/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix047_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:03:42,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:03:42,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:03:42,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:03:42,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:03:42,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:03:42,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:03:42,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:03:42,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:03:42,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:03:42,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:03:42,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:03:42,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:03:42,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:03:42,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:03:42,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:03:42,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:03:42,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:03:42,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:03:42,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:03:42,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:03:42,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:03:42,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:03:42,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:03:42,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 12:03:42,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:03:42,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:03:42,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:03:42,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:03:42,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:03:42,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:03:42,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:03:42,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:03:42,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:03:42,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:03:42,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:03:42,179 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 12:03:42,201 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:03:42,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:03:42,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:03:42,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:03:42,203 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:03:42,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:03:42,203 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:03:42,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:03:42,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:03:42,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:03:42,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:03:42,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:03:42,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:03:42,205 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:03:42,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:03:42,205 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:03:42,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:03:42,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:03:42,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:03:42,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:03:42,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:03:42,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:03:42,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:03:42,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:03:42,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:03:42,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:03:42,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:03:42,207 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:03:42,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:03:42,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:03:42,485 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:03:42,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:03:42,489 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:03:42,489 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:03:42,490 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix047_rmo.oepc.i [2020-10-16 12:03:42,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28860df2c/e0b09de40ecf44c9be46555483c4d17f/FLAG60ab391a9 [2020-10-16 12:03:43,173 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:03:43,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix047_rmo.oepc.i [2020-10-16 12:03:43,190 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28860df2c/e0b09de40ecf44c9be46555483c4d17f/FLAG60ab391a9 [2020-10-16 12:03:43,473 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/28860df2c/e0b09de40ecf44c9be46555483c4d17f [2020-10-16 12:03:43,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:03:43,484 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:03:43,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:03:43,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:03:43,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:03:43,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:03:43" (1/1) ... [2020-10-16 12:03:43,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c6f3d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:43, skipping insertion in model container [2020-10-16 12:03:43,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:03:43" (1/1) ... [2020-10-16 12:03:43,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:03:43,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:03:44,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:03:44,160 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:03:44,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:03:44,322 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:03:44,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:44 WrapperNode [2020-10-16 12:03:44,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:03:44,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:03:44,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:03:44,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:03:44,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:44" (1/1) ... [2020-10-16 12:03:44,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:44" (1/1) ... [2020-10-16 12:03:44,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:03:44,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:03:44,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:03:44,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:03:44,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:44" (1/1) ... [2020-10-16 12:03:44,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:44" (1/1) ... [2020-10-16 12:03:44,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:44" (1/1) ... [2020-10-16 12:03:44,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:44" (1/1) ... [2020-10-16 12:03:44,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:44" (1/1) ... [2020-10-16 12:03:44,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:44" (1/1) ... [2020-10-16 12:03:44,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:44" (1/1) ... [2020-10-16 12:03:44,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:03:44,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:03:44,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:03:44,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:03:44,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:44" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:03:44,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:03:44,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:03:44,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:03:44,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:03:44,512 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:03:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:03:44,513 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:03:44,514 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:03:44,515 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 12:03:44,515 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 12:03:44,517 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-16 12:03:44,518 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-16 12:03:44,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:03:44,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:03:44,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:03:44,521 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:03:47,048 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:03:47,048 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:03:47,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:03:47 BoogieIcfgContainer [2020-10-16 12:03:47,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:03:47,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:03:47,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:03:47,058 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:03:47,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:03:43" (1/3) ... [2020-10-16 12:03:47,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afbbca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:03:47, skipping insertion in model container [2020-10-16 12:03:47,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:44" (2/3) ... [2020-10-16 12:03:47,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afbbca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:03:47, skipping insertion in model container [2020-10-16 12:03:47,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:03:47" (3/3) ... [2020-10-16 12:03:47,065 INFO L111 eAbstractionObserver]: Analyzing ICFG mix047_rmo.oepc.i [2020-10-16 12:03:47,077 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:03:47,077 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:03:47,089 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:03:47,090 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:03:47,142 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,143 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,144 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,144 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,145 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,145 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,146 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,146 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,147 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,147 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,147 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,147 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,148 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,148 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,150 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,150 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,155 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,155 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,159 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,159 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,159 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,161 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,161 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,161 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,162 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,162 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,164 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,164 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,164 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,164 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,165 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,165 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,165 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,165 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,166 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,166 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,166 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,166 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,167 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,168 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,168 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,168 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,168 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,169 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,169 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,169 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,169 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,170 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,170 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,170 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,170 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,171 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,171 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,171 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,171 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,172 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,172 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,176 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,178 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,178 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,179 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,179 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,187 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,187 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,195 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,201 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,201 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,201 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,201 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,202 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,202 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,202 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,202 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,202 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,207 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,208 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,208 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,208 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,209 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,209 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,209 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,210 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,210 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,210 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,211 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,211 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,213 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,213 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,213 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,214 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,214 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,214 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,215 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,215 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,215 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,216 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,216 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,216 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,217 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,217 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,217 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,217 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,218 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,218 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,218 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,218 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,219 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,221 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,222 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,222 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,222 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,222 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,223 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,224 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,224 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,225 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,225 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:03:47,227 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:03:47,249 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 12:03:47,279 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:03:47,280 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:03:47,280 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:03:47,280 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:03:47,280 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:03:47,281 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:03:47,281 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:03:47,281 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:03:47,306 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:03:47,307 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 113 transitions, 246 flow [2020-10-16 12:03:47,310 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 113 transitions, 246 flow [2020-10-16 12:03:47,312 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 246 flow [2020-10-16 12:03:47,416 INFO L129 PetriNetUnfolder]: 2/109 cut-off events. [2020-10-16 12:03:47,416 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:03:47,425 INFO L80 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 109 events. 2/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 82 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2020-10-16 12:03:47,436 INFO L117 LiptonReduction]: Number of co-enabled transitions 2814 [2020-10-16 12:03:48,748 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-10-16 12:03:49,547 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-16 12:03:49,672 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-16 12:03:50,017 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2020-10-16 12:03:50,140 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-16 12:03:50,150 INFO L132 LiptonReduction]: Checked pairs total: 8159 [2020-10-16 12:03:50,150 INFO L134 LiptonReduction]: Total number of compositions: 87 [2020-10-16 12:03:50,156 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 34 transitions, 88 flow [2020-10-16 12:03:50,443 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4874 states. [2020-10-16 12:03:50,445 INFO L276 IsEmpty]: Start isEmpty. Operand 4874 states. [2020-10-16 12:03:50,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-16 12:03:50,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:03:50,452 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-16 12:03:50,453 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:03:50,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:03:50,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1195809, now seen corresponding path program 1 times [2020-10-16 12:03:50,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:03:50,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286670684] [2020-10-16 12:03:50,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:03:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:03:50,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:03:50,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286670684] [2020-10-16 12:03:50,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:03:50,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:03:50,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032779652] [2020-10-16 12:03:50,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:03:50,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:03:50,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:03:50,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:03:50,717 INFO L87 Difference]: Start difference. First operand 4874 states. Second operand 3 states. [2020-10-16 12:03:50,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:03:50,892 INFO L93 Difference]: Finished difference Result 4062 states and 16125 transitions. [2020-10-16 12:03:50,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:03:50,894 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-16 12:03:50,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:03:50,947 INFO L225 Difference]: With dead ends: 4062 [2020-10-16 12:03:50,947 INFO L226 Difference]: Without dead ends: 3312 [2020-10-16 12:03:50,949 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:03:50,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3312 states. [2020-10-16 12:03:51,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3312 to 3312. [2020-10-16 12:03:51,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3312 states. [2020-10-16 12:03:51,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 12950 transitions. [2020-10-16 12:03:51,207 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 12950 transitions. Word has length 3 [2020-10-16 12:03:51,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:03:51,208 INFO L481 AbstractCegarLoop]: Abstraction has 3312 states and 12950 transitions. [2020-10-16 12:03:51,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:03:51,208 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 12950 transitions. [2020-10-16 12:03:51,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 12:03:51,218 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:03:51,218 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:03:51,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:03:51,223 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:03:51,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:03:51,224 INFO L82 PathProgramCache]: Analyzing trace with hash 274388079, now seen corresponding path program 1 times [2020-10-16 12:03:51,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:03:51,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237655126] [2020-10-16 12:03:51,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:03:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:03:51,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:03:51,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237655126] [2020-10-16 12:03:51,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:03:51,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:03:51,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399279791] [2020-10-16 12:03:51,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:03:51,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:03:51,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:03:51,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:03:51,350 INFO L87 Difference]: Start difference. First operand 3312 states and 12950 transitions. Second operand 3 states. [2020-10-16 12:03:51,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:03:51,435 INFO L93 Difference]: Finished difference Result 3252 states and 12672 transitions. [2020-10-16 12:03:51,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:03:51,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-16 12:03:51,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:03:51,468 INFO L225 Difference]: With dead ends: 3252 [2020-10-16 12:03:51,468 INFO L226 Difference]: Without dead ends: 3252 [2020-10-16 12:03:51,469 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:03:51,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3252 states. [2020-10-16 12:03:51,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3252 to 3252. [2020-10-16 12:03:51,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3252 states. [2020-10-16 12:03:51,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 3252 states and 12672 transitions. [2020-10-16 12:03:51,628 INFO L78 Accepts]: Start accepts. Automaton has 3252 states and 12672 transitions. Word has length 11 [2020-10-16 12:03:51,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:03:51,629 INFO L481 AbstractCegarLoop]: Abstraction has 3252 states and 12672 transitions. [2020-10-16 12:03:51,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:03:51,630 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 12672 transitions. [2020-10-16 12:03:51,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:03:51,637 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:03:51,638 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:03:51,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:03:51,638 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:03:51,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:03:51,639 INFO L82 PathProgramCache]: Analyzing trace with hash -83904800, now seen corresponding path program 1 times [2020-10-16 12:03:51,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:03:51,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876785351] [2020-10-16 12:03:51,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:03:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:03:51,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:03:51,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876785351] [2020-10-16 12:03:51,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:03:51,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:03:51,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843852738] [2020-10-16 12:03:51,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:03:51,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:03:51,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:03:51,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:03:51,792 INFO L87 Difference]: Start difference. First operand 3252 states and 12672 transitions. Second operand 3 states. [2020-10-16 12:03:51,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:03:51,841 INFO L93 Difference]: Finished difference Result 3204 states and 12452 transitions. [2020-10-16 12:03:51,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:03:51,841 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-16 12:03:51,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:03:51,873 INFO L225 Difference]: With dead ends: 3204 [2020-10-16 12:03:51,873 INFO L226 Difference]: Without dead ends: 3204 [2020-10-16 12:03:51,874 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:03:51,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3204 states. [2020-10-16 12:03:51,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3204 to 3204. [2020-10-16 12:03:51,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3204 states. [2020-10-16 12:03:52,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 3204 states and 12452 transitions. [2020-10-16 12:03:52,098 INFO L78 Accepts]: Start accepts. Automaton has 3204 states and 12452 transitions. Word has length 12 [2020-10-16 12:03:52,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:03:52,099 INFO L481 AbstractCegarLoop]: Abstraction has 3204 states and 12452 transitions. [2020-10-16 12:03:52,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:03:52,100 INFO L276 IsEmpty]: Start isEmpty. Operand 3204 states and 12452 transitions. [2020-10-16 12:03:52,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:03:52,102 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:03:52,102 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:03:52,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:03:52,102 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:03:52,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:03:52,103 INFO L82 PathProgramCache]: Analyzing trace with hash 222562512, now seen corresponding path program 1 times [2020-10-16 12:03:52,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:03:52,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108295349] [2020-10-16 12:03:52,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:03:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:03:52,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:03:52,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108295349] [2020-10-16 12:03:52,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:03:52,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:03:52,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031507181] [2020-10-16 12:03:52,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:03:52,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:03:52,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:03:52,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:03:52,176 INFO L87 Difference]: Start difference. First operand 3204 states and 12452 transitions. Second operand 3 states. [2020-10-16 12:03:52,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:03:52,247 INFO L93 Difference]: Finished difference Result 4674 states and 17563 transitions. [2020-10-16 12:03:52,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:03:52,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-16 12:03:52,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:03:52,301 INFO L225 Difference]: With dead ends: 4674 [2020-10-16 12:03:52,301 INFO L226 Difference]: Without dead ends: 3474 [2020-10-16 12:03:52,302 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:03:52,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3474 states. [2020-10-16 12:03:52,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3474 to 3114. [2020-10-16 12:03:52,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3114 states. [2020-10-16 12:03:52,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 11665 transitions. [2020-10-16 12:03:52,425 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 11665 transitions. Word has length 13 [2020-10-16 12:03:52,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:03:52,425 INFO L481 AbstractCegarLoop]: Abstraction has 3114 states and 11665 transitions. [2020-10-16 12:03:52,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:03:52,426 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 11665 transitions. [2020-10-16 12:03:52,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:03:52,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:03:52,428 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:03:52,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:03:52,429 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:03:52,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:03:52,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1686434293, now seen corresponding path program 1 times [2020-10-16 12:03:52,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:03:52,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861257485] [2020-10-16 12:03:52,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:03:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:03:52,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:03:52,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861257485] [2020-10-16 12:03:52,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:03:52,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:03:52,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081808552] [2020-10-16 12:03:52,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:03:52,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:03:52,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:03:52,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:03:52,484 INFO L87 Difference]: Start difference. First operand 3114 states and 11665 transitions. Second operand 3 states. [2020-10-16 12:03:52,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:03:52,515 INFO L93 Difference]: Finished difference Result 2930 states and 10871 transitions. [2020-10-16 12:03:52,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:03:52,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-16 12:03:52,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:03:52,532 INFO L225 Difference]: With dead ends: 2930 [2020-10-16 12:03:52,532 INFO L226 Difference]: Without dead ends: 2930 [2020-10-16 12:03:52,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:03:52,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2930 states. [2020-10-16 12:03:52,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2930 to 2930. [2020-10-16 12:03:52,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2930 states. [2020-10-16 12:03:52,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 2930 states and 10871 transitions. [2020-10-16 12:03:52,628 INFO L78 Accepts]: Start accepts. Automaton has 2930 states and 10871 transitions. Word has length 13 [2020-10-16 12:03:52,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:03:52,629 INFO L481 AbstractCegarLoop]: Abstraction has 2930 states and 10871 transitions. [2020-10-16 12:03:52,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:03:52,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2930 states and 10871 transitions. [2020-10-16 12:03:52,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 12:03:52,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:03:52,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:03:52,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:03:52,634 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:03:52,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:03:52,634 INFO L82 PathProgramCache]: Analyzing trace with hash 456392049, now seen corresponding path program 1 times [2020-10-16 12:03:52,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:03:52,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254817934] [2020-10-16 12:03:52,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:03:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:03:52,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:03:52,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254817934] [2020-10-16 12:03:52,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:03:52,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:03:52,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320239223] [2020-10-16 12:03:52,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:03:52,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:03:52,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:03:52,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:03:52,731 INFO L87 Difference]: Start difference. First operand 2930 states and 10871 transitions. Second operand 4 states. [2020-10-16 12:03:52,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:03:52,787 INFO L93 Difference]: Finished difference Result 2914 states and 9786 transitions. [2020-10-16 12:03:52,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:03:52,788 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-16 12:03:52,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:03:52,796 INFO L225 Difference]: With dead ends: 2914 [2020-10-16 12:03:52,796 INFO L226 Difference]: Without dead ends: 2164 [2020-10-16 12:03:52,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:03:52,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2164 states. [2020-10-16 12:03:52,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2164 to 2164. [2020-10-16 12:03:52,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2164 states. [2020-10-16 12:03:52,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 2164 states and 7161 transitions. [2020-10-16 12:03:52,861 INFO L78 Accepts]: Start accepts. Automaton has 2164 states and 7161 transitions. Word has length 15 [2020-10-16 12:03:52,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:03:52,862 INFO L481 AbstractCegarLoop]: Abstraction has 2164 states and 7161 transitions. [2020-10-16 12:03:52,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:03:52,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2164 states and 7161 transitions. [2020-10-16 12:03:52,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 12:03:52,866 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:03:52,866 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:03:52,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:03:52,866 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:03:52,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:03:52,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1103036714, now seen corresponding path program 1 times [2020-10-16 12:03:52,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:03:52,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045430228] [2020-10-16 12:03:52,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:03:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:03:52,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:03:52,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045430228] [2020-10-16 12:03:52,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:03:52,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:03:52,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457780707] [2020-10-16 12:03:52,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:03:52,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:03:52,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:03:52,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:03:52,930 INFO L87 Difference]: Start difference. First operand 2164 states and 7161 transitions. Second operand 3 states. [2020-10-16 12:03:52,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:03:52,953 INFO L93 Difference]: Finished difference Result 3229 states and 10392 transitions. [2020-10-16 12:03:52,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:03:52,954 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-10-16 12:03:52,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:03:52,961 INFO L225 Difference]: With dead ends: 3229 [2020-10-16 12:03:52,962 INFO L226 Difference]: Without dead ends: 2245 [2020-10-16 12:03:52,962 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:03:53,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2245 states. [2020-10-16 12:03:53,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2245 to 2134. [2020-10-16 12:03:53,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2134 states. [2020-10-16 12:03:53,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 2134 states and 6763 transitions. [2020-10-16 12:03:53,102 INFO L78 Accepts]: Start accepts. Automaton has 2134 states and 6763 transitions. Word has length 18 [2020-10-16 12:03:53,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:03:53,102 INFO L481 AbstractCegarLoop]: Abstraction has 2134 states and 6763 transitions. [2020-10-16 12:03:53,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:03:53,103 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 6763 transitions. [2020-10-16 12:03:53,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 12:03:53,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:03:53,110 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:03:53,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:03:53,110 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:03:53,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:03:53,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1301697600, now seen corresponding path program 1 times [2020-10-16 12:03:53,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:03:53,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558060375] [2020-10-16 12:03:53,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:03:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:03:53,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:03:53,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558060375] [2020-10-16 12:03:53,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:03:53,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:03:53,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614094742] [2020-10-16 12:03:53,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:03:53,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:03:53,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:03:53,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:03:53,200 INFO L87 Difference]: Start difference. First operand 2134 states and 6763 transitions. Second operand 5 states. [2020-10-16 12:03:53,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:03:53,262 INFO L93 Difference]: Finished difference Result 1821 states and 5308 transitions. [2020-10-16 12:03:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:03:53,263 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-16 12:03:53,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:03:53,270 INFO L225 Difference]: With dead ends: 1821 [2020-10-16 12:03:53,271 INFO L226 Difference]: Without dead ends: 1391 [2020-10-16 12:03:53,271 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 [2020-10-16 12:03:53,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states. [2020-10-16 12:03:53,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 1391. [2020-10-16 12:03:53,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1391 states. [2020-10-16 12:03:53,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 3979 transitions. [2020-10-16 12:03:53,308 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 3979 transitions. Word has length 18 [2020-10-16 12:03:53,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:03:53,309 INFO L481 AbstractCegarLoop]: Abstraction has 1391 states and 3979 transitions. [2020-10-16 12:03:53,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:03:53,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 3979 transitions. [2020-10-16 12:03:53,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-16 12:03:53,315 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:03:53,315 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:03:53,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:03:53,316 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:03:53,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:03:53,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1940246851, now seen corresponding path program 1 times [2020-10-16 12:03:53,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:03:53,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701536036] [2020-10-16 12:03:53,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:03:53,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:03:53,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:03:53,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701536036] [2020-10-16 12:03:53,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:03:53,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:03:53,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708068112] [2020-10-16 12:03:53,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:03:53,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:03:53,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:03:53,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:03:53,488 INFO L87 Difference]: Start difference. First operand 1391 states and 3979 transitions. Second operand 6 states. [2020-10-16 12:03:53,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:03:53,558 INFO L93 Difference]: Finished difference Result 1238 states and 3505 transitions. [2020-10-16 12:03:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:03:53,558 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2020-10-16 12:03:53,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:03:53,562 INFO L225 Difference]: With dead ends: 1238 [2020-10-16 12:03:53,562 INFO L226 Difference]: Without dead ends: 1048 [2020-10-16 12:03:53,563 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:03:53,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2020-10-16 12:03:53,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 1048. [2020-10-16 12:03:53,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1048 states. [2020-10-16 12:03:53,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 2974 transitions. [2020-10-16 12:03:53,588 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 2974 transitions. Word has length 21 [2020-10-16 12:03:53,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:03:53,589 INFO L481 AbstractCegarLoop]: Abstraction has 1048 states and 2974 transitions. [2020-10-16 12:03:53,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:03:53,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 2974 transitions. [2020-10-16 12:03:53,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-16 12:03:53,592 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:03:53,592 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:03:53,592 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:03:53,593 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:03:53,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:03:53,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1097481977, now seen corresponding path program 1 times [2020-10-16 12:03:53,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:03:53,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570811680] [2020-10-16 12:03:53,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:03:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:03:53,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:03:53,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570811680] [2020-10-16 12:03:53,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:03:53,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:03:53,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114394270] [2020-10-16 12:03:53,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:03:53,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:03:53,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:03:53,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:03:53,646 INFO L87 Difference]: Start difference. First operand 1048 states and 2974 transitions. Second operand 3 states. [2020-10-16 12:03:53,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:03:53,657 INFO L93 Difference]: Finished difference Result 1426 states and 3956 transitions. [2020-10-16 12:03:53,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:03:53,658 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-16 12:03:53,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:03:53,661 INFO L225 Difference]: With dead ends: 1426 [2020-10-16 12:03:53,661 INFO L226 Difference]: Without dead ends: 941 [2020-10-16 12:03:53,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:03:53,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2020-10-16 12:03:53,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 938. [2020-10-16 12:03:53,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 938 states. [2020-10-16 12:03:53,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 2537 transitions. [2020-10-16 12:03:53,683 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 2537 transitions. Word has length 24 [2020-10-16 12:03:53,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:03:53,683 INFO L481 AbstractCegarLoop]: Abstraction has 938 states and 2537 transitions. [2020-10-16 12:03:53,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:03:53,683 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 2537 transitions. [2020-10-16 12:03:53,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-16 12:03:53,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:03:53,686 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:03:53,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:03:53,686 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:03:53,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:03:53,687 INFO L82 PathProgramCache]: Analyzing trace with hash -2038002769, now seen corresponding path program 2 times [2020-10-16 12:03:53,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:03:53,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95866545] [2020-10-16 12:03:53,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:03:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:03:53,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:03:53,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95866545] [2020-10-16 12:03:53,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:03:53,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:03:53,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084961334] [2020-10-16 12:03:53,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:03:53,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:03:53,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:03:53,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:03:53,883 INFO L87 Difference]: Start difference. First operand 938 states and 2537 transitions. Second operand 7 states. [2020-10-16 12:03:53,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:03:53,965 INFO L93 Difference]: Finished difference Result 909 states and 2480 transitions. [2020-10-16 12:03:53,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:03:53,965 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-10-16 12:03:53,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:03:53,967 INFO L225 Difference]: With dead ends: 909 [2020-10-16 12:03:53,967 INFO L226 Difference]: Without dead ends: 343 [2020-10-16 12:03:53,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:03:53,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-10-16 12:03:53,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2020-10-16 12:03:53,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2020-10-16 12:03:53,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 940 transitions. [2020-10-16 12:03:53,975 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 940 transitions. Word has length 24 [2020-10-16 12:03:53,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:03:53,975 INFO L481 AbstractCegarLoop]: Abstraction has 343 states and 940 transitions. [2020-10-16 12:03:53,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:03:53,976 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 940 transitions. [2020-10-16 12:03:53,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-16 12:03:53,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:03:53,977 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:03:53,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 12:03:53,977 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:03:53,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:03:53,978 INFO L82 PathProgramCache]: Analyzing trace with hash -377531711, now seen corresponding path program 1 times [2020-10-16 12:03:53,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:03:53,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958131605] [2020-10-16 12:03:53,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:03:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:03:54,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:03:54,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958131605] [2020-10-16 12:03:54,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:03:54,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:03:54,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689158217] [2020-10-16 12:03:54,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:03:54,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:03:54,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:03:54,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:03:54,236 INFO L87 Difference]: Start difference. First operand 343 states and 940 transitions. Second operand 7 states. [2020-10-16 12:03:54,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:03:54,407 INFO L93 Difference]: Finished difference Result 498 states and 1324 transitions. [2020-10-16 12:03:54,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:03:54,408 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-16 12:03:54,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:03:54,409 INFO L225 Difference]: With dead ends: 498 [2020-10-16 12:03:54,409 INFO L226 Difference]: Without dead ends: 280 [2020-10-16 12:03:54,409 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:03:54,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-10-16 12:03:54,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 241. [2020-10-16 12:03:54,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-10-16 12:03:54,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 614 transitions. [2020-10-16 12:03:54,416 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 614 transitions. Word has length 28 [2020-10-16 12:03:54,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:03:54,416 INFO L481 AbstractCegarLoop]: Abstraction has 241 states and 614 transitions. [2020-10-16 12:03:54,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:03:54,416 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 614 transitions. [2020-10-16 12:03:54,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-16 12:03:54,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:03:54,420 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:03:54,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 12:03:54,420 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:03:54,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:03:54,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1526982893, now seen corresponding path program 2 times [2020-10-16 12:03:54,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:03:54,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626029269] [2020-10-16 12:03:54,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:03:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:03:54,534 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:03:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:03:54,654 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:03:54,772 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:03:54,772 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:03:54,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 12:03:54,773 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 12:03:54,823 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1157] [1157] L2-->L874: Formula: (let ((.cse7 (= (mod ~b$r_buff1_thd0~0_In2078966784 256) 0)) (.cse6 (= (mod ~b$w_buff1_used~0_In2078966784 256) 0)) (.cse9 (= (mod ~b$r_buff0_thd0~0_In2078966784 256) 0)) (.cse8 (= (mod ~b$w_buff0_used~0_In2078966784 256) 0))) (let ((.cse0 (not .cse8)) (.cse1 (not .cse9)) (.cse2 (or .cse8 .cse9)) (.cse3 (not .cse6)) (.cse4 (not .cse7)) (.cse5 (or .cse6 .cse7))) (and (= ULTIMATE.start_assume_abort_if_not_~cond_Out2078966784 |ULTIMATE.start_assume_abort_if_not_#in~cond_In2078966784|) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out2078966784 0)) (or (and .cse0 .cse1 (= ~b$w_buff0_used~0_Out2078966784 0)) (and (= ~b$w_buff0_used~0_In2078966784 ~b$w_buff0_used~0_Out2078966784) .cse2)) (or (and (= ~b$w_buff0~0_In2078966784 ~b~0_Out2078966784) .cse0 .cse1) (and (or (and .cse3 .cse4 (= ~b$w_buff1~0_In2078966784 ~b~0_Out2078966784)) (and .cse5 (= ~b~0_Out2078966784 ~b~0_In2078966784))) .cse2)) (= ~b$r_buff1_thd0~0_Out2078966784 ~b$r_buff1_thd0~0_In2078966784) (or (and .cse3 (= 0 ~b$w_buff1_used~0_Out2078966784) .cse4) (and .cse5 (= ~b$w_buff1_used~0_In2078966784 ~b$w_buff1_used~0_Out2078966784))) (= ~b$r_buff0_thd0~0_Out2078966784 ~b$r_buff0_thd0~0_In2078966784)))) InVars {~b$w_buff0_used~0=~b$w_buff0_used~0_In2078966784, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In2078966784|, ~b$r_buff1_thd0~0=~b$r_buff1_thd0~0_In2078966784, ~b$w_buff1_used~0=~b$w_buff1_used~0_In2078966784, ~b~0=~b~0_In2078966784, ~b$w_buff1~0=~b$w_buff1~0_In2078966784, ~b$w_buff0~0=~b$w_buff0~0_In2078966784, ~b$r_buff0_thd0~0=~b$r_buff0_thd0~0_In2078966784} OutVars{~b$r_buff1_thd0~0=~b$r_buff1_thd0~0_Out2078966784, ULTIMATE.start_main_#t~ite58=|ULTIMATE.start_main_#t~ite58_Out2078966784|, ULTIMATE.start_main_#t~ite57=|ULTIMATE.start_main_#t~ite57_Out2078966784|, ULTIMATE.start_main_#t~ite54=|ULTIMATE.start_main_#t~ite54_Out2078966784|, ULTIMATE.start_main_#t~ite53=|ULTIMATE.start_main_#t~ite53_Out2078966784|, ULTIMATE.start_main_#t~ite56=|ULTIMATE.start_main_#t~ite56_Out2078966784|, ULTIMATE.start_main_#t~ite55=|ULTIMATE.start_main_#t~ite55_Out2078966784|, ~b$w_buff0_used~0=~b$w_buff0_used~0_Out2078966784, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In2078966784|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out2078966784, ~b$w_buff1_used~0=~b$w_buff1_used~0_Out2078966784, ~b~0=~b~0_Out2078966784, ~b$w_buff1~0=~b$w_buff1~0_In2078966784, ~b$w_buff0~0=~b$w_buff0~0_In2078966784, ~b$r_buff0_thd0~0=~b$r_buff0_thd0~0_Out2078966784} AuxVars[] AssignedVars[~b$w_buff0_used~0, ~b$r_buff1_thd0~0, ULTIMATE.start_assume_abort_if_not_~cond, ~b$w_buff1_used~0, ~b~0, ULTIMATE.start_main_#t~ite58, ULTIMATE.start_main_#t~ite57, ULTIMATE.start_main_#t~ite54, ULTIMATE.start_main_#t~ite53, ULTIMATE.start_main_#t~ite56, ~b$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite55] because there is no mapped edge [2020-10-16 12:03:54,829 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,830 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,833 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,833 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,833 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,833 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,833 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,833 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,834 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,834 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,834 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,834 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,836 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,836 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,836 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,836 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,836 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,837 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,837 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,837 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,837 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,837 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,838 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,838 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,838 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,838 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,838 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,839 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,839 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,839 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,839 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,839 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,840 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,840 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,840 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,840 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,840 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,841 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,841 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,841 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,841 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,841 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,842 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,842 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,842 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,842 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,842 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,843 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,843 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,843 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,843 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,843 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,844 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,844 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,845 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,845 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,845 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,845 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,845 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,846 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,846 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,846 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,846 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,846 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,847 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:03:54,847 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:03:54,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:03:54 BasicIcfg [2020-10-16 12:03:54,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:03:54,932 INFO L168 Benchmark]: Toolchain (without parser) took 11448.53 ms. Allocated memory was 140.0 MB in the beginning and 415.2 MB in the end (delta: 275.3 MB). Free memory was 101.6 MB in the beginning and 285.8 MB in the end (delta: -184.2 MB). Peak memory consumption was 336.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:03:54,932 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 12:03:54,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 838.94 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 101.2 MB in the beginning and 153.6 MB in the end (delta: -52.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2020-10-16 12:03:54,934 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.68 ms. Allocated memory is still 201.9 MB. Free memory was 153.6 MB in the beginning and 151.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-16 12:03:54,934 INFO L168 Benchmark]: Boogie Preprocessor took 41.49 ms. Allocated memory is still 201.9 MB. Free memory was 151.0 MB in the beginning and 148.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-16 12:03:54,935 INFO L168 Benchmark]: RCFGBuilder took 2621.22 ms. Allocated memory was 201.9 MB in the beginning and 247.5 MB in the end (delta: 45.6 MB). Free memory was 148.5 MB in the beginning and 140.2 MB in the end (delta: 8.2 MB). Peak memory consumption was 103.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:03:54,936 INFO L168 Benchmark]: TraceAbstraction took 7875.25 ms. Allocated memory was 247.5 MB in the beginning and 415.2 MB in the end (delta: 167.8 MB). Free memory was 140.2 MB in the beginning and 285.8 MB in the end (delta: -145.6 MB). Peak memory consumption was 267.2 MB. Max. memory is 7.1 GB. [2020-10-16 12:03:54,940 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 838.94 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 101.2 MB in the beginning and 153.6 MB in the end (delta: -52.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 64.68 ms. Allocated memory is still 201.9 MB. Free memory was 153.6 MB in the beginning and 151.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.49 ms. Allocated memory is still 201.9 MB. Free memory was 151.0 MB in the beginning and 148.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2621.22 ms. Allocated memory was 201.9 MB in the beginning and 247.5 MB in the end (delta: 45.6 MB). Free memory was 148.5 MB in the beginning and 140.2 MB in the end (delta: 8.2 MB). Peak memory consumption was 103.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7875.25 ms. Allocated memory was 247.5 MB in the beginning and 415.2 MB in the end (delta: 167.8 MB). Free memory was 140.2 MB in the beginning and 285.8 MB in the end (delta: -145.6 MB). Peak memory consumption was 267.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1357 VarBasedMoverChecksPositive, 45 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 127 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.8s, 124 PlacesBefore, 47 PlacesAfterwards, 113 TransitionsBefore, 34 TransitionsAfterwards, 2814 CoEnabledTransitionPairs, 7 FixpointIterations, 36 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 2 ChoiceCompositions, 87 TotalNumberOfCompositions, 8159 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L699] 0 int __unbuffered_cnt = 0; [L701] 0 int __unbuffered_p3_EAX = 0; [L703] 0 int __unbuffered_p3_EBX = 0; [L705] 0 int a = 0; [L707] 0 int b = 0; [L708] 0 _Bool b$flush_delayed; [L709] 0 int b$mem_tmp; [L710] 0 _Bool b$r_buff0_thd0; [L711] 0 _Bool b$r_buff0_thd1; [L712] 0 _Bool b$r_buff0_thd2; [L713] 0 _Bool b$r_buff0_thd3; [L714] 0 _Bool b$r_buff0_thd4; [L715] 0 _Bool b$r_buff1_thd0; [L716] 0 _Bool b$r_buff1_thd1; [L717] 0 _Bool b$r_buff1_thd2; [L718] 0 _Bool b$r_buff1_thd3; [L719] 0 _Bool b$r_buff1_thd4; [L720] 0 _Bool b$read_delayed; [L721] 0 int *b$read_delayed_var; [L722] 0 int b$w_buff0; [L723] 0 _Bool b$w_buff0_used; [L724] 0 int b$w_buff1; [L725] 0 _Bool b$w_buff1_used; [L726] 0 _Bool main$tmp_guard0; [L727] 0 _Bool main$tmp_guard1; [L729] 0 int x = 0; [L731] 0 int y = 0; [L733] 0 int z = 0; [L734] 0 _Bool weak$$choice0; [L735] 0 _Bool weak$$choice2; [L856] 0 pthread_t t1265; [L857] FCALL, FORK 0 pthread_create(&t1265, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L858] 0 pthread_t t1266; [L739] 1 b$w_buff1 = b$w_buff0 [L740] 1 b$w_buff0 = 1 [L741] 1 b$w_buff1_used = b$w_buff0_used [L742] 1 b$w_buff0_used = (_Bool)1 [L7] COND TRUE 1 !expression [L7] 1 __VERIFIER_error() [L744] 1 b$r_buff1_thd0 = b$r_buff0_thd0 [L745] 1 b$r_buff1_thd1 = b$r_buff0_thd1 [L746] 1 b$r_buff1_thd2 = b$r_buff0_thd2 [L747] 1 b$r_buff1_thd3 = b$r_buff0_thd3 [L748] 1 b$r_buff1_thd4 = b$r_buff0_thd4 [L749] 1 b$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L859] FCALL, FORK 0 pthread_create(&t1266, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L860] 0 pthread_t t1267; [L861] FCALL, FORK 0 pthread_create(&t1267, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L862] 0 pthread_t t1268; [L863] FCALL, FORK 0 pthread_create(&t1268, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L752] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L769] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L772] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L775] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L775] 2 b = b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L776] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L776] 2 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L777] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L777] 2 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L778] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L778] 2 b$r_buff0_thd2 = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L779] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L779] 2 b$r_buff1_thd2 = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L782] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L784] 2 return 0; [L789] 3 y = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L792] 3 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1] [L809] 4 z = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2] [L812] 4 a = 1 [L815] 4 __unbuffered_p3_EAX = a VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2] [L818] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L819] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L820] 4 b$flush_delayed = weak$$choice2 [L821] 4 b$mem_tmp = b [L822] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L822] 4 b = !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L823] EXPR 4 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L823] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0) [L823] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0 [L823] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0) [L823] EXPR 4 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L823] 4 b$w_buff0 = weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L824] EXPR 4 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L824] 4 b$w_buff1 = weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L825] EXPR 4 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L825] 4 b$w_buff0_used = weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L826] EXPR 4 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L826] 4 b$w_buff1_used = weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L827] EXPR 4 weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L827] 4 b$r_buff0_thd4 = weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L828] EXPR 4 weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L828] 4 b$r_buff1_thd4 = weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L829] 4 __unbuffered_p3_EBX = b [L830] EXPR 4 b$flush_delayed ? b$mem_tmp : b [L830] 4 b = b$flush_delayed ? b$mem_tmp : b [L831] 4 b$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=0, x=2, y=2, z=2] [L755] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L755] 1 b = b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L756] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L756] 1 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L757] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L757] 1 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L758] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L758] 1 b$r_buff0_thd1 = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L759] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L759] 1 b$r_buff1_thd1 = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L834] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L834] EXPR 4 b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b [L834] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L834] 4 b = b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L835] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L835] 4 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L836] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L836] 4 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L837] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L837] 4 b$r_buff0_thd4 = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L838] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L838] 4 b$r_buff1_thd4 = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L841] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L843] 4 return 0; [L762] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L764] 1 return 0; [L795] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L795] EXPR 3 b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b [L795] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L795] 3 b = b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L796] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L796] 3 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L797] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L797] 3 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L798] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L798] 3 b$r_buff0_thd3 = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L799] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L799] 3 b$r_buff1_thd3 = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L802] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L804] 3 return 0; [L865] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L876] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=0, x=2, y=2, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 112 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.4s, OverallIterations: 13, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.1s, HoareTripleCheckerStatistics: 429 SDtfs, 443 SDslu, 632 SDs, 0 SdLazy, 227 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4874occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 513 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 188 ConstructedInterpolants, 0 QuantifiedInterpolants, 15433 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...