/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix046_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 23:00:12,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 23:00:12,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 23:00:12,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 23:00:12,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 23:00:12,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 23:00:12,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 23:00:12,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 23:00:12,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 23:00:12,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 23:00:12,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 23:00:12,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 23:00:12,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 23:00:12,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 23:00:12,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 23:00:12,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 23:00:12,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 23:00:12,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 23:00:12,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 23:00:12,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 23:00:12,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 23:00:12,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 23:00:12,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 23:00:12,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 23:00:12,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-21 23:00:12,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 23:00:12,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 23:00:12,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 23:00:12,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 23:00:12,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 23:00:12,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 23:00:12,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 23:00:12,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 23:00:12,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 23:00:12,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 23:00:12,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 23:00:12,332 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-21 23:00:12,356 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 23:00:12,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 23:00:12,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 23:00:12,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 23:00:12,358 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 23:00:12,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 23:00:12,359 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 23:00:12,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 23:00:12,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 23:00:12,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 23:00:12,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 23:00:12,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 23:00:12,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 23:00:12,360 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 23:00:12,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 23:00:12,360 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 23:00:12,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 23:00:12,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 23:00:12,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 23:00:12,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 23:00:12,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 23:00:12,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:00:12,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 23:00:12,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 23:00:12,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 23:00:12,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 23:00:12,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 23:00:12,363 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 23:00:12,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 23:00:12,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 23:00:12,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 23:00:12,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 23:00:12,663 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 23:00:12,663 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 23:00:12,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix046_rmo.oepc.i [2020-10-21 23:00:12,723 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/858566a46/5d2c3c21340b4b79a5e786b04006b3f0/FLAG43626efe9 [2020-10-21 23:00:13,238 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 23:00:13,239 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix046_rmo.oepc.i [2020-10-21 23:00:13,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/858566a46/5d2c3c21340b4b79a5e786b04006b3f0/FLAG43626efe9 [2020-10-21 23:00:13,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/858566a46/5d2c3c21340b4b79a5e786b04006b3f0 [2020-10-21 23:00:13,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 23:00:13,580 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 23:00:13,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 23:00:13,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 23:00:13,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 23:00:13,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:00:13" (1/1) ... [2020-10-21 23:00:13,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dcd0b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:13, skipping insertion in model container [2020-10-21 23:00:13,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:00:13" (1/1) ... [2020-10-21 23:00:13,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 23:00:13,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 23:00:14,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:00:14,297 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 23:00:14,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:00:14,492 INFO L208 MainTranslator]: Completed translation [2020-10-21 23:00:14,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:14 WrapperNode [2020-10-21 23:00:14,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 23:00:14,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 23:00:14,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 23:00:14,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 23:00:14,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:14" (1/1) ... [2020-10-21 23:00:14,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:14" (1/1) ... [2020-10-21 23:00:14,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 23:00:14,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 23:00:14,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 23:00:14,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 23:00:14,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:14" (1/1) ... [2020-10-21 23:00:14,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:14" (1/1) ... [2020-10-21 23:00:14,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:14" (1/1) ... [2020-10-21 23:00:14,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:14" (1/1) ... [2020-10-21 23:00:14,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:14" (1/1) ... [2020-10-21 23:00:14,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:14" (1/1) ... [2020-10-21 23:00:14,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:14" (1/1) ... [2020-10-21 23:00:14,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 23:00:14,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 23:00:14,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 23:00:14,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 23:00:14,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:00:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 23:00:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 23:00:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 23:00:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 23:00:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 23:00:14,699 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 23:00:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 23:00:14,699 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 23:00:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-21 23:00:14,700 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-21 23:00:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-21 23:00:14,700 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-21 23:00:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 23:00:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 23:00:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 23:00:14,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 23:00:14,703 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 23:00:16,962 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 23:00:16,963 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-21 23:00:16,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:00:16 BoogieIcfgContainer [2020-10-21 23:00:16,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 23:00:16,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 23:00:16,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 23:00:16,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 23:00:16,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 11:00:13" (1/3) ... [2020-10-21 23:00:16,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e316621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:00:16, skipping insertion in model container [2020-10-21 23:00:16,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:00:14" (2/3) ... [2020-10-21 23:00:16,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e316621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:00:16, skipping insertion in model container [2020-10-21 23:00:16,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:00:16" (3/3) ... [2020-10-21 23:00:16,974 INFO L111 eAbstractionObserver]: Analyzing ICFG mix046_rmo.oepc.i [2020-10-21 23:00:16,986 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 23:00:16,986 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 23:00:16,995 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-21 23:00:16,996 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 23:00:17,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,032 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,032 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,033 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,033 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,033 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,033 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,034 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,034 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,034 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,034 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,036 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,036 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,036 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,036 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,037 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,037 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,037 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,038 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,038 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,038 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,038 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,038 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,040 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,040 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,041 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,041 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,041 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,041 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,041 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,044 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,044 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,044 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,044 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,045 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,045 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,045 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,045 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,045 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,045 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,058 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,059 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,067 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,068 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,071 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,071 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,071 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,072 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,077 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,077 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,078 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,079 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,079 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,079 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,081 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,081 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:00:17,083 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 23:00:17,098 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-21 23:00:17,120 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:00:17,120 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:00:17,120 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:00:17,120 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 23:00:17,120 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:00:17,120 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:00:17,121 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:00:17,121 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:00:17,136 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:00:17,136 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 123 transitions, 266 flow [2020-10-21 23:00:17,139 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 123 transitions, 266 flow [2020-10-21 23:00:17,142 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 133 places, 123 transitions, 266 flow [2020-10-21 23:00:17,198 INFO L129 PetriNetUnfolder]: 3/119 cut-off events. [2020-10-21 23:00:17,199 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 23:00:17,204 INFO L80 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 119 events. 3/119 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 99 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 82. Up to 2 conditions per place. [2020-10-21 23:00:17,209 INFO L116 LiptonReduction]: Number of co-enabled transitions 3124 [2020-10-21 23:00:17,572 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2020-10-21 23:00:18,627 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-10-21 23:00:19,647 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-21 23:00:20,384 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2020-10-21 23:00:20,608 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-21 23:00:20,626 INFO L131 LiptonReduction]: Checked pairs total: 8235 [2020-10-21 23:00:20,626 INFO L133 LiptonReduction]: Total number of compositions: 103 [2020-10-21 23:00:20,632 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 34 transitions, 88 flow [2020-10-21 23:00:20,962 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4874 states. [2020-10-21 23:00:20,965 INFO L276 IsEmpty]: Start isEmpty. Operand 4874 states. [2020-10-21 23:00:20,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-21 23:00:20,971 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:20,972 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-21 23:00:20,973 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:20,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:20,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1248956, now seen corresponding path program 1 times [2020-10-21 23:00:20,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:20,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263705039] [2020-10-21 23:00:20,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:21,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:21,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263705039] [2020-10-21 23:00:21,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:21,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:00:21,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805483219] [2020-10-21 23:00:21,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:00:21,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:21,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:00:21,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:00:21,257 INFO L87 Difference]: Start difference. First operand 4874 states. Second operand 3 states. [2020-10-21 23:00:21,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:21,398 INFO L93 Difference]: Finished difference Result 4062 states and 16125 transitions. [2020-10-21 23:00:21,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:00:21,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-21 23:00:21,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:21,449 INFO L225 Difference]: With dead ends: 4062 [2020-10-21 23:00:21,449 INFO L226 Difference]: Without dead ends: 3312 [2020-10-21 23:00:21,451 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 [2020-10-21 23:00:21,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3312 states. [2020-10-21 23:00:21,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3312 to 3312. [2020-10-21 23:00:21,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3312 states. [2020-10-21 23:00:21,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 12950 transitions. [2020-10-21 23:00:21,670 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 12950 transitions. Word has length 3 [2020-10-21 23:00:21,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:21,670 INFO L481 AbstractCegarLoop]: Abstraction has 3312 states and 12950 transitions. [2020-10-21 23:00:21,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:00:21,671 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 12950 transitions. [2020-10-21 23:00:21,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 23:00:21,674 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:21,674 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:21,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 23:00:21,675 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:21,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:21,675 INFO L82 PathProgramCache]: Analyzing trace with hash -2053809436, now seen corresponding path program 1 times [2020-10-21 23:00:21,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:21,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823618856] [2020-10-21 23:00:21,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:21,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:21,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823618856] [2020-10-21 23:00:21,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:21,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:00:21,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652470150] [2020-10-21 23:00:21,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:00:21,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:21,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:00:21,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:00:21,767 INFO L87 Difference]: Start difference. First operand 3312 states and 12950 transitions. Second operand 3 states. [2020-10-21 23:00:21,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:21,812 INFO L93 Difference]: Finished difference Result 3252 states and 12672 transitions. [2020-10-21 23:00:21,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:00:21,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-21 23:00:21,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:21,846 INFO L225 Difference]: With dead ends: 3252 [2020-10-21 23:00:21,846 INFO L226 Difference]: Without dead ends: 3252 [2020-10-21 23:00:21,847 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 [2020-10-21 23:00:21,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3252 states. [2020-10-21 23:00:21,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3252 to 3252. [2020-10-21 23:00:21,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3252 states. [2020-10-21 23:00:22,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 3252 states and 12672 transitions. [2020-10-21 23:00:22,087 INFO L78 Accepts]: Start accepts. Automaton has 3252 states and 12672 transitions. Word has length 11 [2020-10-21 23:00:22,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:22,088 INFO L481 AbstractCegarLoop]: Abstraction has 3252 states and 12672 transitions. [2020-10-21 23:00:22,088 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:00:22,089 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 12672 transitions. [2020-10-21 23:00:22,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 23:00:22,092 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:22,092 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:22,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 23:00:22,093 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:22,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:22,093 INFO L82 PathProgramCache]: Analyzing trace with hash 756415356, now seen corresponding path program 1 times [2020-10-21 23:00:22,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:22,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540675192] [2020-10-21 23:00:22,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:22,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:22,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540675192] [2020-10-21 23:00:22,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:22,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:00:22,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931260427] [2020-10-21 23:00:22,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:00:22,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:22,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:00:22,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:00:22,169 INFO L87 Difference]: Start difference. First operand 3252 states and 12672 transitions. Second operand 3 states. [2020-10-21 23:00:22,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:22,227 INFO L93 Difference]: Finished difference Result 3212 states and 12490 transitions. [2020-10-21 23:00:22,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:00:22,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-21 23:00:22,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:22,255 INFO L225 Difference]: With dead ends: 3212 [2020-10-21 23:00:22,255 INFO L226 Difference]: Without dead ends: 3212 [2020-10-21 23:00:22,256 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 [2020-10-21 23:00:22,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3212 states. [2020-10-21 23:00:22,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3212 to 3212. [2020-10-21 23:00:22,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3212 states. [2020-10-21 23:00:22,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3212 states to 3212 states and 12490 transitions. [2020-10-21 23:00:22,388 INFO L78 Accepts]: Start accepts. Automaton has 3212 states and 12490 transitions. Word has length 12 [2020-10-21 23:00:22,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:22,389 INFO L481 AbstractCegarLoop]: Abstraction has 3212 states and 12490 transitions. [2020-10-21 23:00:22,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:00:22,389 INFO L276 IsEmpty]: Start isEmpty. Operand 3212 states and 12490 transitions. [2020-10-21 23:00:22,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 23:00:22,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:22,392 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:22,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 23:00:22,392 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:22,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:22,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1927308402, now seen corresponding path program 1 times [2020-10-21 23:00:22,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:22,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117786516] [2020-10-21 23:00:22,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:22,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:22,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117786516] [2020-10-21 23:00:22,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:22,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:00:22,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929608947] [2020-10-21 23:00:22,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:00:22,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:22,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:00:22,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:00:22,454 INFO L87 Difference]: Start difference. First operand 3212 states and 12490 transitions. Second operand 3 states. [2020-10-21 23:00:22,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:22,486 INFO L93 Difference]: Finished difference Result 3022 states and 11668 transitions. [2020-10-21 23:00:22,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:00:22,486 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-21 23:00:22,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:22,530 INFO L225 Difference]: With dead ends: 3022 [2020-10-21 23:00:22,531 INFO L226 Difference]: Without dead ends: 3022 [2020-10-21 23:00:22,531 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 [2020-10-21 23:00:22,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3022 states. [2020-10-21 23:00:22,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3022 to 3022. [2020-10-21 23:00:22,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3022 states. [2020-10-21 23:00:22,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 3022 states and 11668 transitions. [2020-10-21 23:00:22,639 INFO L78 Accepts]: Start accepts. Automaton has 3022 states and 11668 transitions. Word has length 13 [2020-10-21 23:00:22,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:22,640 INFO L481 AbstractCegarLoop]: Abstraction has 3022 states and 11668 transitions. [2020-10-21 23:00:22,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:00:22,640 INFO L276 IsEmpty]: Start isEmpty. Operand 3022 states and 11668 transitions. [2020-10-21 23:00:22,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 23:00:22,644 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:22,644 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:22,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 23:00:22,646 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:22,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:22,646 INFO L82 PathProgramCache]: Analyzing trace with hash -382982227, now seen corresponding path program 1 times [2020-10-21 23:00:22,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:22,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589609132] [2020-10-21 23:00:22,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:22,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:22,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589609132] [2020-10-21 23:00:22,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:22,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:00:22,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649958942] [2020-10-21 23:00:22,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:00:22,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:22,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:00:22,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:00:22,803 INFO L87 Difference]: Start difference. First operand 3022 states and 11668 transitions. Second operand 4 states. [2020-10-21 23:00:22,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:22,889 INFO L93 Difference]: Finished difference Result 2964 states and 10373 transitions. [2020-10-21 23:00:22,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:00:22,891 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-21 23:00:22,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:22,900 INFO L225 Difference]: With dead ends: 2964 [2020-10-21 23:00:22,900 INFO L226 Difference]: Without dead ends: 2214 [2020-10-21 23:00:22,901 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:00:22,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2214 states. [2020-10-21 23:00:22,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2214 to 2214. [2020-10-21 23:00:22,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2214 states. [2020-10-21 23:00:22,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 7628 transitions. [2020-10-21 23:00:22,973 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 7628 transitions. Word has length 14 [2020-10-21 23:00:22,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:22,973 INFO L481 AbstractCegarLoop]: Abstraction has 2214 states and 7628 transitions. [2020-10-21 23:00:22,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:00:22,974 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 7628 transitions. [2020-10-21 23:00:22,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-21 23:00:22,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:22,977 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:22,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 23:00:22,977 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:22,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:22,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1079458941, now seen corresponding path program 1 times [2020-10-21 23:00:22,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:22,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285619772] [2020-10-21 23:00:22,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:23,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:23,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285619772] [2020-10-21 23:00:23,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:23,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:00:23,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335601616] [2020-10-21 23:00:23,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:00:23,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:23,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:00:23,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:00:23,058 INFO L87 Difference]: Start difference. First operand 2214 states and 7628 transitions. Second operand 3 states. [2020-10-21 23:00:23,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:23,092 INFO L93 Difference]: Finished difference Result 3270 states and 11011 transitions. [2020-10-21 23:00:23,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:00:23,092 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-21 23:00:23,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:23,174 INFO L225 Difference]: With dead ends: 3270 [2020-10-21 23:00:23,174 INFO L226 Difference]: Without dead ends: 2310 [2020-10-21 23:00:23,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:00:23,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2310 states. [2020-10-21 23:00:23,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2310 to 2178. [2020-10-21 23:00:23,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2178 states. [2020-10-21 23:00:23,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 7215 transitions. [2020-10-21 23:00:23,241 INFO L78 Accepts]: Start accepts. Automaton has 2178 states and 7215 transitions. Word has length 17 [2020-10-21 23:00:23,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:23,242 INFO L481 AbstractCegarLoop]: Abstraction has 2178 states and 7215 transitions. [2020-10-21 23:00:23,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:00:23,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 7215 transitions. [2020-10-21 23:00:23,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-21 23:00:23,246 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:23,246 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:23,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 23:00:23,246 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:23,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:23,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1005001136, now seen corresponding path program 1 times [2020-10-21 23:00:23,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:23,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102125885] [2020-10-21 23:00:23,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:23,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:23,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102125885] [2020-10-21 23:00:23,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:23,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:00:23,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398540667] [2020-10-21 23:00:23,284 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:00:23,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:23,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:00:23,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:00:23,285 INFO L87 Difference]: Start difference. First operand 2178 states and 7215 transitions. Second operand 3 states. [2020-10-21 23:00:23,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:23,317 INFO L93 Difference]: Finished difference Result 3203 states and 10351 transitions. [2020-10-21 23:00:23,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:00:23,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-21 23:00:23,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:23,326 INFO L225 Difference]: With dead ends: 3203 [2020-10-21 23:00:23,326 INFO L226 Difference]: Without dead ends: 2334 [2020-10-21 23:00:23,327 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:00:23,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2334 states. [2020-10-21 23:00:23,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2334 to 2178. [2020-10-21 23:00:23,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2178 states. [2020-10-21 23:00:23,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 6968 transitions. [2020-10-21 23:00:23,393 INFO L78 Accepts]: Start accepts. Automaton has 2178 states and 6968 transitions. Word has length 17 [2020-10-21 23:00:23,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:23,393 INFO L481 AbstractCegarLoop]: Abstraction has 2178 states and 6968 transitions. [2020-10-21 23:00:23,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:00:23,393 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 6968 transitions. [2020-10-21 23:00:23,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-21 23:00:23,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:23,397 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:23,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 23:00:23,397 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:23,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:23,398 INFO L82 PathProgramCache]: Analyzing trace with hash -676228949, now seen corresponding path program 1 times [2020-10-21 23:00:23,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:23,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461820694] [2020-10-21 23:00:23,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:23,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:23,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461820694] [2020-10-21 23:00:23,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:23,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 23:00:23,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152821725] [2020-10-21 23:00:23,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 23:00:23,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:23,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 23:00:23,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:00:23,508 INFO L87 Difference]: Start difference. First operand 2178 states and 6968 transitions. Second operand 5 states. [2020-10-21 23:00:23,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:23,569 INFO L93 Difference]: Finished difference Result 1832 states and 5382 transitions. [2020-10-21 23:00:23,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 23:00:23,570 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-21 23:00:23,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:23,574 INFO L225 Difference]: With dead ends: 1832 [2020-10-21 23:00:23,574 INFO L226 Difference]: Without dead ends: 1402 [2020-10-21 23:00:23,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:00:23,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2020-10-21 23:00:23,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1402. [2020-10-21 23:00:23,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1402 states. [2020-10-21 23:00:23,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1402 states and 4054 transitions. [2020-10-21 23:00:23,611 INFO L78 Accepts]: Start accepts. Automaton has 1402 states and 4054 transitions. Word has length 17 [2020-10-21 23:00:23,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:23,611 INFO L481 AbstractCegarLoop]: Abstraction has 1402 states and 4054 transitions. [2020-10-21 23:00:23,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 23:00:23,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 4054 transitions. [2020-10-21 23:00:23,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-21 23:00:23,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:23,615 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:23,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 23:00:23,616 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:23,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:23,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1166926340, now seen corresponding path program 1 times [2020-10-21 23:00:23,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:23,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132343928] [2020-10-21 23:00:23,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:23,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:23,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132343928] [2020-10-21 23:00:23,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:23,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 23:00:23,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042499587] [2020-10-21 23:00:23,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 23:00:23,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:23,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 23:00:23,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:00:23,793 INFO L87 Difference]: Start difference. First operand 1402 states and 4054 transitions. Second operand 6 states. [2020-10-21 23:00:23,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:23,878 INFO L93 Difference]: Finished difference Result 1239 states and 3550 transitions. [2020-10-21 23:00:23,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 23:00:23,879 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-10-21 23:00:23,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:23,882 INFO L225 Difference]: With dead ends: 1239 [2020-10-21 23:00:23,883 INFO L226 Difference]: Without dead ends: 1063 [2020-10-21 23:00:23,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:00:23,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2020-10-21 23:00:23,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 1063. [2020-10-21 23:00:23,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1063 states. [2020-10-21 23:00:23,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 3070 transitions. [2020-10-21 23:00:23,924 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 3070 transitions. Word has length 20 [2020-10-21 23:00:23,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:23,924 INFO L481 AbstractCegarLoop]: Abstraction has 1063 states and 3070 transitions. [2020-10-21 23:00:23,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 23:00:23,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 3070 transitions. [2020-10-21 23:00:23,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-21 23:00:23,927 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:23,928 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:23,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 23:00:23,928 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:23,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:23,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1772040044, now seen corresponding path program 1 times [2020-10-21 23:00:23,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:23,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746697550] [2020-10-21 23:00:23,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:24,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:24,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746697550] [2020-10-21 23:00:24,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:24,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-21 23:00:24,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910306644] [2020-10-21 23:00:24,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 23:00:24,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:24,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 23:00:24,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:00:24,109 INFO L87 Difference]: Start difference. First operand 1063 states and 3070 transitions. Second operand 7 states. [2020-10-21 23:00:24,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:24,179 INFO L93 Difference]: Finished difference Result 1033 states and 3010 transitions. [2020-10-21 23:00:24,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-21 23:00:24,180 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-10-21 23:00:24,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:24,182 INFO L225 Difference]: With dead ends: 1033 [2020-10-21 23:00:24,183 INFO L226 Difference]: Without dead ends: 545 [2020-10-21 23:00:24,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:00:24,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2020-10-21 23:00:24,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 545. [2020-10-21 23:00:24,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2020-10-21 23:00:24,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 1592 transitions. [2020-10-21 23:00:24,205 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 1592 transitions. Word has length 24 [2020-10-21 23:00:24,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:24,206 INFO L481 AbstractCegarLoop]: Abstraction has 545 states and 1592 transitions. [2020-10-21 23:00:24,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 23:00:24,206 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 1592 transitions. [2020-10-21 23:00:24,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-21 23:00:24,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:24,208 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:24,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 23:00:24,209 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:24,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:24,209 INFO L82 PathProgramCache]: Analyzing trace with hash -457680553, now seen corresponding path program 1 times [2020-10-21 23:00:24,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:24,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507669335] [2020-10-21 23:00:24,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:24,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:24,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507669335] [2020-10-21 23:00:24,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:24,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:00:24,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006147184] [2020-10-21 23:00:24,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:00:24,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:24,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:00:24,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:00:24,297 INFO L87 Difference]: Start difference. First operand 545 states and 1592 transitions. Second operand 4 states. [2020-10-21 23:00:24,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:24,315 INFO L93 Difference]: Finished difference Result 850 states and 2456 transitions. [2020-10-21 23:00:24,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 23:00:24,315 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-10-21 23:00:24,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:24,317 INFO L225 Difference]: With dead ends: 850 [2020-10-21 23:00:24,317 INFO L226 Difference]: Without dead ends: 343 [2020-10-21 23:00:24,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:00:24,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-10-21 23:00:24,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2020-10-21 23:00:24,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2020-10-21 23:00:24,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 940 transitions. [2020-10-21 23:00:24,325 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 940 transitions. Word has length 28 [2020-10-21 23:00:24,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:24,326 INFO L481 AbstractCegarLoop]: Abstraction has 343 states and 940 transitions. [2020-10-21 23:00:24,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:00:24,326 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 940 transitions. [2020-10-21 23:00:24,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-21 23:00:24,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:24,329 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:24,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-21 23:00:24,329 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:24,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:24,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1525900279, now seen corresponding path program 2 times [2020-10-21 23:00:24,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:24,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820012745] [2020-10-21 23:00:24,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:24,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:24,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820012745] [2020-10-21 23:00:24,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:24,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 23:00:24,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357955261] [2020-10-21 23:00:24,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 23:00:24,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:24,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 23:00:24,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:00:24,619 INFO L87 Difference]: Start difference. First operand 343 states and 940 transitions. Second operand 7 states. [2020-10-21 23:00:24,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:24,907 INFO L93 Difference]: Finished difference Result 562 states and 1496 transitions. [2020-10-21 23:00:24,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 23:00:24,907 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-21 23:00:24,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:24,909 INFO L225 Difference]: With dead ends: 562 [2020-10-21 23:00:24,909 INFO L226 Difference]: Without dead ends: 344 [2020-10-21 23:00:24,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-21 23:00:24,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2020-10-21 23:00:24,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 293. [2020-10-21 23:00:24,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-10-21 23:00:24,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 780 transitions. [2020-10-21 23:00:24,917 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 780 transitions. Word has length 28 [2020-10-21 23:00:24,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:24,917 INFO L481 AbstractCegarLoop]: Abstraction has 293 states and 780 transitions. [2020-10-21 23:00:24,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 23:00:24,917 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 780 transitions. [2020-10-21 23:00:24,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-21 23:00:24,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:24,919 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:24,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-21 23:00:24,919 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:24,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:24,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1526047503, now seen corresponding path program 3 times [2020-10-21 23:00:24,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:24,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977037199] [2020-10-21 23:00:24,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:25,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:25,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977037199] [2020-10-21 23:00:25,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:25,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 23:00:25,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916256639] [2020-10-21 23:00:25,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 23:00:25,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:25,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 23:00:25,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:00:25,116 INFO L87 Difference]: Start difference. First operand 293 states and 780 transitions. Second operand 7 states. [2020-10-21 23:00:25,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:25,312 INFO L93 Difference]: Finished difference Result 343 states and 898 transitions. [2020-10-21 23:00:25,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 23:00:25,313 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-21 23:00:25,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:25,315 INFO L225 Difference]: With dead ends: 343 [2020-10-21 23:00:25,315 INFO L226 Difference]: Without dead ends: 305 [2020-10-21 23:00:25,315 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-21 23:00:25,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-10-21 23:00:25,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 293. [2020-10-21 23:00:25,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-10-21 23:00:25,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 776 transitions. [2020-10-21 23:00:25,324 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 776 transitions. Word has length 28 [2020-10-21 23:00:25,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:25,324 INFO L481 AbstractCegarLoop]: Abstraction has 293 states and 776 transitions. [2020-10-21 23:00:25,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 23:00:25,324 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 776 transitions. [2020-10-21 23:00:25,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-21 23:00:25,326 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:25,326 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:25,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-21 23:00:25,326 INFO L429 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:25,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:25,327 INFO L82 PathProgramCache]: Analyzing trace with hash 109981471, now seen corresponding path program 4 times [2020-10-21 23:00:25,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:25,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006477421] [2020-10-21 23:00:25,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:00:25,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:00:25,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006477421] [2020-10-21 23:00:25,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:00:25,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-21 23:00:25,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918990062] [2020-10-21 23:00:25,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 23:00:25,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:00:25,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 23:00:25,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:00:25,618 INFO L87 Difference]: Start difference. First operand 293 states and 776 transitions. Second operand 8 states. [2020-10-21 23:00:25,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:00:25,882 INFO L93 Difference]: Finished difference Result 398 states and 1017 transitions. [2020-10-21 23:00:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 23:00:25,883 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-21 23:00:25,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:00:25,884 INFO L225 Difference]: With dead ends: 398 [2020-10-21 23:00:25,885 INFO L226 Difference]: Without dead ends: 312 [2020-10-21 23:00:25,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-21 23:00:25,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-10-21 23:00:25,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 273. [2020-10-21 23:00:25,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-10-21 23:00:25,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 710 transitions. [2020-10-21 23:00:25,896 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 710 transitions. Word has length 28 [2020-10-21 23:00:25,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:00:25,896 INFO L481 AbstractCegarLoop]: Abstraction has 273 states and 710 transitions. [2020-10-21 23:00:25,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 23:00:25,897 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 710 transitions. [2020-10-21 23:00:25,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-21 23:00:25,898 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:00:25,898 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:00:25,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-21 23:00:25,899 INFO L429 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:00:25,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:00:25,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1265034487, now seen corresponding path program 5 times [2020-10-21 23:00:25,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:00:25,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094995364] [2020-10-21 23:00:25,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:00:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:00:26,003 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:00:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:00:26,109 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:00:26,163 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 23:00:26,163 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 23:00:26,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-21 23:00:26,165 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-21 23:00:26,223 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1207] [1207] L2-->L887: Formula: (let ((.cse6 (= (mod ~b$r_buff1_thd0~0_In-46066322 256) 0)) (.cse7 (= (mod ~b$w_buff1_used~0_In-46066322 256) 0)) (.cse9 (= (mod ~b$r_buff0_thd0~0_In-46066322 256) 0)) (.cse8 (= (mod ~b$w_buff0_used~0_In-46066322 256) 0))) (let ((.cse2 (or .cse9 .cse8)) (.cse0 (not .cse9)) (.cse1 (not .cse8)) (.cse3 (not .cse7)) (.cse4 (not .cse6)) (.cse5 (or .cse6 .cse7))) (and (or (and .cse0 (= ~b~0_Out-46066322 ~b$w_buff0~0_In-46066322) .cse1) (and .cse2 (or (and (= ~b$w_buff1~0_In-46066322 ~b~0_Out-46066322) .cse3 .cse4) (and (= ~b~0_Out-46066322 ~b~0_In-46066322) .cse5)))) (= ~b$r_buff1_thd0~0_In-46066322 ~b$r_buff1_thd0~0_Out-46066322) (= ~b$r_buff0_thd0~0_In-46066322 ~b$r_buff0_thd0~0_Out-46066322) (or (and .cse2 (= ~b$w_buff0_used~0_Out-46066322 ~b$w_buff0_used~0_In-46066322)) (and .cse0 (= ~b$w_buff0_used~0_Out-46066322 0) .cse1)) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out-46066322 0)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond_In-46066322| ULTIMATE.start_assume_abort_if_not_~cond_Out-46066322) (or (and .cse3 .cse4 (= ~b$w_buff1_used~0_Out-46066322 0)) (and .cse5 (= ~b$w_buff1_used~0_Out-46066322 ~b$w_buff1_used~0_In-46066322)))))) InVars {~b$w_buff0_used~0=~b$w_buff0_used~0_In-46066322, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-46066322|, ~b$r_buff1_thd0~0=~b$r_buff1_thd0~0_In-46066322, ~b$w_buff1_used~0=~b$w_buff1_used~0_In-46066322, ~b~0=~b~0_In-46066322, ~b$w_buff1~0=~b$w_buff1~0_In-46066322, ~b$w_buff0~0=~b$w_buff0~0_In-46066322, ~b$r_buff0_thd0~0=~b$r_buff0_thd0~0_In-46066322} OutVars{~b$r_buff1_thd0~0=~b$r_buff1_thd0~0_Out-46066322, ULTIMATE.start_main_#t~ite58=|ULTIMATE.start_main_#t~ite58_Out-46066322|, ULTIMATE.start_main_#t~ite57=|ULTIMATE.start_main_#t~ite57_Out-46066322|, ULTIMATE.start_main_#t~ite59=|ULTIMATE.start_main_#t~ite59_Out-46066322|, ULTIMATE.start_main_#t~ite56=|ULTIMATE.start_main_#t~ite56_Out-46066322|, ~b$w_buff0_used~0=~b$w_buff0_used~0_Out-46066322, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-46066322|, ULTIMATE.start_main_#t~ite60=|ULTIMATE.start_main_#t~ite60_Out-46066322|, ULTIMATE.start_main_#t~ite61=|ULTIMATE.start_main_#t~ite61_Out-46066322|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-46066322, ~b$w_buff1_used~0=~b$w_buff1_used~0_Out-46066322, ~b~0=~b~0_Out-46066322, ~b$w_buff1~0=~b$w_buff1~0_In-46066322, ~b$w_buff0~0=~b$w_buff0~0_In-46066322, ~b$r_buff0_thd0~0=~b$r_buff0_thd0~0_Out-46066322} AuxVars[] AssignedVars[~b$w_buff0_used~0, ULTIMATE.start_main_#t~ite60, ~b$r_buff1_thd0~0, ULTIMATE.start_main_#t~ite61, ULTIMATE.start_assume_abort_if_not_~cond, ~b$w_buff1_used~0, ~b~0, ULTIMATE.start_main_#t~ite58, ULTIMATE.start_main_#t~ite57, ULTIMATE.start_main_#t~ite59, ULTIMATE.start_main_#t~ite56, ~b$r_buff0_thd0~0] because there is no mapped edge [2020-10-21 23:00:26,232 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,233 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,233 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,233 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [751] [2020-10-21 23:00:26,236 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,237 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,237 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,237 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,237 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,237 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,237 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,238 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,238 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,238 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,239 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,239 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,239 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,239 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,239 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,239 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,240 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,240 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,240 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,240 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,240 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,241 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,241 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,241 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,241 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,241 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,241 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,242 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,242 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,242 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,242 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,242 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,243 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,243 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,243 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,243 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,243 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,243 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,243 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,244 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,244 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,244 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,244 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,245 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,245 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,245 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,245 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,245 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,245 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,245 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,246 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,246 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,247 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,247 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,247 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,247 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,247 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,247 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,247 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,247 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,248 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,248 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,248 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:00:26,248 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:00:26,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 11:00:26 BasicIcfg [2020-10-21 23:00:26,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 23:00:26,329 INFO L168 Benchmark]: Toolchain (without parser) took 12753.11 ms. Allocated memory was 139.5 MB in the beginning and 422.1 MB in the end (delta: 282.6 MB). Free memory was 100.9 MB in the beginning and 97.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 286.4 MB. Max. memory is 7.1 GB. [2020-10-21 23:00:26,330 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.6 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-21 23:00:26,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 912.15 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 100.1 MB in the beginning and 151.4 MB in the end (delta: -51.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-10-21 23:00:26,331 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.86 ms. Allocated memory is still 202.4 MB. Free memory was 151.4 MB in the beginning and 148.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-10-21 23:00:26,332 INFO L168 Benchmark]: Boogie Preprocessor took 51.21 ms. Allocated memory is still 202.4 MB. Free memory was 148.4 MB in the beginning and 146.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 23:00:26,332 INFO L168 Benchmark]: RCFGBuilder took 2341.74 ms. Allocated memory was 202.4 MB in the beginning and 249.6 MB in the end (delta: 47.2 MB). Free memory was 146.4 MB in the beginning and 137.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 100.8 MB. Max. memory is 7.1 GB. [2020-10-21 23:00:26,333 INFO L168 Benchmark]: TraceAbstraction took 9360.89 ms. Allocated memory was 249.6 MB in the beginning and 422.1 MB in the end (delta: 172.5 MB). Free memory was 137.9 MB in the beginning and 97.1 MB in the end (delta: 40.8 MB). Peak memory consumption was 213.3 MB. Max. memory is 7.1 GB. [2020-10-21 23:00:26,337 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.6 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 912.15 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 100.1 MB in the beginning and 151.4 MB in the end (delta: -51.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 77.86 ms. Allocated memory is still 202.4 MB. Free memory was 151.4 MB in the beginning and 148.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.21 ms. Allocated memory is still 202.4 MB. Free memory was 148.4 MB in the beginning and 146.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2341.74 ms. Allocated memory was 202.4 MB in the beginning and 249.6 MB in the end (delta: 47.2 MB). Free memory was 146.4 MB in the beginning and 137.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 100.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9360.89 ms. Allocated memory was 249.6 MB in the beginning and 422.1 MB in the end (delta: 172.5 MB). Free memory was 137.9 MB in the beginning and 97.1 MB in the end (delta: 40.8 MB). Peak memory consumption was 213.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1641 VarBasedMoverChecksPositive, 52 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 150 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.4s, 133 PlacesBefore, 47 PlacesAfterwards, 123 TransitionsBefore, 34 TransitionsAfterwards, 3124 CoEnabledTransitionPairs, 6 FixpointIterations, 41 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 3 ChoiceCompositions, 103 TotalNumberOfCompositions, 8235 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int __unbuffered_p3_EBX = 0; [L718] 0 int a = 0; [L720] 0 int b = 0; [L721] 0 _Bool b$flush_delayed; [L722] 0 int b$mem_tmp; [L723] 0 _Bool b$r_buff0_thd0; [L724] 0 _Bool b$r_buff0_thd1; [L725] 0 _Bool b$r_buff0_thd2; [L726] 0 _Bool b$r_buff0_thd3; [L727] 0 _Bool b$r_buff0_thd4; [L728] 0 _Bool b$r_buff1_thd0; [L729] 0 _Bool b$r_buff1_thd1; [L730] 0 _Bool b$r_buff1_thd2; [L731] 0 _Bool b$r_buff1_thd3; [L732] 0 _Bool b$r_buff1_thd4; [L733] 0 _Bool b$read_delayed; [L734] 0 int *b$read_delayed_var; [L735] 0 int b$w_buff0; [L736] 0 _Bool b$w_buff0_used; [L737] 0 int b$w_buff1; [L738] 0 _Bool b$w_buff1_used; [L739] 0 _Bool main$tmp_guard0; [L740] 0 _Bool main$tmp_guard1; [L742] 0 int x = 0; [L744] 0 int y = 0; [L746] 0 int z = 0; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L869] 0 pthread_t t1233; [L870] FCALL, FORK 0 pthread_create(&t1233, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L871] 0 pthread_t t1234; [L872] FCALL, FORK 0 pthread_create(&t1234, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L752] 1 b$w_buff1 = b$w_buff0 [L753] 1 b$w_buff0 = 1 [L754] 1 b$w_buff1_used = b$w_buff0_used [L755] 1 b$w_buff0_used = (_Bool)1 [L18] COND TRUE 1 !expression [L17] COND FALSE 1 !(0) [L17] 1 __assert_fail ("0", "mix046_rmo.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) [L757] 1 b$r_buff1_thd0 = b$r_buff0_thd0 [L758] 1 b$r_buff1_thd1 = b$r_buff0_thd1 [L759] 1 b$r_buff1_thd2 = b$r_buff0_thd2 [L760] 1 b$r_buff1_thd3 = b$r_buff0_thd3 [L761] 1 b$r_buff1_thd4 = b$r_buff0_thd4 [L762] 1 b$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L765] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L782] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L873] 0 pthread_t t1235; [L874] FCALL, FORK 0 pthread_create(&t1235, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L875] 0 pthread_t t1236; [L876] FCALL, FORK 0 pthread_create(&t1236, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L785] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L802] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L805] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1] [L822] 4 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2] [L808] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L808] 3 b = b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L809] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L809] 3 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L810] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L810] 3 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L811] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L811] 3 b$r_buff0_thd3 = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L812] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L812] 3 b$r_buff1_thd3 = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L815] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L817] 3 return 0; [L825] 4 a = 1 [L828] 4 __unbuffered_p3_EAX = a VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_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}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2] [L831] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L832] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L833] 4 b$flush_delayed = weak$$choice2 [L834] 4 b$mem_tmp = b [L835] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L835] 4 b = !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L836] EXPR 4 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L836] 4 b$w_buff0 = weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L837] EXPR 4 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L837] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1) [L837] EXPR 4 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L837] 4 b$w_buff1 = weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L838] EXPR 4 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L838] 4 b$w_buff0_used = weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L839] EXPR 4 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] 4 b$w_buff1_used = weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L840] EXPR 4 weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L840] 4 b$r_buff0_thd4 = weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L841] EXPR 4 weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 b$r_buff1_thd4 = weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L842] 4 __unbuffered_p3_EBX = b [L843] EXPR 4 b$flush_delayed ? b$mem_tmp : b [L843] 4 b = b$flush_delayed ? b$mem_tmp : b [L844] 4 b$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_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}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z=2] [L768] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L768] EXPR 1 b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b [L768] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L768] 1 b = b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L769] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L769] 1 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L770] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L770] 1 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L771] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L771] 1 b$r_buff0_thd1 = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L772] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L772] 1 b$r_buff1_thd1 = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L775] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 1 return 0; [L847] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L847] EXPR 4 b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b [L847] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L847] 4 b = b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L848] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L848] 4 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L849] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L849] 4 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L850] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L850] 4 b$r_buff0_thd4 = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L851] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L851] 4 b$r_buff1_thd4 = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L854] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L856] 4 return 0; [L788] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L788] EXPR 2 b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b [L788] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L788] 2 b = b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L789] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L789] 2 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L790] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L790] 2 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L791] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L791] 2 b$r_buff0_thd2 = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L792] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L792] 2 b$r_buff1_thd2 = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 2 return 0; [L878] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L889] 0 main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix046_rmo.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 121 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.0s, OverallIterations: 15, TraceHistogramMax: 1, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 516 SDtfs, 583 SDslu, 888 SDs, 0 SdLazy, 346 SolverSat, 99 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4874occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 390 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 246 ConstructedInterpolants, 0 QuantifiedInterpolants, 48450 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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...