/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe010_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 22:10:16,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 22:10:16,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 22:10:17,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 22:10:17,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 22:10:17,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 22:10:17,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 22:10:17,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 22:10:17,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 22:10:17,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 22:10:17,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 22:10:17,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 22:10:17,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 22:10:17,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 22:10:17,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 22:10:17,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 22:10:17,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 22:10:17,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 22:10:17,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 22:10:17,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 22:10:17,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 22:10:17,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 22:10:17,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 22:10:17,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 22:10:17,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-15 22:10:17,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 22:10:17,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 22:10:17,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 22:10:17,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 22:10:17,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 22:10:17,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 22:10:17,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 22:10:17,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 22:10:17,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 22:10:17,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 22:10:17,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 22:10:17,090 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2020-10-15 22:10:17,128 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 22:10:17,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 22:10:17,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 22:10:17,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 22:10:17,131 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 22:10:17,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 22:10:17,131 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 22:10:17,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 22:10:17,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 22:10:17,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 22:10:17,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 22:10:17,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 22:10:17,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 22:10:17,134 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 22:10:17,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 22:10:17,134 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 22:10:17,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 22:10:17,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 22:10:17,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 22:10:17,135 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 22:10:17,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 22:10:17,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 22:10:17,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 22:10:17,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 22:10:17,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 22:10:17,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 22:10:17,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 22:10:17,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 22:10:17,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 22:10:17,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 22:10:17,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 22:10:17,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 22:10:17,458 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 22:10:17,459 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 22:10:17,459 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe010_rmo.opt.i [2020-10-15 22:10:17,521 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f9d18b1/fb7766cc9bee4367b8919dd8fbf0a87f/FLAG5b1be2876 [2020-10-15 22:10:18,033 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 22:10:18,033 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_rmo.opt.i [2020-10-15 22:10:18,052 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f9d18b1/fb7766cc9bee4367b8919dd8fbf0a87f/FLAG5b1be2876 [2020-10-15 22:10:18,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f9d18b1/fb7766cc9bee4367b8919dd8fbf0a87f [2020-10-15 22:10:18,356 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 22:10:18,357 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 22:10:18,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 22:10:18,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 22:10:18,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 22:10:18,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:10:18" (1/1) ... [2020-10-15 22:10:18,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2359dd1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:18, skipping insertion in model container [2020-10-15 22:10:18,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:10:18" (1/1) ... [2020-10-15 22:10:18,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 22:10:18,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 22:10:18,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 22:10:18,906 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 22:10:18,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 22:10:19,041 INFO L208 MainTranslator]: Completed translation [2020-10-15 22:10:19,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:19 WrapperNode [2020-10-15 22:10:19,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 22:10:19,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 22:10:19,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 22:10:19,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 22:10:19,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:19" (1/1) ... [2020-10-15 22:10:19,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:19" (1/1) ... [2020-10-15 22:10:19,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 22:10:19,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 22:10:19,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 22:10:19,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 22:10:19,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:19" (1/1) ... [2020-10-15 22:10:19,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:19" (1/1) ... [2020-10-15 22:10:19,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:19" (1/1) ... [2020-10-15 22:10:19,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:19" (1/1) ... [2020-10-15 22:10:19,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:19" (1/1) ... [2020-10-15 22:10:19,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:19" (1/1) ... [2020-10-15 22:10:19,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:19" (1/1) ... [2020-10-15 22:10:19,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 22:10:19,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 22:10:19,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 22:10:19,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 22:10:19,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 22:10:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 22:10:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-15 22:10:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 22:10:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 22:10:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-15 22:10:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-15 22:10:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-15 22:10:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-15 22:10:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-15 22:10:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 22:10:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 22:10:19,228 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 22:10:21,083 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 22:10:21,084 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-15 22:10:21,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:10:21 BoogieIcfgContainer [2020-10-15 22:10:21,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 22:10:21,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 22:10:21,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 22:10:21,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 22:10:21,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:10:18" (1/3) ... [2020-10-15 22:10:21,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d12e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:10:21, skipping insertion in model container [2020-10-15 22:10:21,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:10:19" (2/3) ... [2020-10-15 22:10:21,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d12e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:10:21, skipping insertion in model container [2020-10-15 22:10:21,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:10:21" (3/3) ... [2020-10-15 22:10:21,096 INFO L111 eAbstractionObserver]: Analyzing ICFG safe010_rmo.opt.i [2020-10-15 22:10:21,108 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 22:10:21,108 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 22:10:21,116 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-15 22:10:21,117 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 22:10:21,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,144 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,144 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,144 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,145 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,145 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,145 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,146 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,146 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,146 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,146 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,146 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,147 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,147 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,147 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,148 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,148 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,149 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,149 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,155 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,155 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,156 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,156 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,156 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,156 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,157 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,157 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,157 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,157 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,157 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,158 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,163 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,163 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,163 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,163 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,165 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,165 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 22:10:21,183 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-15 22:10:21,204 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 22:10:21,205 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 22:10:21,205 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 22:10:21,205 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 22:10:21,205 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 22:10:21,205 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 22:10:21,205 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 22:10:21,205 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 22:10:21,218 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 22:10:21,221 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 75 transitions, 160 flow [2020-10-15 22:10:21,224 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 75 transitions, 160 flow [2020-10-15 22:10:21,226 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 80 places, 75 transitions, 160 flow [2020-10-15 22:10:21,265 INFO L129 PetriNetUnfolder]: 2/73 cut-off events. [2020-10-15 22:10:21,266 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 22:10:21,270 INFO L80 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 73 events. 2/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2020-10-15 22:10:21,273 INFO L117 LiptonReduction]: Number of co-enabled transitions 896 [2020-10-15 22:10:21,374 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 1] term [2020-10-15 22:10:21,374 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:21,376 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 1] term [2020-10-15 22:10:21,377 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:21,383 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-15 22:10:21,383 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-15 22:10:21,389 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-15 22:10:21,389 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:21,469 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:21,470 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 22:10:21,474 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 3, 2, 1] term [2020-10-15 22:10:21,474 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:21,476 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:21,476 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:21,482 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:21,483 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 22:10:21,486 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:21,487 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 22:10:21,491 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:21,491 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 22:10:21,495 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-15 22:10:21,496 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:21,498 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-15 22:10:21,499 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:21,504 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-15 22:10:21,505 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:21,607 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 3, 2, 1] term [2020-10-15 22:10:21,608 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:21,609 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 1] term [2020-10-15 22:10:21,609 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:21,641 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 3, 2, 1] term [2020-10-15 22:10:21,642 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:21,643 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 1] term [2020-10-15 22:10:21,643 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:22,864 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 224 DAG size of output: 184 [2020-10-15 22:10:22,891 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 2, 2, 1] term [2020-10-15 22:10:22,891 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:22,892 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 1] term [2020-10-15 22:10:22,892 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:23,735 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 119 [2020-10-15 22:10:23,769 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 1] term [2020-10-15 22:10:23,770 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:23,770 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 1] term [2020-10-15 22:10:23,771 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:23,774 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-15 22:10:23,774 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-15 22:10:23,777 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-15 22:10:23,777 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:23,822 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:23,822 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 22:10:23,831 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 3, 2, 1] term [2020-10-15 22:10:23,832 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:23,833 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:23,833 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:23,836 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:23,837 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 22:10:23,838 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:23,838 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 22:10:23,839 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:23,840 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 22:10:23,843 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-15 22:10:23,843 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:23,846 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-15 22:10:23,846 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:23,848 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-15 22:10:23,848 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:23,899 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 3, 2, 1] term [2020-10-15 22:10:23,900 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:23,901 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 1] term [2020-10-15 22:10:23,901 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:23,914 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 3, 2, 1] term [2020-10-15 22:10:23,915 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:23,916 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 1] term [2020-10-15 22:10:23,916 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:23,950 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 3, 2, 1] term [2020-10-15 22:10:23,951 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 22:10:23,951 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-10-15 22:10:23,952 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 22:10:23,979 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 3, 2, 1] term [2020-10-15 22:10:23,979 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:23,980 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 1] term [2020-10-15 22:10:23,981 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,036 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:24,036 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 22:10:24,038 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 3, 2, 1] term [2020-10-15 22:10:24,039 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,040 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:24,040 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,044 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:24,044 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 22:10:24,046 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:24,046 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 22:10:24,048 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:24,048 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 22:10:24,051 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-15 22:10:24,052 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,054 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-15 22:10:24,054 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,057 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-15 22:10:24,058 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,102 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 1] term [2020-10-15 22:10:24,102 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,103 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 1] term [2020-10-15 22:10:24,103 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,105 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-15 22:10:24,106 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-15 22:10:24,108 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-15 22:10:24,109 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,228 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 2, 1] term [2020-10-15 22:10:24,228 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,229 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 1] term [2020-10-15 22:10:24,229 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,246 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 3, 2, 1] term [2020-10-15 22:10:24,247 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,247 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 1] term [2020-10-15 22:10:24,247 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,263 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-15 22:10:24,264 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,265 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 3, 2, 1] term [2020-10-15 22:10:24,265 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,266 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 4, 4, 3, 3, 2, 1] term [2020-10-15 22:10:24,267 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,453 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 3, 2, 1] term [2020-10-15 22:10:24,454 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,454 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 1] term [2020-10-15 22:10:24,455 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,477 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 3, 2, 1] term [2020-10-15 22:10:24,477 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 22:10:24,478 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-10-15 22:10:24,479 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 22:10:24,528 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:24,529 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 22:10:24,535 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 3, 2, 1] term [2020-10-15 22:10:24,536 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,537 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:24,538 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,542 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:24,542 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 22:10:24,544 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:24,545 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 22:10:24,547 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:24,547 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 22:10:24,552 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[10, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-15 22:10:24,553 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,555 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-15 22:10:24,556 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,559 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 3, 2, 1] term [2020-10-15 22:10:24,560 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,617 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 3, 2, 1] term [2020-10-15 22:10:24,618 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,619 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 1] term [2020-10-15 22:10:24,620 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,624 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-15 22:10:24,625 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-15 22:10:24,629 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-15 22:10:24,630 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 22:10:24,878 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-10-15 22:10:24,991 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:24,992 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 22:10:24,992 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:24,992 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 22:10:24,994 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:24,994 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 22:10:24,996 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 22:10:24,996 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 22:10:25,011 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:25,012 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 22:10:25,012 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:25,013 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 22:10:25,014 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:25,015 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 22:10:25,016 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 22:10:25,017 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 22:10:25,050 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-15 22:10:25,051 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 22:10:25,080 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-15 22:10:25,080 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 22:10:25,081 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:25,081 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 22:10:25,083 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:25,083 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 22:10:25,085 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 22:10:25,085 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 22:10:25,101 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:25,102 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 22:10:25,103 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:25,103 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 22:10:25,105 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-15 22:10:25,105 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 22:10:25,107 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-15 22:10:25,107 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 22:10:25,454 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-10-15 22:10:25,566 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-15 22:10:25,632 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-15 22:10:25,632 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 22:10:25,721 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-15 22:10:25,721 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 22:10:26,737 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 107 [2020-10-15 22:10:27,015 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 22:10:28,310 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 125 [2020-10-15 22:10:28,621 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 22:10:28,863 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2020-10-15 22:10:28,975 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-15 22:10:29,007 INFO L132 LiptonReduction]: Checked pairs total: 2403 [2020-10-15 22:10:29,007 INFO L134 LiptonReduction]: Total number of compositions: 66 [2020-10-15 22:10:29,019 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 19 transitions, 48 flow [2020-10-15 22:10:29,036 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 164 states. [2020-10-15 22:10:29,039 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2020-10-15 22:10:29,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-15 22:10:29,047 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:10:29,048 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-15 22:10:29,049 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:10:29,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:10:29,055 INFO L82 PathProgramCache]: Analyzing trace with hash 897514, now seen corresponding path program 1 times [2020-10-15 22:10:29,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:10:29,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482734655] [2020-10-15 22:10:29,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:10:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:10:29,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:10:29,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482734655] [2020-10-15 22:10:29,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:10:29,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 22:10:29,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80494489] [2020-10-15 22:10:29,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 22:10:29,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:10:29,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 22:10:29,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 22:10:29,321 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 3 states. [2020-10-15 22:10:29,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:10:29,391 INFO L93 Difference]: Finished difference Result 137 states and 320 transitions. [2020-10-15 22:10:29,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 22:10:29,393 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-15 22:10:29,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:10:29,406 INFO L225 Difference]: With dead ends: 137 [2020-10-15 22:10:29,406 INFO L226 Difference]: Without dead ends: 112 [2020-10-15 22:10:29,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 22:10:29,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-10-15 22:10:29,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2020-10-15 22:10:29,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-15 22:10:29,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 255 transitions. [2020-10-15 22:10:29,456 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 255 transitions. Word has length 3 [2020-10-15 22:10:29,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:10:29,457 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 255 transitions. [2020-10-15 22:10:29,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 22:10:29,457 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 255 transitions. [2020-10-15 22:10:29,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-15 22:10:29,458 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:10:29,458 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:10:29,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 22:10:29,459 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:10:29,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:10:29,459 INFO L82 PathProgramCache]: Analyzing trace with hash -13139348, now seen corresponding path program 1 times [2020-10-15 22:10:29,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:10:29,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589217768] [2020-10-15 22:10:29,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:10:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:10:29,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:10:29,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589217768] [2020-10-15 22:10:29,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:10:29,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 22:10:29,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729360273] [2020-10-15 22:10:29,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 22:10:29,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:10:29,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 22:10:29,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 22:10:29,607 INFO L87 Difference]: Start difference. First operand 112 states and 255 transitions. Second operand 3 states. [2020-10-15 22:10:29,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:10:29,618 INFO L93 Difference]: Finished difference Result 107 states and 241 transitions. [2020-10-15 22:10:29,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 22:10:29,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-15 22:10:29,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:10:29,624 INFO L225 Difference]: With dead ends: 107 [2020-10-15 22:10:29,625 INFO L226 Difference]: Without dead ends: 107 [2020-10-15 22:10:29,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 22:10:29,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-15 22:10:29,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-10-15 22:10:29,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-10-15 22:10:29,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 241 transitions. [2020-10-15 22:10:29,638 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 241 transitions. Word has length 7 [2020-10-15 22:10:29,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:10:29,638 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 241 transitions. [2020-10-15 22:10:29,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 22:10:29,639 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 241 transitions. [2020-10-15 22:10:29,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-15 22:10:29,640 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:10:29,640 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:10:29,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 22:10:29,640 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:10:29,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:10:29,641 INFO L82 PathProgramCache]: Analyzing trace with hash -407351812, now seen corresponding path program 1 times [2020-10-15 22:10:29,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:10:29,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553454472] [2020-10-15 22:10:29,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:10:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:10:29,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:10:29,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553454472] [2020-10-15 22:10:29,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:10:29,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 22:10:29,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65452273] [2020-10-15 22:10:29,729 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 22:10:29,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:10:29,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 22:10:29,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 22:10:29,730 INFO L87 Difference]: Start difference. First operand 107 states and 241 transitions. Second operand 4 states. [2020-10-15 22:10:29,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:10:29,763 INFO L93 Difference]: Finished difference Result 135 states and 294 transitions. [2020-10-15 22:10:29,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 22:10:29,764 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-15 22:10:29,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:10:29,765 INFO L225 Difference]: With dead ends: 135 [2020-10-15 22:10:29,765 INFO L226 Difference]: Without dead ends: 75 [2020-10-15 22:10:29,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 22:10:29,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-15 22:10:29,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-10-15 22:10:29,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-15 22:10:29,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 155 transitions. [2020-10-15 22:10:29,774 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 155 transitions. Word has length 8 [2020-10-15 22:10:29,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:10:29,775 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 155 transitions. [2020-10-15 22:10:29,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 22:10:29,775 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 155 transitions. [2020-10-15 22:10:29,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-15 22:10:29,776 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:10:29,776 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:10:29,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 22:10:29,777 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:10:29,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:10:29,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1700985471, now seen corresponding path program 1 times [2020-10-15 22:10:29,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:10:29,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759512227] [2020-10-15 22:10:29,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:10:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:10:29,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:10:29,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759512227] [2020-10-15 22:10:29,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:10:29,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 22:10:29,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967229150] [2020-10-15 22:10:29,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 22:10:29,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:10:29,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 22:10:29,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 22:10:29,956 INFO L87 Difference]: Start difference. First operand 75 states and 155 transitions. Second operand 5 states. [2020-10-15 22:10:30,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:10:30,034 INFO L93 Difference]: Finished difference Result 74 states and 152 transitions. [2020-10-15 22:10:30,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 22:10:30,036 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-15 22:10:30,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:10:30,037 INFO L225 Difference]: With dead ends: 74 [2020-10-15 22:10:30,037 INFO L226 Difference]: Without dead ends: 74 [2020-10-15 22:10:30,038 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-15 22:10:30,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-15 22:10:30,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-10-15 22:10:30,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-15 22:10:30,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 152 transitions. [2020-10-15 22:10:30,046 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 152 transitions. Word has length 10 [2020-10-15 22:10:30,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:10:30,046 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 152 transitions. [2020-10-15 22:10:30,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 22:10:30,047 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 152 transitions. [2020-10-15 22:10:30,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-15 22:10:30,047 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:10:30,048 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:10:30,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 22:10:30,048 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:10:30,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:10:30,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1190886961, now seen corresponding path program 1 times [2020-10-15 22:10:30,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:10:30,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477327034] [2020-10-15 22:10:30,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:10:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:10:30,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:10:30,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477327034] [2020-10-15 22:10:30,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:10:30,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 22:10:30,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126264962] [2020-10-15 22:10:30,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 22:10:30,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:10:30,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 22:10:30,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-15 22:10:30,212 INFO L87 Difference]: Start difference. First operand 74 states and 152 transitions. Second operand 6 states. [2020-10-15 22:10:30,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:10:30,314 INFO L93 Difference]: Finished difference Result 81 states and 165 transitions. [2020-10-15 22:10:30,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 22:10:30,317 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2020-10-15 22:10:30,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:10:30,321 INFO L225 Difference]: With dead ends: 81 [2020-10-15 22:10:30,322 INFO L226 Difference]: Without dead ends: 81 [2020-10-15 22:10:30,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-15 22:10:30,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-15 22:10:30,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2020-10-15 22:10:30,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-10-15 22:10:30,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 162 transitions. [2020-10-15 22:10:30,340 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 162 transitions. Word has length 11 [2020-10-15 22:10:30,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:10:30,340 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 162 transitions. [2020-10-15 22:10:30,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 22:10:30,341 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 162 transitions. [2020-10-15 22:10:30,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-15 22:10:30,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:10:30,342 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:10:30,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 22:10:30,345 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:10:30,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:10:30,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1190881195, now seen corresponding path program 1 times [2020-10-15 22:10:30,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:10:30,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848323833] [2020-10-15 22:10:30,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:10:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:10:30,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:10:30,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848323833] [2020-10-15 22:10:30,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:10:30,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 22:10:30,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894363588] [2020-10-15 22:10:30,499 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 22:10:30,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:10:30,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 22:10:30,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 22:10:30,500 INFO L87 Difference]: Start difference. First operand 79 states and 162 transitions. Second operand 4 states. [2020-10-15 22:10:30,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:10:30,531 INFO L93 Difference]: Finished difference Result 72 states and 126 transitions. [2020-10-15 22:10:30,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 22:10:30,532 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-15 22:10:30,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:10:30,533 INFO L225 Difference]: With dead ends: 72 [2020-10-15 22:10:30,534 INFO L226 Difference]: Without dead ends: 53 [2020-10-15 22:10:30,534 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 22:10:30,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-15 22:10:30,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-15 22:10:30,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-15 22:10:30,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 88 transitions. [2020-10-15 22:10:30,539 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 88 transitions. Word has length 11 [2020-10-15 22:10:30,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:10:30,539 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 88 transitions. [2020-10-15 22:10:30,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 22:10:30,539 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2020-10-15 22:10:30,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-15 22:10:30,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:10:30,544 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:10:30,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 22:10:30,544 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:10:30,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:10:30,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1851063238, now seen corresponding path program 1 times [2020-10-15 22:10:30,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:10:30,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668931028] [2020-10-15 22:10:30,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:10:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 22:10:30,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 22:10:30,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668931028] [2020-10-15 22:10:30,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 22:10:30,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 22:10:30,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620418284] [2020-10-15 22:10:30,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 22:10:30,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 22:10:30,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 22:10:30,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 22:10:30,647 INFO L87 Difference]: Start difference. First operand 53 states and 88 transitions. Second operand 5 states. [2020-10-15 22:10:30,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 22:10:30,689 INFO L93 Difference]: Finished difference Result 42 states and 64 transitions. [2020-10-15 22:10:30,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 22:10:30,690 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-15 22:10:30,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 22:10:30,690 INFO L225 Difference]: With dead ends: 42 [2020-10-15 22:10:30,690 INFO L226 Difference]: Without dead ends: 34 [2020-10-15 22:10:30,691 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 22:10:30,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-15 22:10:30,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-10-15 22:10:30,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-15 22:10:30,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 47 transitions. [2020-10-15 22:10:30,695 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 47 transitions. Word has length 12 [2020-10-15 22:10:30,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 22:10:30,695 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 47 transitions. [2020-10-15 22:10:30,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 22:10:30,695 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2020-10-15 22:10:30,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-15 22:10:30,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 22:10:30,696 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 22:10:30,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 22:10:30,696 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 22:10:30,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 22:10:30,697 INFO L82 PathProgramCache]: Analyzing trace with hash -944183904, now seen corresponding path program 1 times [2020-10-15 22:10:30,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 22:10:30,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548551023] [2020-10-15 22:10:30,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 22:10:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 22:10:30,767 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 22:10:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 22:10:30,875 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 22:10:30,935 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 22:10:30,936 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 22:10:30,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 22:10:30,938 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 22:10:30,947 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [860] [860] L2-->L795: Formula: (let ((.cse6 (= (mod ~y$w_buff1_used~0_In-751776363 256) 0)) (.cse7 (= (mod ~y$r_buff1_thd0~0_In-751776363 256) 0)) (.cse8 (= (mod ~y$r_buff0_thd0~0_In-751776363 256) 0)) (.cse9 (= (mod ~y$w_buff0_used~0_In-751776363 256) 0))) (let ((.cse1 (not .cse9)) (.cse2 (not .cse8)) (.cse0 (or .cse8 .cse9)) (.cse5 (or .cse6 .cse7)) (.cse3 (not .cse7)) (.cse4 (not .cse6))) (and (or (and .cse0 (= ~y$w_buff0_used~0_In-751776363 ~y$w_buff0_used~0_Out-751776363)) (and (= ~y$w_buff0_used~0_Out-751776363 0) .cse1 .cse2)) (= ULTIMATE.start_assume_abort_if_not_~cond_Out-751776363 |ULTIMATE.start_assume_abort_if_not_#in~cond_In-751776363|) (= ~y$r_buff0_thd0~0_In-751776363 ~y$r_buff0_thd0~0_Out-751776363) (or (and .cse3 (= ~y$w_buff1_used~0_Out-751776363 0) .cse4) (and .cse5 (= ~y$w_buff1_used~0_Out-751776363 ~y$w_buff1_used~0_In-751776363))) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out-751776363 0)) (or (and .cse1 .cse2 (= ~y~0_Out-751776363 ~y$w_buff0~0_In-751776363)) (and .cse0 (or (and .cse5 (= ~y~0_Out-751776363 ~y~0_In-751776363)) (and .cse3 (= ~y~0_Out-751776363 ~y$w_buff1~0_In-751776363) .cse4)))) (= ~y$r_buff1_thd0~0_Out-751776363 ~y$r_buff1_thd0~0_In-751776363)))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-751776363|, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-751776363, ~y$w_buff1~0=~y$w_buff1~0_In-751776363, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-751776363, ~y$w_buff0~0=~y$w_buff0~0_In-751776363, ~y~0=~y~0_In-751776363, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-751776363, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-751776363} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_Out-751776363, ULTIMATE.start_main_#t~ite17=|ULTIMATE.start_main_#t~ite17_Out-751776363|, ULTIMATE.start_main_#t~ite18=|ULTIMATE.start_main_#t~ite18_Out-751776363|, ULTIMATE.start_main_#t~ite19=|ULTIMATE.start_main_#t~ite19_Out-751776363|, ULTIMATE.start_main_#t~ite16=|ULTIMATE.start_main_#t~ite16_Out-751776363|, ULTIMATE.start_main_#t~ite20=|ULTIMATE.start_main_#t~ite20_Out-751776363|, ULTIMATE.start_main_#t~ite21=|ULTIMATE.start_main_#t~ite21_Out-751776363|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-751776363|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-751776363, ~y$w_buff1~0=~y$w_buff1~0_In-751776363, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_Out-751776363, ~y$w_buff0~0=~y$w_buff0~0_In-751776363, ~y~0=~y~0_Out-751776363, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_Out-751776363, ~y$w_buff1_used~0=~y$w_buff1_used~0_Out-751776363} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond, ~y$w_buff0_used~0, ULTIMATE.start_main_#t~ite17, ULTIMATE.start_main_#t~ite18, ULTIMATE.start_main_#t~ite19, ~y$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite16, ULTIMATE.start_main_#t~ite20, ~y~0, ULTIMATE.start_main_#t~ite21, ~y$r_buff1_thd0~0, ~y$w_buff1_used~0] because there is no mapped edge [2020-10-15 22:10:30,952 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,952 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,959 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,960 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,960 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,960 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,961 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,961 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,961 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,961 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,961 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,962 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,962 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,962 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,962 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,963 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,964 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,964 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,965 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,965 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,965 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,965 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,966 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,966 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,968 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,968 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,969 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,969 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,969 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,969 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,970 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,970 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,970 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,970 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,971 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,971 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,971 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,971 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,971 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,971 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,972 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,972 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,976 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,977 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,977 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,977 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,977 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,977 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,977 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,978 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,978 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,978 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:30,978 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-15 22:10:30,978 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-15 22:10:31,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 10:10:31 BasicIcfg [2020-10-15 22:10:31,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 22:10:31,067 INFO L168 Benchmark]: Toolchain (without parser) took 12708.15 ms. Allocated memory was 250.6 MB in the beginning and 508.6 MB in the end (delta: 257.9 MB). Free memory was 203.2 MB in the beginning and 326.6 MB in the end (delta: -123.4 MB). Peak memory consumption was 134.6 MB. Max. memory is 14.2 GB. [2020-10-15 22:10:31,068 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 250.6 MB. Free memory is still 224.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 22:10:31,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.14 ms. Allocated memory was 250.6 MB in the beginning and 312.5 MB in the end (delta: 61.9 MB). Free memory was 203.2 MB in the beginning and 263.2 MB in the end (delta: -60.0 MB). Peak memory consumption was 27.2 MB. Max. memory is 14.2 GB. [2020-10-15 22:10:31,071 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.94 ms. Allocated memory is still 312.5 MB. Free memory was 263.2 MB in the beginning and 260.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 22:10:31,072 INFO L168 Benchmark]: Boogie Preprocessor took 39.65 ms. Allocated memory is still 312.5 MB. Free memory was 260.7 MB in the beginning and 258.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 22:10:31,075 INFO L168 Benchmark]: RCFGBuilder took 1936.31 ms. Allocated memory was 312.5 MB in the beginning and 357.0 MB in the end (delta: 44.6 MB). Free memory was 258.2 MB in the beginning and 215.9 MB in the end (delta: 42.2 MB). Peak memory consumption was 99.8 MB. Max. memory is 14.2 GB. [2020-10-15 22:10:31,076 INFO L168 Benchmark]: TraceAbstraction took 9975.84 ms. Allocated memory was 357.0 MB in the beginning and 508.6 MB in the end (delta: 151.5 MB). Free memory was 215.9 MB in the beginning and 326.6 MB in the end (delta: -110.7 MB). Peak memory consumption was 40.9 MB. Max. memory is 14.2 GB. [2020-10-15 22:10:31,084 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 250.6 MB. Free memory is still 224.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 684.14 ms. Allocated memory was 250.6 MB in the beginning and 312.5 MB in the end (delta: 61.9 MB). Free memory was 203.2 MB in the beginning and 263.2 MB in the end (delta: -60.0 MB). Peak memory consumption was 27.2 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 66.94 ms. Allocated memory is still 312.5 MB. Free memory was 263.2 MB in the beginning and 260.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 39.65 ms. Allocated memory is still 312.5 MB. Free memory was 260.7 MB in the beginning and 258.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 1936.31 ms. Allocated memory was 312.5 MB in the beginning and 357.0 MB in the end (delta: 44.6 MB). Free memory was 258.2 MB in the beginning and 215.9 MB in the end (delta: 42.2 MB). Peak memory consumption was 99.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 9975.84 ms. Allocated memory was 357.0 MB in the beginning and 508.6 MB in the end (delta: 151.5 MB). Free memory was 215.9 MB in the beginning and 326.6 MB in the end (delta: -110.7 MB). Peak memory consumption was 40.9 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 570 VarBasedMoverChecksPositive, 44 VarBasedMoverChecksNegative, 6 SemBasedMoverChecksPositive, 38 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.4s, 54 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 7.7s, 80 PlacesBefore, 26 PlacesAfterwards, 75 TransitionsBefore, 19 TransitionsAfterwards, 896 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 30 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 66 TotalNumberOfCompositions, 2403 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L697] 0 int __unbuffered_cnt = 0; [L699] 0 int __unbuffered_p1_EAX = 0; [L700] 0 _Bool main$tmp_guard0; [L701] 0 _Bool main$tmp_guard1; [L703] 0 int x = 0; [L705] 0 int y = 0; [L706] 0 _Bool y$flush_delayed; [L707] 0 int y$mem_tmp; [L708] 0 _Bool y$r_buff0_thd0; [L709] 0 _Bool y$r_buff0_thd1; [L710] 0 _Bool y$r_buff0_thd2; [L711] 0 _Bool y$r_buff1_thd0; [L712] 0 _Bool y$r_buff1_thd1; [L713] 0 _Bool y$r_buff1_thd2; [L714] 0 _Bool y$read_delayed; [L715] 0 int *y$read_delayed_var; [L716] 0 int y$w_buff0; [L717] 0 _Bool y$w_buff0_used; [L718] 0 int y$w_buff1; [L719] 0 _Bool y$w_buff1_used; [L720] 0 _Bool weak$$choice0; [L721] 0 _Bool weak$$choice2; [L781] 0 pthread_t t2019; [L782] FCALL, FORK 0 pthread_create(&t2019, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L725] 1 y$w_buff1 = y$w_buff0 [L726] 1 y$w_buff0 = 2 [L727] 1 y$w_buff1_used = y$w_buff0_used [L728] 1 y$w_buff0_used = (_Bool)1 [L7] COND TRUE 1 !expression [L7] 1 __VERIFIER_error() [L730] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L731] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L732] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L733] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L783] 0 pthread_t t2020; [L784] FCALL, FORK 0 pthread_create(&t2020, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L736] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L753] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L756] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L759] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L759] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L759] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L759] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L760] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L760] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L761] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L761] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L762] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L762] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L763] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L763] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L739] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L739] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L740] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L740] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L741] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L741] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L742] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L742] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L743] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L743] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L746] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L748] 1 return 0; [L766] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L768] 2 return 0; [L786] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L797] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L798] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L799] 0 y$flush_delayed = weak$$choice2 [L800] 0 y$mem_tmp = y [L801] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L801] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1 [L801] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L801] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L802] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L802] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0) [L802] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0 [L802] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0) [L802] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L802] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L803] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L803] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1) [L803] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L803] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L804] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L804] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used) [L804] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L804] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L805] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L805] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L805] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0 [L805] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L805] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L805] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L806] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L806] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L807] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L807] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L808] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 1) [L809] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L809] 0 y = y$flush_delayed ? y$mem_tmp : y [L810] 0 y$flush_delayed = (_Bool)0 [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 74 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.7s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.8s, HoareTripleCheckerStatistics: 98 SDtfs, 86 SDslu, 127 SDs, 0 SdLazy, 98 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred 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: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 3530 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...