/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-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix020_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:55:50,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:55:50,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:55:51,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:55:51,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:55:51,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:55:51,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:55:51,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:55:51,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:55:51,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:55:51,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:55:51,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:55:51,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:55:51,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:55:51,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:55:51,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:55:51,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:55:51,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:55:51,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:55:51,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:55:51,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:55:51,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:55:51,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:55:51,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:55:51,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:55:51,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:55:51,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:55:51,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:55:51,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:55:51,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:55:51,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:55:51,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:55:51,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:55:51,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:55:51,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:55:51,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:55:51,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:55:51,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:55:51,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:55:51,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:55:51,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:55:51,096 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-McrAutomaton-WP.epf [2020-10-16 12:55:51,118 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:55:51,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:55:51,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:55:51,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:55:51,120 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:55:51,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:55:51,121 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:55:51,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:55:51,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:55:51,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:55:51,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:55:51,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:55:51,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:55:51,122 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:55:51,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:55:51,122 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:55:51,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:55:51,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:55:51,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:55:51,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:55:51,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:55:51,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:55:51,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:55:51,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:55:51,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:55:51,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:55:51,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:55:51,125 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-16 12:55:51,125 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:55:51,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:55:51,125 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-16 12:55:51,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:55:51,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:55:51,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:55:51,480 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:55:51,480 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:55:51,481 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix020_power.opt.i [2020-10-16 12:55:51,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8f34ab67a/5cd1b3af882f4ade92959fb4409e635e/FLAGc78ac4c62 [2020-10-16 12:55:52,097 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:55:52,098 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix020_power.opt.i [2020-10-16 12:55:52,138 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8f34ab67a/5cd1b3af882f4ade92959fb4409e635e/FLAGc78ac4c62 [2020-10-16 12:55:52,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8f34ab67a/5cd1b3af882f4ade92959fb4409e635e [2020-10-16 12:55:52,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:55:52,417 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:55:52,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:55:52,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:55:52,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:55:52,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:55:52" (1/1) ... [2020-10-16 12:55:52,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e28374f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:52, skipping insertion in model container [2020-10-16 12:55:52,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:55:52" (1/1) ... [2020-10-16 12:55:52,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:55:52,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:55:53,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:55:53,089 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:55:53,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:55:53,252 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:55:53,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:53 WrapperNode [2020-10-16 12:55:53,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:55:53,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:55:53,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:55:53,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:55:53,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:53" (1/1) ... [2020-10-16 12:55:53,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:53" (1/1) ... [2020-10-16 12:55:53,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:55:53,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:55:53,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:55:53,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:55:53,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:53" (1/1) ... [2020-10-16 12:55:53,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:53" (1/1) ... [2020-10-16 12:55:53,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:53" (1/1) ... [2020-10-16 12:55:53,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:53" (1/1) ... [2020-10-16 12:55:53,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:53" (1/1) ... [2020-10-16 12:55:53,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:53" (1/1) ... [2020-10-16 12:55:53,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:53" (1/1) ... [2020-10-16 12:55:53,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:55:53,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:55:53,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:55:53,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:55:53,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:53" (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 12:55:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:55:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:55:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:55:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:55:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:55:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:55:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:55:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:55:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 12:55:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 12:55:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-16 12:55:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-16 12:55:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:55:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:55:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:55:53,483 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 12:55:56,190 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:55:56,191 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:55:56,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:55:56 BoogieIcfgContainer [2020-10-16 12:55:56,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:55:56,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:55:56,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:55:56,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:55:56,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:55:52" (1/3) ... [2020-10-16 12:55:56,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@393db4e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:55:56, skipping insertion in model container [2020-10-16 12:55:56,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:55:53" (2/3) ... [2020-10-16 12:55:56,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@393db4e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:55:56, skipping insertion in model container [2020-10-16 12:55:56,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:55:56" (3/3) ... [2020-10-16 12:55:56,203 INFO L111 eAbstractionObserver]: Analyzing ICFG mix020_power.opt.i [2020-10-16 12:55:56,215 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:55:56,215 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:55:56,224 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:55:56,225 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:55:56,262 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,262 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,262 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,263 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,263 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,263 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,264 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,264 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,264 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,264 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,264 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,265 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,265 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,265 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,265 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,268 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,268 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,268 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,268 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,268 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,268 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,269 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,269 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,269 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,269 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,269 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,270 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,270 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,270 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,270 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,270 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,270 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,271 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,271 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,271 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,271 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,271 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,271 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,272 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,272 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,274 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,275 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,275 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,275 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,275 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,275 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,276 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,277 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,277 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,277 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,277 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,277 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,278 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,278 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,278 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,278 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,278 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,278 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,279 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,279 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,323 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,323 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,324 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,324 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,327 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,327 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,328 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,328 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,328 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,328 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,328 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,328 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,328 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,329 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,330 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,331 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,331 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,331 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,331 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,331 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,331 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,332 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,332 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,334 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,335 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,335 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,335 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,335 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,335 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,336 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,336 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,337 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,340 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,342 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,344 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,344 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,344 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,344 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,344 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,345 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,345 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,345 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,345 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,345 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,346 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,346 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,346 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,351 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,351 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,351 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,352 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,352 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,352 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,352 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,353 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,353 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,353 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,353 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,353 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,354 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,354 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,354 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,354 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,355 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,355 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,355 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,355 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,355 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,356 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,356 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,356 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,356 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,356 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,357 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,357 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,357 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,357 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,357 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,357 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,358 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,358 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,358 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,360 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,360 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,360 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,360 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,362 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,362 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:55:56,364 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:55:56,379 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 12:55:56,403 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:55:56,403 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:55:56,403 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:55:56,404 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 12:55:56,404 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:55:56,404 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:55:56,404 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:55:56,404 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:55:56,422 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:55:56,423 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 110 transitions, 240 flow [2020-10-16 12:55:56,427 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 110 transitions, 240 flow [2020-10-16 12:55:56,430 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 121 places, 110 transitions, 240 flow [2020-10-16 12:55:56,484 INFO L129 PetriNetUnfolder]: 2/106 cut-off events. [2020-10-16 12:55:56,485 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:55:56,490 INFO L80 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 106 events. 2/106 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2020-10-16 12:55:56,494 INFO L117 LiptonReduction]: Number of co-enabled transitions 2340 [2020-10-16 12:55:56,928 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 12:55:57,059 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-16 12:55:58,023 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 12:55:59,354 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2020-10-16 12:55:59,490 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-16 12:55:59,626 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-16 12:55:59,780 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-16 12:55:59,792 INFO L132 LiptonReduction]: Checked pairs total: 6165 [2020-10-16 12:55:59,793 INFO L134 LiptonReduction]: Total number of compositions: 90 [2020-10-16 12:55:59,800 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 32 transitions, 84 flow [2020-10-16 12:55:59,969 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2410 states. [2020-10-16 12:55:59,972 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states. [2020-10-16 12:56:00,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 12:56:00,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:00,008 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:56:00,009 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:00,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:00,019 INFO L82 PathProgramCache]: Analyzing trace with hash -417435981, now seen corresponding path program 1 times [2020-10-16 12:56:00,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:00,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568116192] [2020-10-16 12:56:00,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:56:00,367 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 12:56:00,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568116192] [2020-10-16 12:56:00,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:56:00,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:56:00,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [253668418] [2020-10-16 12:56:00,371 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:56:00,374 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:56:00,393 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-16 12:56:00,394 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:56:00,398 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:56:00,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:56:00,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:56:00,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:56:00,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:56:00,417 INFO L87 Difference]: Start difference. First operand 2410 states. Second operand 3 states. [2020-10-16 12:56:00,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:56:00,512 INFO L93 Difference]: Finished difference Result 2090 states and 7968 transitions. [2020-10-16 12:56:00,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:56:00,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 12:56:00,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:56:00,553 INFO L225 Difference]: With dead ends: 2090 [2020-10-16 12:56:00,553 INFO L226 Difference]: Without dead ends: 1706 [2020-10-16 12:56:00,555 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 12:56:00,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2020-10-16 12:56:00,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1706. [2020-10-16 12:56:00,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1706 states. [2020-10-16 12:56:00,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 6400 transitions. [2020-10-16 12:56:00,727 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 6400 transitions. Word has length 9 [2020-10-16 12:56:00,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:56:00,729 INFO L481 AbstractCegarLoop]: Abstraction has 1706 states and 6400 transitions. [2020-10-16 12:56:00,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:56:00,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 6400 transitions. [2020-10-16 12:56:00,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 12:56:00,732 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:00,732 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:56:00,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:56:00,732 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:00,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:00,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1723950238, now seen corresponding path program 1 times [2020-10-16 12:56:00,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:00,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696344586] [2020-10-16 12:56:00,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:56:00,814 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 12:56:00,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696344586] [2020-10-16 12:56:00,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:56:00,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:56:00,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [966174255] [2020-10-16 12:56:00,816 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:56:00,818 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:56:00,820 INFO L258 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-16 12:56:00,821 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:56:00,822 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:56:00,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:56:00,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:56:00,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:56:00,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:56:00,824 INFO L87 Difference]: Start difference. First operand 1706 states and 6400 transitions. Second operand 3 states. [2020-10-16 12:56:00,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:56:00,851 INFO L93 Difference]: Finished difference Result 1658 states and 6180 transitions. [2020-10-16 12:56:00,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:56:00,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-16 12:56:00,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:56:00,867 INFO L225 Difference]: With dead ends: 1658 [2020-10-16 12:56:00,867 INFO L226 Difference]: Without dead ends: 1658 [2020-10-16 12:56:00,869 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 12:56:00,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2020-10-16 12:56:00,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1658. [2020-10-16 12:56:00,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1658 states. [2020-10-16 12:56:00,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 6180 transitions. [2020-10-16 12:56:00,941 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 6180 transitions. Word has length 11 [2020-10-16 12:56:00,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:56:00,942 INFO L481 AbstractCegarLoop]: Abstraction has 1658 states and 6180 transitions. [2020-10-16 12:56:00,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:56:00,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 6180 transitions. [2020-10-16 12:56:00,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:56:00,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:00,945 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:56:00,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:56:00,945 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:00,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:00,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1903976335, now seen corresponding path program 1 times [2020-10-16 12:56:00,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:00,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476376601] [2020-10-16 12:56:00,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:56:01,015 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 12:56:01,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476376601] [2020-10-16 12:56:01,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:56:01,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:56:01,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [27977683] [2020-10-16 12:56:01,016 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:56:01,018 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:56:01,020 INFO L258 McrAutomatonBuilder]: Finished intersection with 17 states and 20 transitions. [2020-10-16 12:56:01,020 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:56:01,058 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:56:01,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:56:01,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:56:01,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:56:01,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:56:01,059 INFO L87 Difference]: Start difference. First operand 1658 states and 6180 transitions. Second operand 3 states. [2020-10-16 12:56:01,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:56:01,088 INFO L93 Difference]: Finished difference Result 1546 states and 5712 transitions. [2020-10-16 12:56:01,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:56:01,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-16 12:56:01,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:56:01,102 INFO L225 Difference]: With dead ends: 1546 [2020-10-16 12:56:01,102 INFO L226 Difference]: Without dead ends: 1546 [2020-10-16 12:56:01,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 12:56:01,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2020-10-16 12:56:01,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1546. [2020-10-16 12:56:01,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1546 states. [2020-10-16 12:56:01,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 5712 transitions. [2020-10-16 12:56:01,164 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 5712 transitions. Word has length 12 [2020-10-16 12:56:01,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:56:01,165 INFO L481 AbstractCegarLoop]: Abstraction has 1546 states and 5712 transitions. [2020-10-16 12:56:01,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:56:01,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 5712 transitions. [2020-10-16 12:56:01,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:56:01,168 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:01,168 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:56:01,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:56:01,169 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:01,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:01,169 INFO L82 PathProgramCache]: Analyzing trace with hash 97795544, now seen corresponding path program 1 times [2020-10-16 12:56:01,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:01,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112248761] [2020-10-16 12:56:01,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:56:01,304 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 12:56:01,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112248761] [2020-10-16 12:56:01,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:56:01,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:56:01,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [128101337] [2020-10-16 12:56:01,306 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:56:01,310 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:56:01,317 INFO L258 McrAutomatonBuilder]: Finished intersection with 25 states and 36 transitions. [2020-10-16 12:56:01,318 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:56:01,466 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 12:56:01,486 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 12:56:01,510 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:56:01,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:56:01,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:56:01,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:56:01,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:56:01,511 INFO L87 Difference]: Start difference. First operand 1546 states and 5712 transitions. Second operand 4 states. [2020-10-16 12:56:01,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:56:01,577 INFO L93 Difference]: Finished difference Result 1597 states and 5366 transitions. [2020-10-16 12:56:01,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:56:01,577 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-16 12:56:01,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:56:01,588 INFO L225 Difference]: With dead ends: 1597 [2020-10-16 12:56:01,588 INFO L226 Difference]: Without dead ends: 1213 [2020-10-16 12:56:01,588 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 3 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 12:56:01,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2020-10-16 12:56:01,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1213. [2020-10-16 12:56:01,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1213 states. [2020-10-16 12:56:01,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 4047 transitions. [2020-10-16 12:56:01,641 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 4047 transitions. Word has length 14 [2020-10-16 12:56:01,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:56:01,642 INFO L481 AbstractCegarLoop]: Abstraction has 1213 states and 4047 transitions. [2020-10-16 12:56:01,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:56:01,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 4047 transitions. [2020-10-16 12:56:01,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 12:56:01,646 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:01,646 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:56:01,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:56:01,647 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:01,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:01,647 INFO L82 PathProgramCache]: Analyzing trace with hash -731732644, now seen corresponding path program 1 times [2020-10-16 12:56:01,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:01,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964027472] [2020-10-16 12:56:01,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:56:01,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:56:01,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964027472] [2020-10-16 12:56:01,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:56:01,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:56:01,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1090153241] [2020-10-16 12:56:01,808 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:56:01,818 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:56:01,830 INFO L258 McrAutomatonBuilder]: Finished intersection with 22 states and 26 transitions. [2020-10-16 12:56:01,831 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:56:01,900 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [24101#(<= ~__unbuffered_cnt~0 0)] [2020-10-16 12:56:01,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:56:01,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:56:01,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:56:01,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:56:01,902 INFO L87 Difference]: Start difference. First operand 1213 states and 4047 transitions. Second operand 6 states. [2020-10-16 12:56:02,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:56:02,025 INFO L93 Difference]: Finished difference Result 1042 states and 3173 transitions. [2020-10-16 12:56:02,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:56:02,026 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-16 12:56:02,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:56:02,034 INFO L225 Difference]: With dead ends: 1042 [2020-10-16 12:56:02,035 INFO L226 Difference]: Without dead ends: 793 [2020-10-16 12:56:02,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:56:02,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2020-10-16 12:56:02,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 793. [2020-10-16 12:56:02,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2020-10-16 12:56:02,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 2367 transitions. [2020-10-16 12:56:02,075 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 2367 transitions. Word has length 16 [2020-10-16 12:56:02,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:56:02,075 INFO L481 AbstractCegarLoop]: Abstraction has 793 states and 2367 transitions. [2020-10-16 12:56:02,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:56:02,076 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 2367 transitions. [2020-10-16 12:56:02,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-16 12:56:02,078 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:02,078 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:56:02,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:56:02,079 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:02,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:02,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1771484800, now seen corresponding path program 1 times [2020-10-16 12:56:02,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:02,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505186942] [2020-10-16 12:56:02,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:56:02,255 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 12:56:02,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505186942] [2020-10-16 12:56:02,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:56:02,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:56:02,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2117791358] [2020-10-16 12:56:02,257 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:56:02,263 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:56:02,296 INFO L258 McrAutomatonBuilder]: Finished intersection with 64 states and 116 transitions. [2020-10-16 12:56:02,296 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:56:02,577 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [26738#(<= ~__unbuffered_cnt~0 0)] [2020-10-16 12:56:02,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:56:02,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:56:02,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:56:02,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:56:02,578 INFO L87 Difference]: Start difference. First operand 793 states and 2367 transitions. Second operand 7 states. [2020-10-16 12:56:02,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:56:02,642 INFO L93 Difference]: Finished difference Result 684 states and 2009 transitions. [2020-10-16 12:56:02,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:56:02,642 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-10-16 12:56:02,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:56:02,696 INFO L225 Difference]: With dead ends: 684 [2020-10-16 12:56:02,696 INFO L226 Difference]: Without dead ends: 597 [2020-10-16 12:56:02,696 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:56:02,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2020-10-16 12:56:02,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2020-10-16 12:56:02,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-10-16 12:56:02,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 1779 transitions. [2020-10-16 12:56:02,715 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 1779 transitions. Word has length 19 [2020-10-16 12:56:02,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:56:02,715 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 1779 transitions. [2020-10-16 12:56:02,715 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:56:02,715 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1779 transitions. [2020-10-16 12:56:02,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 12:56:02,717 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:02,717 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] [2020-10-16 12:56:02,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:56:02,718 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:02,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:02,719 INFO L82 PathProgramCache]: Analyzing trace with hash 954151064, now seen corresponding path program 1 times [2020-10-16 12:56:02,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:02,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663565043] [2020-10-16 12:56:02,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:56:02,773 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 12:56:02,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663565043] [2020-10-16 12:56:02,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:56:02,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:56:02,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [700051166] [2020-10-16 12:56:02,774 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:56:02,780 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:56:02,847 INFO L258 McrAutomatonBuilder]: Finished intersection with 118 states and 249 transitions. [2020-10-16 12:56:02,847 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:56:02,979 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:56:02,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:56:02,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:56:02,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:56:02,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:56:02,980 INFO L87 Difference]: Start difference. First operand 597 states and 1779 transitions. Second operand 3 states. [2020-10-16 12:56:02,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:56:02,993 INFO L93 Difference]: Finished difference Result 814 states and 2360 transitions. [2020-10-16 12:56:02,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:56:02,994 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-16 12:56:02,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:56:02,998 INFO L225 Difference]: With dead ends: 814 [2020-10-16 12:56:02,999 INFO L226 Difference]: Without dead ends: 598 [2020-10-16 12:56:02,999 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 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 12:56:03,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2020-10-16 12:56:03,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 596. [2020-10-16 12:56:03,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-10-16 12:56:03,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 1679 transitions. [2020-10-16 12:56:03,017 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 1679 transitions. Word has length 22 [2020-10-16 12:56:03,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:56:03,017 INFO L481 AbstractCegarLoop]: Abstraction has 596 states and 1679 transitions. [2020-10-16 12:56:03,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:56:03,017 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1679 transitions. [2020-10-16 12:56:03,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 12:56:03,019 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:03,019 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] [2020-10-16 12:56:03,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:56:03,020 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:03,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:03,020 INFO L82 PathProgramCache]: Analyzing trace with hash -406731607, now seen corresponding path program 1 times [2020-10-16 12:56:03,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:03,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393860202] [2020-10-16 12:56:03,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:56:03,084 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 12:56:03,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393860202] [2020-10-16 12:56:03,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:56:03,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:56:03,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [241144314] [2020-10-16 12:56:03,085 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:56:03,091 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:56:03,124 INFO L258 McrAutomatonBuilder]: Finished intersection with 72 states and 129 transitions. [2020-10-16 12:56:03,125 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:56:03,307 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:56:03,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:56:03,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:56:03,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:56:03,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:56:03,308 INFO L87 Difference]: Start difference. First operand 596 states and 1679 transitions. Second operand 4 states. [2020-10-16 12:56:03,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:56:03,329 INFO L93 Difference]: Finished difference Result 765 states and 2102 transitions. [2020-10-16 12:56:03,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:56:03,329 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-10-16 12:56:03,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:56:03,333 INFO L225 Difference]: With dead ends: 765 [2020-10-16 12:56:03,333 INFO L226 Difference]: Without dead ends: 509 [2020-10-16 12:56:03,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 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 12:56:03,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2020-10-16 12:56:03,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 506. [2020-10-16 12:56:03,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2020-10-16 12:56:03,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 1332 transitions. [2020-10-16 12:56:03,348 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 1332 transitions. Word has length 22 [2020-10-16 12:56:03,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:56:03,349 INFO L481 AbstractCegarLoop]: Abstraction has 506 states and 1332 transitions. [2020-10-16 12:56:03,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:56:03,349 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 1332 transitions. [2020-10-16 12:56:03,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 12:56:03,351 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:03,351 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] [2020-10-16 12:56:03,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:56:03,351 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:03,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:03,352 INFO L82 PathProgramCache]: Analyzing trace with hash 909192906, now seen corresponding path program 2 times [2020-10-16 12:56:03,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:03,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980407521] [2020-10-16 12:56:03,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:56:03,464 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 12:56:03,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980407521] [2020-10-16 12:56:03,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:56:03,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:56:03,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1462012540] [2020-10-16 12:56:03,466 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:56:03,472 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:56:03,620 INFO L258 McrAutomatonBuilder]: Finished intersection with 131 states and 282 transitions. [2020-10-16 12:56:03,620 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:56:04,097 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [32419#(<= ~__unbuffered_cnt~0 0)] [2020-10-16 12:56:04,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:56:04,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:56:04,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:56:04,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:56:04,099 INFO L87 Difference]: Start difference. First operand 506 states and 1332 transitions. Second operand 8 states. [2020-10-16 12:56:04,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:56:04,176 INFO L93 Difference]: Finished difference Result 482 states and 1284 transitions. [2020-10-16 12:56:04,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:56:04,177 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-10-16 12:56:04,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:56:04,179 INFO L225 Difference]: With dead ends: 482 [2020-10-16 12:56:04,179 INFO L226 Difference]: Without dead ends: 185 [2020-10-16 12:56:04,182 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:56:04,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-10-16 12:56:04,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-10-16 12:56:04,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-10-16 12:56:04,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 445 transitions. [2020-10-16 12:56:04,190 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 445 transitions. Word has length 22 [2020-10-16 12:56:04,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:56:04,191 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 445 transitions. [2020-10-16 12:56:04,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:56:04,191 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 445 transitions. [2020-10-16 12:56:04,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-16 12:56:04,192 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:04,193 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:56:04,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:56:04,193 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:04,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:04,193 INFO L82 PathProgramCache]: Analyzing trace with hash -720745289, now seen corresponding path program 1 times [2020-10-16 12:56:04,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:04,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222411356] [2020-10-16 12:56:04,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:56:04,280 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 12:56:04,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222411356] [2020-10-16 12:56:04,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:56:04,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:56:04,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [894359866] [2020-10-16 12:56:04,281 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:56:04,287 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:56:04,362 INFO L258 McrAutomatonBuilder]: Finished intersection with 103 states and 197 transitions. [2020-10-16 12:56:04,362 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:56:04,697 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:56:04,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:56:04,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:56:04,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:56:04,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:56:04,699 INFO L87 Difference]: Start difference. First operand 185 states and 445 transitions. Second operand 4 states. [2020-10-16 12:56:04,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:56:04,713 INFO L93 Difference]: Finished difference Result 241 states and 576 transitions. [2020-10-16 12:56:04,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:56:04,714 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-10-16 12:56:04,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:56:04,715 INFO L225 Difference]: With dead ends: 241 [2020-10-16 12:56:04,715 INFO L226 Difference]: Without dead ends: 80 [2020-10-16 12:56:04,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 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 12:56:04,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-10-16 12:56:04,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-10-16 12:56:04,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-16 12:56:04,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 166 transitions. [2020-10-16 12:56:04,718 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 166 transitions. Word has length 25 [2020-10-16 12:56:04,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:56:04,719 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 166 transitions. [2020-10-16 12:56:04,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:56:04,719 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 166 transitions. [2020-10-16 12:56:04,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-16 12:56:04,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:04,720 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:56:04,720 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:56:04,720 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:04,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:04,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1857061229, now seen corresponding path program 2 times [2020-10-16 12:56:04,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:04,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725610638] [2020-10-16 12:56:04,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:56:05,241 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 12:56:05,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725610638] [2020-10-16 12:56:05,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:56:05,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 12:56:05,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1352077310] [2020-10-16 12:56:05,242 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:56:05,248 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:56:05,299 INFO L258 McrAutomatonBuilder]: Finished intersection with 72 states and 128 transitions. [2020-10-16 12:56:05,299 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:56:05,421 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 4, 4, 3, 3, 2, 1] term [2020-10-16 12:56:05,421 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,422 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,423 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,423 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,424 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,425 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 2, 4, 4, 3, 3, 2, 1] term [2020-10-16 12:56:05,425 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,426 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,426 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,427 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,427 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,429 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,429 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,431 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,431 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,432 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,432 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,434 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,438 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:56:05,442 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-10-16 12:56:05,451 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-10-16 12:56:05,479 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:56:05,500 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,501 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-16 12:56:05,582 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 4, 4, 3, 3, 2, 1] term [2020-10-16 12:56:05,583 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,583 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,583 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,584 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,584 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,586 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,586 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,587 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,587 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,588 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,588 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,590 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,590 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,591 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,592 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,592 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,593 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,594 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,597 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:56:05,601 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-10-16 12:56:05,609 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-10-16 12:56:05,633 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:56:05,650 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-16 12:56:05,651 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:56:05,652 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-10-16 12:56:05,757 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 4, 4, 3, 3, 2, 1] term [2020-10-16 12:56:05,758 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,759 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,759 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,760 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,760 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,761 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,761 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,762 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,762 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,763 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,763 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,764 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 2, 2, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,764 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,766 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,766 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,767 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-16 12:56:05,767 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,769 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,771 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-16 12:56:05,777 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:56:05,784 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:56:05,808 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-16 12:56:05,824 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,825 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-16 12:56:05,827 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-10-16 12:56:05,943 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,944 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,947 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 1] term [2020-10-16 12:56:05,948 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,949 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-16 12:56:05,949 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:05,950 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-10-16 12:56:05,950 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:06,218 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 39 [2020-10-16 12:56:06,224 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-16 12:56:06,225 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:06,225 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:06,230 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 1] term [2020-10-16 12:56:06,230 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:06,231 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-16 12:56:06,231 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:06,233 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-10-16 12:56:06,233 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:06,299 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-16 12:56:06,300 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-16 12:56:06,305 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:56:06,305 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:56:06,308 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 1] term [2020-10-16 12:56:06,308 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:06,309 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-16 12:56:06,309 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:06,310 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-10-16 12:56:06,310 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:06,502 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 38 [2020-10-16 12:56:06,516 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-16 12:56:06,516 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:06,517 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-16 12:56:06,518 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:06,519 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-10-16 12:56:06,519 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:06,524 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-16 12:56:06,526 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-16 12:56:06,526 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:56:06,527 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:56:06,583 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:06,584 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-16 12:56:06,585 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-16 12:56:06,585 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-16 12:56:06,597 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 1] term [2020-10-16 12:56:06,598 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:06,598 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-16 12:56:06,599 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:06,599 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-10-16 12:56:06,600 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-16 12:56:06,619 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 6 new interpolants: [33696#(and (or (= ~__unbuffered_p2_EAX~0 1) (= ~__unbuffered_p2_EAX~0 ~__unbuffered_p3_EAX~0) (= ~__unbuffered_p3_EAX~0 0)) (<= ~__unbuffered_cnt~0 0) (<= 0 ~__unbuffered_cnt~0)), 33697#(and (or (= ~__unbuffered_p3_EAX~0 0) (and (= ~z$w_buff0~0 1) (= ~z$r_buff1_thd3~0 0) (or (= ~z~0 ~__unbuffered_p3_EAX~0) (= ~z~0 1)))) (<= ~__unbuffered_cnt~0 0) (<= 0 ~__unbuffered_cnt~0)), 33698#(and (or (and (not (= (mod ~z$w_buff0_used~0 256) 0)) (not (= (mod ~z$r_buff0_thd4~0 256) 0))) (and (or (= (mod ~z$w_buff1_used~0 256) 0) (= ~__unbuffered_p3_EAX~0 0) (= (mod ~z$r_buff1_thd4~0 256) 0)) (or (= ~z~0 ~__unbuffered_p3_EAX~0) (= ~__unbuffered_p3_EAX~0 0) (= ~z~0 1)))) (<= 1 ~__unbuffered_cnt~0) (<= ~__unbuffered_cnt~0 1) (or (= ~__unbuffered_p3_EAX~0 0) (and (= ~z$w_buff0~0 1) (= ~z$r_buff1_thd3~0 0)))), 33699#(and (<= ~__unbuffered_cnt~0 0) (<= 0 ~__unbuffered_cnt~0) (or (and (not (= (mod ~z$w_buff0_used~0 256) 0)) (not (= (mod ~z$r_buff0_thd4~0 256) 0))) (and (or (= (mod ~z$w_buff1_used~0 256) 0) (= ~__unbuffered_p3_EAX~0 0) (= (mod ~z$r_buff1_thd4~0 256) 0)) (or (= ~z~0 ~__unbuffered_p3_EAX~0) (= ~__unbuffered_p3_EAX~0 0) (= ~z~0 1)))) (or (= ~__unbuffered_p3_EAX~0 0) (and (= ~z$w_buff0~0 1) (= ~z$r_buff1_thd3~0 0)))), 33694#(and (<= 2 ~__unbuffered_cnt~0) (or (= ~__unbuffered_p2_EAX~0 1) (= ~__unbuffered_p2_EAX~0 ~__unbuffered_p3_EAX~0) (= ~__unbuffered_p3_EAX~0 0)) (<= ~__unbuffered_cnt~0 2)), 33695#(and (or (= ~__unbuffered_p2_EAX~0 1) (= ~__unbuffered_p2_EAX~0 ~__unbuffered_p3_EAX~0) (= ~__unbuffered_p3_EAX~0 0)) (<= 1 ~__unbuffered_cnt~0) (<= ~__unbuffered_cnt~0 1))] [2020-10-16 12:56:06,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-16 12:56:06,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:56:06,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-16 12:56:06,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-10-16 12:56:06,621 INFO L87 Difference]: Start difference. First operand 80 states and 166 transitions. Second operand 18 states. [2020-10-16 12:56:07,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:56:07,782 INFO L93 Difference]: Finished difference Result 102 states and 206 transitions. [2020-10-16 12:56:07,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-16 12:56:07,783 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 25 [2020-10-16 12:56:07,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:56:07,784 INFO L225 Difference]: With dead ends: 102 [2020-10-16 12:56:07,784 INFO L226 Difference]: Without dead ends: 56 [2020-10-16 12:56:07,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 8 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=90, Invalid=560, Unknown=0, NotChecked=0, Total=650 [2020-10-16 12:56:07,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-16 12:56:07,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-10-16 12:56:07,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-16 12:56:07,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 98 transitions. [2020-10-16 12:56:07,788 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 98 transitions. Word has length 25 [2020-10-16 12:56:07,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:56:07,788 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 98 transitions. [2020-10-16 12:56:07,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-16 12:56:07,788 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 98 transitions. [2020-10-16 12:56:07,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-16 12:56:07,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:56:07,789 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:56:07,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 12:56:07,789 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:56:07,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:56:07,790 INFO L82 PathProgramCache]: Analyzing trace with hash -955401275, now seen corresponding path program 3 times [2020-10-16 12:56:07,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:56:07,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537053325] [2020-10-16 12:56:07,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:56:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:56:07,834 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:56:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:56:07,898 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:56:07,940 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:56:07,941 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:56:07,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 12:56:07,942 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 12:56:07,962 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1194] [1194] L2-->L871: Formula: (let ((.cse7 (= (mod ~z$w_buff0_used~0_In-766190505 256) 0)) (.cse6 (= (mod ~z$r_buff0_thd0~0_In-766190505 256) 0)) (.cse8 (= (mod ~z$r_buff1_thd0~0_In-766190505 256) 0)) (.cse9 (= (mod ~z$w_buff1_used~0_In-766190505 256) 0))) (let ((.cse1 (not .cse9)) (.cse2 (not .cse8)) (.cse0 (or .cse8 .cse9)) (.cse4 (not .cse6)) (.cse5 (not .cse7)) (.cse3 (or .cse6 .cse7))) (and (or (and (= ~z$w_buff1_used~0_Out-766190505 ~z$w_buff1_used~0_In-766190505) .cse0) (and .cse1 (= ~z$w_buff1_used~0_Out-766190505 0) .cse2)) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out-766190505 0)) (= ~z$r_buff1_thd0~0_In-766190505 ~z$r_buff1_thd0~0_Out-766190505) (= ~z$r_buff0_thd0~0_In-766190505 ~z$r_buff0_thd0~0_Out-766190505) (or (and (or (and (= ~z$w_buff1~0_In-766190505 ~z~0_Out-766190505) .cse1 .cse2) (and (= ~z~0_In-766190505 ~z~0_Out-766190505) .cse0)) .cse3) (and .cse4 .cse5 (= ~z~0_Out-766190505 ~z$w_buff0~0_In-766190505))) (or (and .cse4 .cse5 (= ~z$w_buff0_used~0_Out-766190505 0)) (and .cse3 (= ~z$w_buff0_used~0_In-766190505 ~z$w_buff0_used~0_Out-766190505))) (= ULTIMATE.start_assume_abort_if_not_~cond_Out-766190505 |ULTIMATE.start_assume_abort_if_not_#in~cond_In-766190505|)))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-766190505|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In-766190505, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-766190505, ~z$w_buff0~0=~z$w_buff0~0_In-766190505, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In-766190505, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-766190505, ~z$w_buff1~0=~z$w_buff1~0_In-766190505, ~z~0=~z~0_In-766190505} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_Out-766190505, ~z$w_buff0~0=~z$w_buff0~0_In-766190505, ~z$w_buff1_used~0=~z$w_buff1_used~0_Out-766190505, ULTIMATE.start_main_#t~ite58=|ULTIMATE.start_main_#t~ite58_Out-766190505|, ~z$w_buff1~0=~z$w_buff1~0_In-766190505, ULTIMATE.start_main_#t~ite59=|ULTIMATE.start_main_#t~ite59_Out-766190505|, ULTIMATE.start_main_#t~ite62=|ULTIMATE.start_main_#t~ite62_Out-766190505|, ULTIMATE.start_main_#t~ite63=|ULTIMATE.start_main_#t~ite63_Out-766190505|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-766190505|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_Out-766190505, ULTIMATE.start_main_#t~ite60=|ULTIMATE.start_main_#t~ite60_Out-766190505|, ULTIMATE.start_main_#t~ite61=|ULTIMATE.start_main_#t~ite61_Out-766190505|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-766190505, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_Out-766190505, ~z~0=~z~0_Out-766190505} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite62, ULTIMATE.start_main_#t~ite63, ~z$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite60, ULTIMATE.start_main_#t~ite61, ULTIMATE.start_assume_abort_if_not_~cond, ~z$w_buff0_used~0, ~z$r_buff1_thd0~0, ~z$w_buff1_used~0, ULTIMATE.start_main_#t~ite58, ULTIMATE.start_main_#t~ite59, ~z~0] because there is no mapped edge [2020-10-16 12:56:07,969 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:07,970 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,970 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:07,970 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,971 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:07,971 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,972 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:07,972 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,972 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:07,972 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,972 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:07,972 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,973 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 12:56:07,973 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,973 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 12:56:07,973 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,973 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 12:56:07,973 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,973 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 12:56:07,973 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,974 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 12:56:07,974 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,977 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:07,977 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,977 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:07,978 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,978 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:56:07,978 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,979 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 12:56:07,980 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,980 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 12:56:07,980 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,980 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 12:56:07,980 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,980 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 12:56:07,981 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,981 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 12:56:07,981 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,981 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 12:56:07,981 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,982 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 12:56:07,982 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,982 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 12:56:07,982 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,982 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 12:56:07,982 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,982 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 12:56:07,983 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,983 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 12:56:07,983 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,983 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 12:56:07,984 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,984 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 12:56:07,984 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,984 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 12:56:07,984 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,985 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 12:56:07,985 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,985 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 12:56:07,985 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:07,985 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 12:56:07,985 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:56:08,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:56:08 BasicIcfg [2020-10-16 12:56:08,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:56:08,059 INFO L168 Benchmark]: Toolchain (without parser) took 15642.90 ms. Allocated memory was 141.0 MB in the beginning and 487.1 MB in the end (delta: 346.0 MB). Free memory was 102.8 MB in the beginning and 105.8 MB in the end (delta: -3.0 MB). Peak memory consumption was 343.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:56:08,060 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 12:56:08,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 835.25 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 102.6 MB in the beginning and 155.6 MB in the end (delta: -53.0 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2020-10-16 12:56:08,061 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.47 ms. Allocated memory is still 203.4 MB. Free memory was 155.6 MB in the beginning and 152.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-16 12:56:08,062 INFO L168 Benchmark]: Boogie Preprocessor took 47.80 ms. Allocated memory is still 203.4 MB. Free memory was 152.9 MB in the beginning and 149.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2020-10-16 12:56:08,063 INFO L168 Benchmark]: RCFGBuilder took 2827.88 ms. Allocated memory was 203.4 MB in the beginning and 246.9 MB in the end (delta: 43.5 MB). Free memory was 149.7 MB in the beginning and 106.4 MB in the end (delta: 43.3 MB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. [2020-10-16 12:56:08,064 INFO L168 Benchmark]: TraceAbstraction took 11861.86 ms. Allocated memory was 246.9 MB in the beginning and 487.1 MB in the end (delta: 240.1 MB). Free memory was 106.4 MB in the beginning and 105.8 MB in the end (delta: 584.0 kB). Peak memory consumption was 240.7 MB. Max. memory is 7.1 GB. [2020-10-16 12:56:08,068 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 835.25 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 102.6 MB in the beginning and 155.6 MB in the end (delta: -53.0 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 63.47 ms. Allocated memory is still 203.4 MB. Free memory was 155.6 MB in the beginning and 152.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.80 ms. Allocated memory is still 203.4 MB. Free memory was 152.9 MB in the beginning and 149.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2827.88 ms. Allocated memory was 203.4 MB in the beginning and 246.9 MB in the end (delta: 43.5 MB). Free memory was 149.7 MB in the beginning and 106.4 MB in the end (delta: 43.3 MB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11861.86 ms. Allocated memory was 246.9 MB in the beginning and 487.1 MB in the end (delta: 240.1 MB). Free memory was 106.4 MB in the beginning and 105.8 MB in the end (delta: 584.0 kB). Peak memory consumption was 240.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1231 VarBasedMoverChecksPositive, 40 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 124 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.3s, 121 PlacesBefore, 44 PlacesAfterwards, 110 TransitionsBefore, 32 TransitionsAfterwards, 2340 CoEnabledTransitionPairs, 7 FixpointIterations, 37 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 90 TotalNumberOfCompositions, 6165 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_p0_EAX = 0; [L703] 0 int __unbuffered_p2_EAX = 0; [L705] 0 int __unbuffered_p3_EAX = 0; [L707] 0 int __unbuffered_p3_EBX = 0; [L709] 0 int a = 0; [L710] 0 _Bool main$tmp_guard0; [L711] 0 _Bool main$tmp_guard1; [L713] 0 int x = 0; [L715] 0 int y = 0; [L717] 0 int z = 0; [L718] 0 _Bool z$flush_delayed; [L719] 0 int z$mem_tmp; [L720] 0 _Bool z$r_buff0_thd0; [L721] 0 _Bool z$r_buff0_thd1; [L722] 0 _Bool z$r_buff0_thd2; [L723] 0 _Bool z$r_buff0_thd3; [L724] 0 _Bool z$r_buff0_thd4; [L725] 0 _Bool z$r_buff1_thd0; [L726] 0 _Bool z$r_buff1_thd1; [L727] 0 _Bool z$r_buff1_thd2; [L728] 0 _Bool z$r_buff1_thd3; [L729] 0 _Bool z$r_buff1_thd4; [L730] 0 _Bool z$read_delayed; [L731] 0 int *z$read_delayed_var; [L732] 0 int z$w_buff0; [L733] 0 _Bool z$w_buff0_used; [L734] 0 int z$w_buff1; [L735] 0 _Bool z$w_buff1_used; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L853] 0 pthread_t t525; [L854] FCALL, FORK 0 pthread_create(&t525, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L855] 0 pthread_t t526; [L856] FCALL, FORK 0 pthread_create(&t526, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L857] 0 pthread_t t527; [L858] FCALL, FORK 0 pthread_create(&t527, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L859] 0 pthread_t t528; [L860] FCALL, FORK 0 pthread_create(&t528, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L799] 4 z$w_buff1 = z$w_buff0 [L800] 4 z$w_buff0 = 1 [L801] 4 z$w_buff1_used = z$w_buff0_used [L802] 4 z$w_buff0_used = (_Bool)1 [L7] COND TRUE 4 !expression [L7] 4 __VERIFIER_error() [L804] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L805] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L806] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L807] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L808] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L809] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L812] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L813] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L814] 4 z$flush_delayed = weak$$choice2 [L815] 4 z$mem_tmp = z [L816] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L816] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L817] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L817] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0) [L817] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L817] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L818] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L818] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1) [L818] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L818] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L819] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L819] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L820] EXPR 4 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L820] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L821] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L821] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4) [L821] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L821] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L822] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L822] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L822] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0 [L822] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L822] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L822] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L823] 4 __unbuffered_p3_EAX = z [L824] EXPR 4 z$flush_delayed ? z$mem_tmp : z [L824] 4 z = z$flush_delayed ? z$mem_tmp : z [L825] 4 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L828] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L741] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L744] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L749] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L751] 1 return 0; [L756] 2 x = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L759] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L764] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L766] 2 return 0; [L771] 3 y = 2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L774] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L775] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L776] 3 z$flush_delayed = weak$$choice2 [L777] 3 z$mem_tmp = z [L778] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L778] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L779] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L779] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L779] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L779] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L780] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L780] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L781] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L781] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L782] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L782] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L782] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L782] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L783] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L783] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L784] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L784] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L784] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L784] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L785] 3 __unbuffered_p2_EAX = z [L786] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L786] 3 z = z$flush_delayed ? z$mem_tmp : z [L787] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=10, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L792] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L794] 3 return 0; [L831] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L831] EXPR 4 z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z [L831] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L831] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L832] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L832] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L833] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L833] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L834] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L834] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L835] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L835] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L838] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L840] 4 return 0; [L862] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L873] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=10, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 109 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.5s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 359 SDtfs, 386 SDslu, 794 SDs, 0 SdLazy, 653 SolverSat, 108 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 388 GetRequests, 325 SyntacticMatches, 8 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2410occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 20186 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...