 1894 states and 7086 transitions. Second operand 3 states. [2020-10-16 11:57:00,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:00,627 INFO L93 Difference]: Finished difference Result 1810 states and 6742 transitions. [2020-10-16 11:57:00,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:57:00,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-10-16 11:57:00,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:00,643 INFO L225 Difference]: With dead ends: 1810 [2020-10-16 11:57:00,643 INFO L226 Difference]: Without dead ends: 1810 [2020-10-16 11:57:00,643 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 [2020-10-16 11:57:00,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1810 states. [2020-10-16 11:57:00,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1810 to 1810. [2020-10-16 11:57:00,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1810 states. [2020-10-16 11:57:00,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 1810 states and 6742 transitions. [2020-10-16 11:57:00,707 INFO L78 Accepts]: Start accepts. Automaton has 1810 states and 6742 transitions. Word has length 14 [2020-10-16 11:57:00,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:00,707 INFO L481 AbstractCegarLoop]: Abstraction has 1810 states and 6742 transitions. [2020-10-16 11:57:00,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:57:00,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 6742 transitions. [2020-10-16 11:57:00,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 11:57:00,713 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:00,716 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:57:00,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 11:57:00,716 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:57:00,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:00,716 INFO L82 PathProgramCache]: Analyzing trace with hash 2078114566, now seen corresponding path program 1 times [2020-10-16 11:57:00,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:00,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705110746] [2020-10-16 11:57:00,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:00,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:00,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705110746] [2020-10-16 11:57:00,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:00,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 11:57:00,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090178930] [2020-10-16 11:57:00,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:57:00,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:00,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:57:00,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:57:00,912 INFO L87 Difference]: Start difference. First operand 1810 states and 6742 transitions. Second operand 4 states. [2020-10-16 11:57:00,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:00,974 INFO L93 Difference]: Finished difference Result 1888 states and 6416 transitions. [2020-10-16 11:57:00,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:57:00,974 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-16 11:57:00,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:00,986 INFO L225 Difference]: With dead ends: 1888 [2020-10-16 11:57:00,986 INFO L226 Difference]: Without dead ends: 1408 [2020-10-16 11:57:00,987 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 [2020-10-16 11:57:00,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2020-10-16 11:57:01,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1408. [2020-10-16 11:57:01,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1408 states. [2020-10-16 11:57:01,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 4732 transitions. [2020-10-16 11:57:01,035 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 4732 transitions. Word has length 16 [2020-10-16 11:57:01,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:01,035 INFO L481 AbstractCegarLoop]: Abstraction has 1408 states and 4732 transitions. [2020-10-16 11:57:01,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:57:01,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 4732 transitions. [2020-10-16 11:57:01,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 11:57:01,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:01,039 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:57:01,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 11:57:01,040 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:57:01,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:01,040 INFO L82 PathProgramCache]: Analyzing trace with hash 940886619, now seen corresponding path program 1 times [2020-10-16 11:57:01,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:01,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460423153] [2020-10-16 11:57:01,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:01,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:01,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460423153] [2020-10-16 11:57:01,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:01,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 11:57:01,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997743621] [2020-10-16 11:57:01,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 11:57:01,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:01,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 11:57:01,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:57:01,239 INFO L87 Difference]: Start difference. First operand 1408 states and 4732 transitions. Second operand 5 states. [2020-10-16 11:57:01,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:01,328 INFO L93 Difference]: Finished difference Result 1235 states and 3825 transitions. [2020-10-16 11:57:01,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 11:57:01,329 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-16 11:57:01,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:01,337 INFO L225 Difference]: With dead ends: 1235 [2020-10-16 11:57:01,337 INFO L226 Difference]: Without dead ends: 935 [2020-10-16 11:57:01,337 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 11:57:01,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2020-10-16 11:57:01,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 935. [2020-10-16 11:57:01,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2020-10-16 11:57:01,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 2840 transitions. [2020-10-16 11:57:01,364 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 2840 transitions. Word has length 18 [2020-10-16 11:57:01,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:01,364 INFO L481 AbstractCegarLoop]: Abstraction has 935 states and 2840 transitions. [2020-10-16 11:57:01,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 11:57:01,364 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 2840 transitions. [2020-10-16 11:57:01,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-16 11:57:01,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:01,367 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:57:01,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 11:57:01,368 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:57:01,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:01,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1356517766, now seen corresponding path program 1 times [2020-10-16 11:57:01,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:01,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64804910] [2020-10-16 11:57:01,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:01,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:01,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64804910] [2020-10-16 11:57:01,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:01,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 11:57:01,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814269209] [2020-10-16 11:57:01,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 11:57:01,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:01,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 11:57:01,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 11:57:01,480 INFO L87 Difference]: Start difference. First operand 935 states and 2840 transitions. Second operand 6 states. [2020-10-16 11:57:01,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:01,546 INFO L93 Difference]: Finished difference Result 825 states and 2477 transitions. [2020-10-16 11:57:01,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 11:57:01,547 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-10-16 11:57:01,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:01,552 INFO L225 Difference]: With dead ends: 825 [2020-10-16 11:57:01,552 INFO L226 Difference]: Without dead ends: 726 [2020-10-16 11:57:01,553 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 [2020-10-16 11:57:01,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2020-10-16 11:57:01,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 726. [2020-10-16 11:57:01,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2020-10-16 11:57:01,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 2213 transitions. [2020-10-16 11:57:01,571 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 2213 transitions. Word has length 20 [2020-10-16 11:57:01,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:01,572 INFO L481 AbstractCegarLoop]: Abstraction has 726 states and 2213 transitions. [2020-10-16 11:57:01,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 11:57:01,572 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 2213 transitions. [2020-10-16 11:57:01,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-16 11:57:01,574 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:01,574 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] [2020-10-16 11:57:01,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 11:57:01,575 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:57:01,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:01,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1918261777, now seen corresponding path program 1 times [2020-10-16 11:57:01,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:01,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280271476] [2020-10-16 11:57:01,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:01,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:01,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280271476] [2020-10-16 11:57:01,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:01,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-16 11:57:01,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181223065] [2020-10-16 11:57:01,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-16 11:57:01,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:01,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-16 11:57:01,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-16 11:57:01,980 INFO L87 Difference]: Start difference. First operand 726 states and 2213 transitions. Second operand 11 states. [2020-10-16 11:57:02,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:02,541 INFO L93 Difference]: Finished difference Result 929 states and 2763 transitions. [2020-10-16 11:57:02,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-16 11:57:02,542 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2020-10-16 11:57:02,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:02,549 INFO L225 Difference]: With dead ends: 929 [2020-10-16 11:57:02,549 INFO L226 Difference]: Without dead ends: 847 [2020-10-16 11:57:02,550 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2020-10-16 11:57:02,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2020-10-16 11:57:02,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 765. [2020-10-16 11:57:02,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2020-10-16 11:57:02,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 2278 transitions. [2020-10-16 11:57:02,575 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 2278 transitions. Word has length 23 [2020-10-16 11:57:02,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:02,575 INFO L481 AbstractCegarLoop]: Abstraction has 765 states and 2278 transitions. [2020-10-16 11:57:02,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-16 11:57:02,575 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 2278 transitions. [2020-10-16 11:57:02,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-16 11:57:02,578 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:02,578 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] [2020-10-16 11:57:02,578 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 11:57:02,579 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:57:02,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:02,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1945167107, now seen corresponding path program 2 times [2020-10-16 11:57:02,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:02,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565940365] [2020-10-16 11:57:02,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:02,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:02,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565940365] [2020-10-16 11:57:02,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:02,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 11:57:02,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114840913] [2020-10-16 11:57:02,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 11:57:02,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:02,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 11:57:02,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:57:02,939 INFO L87 Difference]: Start difference. First operand 765 states and 2278 transitions. Second operand 7 states. [2020-10-16 11:57:03,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:03,179 INFO L93 Difference]: Finished difference Result 820 states and 2375 transitions. [2020-10-16 11:57:03,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-16 11:57:03,180 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-10-16 11:57:03,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:03,186 INFO L225 Difference]: With dead ends: 820 [2020-10-16 11:57:03,187 INFO L226 Difference]: Without dead ends: 774 [2020-10-16 11:57:03,187 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-16 11:57:03,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2020-10-16 11:57:03,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 726. [2020-10-16 11:57:03,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2020-10-16 11:57:03,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 2180 transitions. [2020-10-16 11:57:03,209 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 2180 transitions. Word has length 23 [2020-10-16 11:57:03,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:03,209 INFO L481 AbstractCegarLoop]: Abstraction has 726 states and 2180 transitions. [2020-10-16 11:57:03,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 11:57:03,210 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 2180 transitions. [2020-10-16 11:57:03,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-16 11:57:03,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:03,212 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] [2020-10-16 11:57:03,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 11:57:03,213 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:57:03,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:03,213 INFO L82 PathProgramCache]: Analyzing trace with hash 419801035, now seen corresponding path program 3 times [2020-10-16 11:57:03,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:03,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004244999] [2020-10-16 11:57:03,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:03,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:03,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004244999] [2020-10-16 11:57:03,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:03,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 11:57:03,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958654044] [2020-10-16 11:57:03,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 11:57:03,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:03,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 11:57:03,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:57:03,356 INFO L87 Difference]: Start difference. First operand 726 states and 2180 transitions. Second operand 7 states. [2020-10-16 11:57:03,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:03,431 INFO L93 Difference]: Finished difference Result 701 states and 2128 transitions. [2020-10-16 11:57:03,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 11:57:03,431 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-10-16 11:57:03,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:03,435 INFO L225 Difference]: With dead ends: 701 [2020-10-16 11:57:03,435 INFO L226 Difference]: Without dead ends: 589 [2020-10-16 11:57:03,435 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 [2020-10-16 11:57:03,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2020-10-16 11:57:03,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 589. [2020-10-16 11:57:03,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2020-10-16 11:57:03,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 1795 transitions. [2020-10-16 11:57:03,452 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 1795 transitions. Word has length 23 [2020-10-16 11:57:03,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:03,452 INFO L481 AbstractCegarLoop]: Abstraction has 589 states and 1795 transitions. [2020-10-16 11:57:03,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 11:57:03,453 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1795 transitions. [2020-10-16 11:57:03,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-16 11:57:03,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:03,455 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:57:03,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 11:57:03,456 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:57:03,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:03,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1974188671, now seen corresponding path program 1 times [2020-10-16 11:57:03,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:03,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602539200] [2020-10-16 11:57:03,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:03,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:03,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602539200] [2020-10-16 11:57:03,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:03,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 11:57:03,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746848580] [2020-10-16 11:57:03,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:57:03,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:03,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:57:03,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:57:03,509 INFO L87 Difference]: Start difference. First operand 589 states and 1795 transitions. Second operand 3 states. [2020-10-16 11:57:03,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:03,519 INFO L93 Difference]: Finished difference Result 807 states and 2391 transitions. [2020-10-16 11:57:03,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:57:03,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-16 11:57:03,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:03,523 INFO L225 Difference]: With dead ends: 807 [2020-10-16 11:57:03,523 INFO L226 Difference]: Without dead ends: 373 [2020-10-16 11:57:03,523 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 [2020-10-16 11:57:03,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2020-10-16 11:57:03,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2020-10-16 11:57:03,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-10-16 11:57:03,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 1021 transitions. [2020-10-16 11:57:03,534 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 1021 transitions. Word has length 26 [2020-10-16 11:57:03,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:03,534 INFO L481 AbstractCegarLoop]: Abstraction has 373 states and 1021 transitions. [2020-10-16 11:57:03,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:57:03,534 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 1021 transitions. [2020-10-16 11:57:03,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-16 11:57:03,536 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:03,536 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:57:03,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 11:57:03,536 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:57:03,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:03,537 INFO L82 PathProgramCache]: Analyzing trace with hash 294332599, now seen corresponding path program 2 times [2020-10-16 11:57:03,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:03,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229239335] [2020-10-16 11:57:03,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:57:03,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:57:03,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229239335] [2020-10-16 11:57:03,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:57:03,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 11:57:03,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260617886] [2020-10-16 11:57:03,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:57:03,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:57:03,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:57:03,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:57:03,593 INFO L87 Difference]: Start difference. First operand 373 states and 1021 transitions. Second operand 4 states. [2020-10-16 11:57:03,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:57:03,622 INFO L93 Difference]: Finished difference Result 487 states and 1311 transitions. [2020-10-16 11:57:03,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 11:57:03,623 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-10-16 11:57:03,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:57:03,625 INFO L225 Difference]: With dead ends: 487 [2020-10-16 11:57:03,625 INFO L226 Difference]: Without dead ends: 205 [2020-10-16 11:57:03,625 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:57:03,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-10-16 11:57:03,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2020-10-16 11:57:03,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-16 11:57:03,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 497 transitions. [2020-10-16 11:57:03,636 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 497 transitions. Word has length 26 [2020-10-16 11:57:03,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:57:03,636 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 497 transitions. [2020-10-16 11:57:03,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:57:03,637 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 497 transitions. [2020-10-16 11:57:03,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-16 11:57:03,639 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:57:03,639 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:57:03,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 11:57:03,639 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:57:03,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:57:03,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1948896009, now seen corresponding path program 3 times [2020-10-16 11:57:03,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:57:03,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977532304] [2020-10-16 11:57:03,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:57:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 11:57:03,704 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 11:57:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 11:57:03,755 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 11:57:03,818 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 11:57:03,818 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 11:57:03,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 11:57:03,820 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 11:57:03,847 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1199] [1199] L2-->L876: Formula: (let ((.cse6 (= (mod ~z$w_buff1_used~0_In1157929031 256) 0)) (.cse7 (= (mod ~z$r_buff1_thd0~0_In1157929031 256) 0)) (.cse9 (= (mod ~z$r_buff0_thd0~0_In1157929031 256) 0)) (.cse8 (= (mod ~z$w_buff0_used~0_In1157929031 256) 0))) (let ((.cse0 (not .cse8)) (.cse1 (not .cse9)) (.cse5 (or .cse8 .cse9)) (.cse4 (or .cse6 .cse7)) (.cse2 (not .cse7)) (.cse3 (not .cse6))) (and (= ~z$r_buff0_thd0~0_In1157929031 ~z$r_buff0_thd0~0_Out1157929031) (= ~z$r_buff1_thd0~0_Out1157929031 ~z$r_buff1_thd0~0_In1157929031) (or (and (= ~z~0_Out1157929031 ~z$w_buff0~0_In1157929031) .cse0 .cse1) (and (or (and (= ~z$w_buff1~0_In1157929031 ~z~0_Out1157929031) .cse2 .cse3) (and .cse4 (= ~z~0_In1157929031 ~z~0_Out1157929031))) .cse5)) (or (and (= ~z$w_buff0_used~0_Out1157929031 0) .cse0 .cse1) (and (= ~z$w_buff0_used~0_Out1157929031 ~z$w_buff0_used~0_In1157929031) .cse5)) (or (and (= ~z$w_buff1_used~0_Out1157929031 ~z$w_buff1_used~0_In1157929031) .cse4) (and .cse2 .cse3 (= ~z$w_buff1_used~0_Out1157929031 0))) (= ULTIMATE.start_assume_abort_if_not_~cond_Out1157929031 |ULTIMATE.start_assume_abort_if_not_#in~cond_In1157929031|) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out1157929031 0))))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In1157929031|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In1157929031, ~z$w_buff0_used~0=~z$w_buff0_used~0_In1157929031, ~z$w_buff0~0=~z$w_buff0~0_In1157929031, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In1157929031, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1157929031, ~z$w_buff1~0=~z$w_buff1~0_In1157929031, ~z~0=~z~0_In1157929031} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_Out1157929031, ~z$w_buff0~0=~z$w_buff0~0_In1157929031, ~z$w_buff1_used~0=~z$w_buff1_used~0_Out1157929031, ULTIMATE.start_main_#t~ite58=|ULTIMATE.start_main_#t~ite58_Out1157929031|, ~z$w_buff1~0=~z$w_buff1~0_In1157929031, ULTIMATE.start_main_#t~ite59=|ULTIMATE.start_main_#t~ite59_Out1157929031|, ULTIMATE.start_main_#t~ite62=|ULTIMATE.start_main_#t~ite62_Out1157929031|, ULTIMATE.start_main_#t~ite63=|ULTIMATE.start_main_#t~ite63_Out1157929031|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In1157929031|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_Out1157929031, ULTIMATE.start_main_#t~ite60=|ULTIMATE.start_main_#t~ite60_Out1157929031|, ULTIMATE.start_main_#t~ite61=|ULTIMATE.start_main_#t~ite61_Out1157929031|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out1157929031, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_Out1157929031, ~z~0=~z~0_Out1157929031} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite62, ULTIMATE.start_main_#t~ite63, ~z$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite60, ULTIMATE.start_main_#t~ite61, ULTIMATE.start_assume_abort_if_not_~cond, ~z$w_buff0_used~0, ~z$r_buff1_thd0~0, ~z$w_buff1_used~0, ULTIMATE.start_main_#t~ite58, ULTIMATE.start_main_#t~ite59, ~z~0] because there is no mapped edge [2020-10-16 11:57:03,863 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,864 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,864 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,865 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,865 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,865 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,865 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,865 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,865 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,866 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,866 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,866 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,866 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,866 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,867 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,867 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,868 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,868 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,868 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,868 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,868 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,868 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,869 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,869 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,869 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,869 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,869 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,869 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,877 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,878 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,878 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,878 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,879 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,879 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,879 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,879 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,879 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,879 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,880 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,880 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,880 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,880 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,881 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,881 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,881 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,881 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,882 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,882 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,882 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,882 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,882 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,882 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,883 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,883 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,883 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,883 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,883 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,884 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,884 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,884 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,884 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,884 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,884 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 11:57:03,885 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 11:57:03,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:57:03 BasicIcfg [2020-10-16 11:57:03,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 11:57:03,992 INFO L168 Benchmark]: Toolchain (without parser) took 11966.56 ms. Allocated memory was 138.4 MB in the beginning and 416.8 MB in the end (delta: 278.4 MB). Free memory was 99.8 MB in the beginning and 161.3 MB in the end (delta: -61.5 MB). Peak memory consumption was 216.9 MB. Max. memory is 7.1 GB. [2020-10-16 11:57:03,995 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 11:57:03,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 809.74 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 99.6 MB in the beginning and 150.6 MB in the end (delta: -51.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2020-10-16 11:57:03,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.82 ms. Allocated memory is still 200.8 MB. Free memory was 150.6 MB in the beginning and 147.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-16 11:57:03,998 INFO L168 Benchmark]: Boogie Preprocessor took 77.39 ms. Allocated memory is still 200.8 MB. Free memory was 147.7 MB in the beginning and 144.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-16 11:57:03,998 INFO L168 Benchmark]: RCFGBuilder took 2790.42 ms. Allocated memory was 200.8 MB in the beginning and 250.1 MB in the end (delta: 49.3 MB). Free memory was 144.9 MB in the beginning and 117.4 MB in the end (delta: 27.5 MB). Peak memory consumption was 100.9 MB. Max. memory is 7.1 GB. [2020-10-16 11:57:04,001 INFO L168 Benchmark]: TraceAbstraction took 8206.32 ms. Allocated memory was 250.1 MB in the beginning and 416.8 MB in the end (delta: 166.7 MB). Free memory was 117.4 MB in the beginning and 161.3 MB in the end (delta: -44.0 MB). Peak memory consumption was 122.8 MB. Max. memory is 7.1 GB. [2020-10-16 11:57:04,005 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 809.74 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 99.6 MB in the beginning and 150.6 MB in the end (delta: -51.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 73.82 ms. Allocated memory is still 200.8 MB. Free memory was 150.6 MB in the beginning and 147.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 77.39 ms. Allocated memory is still 200.8 MB. Free memory was 147.7 MB in the beginning and 144.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2790.42 ms. Allocated memory was 200.8 MB in the beginning and 250.1 MB in the end (delta: 49.3 MB). Free memory was 144.9 MB in the beginning and 117.4 MB in the end (delta: 27.5 MB). Peak memory consumption was 100.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8206.32 ms. Allocated memory was 250.1 MB in the beginning and 416.8 MB in the end (delta: 166.7 MB). Free memory was 117.4 MB in the beginning and 161.3 MB in the end (delta: -44.0 MB). Peak memory consumption was 122.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1279 VarBasedMoverChecksPositive, 46 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 119 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.9s, 123 PlacesBefore, 45 PlacesAfterwards, 112 TransitionsBefore, 32 TransitionsAfterwards, 2446 CoEnabledTransitionPairs, 7 FixpointIterations, 38 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 92 TotalNumberOfCompositions, 7121 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L699] 0 int __unbuffered_cnt = 0; [L701] 0 int __unbuffered_p1_EAX = 0; [L703] 0 int __unbuffered_p2_EAX = 0; [L705] 0 int __unbuffered_p2_EBX = 0; [L707] 0 int __unbuffered_p3_EAX = 0; [L709] 0 int __unbuffered_p3_EBX = 0; [L711] 0 int a = 0; [L712] 0 _Bool main$tmp_guard0; [L713] 0 _Bool main$tmp_guard1; [L715] 0 int x = 0; [L717] 0 int y = 0; [L719] 0 int z = 0; [L720] 0 _Bool z$flush_delayed; [L721] 0 int z$mem_tmp; [L722] 0 _Bool z$r_buff0_thd0; [L723] 0 _Bool z$r_buff0_thd1; [L724] 0 _Bool z$r_buff0_thd2; [L725] 0 _Bool z$r_buff0_thd3; [L726] 0 _Bool z$r_buff0_thd4; [L727] 0 _Bool z$r_buff1_thd0; [L728] 0 _Bool z$r_buff1_thd1; [L729] 0 _Bool z$r_buff1_thd2; [L730] 0 _Bool z$r_buff1_thd3; [L731] 0 _Bool z$r_buff1_thd4; [L732] 0 _Bool z$read_delayed; [L733] 0 int *z$read_delayed_var; [L734] 0 int z$w_buff0; [L735] 0 _Bool z$w_buff0_used; [L736] 0 int z$w_buff1; [L737] 0 _Bool z$w_buff1_used; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L858] 0 pthread_t t125; [L859] FCALL, FORK 0 pthread_create(&t125, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L860] 0 pthread_t t126; [L861] FCALL, FORK 0 pthread_create(&t126, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L862] 0 pthread_t t127; [L863] FCALL, FORK 0 pthread_create(&t127, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L864] 0 pthread_t t128; [L865] FCALL, FORK 0 pthread_create(&t128, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L804] 4 z$w_buff1 = z$w_buff0 [L805] 4 z$w_buff0 = 1 [L806] 4 z$w_buff1_used = z$w_buff0_used [L807] 4 z$w_buff0_used = (_Bool)1 [L7] COND FALSE 4 !(!expression) [L809] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L810] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L811] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L812] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L813] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L814] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L817] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L818] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L819] 4 z$flush_delayed = weak$$choice2 [L820] 4 z$mem_tmp = z [L821] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L821] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1 [L821] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L821] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L822] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L822] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0) [L822] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L822] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L823] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L823] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1) [L823] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L823] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L824] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L824] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L825] EXPR 4 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L825] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L826] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L826] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4) [L826] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L826] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4) [L826] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L826] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L827] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L827] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L828] 4 __unbuffered_p3_EAX = z [L829] EXPR 4 z$flush_delayed ? z$mem_tmp : z [L829] 4 z = z$flush_delayed ? z$mem_tmp : z [L830] 4 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L833] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L743] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L746] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L758] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L761] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L751] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L753] 1 return 0; [L766] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L768] 2 return 0; [L773] 3 y = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L776] 3 __unbuffered_p2_EAX = y VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L779] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L780] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L781] 3 z$flush_delayed = weak$$choice2 [L782] 3 z$mem_tmp = z [L783] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L783] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1 [L783] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L783] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L784] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L784] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L784] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L784] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L785] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L785] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L785] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1 [L785] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L785] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L785] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L786] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L786] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L787] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L787] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L787] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L787] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L788] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L788] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L789] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L789] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L790] 3 __unbuffered_p2_EBX = z [L791] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L791] 3 z = z$flush_delayed ? z$mem_tmp : z [L792] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=10, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L836] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L836] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L837] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L837] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L838] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L838] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L839] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L839] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L840] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L840] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L797] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L799] 3 return 0; [L843] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L845] 4 return 0; [L867] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L878] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=10, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 111 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.8s, OverallIterations: 13, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 385 SDtfs, 494 SDslu, 830 SDs, 0 SdLazy, 461 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3002occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 20754 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...