/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/mix024_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:30:49,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:30:49,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:30:49,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:30:49,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:30:49,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:30:49,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:30:49,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:30:49,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:30:49,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:30:49,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:30:49,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:30:49,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:30:49,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:30:49,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:30:49,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:30:49,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:30:49,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:30:49,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:30:49,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:30:49,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:30:49,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:30:49,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:30:49,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:30:49,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 23:30:49,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:30:49,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:30:49,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:30:49,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:30:49,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:30:49,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:30:49,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:30:49,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:30:49,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:30:49,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:30:49,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:30:49,783 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-05 23:30:49,828 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:30:49,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:30:49,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:30:49,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:30:49,829 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:30:49,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:30:49,830 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:30:49,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:30:49,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:30:49,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:30:49,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:30:49,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:30:49,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:30:49,832 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:30:49,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:30:49,832 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:30:49,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:30:49,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:30:49,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:30:49,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:30:49,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:30:49,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:30:49,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:30:49,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:30:49,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:30:49,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:30:49,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:30:49,835 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:30:49,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:30:50,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:30:50,152 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:30:50,156 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:30:50,158 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:30:50,158 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:30:50,159 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix024_rmo.oepc.i [2020-10-05 23:30:50,227 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44481e21e/ff627fd4266948cbbbf0c5e791631e7e/FLAG597837186 [2020-10-05 23:30:50,742 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:30:50,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix024_rmo.oepc.i [2020-10-05 23:30:50,771 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44481e21e/ff627fd4266948cbbbf0c5e791631e7e/FLAG597837186 [2020-10-05 23:30:51,115 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44481e21e/ff627fd4266948cbbbf0c5e791631e7e [2020-10-05 23:30:51,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:30:51,128 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:30:51,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:30:51,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:30:51,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:30:51,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:30:51" (1/1) ... [2020-10-05 23:30:51,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d75f09a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:51, skipping insertion in model container [2020-10-05 23:30:51,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:30:51" (1/1) ... [2020-10-05 23:30:51,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:30:51,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:30:51,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:30:51,686 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:30:51,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:30:51,851 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:30:51,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:51 WrapperNode [2020-10-05 23:30:51,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:30:51,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:30:51,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:30:51,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:30:51,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:51" (1/1) ... [2020-10-05 23:30:51,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:51" (1/1) ... [2020-10-05 23:30:51,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:30:51,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:30:51,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:30:51,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:30:51,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:51" (1/1) ... [2020-10-05 23:30:51,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:51" (1/1) ... [2020-10-05 23:30:51,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:51" (1/1) ... [2020-10-05 23:30:51,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:51" (1/1) ... [2020-10-05 23:30:51,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:51" (1/1) ... [2020-10-05 23:30:51,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:51" (1/1) ... [2020-10-05 23:30:51,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:51" (1/1) ... [2020-10-05 23:30:51,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:30:51,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:30:51,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:30:51,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:30:51,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:30:52,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:30:52,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 23:30:52,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:30:52,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:30:52,016 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 23:30:52,017 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 23:30:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 23:30:52,017 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 23:30:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-05 23:30:52,017 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-05 23:30:52,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 23:30:52,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:30:52,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:30:52,020 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:30:53,933 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:30:53,934 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-05 23:30:53,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:30:53 BoogieIcfgContainer [2020-10-05 23:30:53,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:30:53,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:30:53,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:30:53,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:30:53,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:30:51" (1/3) ... [2020-10-05 23:30:53,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c73703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:30:53, skipping insertion in model container [2020-10-05 23:30:53,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:30:51" (2/3) ... [2020-10-05 23:30:53,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c73703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:30:53, skipping insertion in model container [2020-10-05 23:30:53,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:30:53" (3/3) ... [2020-10-05 23:30:53,944 INFO L109 eAbstractionObserver]: Analyzing ICFG mix024_rmo.oepc.i [2020-10-05 23:30:53,954 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:30:53,954 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:30:53,964 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-05 23:30:53,965 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:30:54,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,007 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,007 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,008 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,008 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,008 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,008 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,009 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,009 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,009 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,009 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,009 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,010 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,010 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,010 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,011 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,011 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,012 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,015 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,015 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,016 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,016 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,016 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,016 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,016 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,017 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,017 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,020 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,021 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,021 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,022 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,023 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,024 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,024 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,024 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,024 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,024 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,024 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,025 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,025 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,025 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,025 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,025 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,025 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,026 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,026 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,027 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,027 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,027 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,027 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,027 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,043 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,043 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,043 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,044 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,044 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,044 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,047 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,049 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,049 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,049 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,051 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,051 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,052 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,052 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,052 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,052 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,052 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,057 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,057 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,057 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,057 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,058 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,058 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,058 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,058 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,058 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,059 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,059 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,060 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:30:54,073 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-05 23:30:54,093 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:30:54,094 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:30:54,094 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:30:54,094 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:30:54,094 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:30:54,094 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:30:54,094 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:30:54,094 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:30:54,109 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 99 transitions, 213 flow [2020-10-05 23:30:54,112 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 213 flow [2020-10-05 23:30:54,160 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2020-10-05 23:30:54,160 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:30:54,164 INFO L80 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2020-10-05 23:30:54,168 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 213 flow [2020-10-05 23:30:54,194 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2020-10-05 23:30:54,197 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:30:54,198 INFO L80 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2020-10-05 23:30:54,199 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1928 [2020-10-05 23:30:54,200 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:30:54,788 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-05 23:30:56,767 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2020-10-05 23:30:56,889 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-05 23:30:56,898 INFO L206 etLargeBlockEncoding]: Checked pairs total: 5181 [2020-10-05 23:30:56,898 INFO L214 etLargeBlockEncoding]: Total number of compositions: 82 [2020-10-05 23:30:56,902 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 29 transitions, 73 flow [2020-10-05 23:30:56,997 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1136 states. [2020-10-05 23:30:56,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states. [2020-10-05 23:30:57,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-05 23:30:57,010 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:30:57,011 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-05 23:30:57,012 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:30:57,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:30:57,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1064854, now seen corresponding path program 1 times [2020-10-05 23:30:57,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:30:57,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111651731] [2020-10-05 23:30:57,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:30:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:30:57,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:30:57,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111651731] [2020-10-05 23:30:57,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:30:57,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:30:57,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899358033] [2020-10-05 23:30:57,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:30:57,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:30:57,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:30:57,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:30:57,290 INFO L87 Difference]: Start difference. First operand 1136 states. Second operand 3 states. [2020-10-05 23:30:57,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:30:57,379 INFO L93 Difference]: Finished difference Result 974 states and 3122 transitions. [2020-10-05 23:30:57,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:30:57,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-05 23:30:57,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:30:57,409 INFO L225 Difference]: With dead ends: 974 [2020-10-05 23:30:57,409 INFO L226 Difference]: Without dead ends: 794 [2020-10-05 23:30:57,411 INFO L675 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 [2020-10-05 23:30:57,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2020-10-05 23:30:57,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 794. [2020-10-05 23:30:57,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 794 states. [2020-10-05 23:30:57,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 2498 transitions. [2020-10-05 23:30:57,531 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 2498 transitions. Word has length 3 [2020-10-05 23:30:57,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:30:57,531 INFO L479 AbstractCegarLoop]: Abstraction has 794 states and 2498 transitions. [2020-10-05 23:30:57,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:30:57,531 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 2498 transitions. [2020-10-05 23:30:57,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-05 23:30:57,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:30:57,533 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:30:57,533 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:30:57,534 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:30:57,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:30:57,534 INFO L82 PathProgramCache]: Analyzing trace with hash 2071177859, now seen corresponding path program 1 times [2020-10-05 23:30:57,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:30:57,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152054319] [2020-10-05 23:30:57,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:30:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:30:57,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:30:57,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152054319] [2020-10-05 23:30:57,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:30:57,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:30:57,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356309653] [2020-10-05 23:30:57,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:30:57,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:30:57,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:30:57,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:30:57,658 INFO L87 Difference]: Start difference. First operand 794 states and 2498 transitions. Second operand 3 states. [2020-10-05 23:30:57,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:30:57,677 INFO L93 Difference]: Finished difference Result 734 states and 2280 transitions. [2020-10-05 23:30:57,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:30:57,679 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-05 23:30:57,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:30:57,685 INFO L225 Difference]: With dead ends: 734 [2020-10-05 23:30:57,685 INFO L226 Difference]: Without dead ends: 734 [2020-10-05 23:30:57,686 INFO L675 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 [2020-10-05 23:30:57,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2020-10-05 23:30:57,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 734. [2020-10-05 23:30:57,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-10-05 23:30:57,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 2280 transitions. [2020-10-05 23:30:57,720 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 2280 transitions. Word has length 9 [2020-10-05 23:30:57,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:30:57,722 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 2280 transitions. [2020-10-05 23:30:57,722 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:30:57,722 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 2280 transitions. [2020-10-05 23:30:57,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-05 23:30:57,724 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:30:57,724 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:30:57,725 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:30:57,725 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:30:57,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:30:57,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1781673778, now seen corresponding path program 1 times [2020-10-05 23:30:57,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:30:57,726 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991097166] [2020-10-05 23:30:57,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:30:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:30:57,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:30:57,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991097166] [2020-10-05 23:30:57,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:30:57,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:30:57,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145424407] [2020-10-05 23:30:57,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:30:57,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:30:57,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:30:57,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:30:57,805 INFO L87 Difference]: Start difference. First operand 734 states and 2280 transitions. Second operand 3 states. [2020-10-05 23:30:57,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:30:57,816 INFO L93 Difference]: Finished difference Result 694 states and 2138 transitions. [2020-10-05 23:30:57,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:30:57,817 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-05 23:30:57,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:30:57,822 INFO L225 Difference]: With dead ends: 694 [2020-10-05 23:30:57,822 INFO L226 Difference]: Without dead ends: 694 [2020-10-05 23:30:57,823 INFO L675 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 [2020-10-05 23:30:57,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2020-10-05 23:30:57,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 694. [2020-10-05 23:30:57,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 694 states. [2020-10-05 23:30:57,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 2138 transitions. [2020-10-05 23:30:57,846 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 2138 transitions. Word has length 11 [2020-10-05 23:30:57,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:30:57,846 INFO L479 AbstractCegarLoop]: Abstraction has 694 states and 2138 transitions. [2020-10-05 23:30:57,847 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:30:57,847 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 2138 transitions. [2020-10-05 23:30:57,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:30:57,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:30:57,850 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:30:57,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:30:57,850 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:30:57,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:30:57,851 INFO L82 PathProgramCache]: Analyzing trace with hash 881233380, now seen corresponding path program 1 times [2020-10-05 23:30:57,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:30:57,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756489537] [2020-10-05 23:30:57,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:30:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:30:57,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:30:57,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756489537] [2020-10-05 23:30:57,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:30:57,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:30:57,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393574812] [2020-10-05 23:30:57,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:30:57,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:30:57,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:30:57,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:30:57,950 INFO L87 Difference]: Start difference. First operand 694 states and 2138 transitions. Second operand 4 states. [2020-10-05 23:30:57,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:30:57,997 INFO L93 Difference]: Finished difference Result 638 states and 1738 transitions. [2020-10-05 23:30:57,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:30:57,998 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-05 23:30:57,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:30:58,001 INFO L225 Difference]: With dead ends: 638 [2020-10-05 23:30:58,001 INFO L226 Difference]: Without dead ends: 458 [2020-10-05 23:30:58,001 INFO L675 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 [2020-10-05 23:30:58,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2020-10-05 23:30:58,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2020-10-05 23:30:58,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-10-05 23:30:58,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 1194 transitions. [2020-10-05 23:30:58,015 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 1194 transitions. Word has length 13 [2020-10-05 23:30:58,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:30:58,016 INFO L479 AbstractCegarLoop]: Abstraction has 458 states and 1194 transitions. [2020-10-05 23:30:58,016 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:30:58,016 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 1194 transitions. [2020-10-05 23:30:58,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-05 23:30:58,017 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:30:58,017 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:30:58,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:30:58,018 INFO L427 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:30:58,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:30:58,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1127431548, now seen corresponding path program 1 times [2020-10-05 23:30:58,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:30:58,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014936022] [2020-10-05 23:30:58,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:30:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:30:58,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:30:58,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014936022] [2020-10-05 23:30:58,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:30:58,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:30:58,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130446810] [2020-10-05 23:30:58,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:30:58,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:30:58,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:30:58,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:30:58,217 INFO L87 Difference]: Start difference. First operand 458 states and 1194 transitions. Second operand 5 states. [2020-10-05 23:30:58,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:30:58,282 INFO L93 Difference]: Finished difference Result 375 states and 914 transitions. [2020-10-05 23:30:58,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:30:58,284 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-05 23:30:58,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:30:58,286 INFO L225 Difference]: With dead ends: 375 [2020-10-05 23:30:58,286 INFO L226 Difference]: Without dead ends: 295 [2020-10-05 23:30:58,286 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:30:58,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-10-05 23:30:58,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2020-10-05 23:30:58,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-10-05 23:30:58,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 705 transitions. [2020-10-05 23:30:58,295 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 705 transitions. Word has length 16 [2020-10-05 23:30:58,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:30:58,295 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 705 transitions. [2020-10-05 23:30:58,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:30:58,296 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 705 transitions. [2020-10-05 23:30:58,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-05 23:30:58,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:30:58,298 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:30:58,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:30:58,298 INFO L427 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:30:58,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:30:58,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1292002426, now seen corresponding path program 1 times [2020-10-05 23:30:58,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:30:58,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799531237] [2020-10-05 23:30:58,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:30:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:30:58,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:30:58,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799531237] [2020-10-05 23:30:58,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:30:58,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:30:58,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258088602] [2020-10-05 23:30:58,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:30:58,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:30:58,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:30:58,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:30:58,513 INFO L87 Difference]: Start difference. First operand 295 states and 705 transitions. Second operand 6 states. [2020-10-05 23:30:58,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:30:58,666 INFO L93 Difference]: Finished difference Result 458 states and 1045 transitions. [2020-10-05 23:30:58,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:30:58,667 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-05 23:30:58,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:30:58,670 INFO L225 Difference]: With dead ends: 458 [2020-10-05 23:30:58,670 INFO L226 Difference]: Without dead ends: 395 [2020-10-05 23:30:58,670 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:30:58,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-10-05 23:30:58,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 348. [2020-10-05 23:30:58,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2020-10-05 23:30:58,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 818 transitions. [2020-10-05 23:30:58,684 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 818 transitions. Word has length 19 [2020-10-05 23:30:58,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:30:58,684 INFO L479 AbstractCegarLoop]: Abstraction has 348 states and 818 transitions. [2020-10-05 23:30:58,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:30:58,684 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 818 transitions. [2020-10-05 23:30:58,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-05 23:30:58,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:30:58,686 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:30:58,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 23:30:58,686 INFO L427 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:30:58,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:30:58,686 INFO L82 PathProgramCache]: Analyzing trace with hash -690337944, now seen corresponding path program 2 times [2020-10-05 23:30:58,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:30:58,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136158585] [2020-10-05 23:30:58,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:30:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:30:58,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:30:58,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136158585] [2020-10-05 23:30:58,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:30:58,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 23:30:58,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494914442] [2020-10-05 23:30:58,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:30:58,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:30:58,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:30:58,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:30:58,801 INFO L87 Difference]: Start difference. First operand 348 states and 818 transitions. Second operand 6 states. [2020-10-05 23:30:58,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:30:58,850 INFO L93 Difference]: Finished difference Result 325 states and 767 transitions. [2020-10-05 23:30:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:30:58,850 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-05 23:30:58,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:30:58,853 INFO L225 Difference]: With dead ends: 325 [2020-10-05 23:30:58,853 INFO L226 Difference]: Without dead ends: 287 [2020-10-05 23:30:58,853 INFO L675 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 [2020-10-05 23:30:58,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-05 23:30:58,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2020-10-05 23:30:58,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-10-05 23:30:58,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 688 transitions. [2020-10-05 23:30:58,862 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 688 transitions. Word has length 19 [2020-10-05 23:30:58,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:30:58,862 INFO L479 AbstractCegarLoop]: Abstraction has 287 states and 688 transitions. [2020-10-05 23:30:58,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:30:58,862 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 688 transitions. [2020-10-05 23:30:58,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-05 23:30:58,863 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:30:58,864 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] [2020-10-05 23:30:58,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:30:58,864 INFO L427 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:30:58,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:30:58,864 INFO L82 PathProgramCache]: Analyzing trace with hash -204683042, now seen corresponding path program 1 times [2020-10-05 23:30:58,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:30:58,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712624518] [2020-10-05 23:30:58,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:30:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:30:58,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:30:58,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712624518] [2020-10-05 23:30:58,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:30:58,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:30:58,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70106945] [2020-10-05 23:30:58,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:30:58,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:30:58,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:30:58,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:30:58,918 INFO L87 Difference]: Start difference. First operand 287 states and 688 transitions. Second operand 3 states. [2020-10-05 23:30:58,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:30:58,929 INFO L93 Difference]: Finished difference Result 391 states and 921 transitions. [2020-10-05 23:30:58,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:30:58,929 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-10-05 23:30:58,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:30:58,931 INFO L225 Difference]: With dead ends: 391 [2020-10-05 23:30:58,931 INFO L226 Difference]: Without dead ends: 227 [2020-10-05 23:30:58,931 INFO L675 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 [2020-10-05 23:30:58,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-05 23:30:58,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2020-10-05 23:30:58,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-10-05 23:30:58,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 522 transitions. [2020-10-05 23:30:58,938 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 522 transitions. Word has length 23 [2020-10-05 23:30:58,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:30:58,938 INFO L479 AbstractCegarLoop]: Abstraction has 227 states and 522 transitions. [2020-10-05 23:30:58,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:30:58,938 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 522 transitions. [2020-10-05 23:30:58,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-05 23:30:58,939 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:30:58,939 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] [2020-10-05 23:30:58,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-05 23:30:58,940 INFO L427 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:30:58,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:30:58,940 INFO L82 PathProgramCache]: Analyzing trace with hash -697099428, now seen corresponding path program 2 times [2020-10-05 23:30:58,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:30:58,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428389648] [2020-10-05 23:30:58,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:30:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:30:59,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:30:59,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428389648] [2020-10-05 23:30:59,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:30:59,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 23:30:59,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641256542] [2020-10-05 23:30:59,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 23:30:59,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:30:59,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 23:30:59,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:30:59,224 INFO L87 Difference]: Start difference. First operand 227 states and 522 transitions. Second operand 7 states. [2020-10-05 23:30:59,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:30:59,449 INFO L93 Difference]: Finished difference Result 287 states and 642 transitions. [2020-10-05 23:30:59,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:30:59,450 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-10-05 23:30:59,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:30:59,451 INFO L225 Difference]: With dead ends: 287 [2020-10-05 23:30:59,451 INFO L226 Difference]: Without dead ends: 227 [2020-10-05 23:30:59,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-05 23:30:59,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-05 23:30:59,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 151. [2020-10-05 23:30:59,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-10-05 23:30:59,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 339 transitions. [2020-10-05 23:30:59,457 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 339 transitions. Word has length 23 [2020-10-05 23:30:59,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:30:59,457 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 339 transitions. [2020-10-05 23:30:59,457 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 23:30:59,458 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 339 transitions. [2020-10-05 23:30:59,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-05 23:30:59,458 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:30:59,458 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] [2020-10-05 23:30:59,459 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-05 23:30:59,459 INFO L427 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:30:59,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:30:59,459 INFO L82 PathProgramCache]: Analyzing trace with hash -91598530, now seen corresponding path program 3 times [2020-10-05 23:30:59,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:30:59,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824146596] [2020-10-05 23:30:59,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:30:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:30:59,514 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:30:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:30:59,563 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:30:59,629 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-05 23:30:59,629 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-05 23:30:59,629 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-05 23:30:59,630 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-05 23:30:59,652 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [1031] [1031] L846-->L853: Formula: (let ((.cse6 (= (mod ~a$r_buff1_thd0~0_In977741212 256) 0)) (.cse7 (= (mod ~a$w_buff1_used~0_In977741212 256) 0)) (.cse9 (= (mod ~a$w_buff0_used~0_In977741212 256) 0)) (.cse8 (= (mod ~a$r_buff0_thd0~0_In977741212 256) 0))) (let ((.cse4 (not .cse8)) (.cse5 (not .cse9)) (.cse0 (or .cse8 .cse9)) (.cse1 (not .cse7)) (.cse2 (not .cse6)) (.cse3 (or .cse6 .cse7))) (and (= |ULTIMATE.start_assume_abort_if_not_#in~cond_In977741212| ULTIMATE.start_assume_abort_if_not_~cond_Out977741212) (or (and .cse0 (or (and (= ~a$w_buff1~0_In977741212 ~a~0_Out977741212) .cse1 .cse2) (and .cse3 (= ~a~0_In977741212 ~a~0_Out977741212)))) (and (= ~a$w_buff0~0_In977741212 ~a~0_Out977741212) .cse4 .cse5)) (not (= 0 ULTIMATE.start_assume_abort_if_not_~cond_Out977741212)) (= ~a$r_buff1_thd0~0_In977741212 ~a$r_buff1_thd0~0_Out977741212) (= ~a$r_buff0_thd0~0_In977741212 ~a$r_buff0_thd0~0_Out977741212) (or (and .cse4 (= ~a$w_buff0_used~0_Out977741212 0) .cse5) (and (= ~a$w_buff0_used~0_In977741212 ~a$w_buff0_used~0_Out977741212) .cse0)) (or (and .cse1 (= ~a$w_buff1_used~0_Out977741212 0) .cse2) (and .cse3 (= ~a$w_buff1_used~0_In977741212 ~a$w_buff1_used~0_Out977741212)))))) InVars {~a~0=~a~0_In977741212, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In977741212|, ~a$w_buff1~0=~a$w_buff1~0_In977741212, ~a$w_buff0~0=~a$w_buff0~0_In977741212, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_In977741212, ~a$w_buff0_used~0=~a$w_buff0_used~0_In977741212, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_In977741212, ~a$w_buff1_used~0=~a$w_buff1_used~0_In977741212} OutVars{ULTIMATE.start_main_#t~ite47=|ULTIMATE.start_main_#t~ite47_Out977741212|, ~a$w_buff0_used~0=~a$w_buff0_used~0_Out977741212, ULTIMATE.start_main_#t~ite46=|ULTIMATE.start_main_#t~ite46_Out977741212|, ULTIMATE.start_main_#t~ite49=|ULTIMATE.start_main_#t~ite49_Out977741212|, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_Out977741212, ULTIMATE.start_main_#t~ite48=|ULTIMATE.start_main_#t~ite48_Out977741212|, ULTIMATE.start_main_#t~ite50=|ULTIMATE.start_main_#t~ite50_Out977741212|, ~a~0=~a~0_Out977741212, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In977741212|, ULTIMATE.start_main_#t~ite51=|ULTIMATE.start_main_#t~ite51_Out977741212|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out977741212, ~a$w_buff1~0=~a$w_buff1~0_In977741212, ~a$w_buff0~0=~a$w_buff0~0_In977741212, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_Out977741212, ~a$w_buff1_used~0=~a$w_buff1_used~0_Out977741212} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite50, ~a~0, ULTIMATE.start_main_#t~ite51, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~ite47, ~a$r_buff1_thd0~0, ~a$w_buff0_used~0, ULTIMATE.start_main_#t~ite46, ULTIMATE.start_main_#t~ite49, ~a$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite48, ~a$w_buff1_used~0] because there is no mapped edge [2020-10-05 23:30:59,657 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,658 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,660 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,660 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,660 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,660 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,660 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,660 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,661 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,661 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,661 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,661 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,662 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,662 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,662 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,662 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,662 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,663 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,663 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,663 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,663 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,663 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,664 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,664 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,664 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,664 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,664 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,664 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,664 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,665 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,665 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,665 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,665 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,665 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,665 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,666 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,666 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,666 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,666 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,666 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,667 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,667 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,667 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,667 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,668 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,668 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,668 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,668 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,668 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,668 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,668 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,669 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,669 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,669 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,669 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,669 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,669 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,670 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,670 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,670 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,670 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,670 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,671 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:30:59,671 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:30:59,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:30:59 BasicIcfg [2020-10-05 23:30:59,733 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:30:59,735 INFO L168 Benchmark]: Toolchain (without parser) took 8607.05 ms. Allocated memory was 140.5 MB in the beginning and 328.2 MB in the end (delta: 187.7 MB). Free memory was 100.2 MB in the beginning and 260.4 MB in the end (delta: -160.2 MB). Peak memory consumption was 208.4 MB. Max. memory is 7.1 GB. [2020-10-05 23:30:59,736 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 140.5 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-05 23:30:59,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.11 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 99.8 MB in the beginning and 155.9 MB in the end (delta: -56.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:30:59,737 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.05 ms. Allocated memory is still 202.9 MB. Free memory was 155.9 MB in the beginning and 153.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-05 23:30:59,738 INFO L168 Benchmark]: Boogie Preprocessor took 39.10 ms. Allocated memory is still 202.9 MB. Free memory was 153.2 MB in the beginning and 151.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:30:59,739 INFO L168 Benchmark]: RCFGBuilder took 1988.51 ms. Allocated memory was 202.9 MB in the beginning and 249.0 MB in the end (delta: 46.1 MB). Free memory was 150.6 MB in the beginning and 170.7 MB in the end (delta: -20.2 MB). Peak memory consumption was 103.7 MB. Max. memory is 7.1 GB. [2020-10-05 23:30:59,740 INFO L168 Benchmark]: TraceAbstraction took 5795.82 ms. Allocated memory was 249.0 MB in the beginning and 328.2 MB in the end (delta: 79.2 MB). Free memory was 170.7 MB in the beginning and 260.4 MB in the end (delta: -89.7 MB). Peak memory consumption was 170.4 MB. Max. memory is 7.1 GB. [2020-10-05 23:30:59,744 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 140.5 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 723.11 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 99.8 MB in the beginning and 155.9 MB in the end (delta: -56.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 56.05 ms. Allocated memory is still 202.9 MB. Free memory was 155.9 MB in the beginning and 153.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.10 ms. Allocated memory is still 202.9 MB. Free memory was 153.2 MB in the beginning and 151.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1988.51 ms. Allocated memory was 202.9 MB in the beginning and 249.0 MB in the end (delta: 46.1 MB). Free memory was 150.6 MB in the beginning and 170.7 MB in the end (delta: -20.2 MB). Peak memory consumption was 103.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5795.82 ms. Allocated memory was 249.0 MB in the beginning and 328.2 MB in the end (delta: 79.2 MB). Free memory was 170.7 MB in the beginning and 260.4 MB in the end (delta: -89.7 MB). Peak memory consumption was 170.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.7s, 107 ProgramPointsBefore, 38 ProgramPointsAfterwards, 99 TransitionsBefore, 29 TransitionsAfterwards, 1928 CoEnabledTransitionPairs, 7 FixpointIterations, 35 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 1082 VarBasedMoverChecksPositive, 44 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 5181 CheckedPairsTotal, 82 TotalNumberOfCompositions - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L698] 0 int __unbuffered_cnt = 0; [L700] 0 int __unbuffered_p0_EAX = 0; [L702] 0 int __unbuffered_p0_EBX = 0; [L704] 0 int __unbuffered_p2_EAX = 0; [L706] 0 int __unbuffered_p2_EBX = 0; [L708] 0 int a = 0; [L709] 0 _Bool a$flush_delayed; [L710] 0 int a$mem_tmp; [L711] 0 _Bool a$r_buff0_thd0; [L712] 0 _Bool a$r_buff0_thd1; [L713] 0 _Bool a$r_buff0_thd2; [L714] 0 _Bool a$r_buff0_thd3; [L715] 0 _Bool a$r_buff1_thd0; [L716] 0 _Bool a$r_buff1_thd1; [L717] 0 _Bool a$r_buff1_thd2; [L718] 0 _Bool a$r_buff1_thd3; [L719] 0 _Bool a$read_delayed; [L720] 0 int *a$read_delayed_var; [L721] 0 int a$w_buff0; [L722] 0 _Bool a$w_buff0_used; [L723] 0 int a$w_buff1; [L724] 0 _Bool a$w_buff1_used; [L725] 0 _Bool main$tmp_guard0; [L726] 0 _Bool main$tmp_guard1; [L728] 0 int x = 0; [L730] 0 int y = 0; [L732] 0 int z = 0; [L733] 0 _Bool weak$$choice0; [L734] 0 _Bool weak$$choice2; [L837] 0 pthread_t t645; [L838] FCALL, FORK 0 pthread_create(&t645, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L839] 0 pthread_t t646; [L738] 1 a$w_buff1 = a$w_buff0 [L739] 1 a$w_buff0 = 1 [L740] 1 a$w_buff1_used = a$w_buff0_used [L741] 1 a$w_buff0_used = (_Bool)1 [L7] COND FALSE 1 !(!expression) [L743] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L744] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L745] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L746] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L747] 1 a$r_buff0_thd1 = (_Bool)1 [L750] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L753] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L756] 1 __unbuffered_p0_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L840] FCALL, FORK 0 pthread_create(&t646, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L841] 0 pthread_t t647; [L842] FCALL, FORK 0 pthread_create(&t647, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L773] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L776] 2 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L779] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L779] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L780] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L780] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L781] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L781] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L782] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L782] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L783] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L783] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L793] 3 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L796] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L799] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L800] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L801] 3 a$flush_delayed = weak$$choice2 [L802] 3 a$mem_tmp = a [L803] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L803] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1 [L803] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L803] 3 a = !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L804] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L804] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0) [L804] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L804] 3 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L805] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L805] 3 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L806] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L806] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used) [L806] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L806] 3 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L807] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L807] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L807] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L807] 3 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] EXPR 3 weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L808] 3 a$r_buff0_thd3 = weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L809] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L809] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0 [L809] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L809] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] 3 a$r_buff1_thd3 = weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] 3 __unbuffered_p2_EBX = a [L811] EXPR 3 a$flush_delayed ? a$mem_tmp : a [L811] 3 a = a$flush_delayed ? a$mem_tmp : a [L812] 3 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=0, x=1, y=1, z=2] [L786] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L788] 2 return 0; [L815] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L815] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L815] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L815] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L816] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L816] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L817] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L817] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L818] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L818] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L819] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L819] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L759] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L759] EXPR 1 a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a [L759] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L759] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L760] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L760] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L761] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L761] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L762] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L762] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L763] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L763] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L766] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L768] 1 return 0; [L822] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L824] 3 return 0; [L844] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L855] 0 main$tmp_guard1 = !(z == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=0, x=1, y=1, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 98 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.5s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.9s, HoareTripleCheckerStatistics: 282 SDtfs, 282 SDslu, 489 SDs, 0 SdLazy, 217 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1136occurred 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: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 123 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 127 ConstructedInterpolants, 0 QuantifiedInterpolants, 14155 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...