/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/mix017_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 22:55:46,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 22:55:46,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 22:55:46,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 22:55:46,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 22:55:46,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 22:55:46,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 22:55:46,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 22:55:46,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 22:55:46,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 22:55:46,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 22:55:46,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 22:55:46,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 22:55:46,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 22:55:46,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 22:55:46,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 22:55:46,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 22:55:46,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 22:55:46,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 22:55:46,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 22:55:46,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 22:55:46,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 22:55:46,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 22:55:46,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 22:55:46,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 22:55:46,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 22:55:46,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 22:55:46,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 22:55:46,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 22:55:46,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 22:55:46,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 22:55:46,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 22:55:46,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 22:55:46,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 22:55:46,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 22:55:46,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 22:55:46,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 22:55:46,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 22:55:46,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 22:55:46,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 22:55:46,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 22:55:46,475 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 22:55:46,499 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 22:55:46,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 22:55:46,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 22:55:46,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 22:55:46,501 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 22:55:46,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 22:55:46,501 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 22:55:46,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 22:55:46,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 22:55:46,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 22:55:46,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 22:55:46,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 22:55:46,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 22:55:46,503 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 22:55:46,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 22:55:46,503 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 22:55:46,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 22:55:46,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 22:55:46,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 22:55:46,504 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 22:55:46,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 22:55:46,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 22:55:46,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 22:55:46,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 22:55:46,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 22:55:46,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 22:55:46,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 22:55:46,505 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 22:55:46,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 22:55:46,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 22:55:46,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 22:55:46,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 22:55:46,820 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 22:55:46,820 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 22:55:46,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix017_pso.oepc.i [2020-10-21 22:55:46,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f26c97c/43776a051cf641d790a681ee46ec5193/FLAG2c34f2fa8 [2020-10-21 22:55:47,376 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 22:55:47,377 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix017_pso.oepc.i [2020-10-21 22:55:47,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f26c97c/43776a051cf641d790a681ee46ec5193/FLAG2c34f2fa8 [2020-10-21 22:55:47,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f26c97c/43776a051cf641d790a681ee46ec5193 [2020-10-21 22:55:47,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 22:55:47,716 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 22:55:47,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 22:55:47,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 22:55:47,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 22:55:47,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:55:47" (1/1) ... [2020-10-21 22:55:47,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a705b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:47, skipping insertion in model container [2020-10-21 22:55:47,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:55:47" (1/1) ... [2020-10-21 22:55:47,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 22:55:47,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 22:55:48,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:55:48,283 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 22:55:48,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:55:48,481 INFO L208 MainTranslator]: Completed translation [2020-10-21 22:55:48,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:48 WrapperNode [2020-10-21 22:55:48,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 22:55:48,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 22:55:48,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 22:55:48,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 22:55:48,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:48" (1/1) ... [2020-10-21 22:55:48,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:48" (1/1) ... [2020-10-21 22:55:48,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 22:55:48,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 22:55:48,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 22:55:48,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 22:55:48,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:48" (1/1) ... [2020-10-21 22:55:48,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:48" (1/1) ... [2020-10-21 22:55:48,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:48" (1/1) ... [2020-10-21 22:55:48,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:48" (1/1) ... [2020-10-21 22:55:48,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:48" (1/1) ... [2020-10-21 22:55:48,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:48" (1/1) ... [2020-10-21 22:55:48,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:48" (1/1) ... [2020-10-21 22:55:48,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 22:55:48,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 22:55:48,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 22:55:48,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 22:55:48,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:48" (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 22:55:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 22:55:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 22:55:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 22:55:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 22:55:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 22:55:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 22:55:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 22:55:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 22:55:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-21 22:55:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-21 22:55:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-21 22:55:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-21 22:55:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 22:55:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 22:55:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 22:55:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 22:55:48,668 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 22:55:51,080 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 22:55:51,080 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-21 22:55:51,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:55:51 BoogieIcfgContainer [2020-10-21 22:55:51,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 22:55:51,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 22:55:51,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 22:55:51,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 22:55:51,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 10:55:47" (1/3) ... [2020-10-21 22:55:51,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53f5018d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:55:51, skipping insertion in model container [2020-10-21 22:55:51,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:55:48" (2/3) ... [2020-10-21 22:55:51,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53f5018d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:55:51, skipping insertion in model container [2020-10-21 22:55:51,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:55:51" (3/3) ... [2020-10-21 22:55:51,091 INFO L111 eAbstractionObserver]: Analyzing ICFG mix017_pso.oepc.i [2020-10-21 22:55:51,102 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 22:55:51,102 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 22:55:51,110 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-21 22:55:51,111 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 22:55:51,145 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,146 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,146 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,146 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,147 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,147 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,147 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,147 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,147 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,148 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,148 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,148 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,148 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,148 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,151 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,152 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,152 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,154 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,155 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,157 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,157 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,158 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,158 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,158 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,158 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,158 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,158 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,159 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,159 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,159 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,159 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,159 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,159 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,160 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,160 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,160 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,160 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,160 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,160 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,161 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,161 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,161 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,161 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,161 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,161 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,162 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,162 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,162 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,162 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,162 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,162 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,164 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,164 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,164 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,164 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,166 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,166 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,166 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,166 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,166 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,167 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,167 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,167 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,168 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,171 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,172 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,172 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,172 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,172 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,172 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,177 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,178 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,178 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,178 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,178 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,179 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,179 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,179 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,179 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,179 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,183 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,184 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,184 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,184 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,184 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,184 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,185 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,185 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,185 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,185 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,185 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,185 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,186 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,186 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,186 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,186 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,186 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,187 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,187 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,187 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,187 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,187 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,187 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,188 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,188 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,188 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,188 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,188 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,189 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,189 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,189 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,189 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,189 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,191 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,191 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,191 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,191 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,192 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,192 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,192 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,192 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,192 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,192 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,193 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,193 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,193 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,193 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:55:51,194 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 22:55:51,207 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-21 22:55:51,229 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 22:55:51,229 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 22:55:51,229 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 22:55:51,229 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 22:55:51,230 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 22:55:51,230 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 22:55:51,230 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 22:55:51,230 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 22:55:51,244 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 22:55:51,245 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 123 transitions, 266 flow [2020-10-21 22:55:51,248 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 123 transitions, 266 flow [2020-10-21 22:55:51,250 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 133 places, 123 transitions, 266 flow [2020-10-21 22:55:51,305 INFO L129 PetriNetUnfolder]: 3/119 cut-off events. [2020-10-21 22:55:51,305 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 22:55:51,311 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 98 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2020-10-21 22:55:51,315 INFO L116 LiptonReduction]: Number of co-enabled transitions 3014 [2020-10-21 22:55:52,499 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-10-21 22:55:52,639 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-21 22:55:54,094 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-21 22:55:54,263 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-21 22:55:54,784 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-10-21 22:55:55,019 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-21 22:55:55,028 INFO L131 LiptonReduction]: Checked pairs total: 9102 [2020-10-21 22:55:55,028 INFO L133 LiptonReduction]: Total number of compositions: 104 [2020-10-21 22:55:55,035 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 34 transitions, 88 flow [2020-10-21 22:55:55,346 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4874 states. [2020-10-21 22:55:55,349 INFO L276 IsEmpty]: Start isEmpty. Operand 4874 states. [2020-10-21 22:55:55,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-21 22:55:55,356 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:55:55,357 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-21 22:55:55,358 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 22:55:55,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:55:55,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1250877, now seen corresponding path program 1 times [2020-10-21 22:55:55,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:55:55,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628498884] [2020-10-21 22:55:55,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:55:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:55:55,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:55:55,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628498884] [2020-10-21 22:55:55,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:55:55,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:55:55,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062214774] [2020-10-21 22:55:55,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:55:55,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:55:55,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:55:55,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:55:55,671 INFO L87 Difference]: Start difference. First operand 4874 states. Second operand 3 states. [2020-10-21 22:55:55,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:55:55,892 INFO L93 Difference]: Finished difference Result 4062 states and 16125 transitions. [2020-10-21 22:55:55,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:55:55,894 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-21 22:55:55,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:55:55,947 INFO L225 Difference]: With dead ends: 4062 [2020-10-21 22:55:55,948 INFO L226 Difference]: Without dead ends: 3312 [2020-10-21 22:55:55,949 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:55:55,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3312 states. [2020-10-21 22:55:56,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3312 to 3312. [2020-10-21 22:55:56,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3312 states. [2020-10-21 22:55:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 12950 transitions. [2020-10-21 22:55:56,172 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 12950 transitions. Word has length 3 [2020-10-21 22:55:56,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:55:56,173 INFO L481 AbstractCegarLoop]: Abstraction has 3312 states and 12950 transitions. [2020-10-21 22:55:56,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:55:56,179 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 12950 transitions. [2020-10-21 22:55:56,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 22:55:56,183 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:55:56,183 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:55:56,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 22:55:56,183 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 22:55:56,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:55:56,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1039402505, now seen corresponding path program 1 times [2020-10-21 22:55:56,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:55:56,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327022838] [2020-10-21 22:55:56,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:55:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:55:56,302 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 22:55:56,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327022838] [2020-10-21 22:55:56,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:55:56,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:55:56,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039874458] [2020-10-21 22:55:56,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:55:56,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:55:56,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:55:56,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:55:56,307 INFO L87 Difference]: Start difference. First operand 3312 states and 12950 transitions. Second operand 3 states. [2020-10-21 22:55:56,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:55:56,374 INFO L93 Difference]: Finished difference Result 3062 states and 11850 transitions. [2020-10-21 22:55:56,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:55:56,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-21 22:55:56,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:55:56,404 INFO L225 Difference]: With dead ends: 3062 [2020-10-21 22:55:56,404 INFO L226 Difference]: Without dead ends: 3062 [2020-10-21 22:55:56,405 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 22:55:56,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3062 states. [2020-10-21 22:55:56,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3062 to 3062. [2020-10-21 22:55:56,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3062 states. [2020-10-21 22:55:56,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 11850 transitions. [2020-10-21 22:55:56,539 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 11850 transitions. Word has length 11 [2020-10-21 22:55:56,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:55:56,540 INFO L481 AbstractCegarLoop]: Abstraction has 3062 states and 11850 transitions. [2020-10-21 22:55:56,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:55:56,541 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 11850 transitions. [2020-10-21 22:55:56,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 22:55:56,552 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:55:56,552 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:55:56,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 22:55:56,553 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 22:55:56,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:55:56,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1904814674, now seen corresponding path program 1 times [2020-10-21 22:55:56,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:55:56,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940203879] [2020-10-21 22:55:56,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:55:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:55:56,786 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 22:55:56,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940203879] [2020-10-21 22:55:56,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:55:56,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:55:56,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373115022] [2020-10-21 22:55:56,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:55:56,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:55:56,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:55:56,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:55:56,788 INFO L87 Difference]: Start difference. First operand 3062 states and 11850 transitions. Second operand 4 states. [2020-10-21 22:55:56,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:55:56,887 INFO L93 Difference]: Finished difference Result 2980 states and 10435 transitions. [2020-10-21 22:55:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 22:55:56,887 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-21 22:55:56,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:55:56,905 INFO L225 Difference]: With dead ends: 2980 [2020-10-21 22:55:56,905 INFO L226 Difference]: Without dead ends: 2230 [2020-10-21 22:55:56,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:55:56,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2020-10-21 22:55:56,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 2230. [2020-10-21 22:55:56,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2230 states. [2020-10-21 22:55:56,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 2230 states and 7690 transitions. [2020-10-21 22:55:56,985 INFO L78 Accepts]: Start accepts. Automaton has 2230 states and 7690 transitions. Word has length 13 [2020-10-21 22:55:56,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:55:56,985 INFO L481 AbstractCegarLoop]: Abstraction has 2230 states and 7690 transitions. [2020-10-21 22:55:56,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:55:56,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 7690 transitions. [2020-10-21 22:55:56,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-21 22:55:56,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:55:56,989 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:55:56,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 22:55:56,989 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 22:55:56,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:55:56,990 INFO L82 PathProgramCache]: Analyzing trace with hash 699647907, now seen corresponding path program 1 times [2020-10-21 22:55:56,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:55:56,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196077971] [2020-10-21 22:55:56,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:55:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:55:57,164 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 22:55:57,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196077971] [2020-10-21 22:55:57,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:55:57,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 22:55:57,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024775992] [2020-10-21 22:55:57,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 22:55:57,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:55:57,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 22:55:57,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:55:57,167 INFO L87 Difference]: Start difference. First operand 2230 states and 7690 transitions. Second operand 5 states. [2020-10-21 22:55:57,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:55:57,277 INFO L93 Difference]: Finished difference Result 1844 states and 5875 transitions. [2020-10-21 22:55:57,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 22:55:57,278 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-21 22:55:57,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:55:57,289 INFO L225 Difference]: With dead ends: 1844 [2020-10-21 22:55:57,289 INFO L226 Difference]: Without dead ends: 1414 [2020-10-21 22:55:57,289 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 22:55:57,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2020-10-21 22:55:57,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1414. [2020-10-21 22:55:57,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1414 states. [2020-10-21 22:55:57,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 4426 transitions. [2020-10-21 22:55:57,339 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 4426 transitions. Word has length 16 [2020-10-21 22:55:57,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:55:57,339 INFO L481 AbstractCegarLoop]: Abstraction has 1414 states and 4426 transitions. [2020-10-21 22:55:57,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 22:55:57,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 4426 transitions. [2020-10-21 22:55:57,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-21 22:55:57,343 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:55:57,343 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 22:55:57,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 22:55:57,343 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 22:55:57,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:55:57,345 INFO L82 PathProgramCache]: Analyzing trace with hash 973389879, now seen corresponding path program 1 times [2020-10-21 22:55:57,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:55:57,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117386093] [2020-10-21 22:55:57,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:55:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:55:57,605 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 22:55:57,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117386093] [2020-10-21 22:55:57,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:55:57,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 22:55:57,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618713311] [2020-10-21 22:55:57,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 22:55:57,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:55:57,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 22:55:57,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:55:57,607 INFO L87 Difference]: Start difference. First operand 1414 states and 4426 transitions. Second operand 5 states. [2020-10-21 22:55:57,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:55:57,820 INFO L93 Difference]: Finished difference Result 2574 states and 7873 transitions. [2020-10-21 22:55:57,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 22:55:57,821 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-10-21 22:55:57,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:55:57,836 INFO L225 Difference]: With dead ends: 2574 [2020-10-21 22:55:57,836 INFO L226 Difference]: Without dead ends: 2272 [2020-10-21 22:55:57,837 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:55:57,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2020-10-21 22:55:57,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 1798. [2020-10-21 22:55:57,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1798 states. [2020-10-21 22:55:57,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1798 states and 5566 transitions. [2020-10-21 22:55:57,902 INFO L78 Accepts]: Start accepts. Automaton has 1798 states and 5566 transitions. Word has length 20 [2020-10-21 22:55:57,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:55:57,903 INFO L481 AbstractCegarLoop]: Abstraction has 1798 states and 5566 transitions. [2020-10-21 22:55:57,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 22:55:57,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 5566 transitions. [2020-10-21 22:55:57,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-21 22:55:57,910 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:55:57,910 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 22:55:57,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 22:55:57,910 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 22:55:57,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:55:57,911 INFO L82 PathProgramCache]: Analyzing trace with hash -2036170915, now seen corresponding path program 2 times [2020-10-21 22:55:57,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:55:57,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869127285] [2020-10-21 22:55:57,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:55:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:55:58,037 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 22:55:58,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869127285] [2020-10-21 22:55:58,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:55:58,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 22:55:58,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489771519] [2020-10-21 22:55:58,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 22:55:58,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:55:58,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 22:55:58,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:55:58,039 INFO L87 Difference]: Start difference. First operand 1798 states and 5566 transitions. Second operand 6 states. [2020-10-21 22:55:58,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:55:58,108 INFO L93 Difference]: Finished difference Result 1615 states and 4953 transitions. [2020-10-21 22:55:58,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 22:55:58,109 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-10-21 22:55:58,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:55:58,120 INFO L225 Difference]: With dead ends: 1615 [2020-10-21 22:55:58,120 INFO L226 Difference]: Without dead ends: 1453 [2020-10-21 22:55:58,121 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 22:55:58,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2020-10-21 22:55:58,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2020-10-21 22:55:58,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1453 states. [2020-10-21 22:55:58,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 4520 transitions. [2020-10-21 22:55:58,158 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 4520 transitions. Word has length 20 [2020-10-21 22:55:58,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:55:58,158 INFO L481 AbstractCegarLoop]: Abstraction has 1453 states and 4520 transitions. [2020-10-21 22:55:58,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 22:55:58,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 4520 transitions. [2020-10-21 22:55:58,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-21 22:55:58,163 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:55:58,163 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 22:55:58,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 22:55:58,164 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 22:55:58,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:55:58,164 INFO L82 PathProgramCache]: Analyzing trace with hash -396566374, now seen corresponding path program 1 times [2020-10-21 22:55:58,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:55:58,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147753989] [2020-10-21 22:55:58,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:55:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:55:58,386 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 22:55:58,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147753989] [2020-10-21 22:55:58,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:55:58,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 22:55:58,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219244336] [2020-10-21 22:55:58,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 22:55:58,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:55:58,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 22:55:58,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:55:58,390 INFO L87 Difference]: Start difference. First operand 1453 states and 4520 transitions. Second operand 7 states. [2020-10-21 22:55:58,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:55:58,637 INFO L93 Difference]: Finished difference Result 1783 states and 5368 transitions. [2020-10-21 22:55:58,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 22:55:58,638 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-10-21 22:55:58,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:55:58,644 INFO L225 Difference]: With dead ends: 1783 [2020-10-21 22:55:58,644 INFO L226 Difference]: Without dead ends: 1675 [2020-10-21 22:55:58,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-21 22:55:58,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2020-10-21 22:55:58,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1317. [2020-10-21 22:55:58,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1317 states. [2020-10-21 22:55:58,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 4094 transitions. [2020-10-21 22:55:58,690 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 4094 transitions. Word has length 24 [2020-10-21 22:55:58,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:55:58,690 INFO L481 AbstractCegarLoop]: Abstraction has 1317 states and 4094 transitions. [2020-10-21 22:55:58,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 22:55:58,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 4094 transitions. [2020-10-21 22:55:58,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-21 22:55:58,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:55:58,697 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 22:55:58,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 22:55:58,697 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 22:55:58,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:55:58,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1876594807, now seen corresponding path program 1 times [2020-10-21 22:55:58,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:55:58,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623139850] [2020-10-21 22:55:58,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:55:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:55:58,758 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 22:55:58,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623139850] [2020-10-21 22:55:58,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:55:58,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:55:58,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008685576] [2020-10-21 22:55:58,759 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:55:58,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:55:58,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:55:58,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:55:58,760 INFO L87 Difference]: Start difference. First operand 1317 states and 4094 transitions. Second operand 4 states. [2020-10-21 22:55:58,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:55:58,792 INFO L93 Difference]: Finished difference Result 1807 states and 5523 transitions. [2020-10-21 22:55:58,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 22:55:58,793 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-10-21 22:55:58,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:55:58,798 INFO L225 Difference]: With dead ends: 1807 [2020-10-21 22:55:58,799 INFO L226 Difference]: Without dead ends: 1280 [2020-10-21 22:55:58,799 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 22:55:58,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1280 states. [2020-10-21 22:55:58,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1280 to 1277. [2020-10-21 22:55:58,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2020-10-21 22:55:58,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 3835 transitions. [2020-10-21 22:55:58,835 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 3835 transitions. Word has length 24 [2020-10-21 22:55:58,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:55:58,836 INFO L481 AbstractCegarLoop]: Abstraction has 1277 states and 3835 transitions. [2020-10-21 22:55:58,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:55:58,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 3835 transitions. [2020-10-21 22:55:58,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-21 22:55:58,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:55:58,840 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 22:55:58,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 22:55:58,841 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 22:55:58,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:55:58,841 INFO L82 PathProgramCache]: Analyzing trace with hash 347761969, now seen corresponding path program 2 times [2020-10-21 22:55:58,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:55:58,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372540468] [2020-10-21 22:55:58,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:55:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:55:59,030 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 22:55:59,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372540468] [2020-10-21 22:55:59,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:55:59,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 22:55:59,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472668516] [2020-10-21 22:55:59,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 22:55:59,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:55:59,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 22:55:59,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:55:59,032 INFO L87 Difference]: Start difference. First operand 1277 states and 3835 transitions. Second operand 7 states. [2020-10-21 22:55:59,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:55:59,266 INFO L93 Difference]: Finished difference Result 1972 states and 5734 transitions. [2020-10-21 22:55:59,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 22:55:59,266 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-10-21 22:55:59,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:55:59,277 INFO L225 Difference]: With dead ends: 1972 [2020-10-21 22:55:59,278 INFO L226 Difference]: Without dead ends: 1885 [2020-10-21 22:55:59,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-21 22:55:59,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1885 states. [2020-10-21 22:55:59,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1885 to 1381. [2020-10-21 22:55:59,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1381 states. [2020-10-21 22:55:59,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 4133 transitions. [2020-10-21 22:55:59,321 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 4133 transitions. Word has length 24 [2020-10-21 22:55:59,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:55:59,322 INFO L481 AbstractCegarLoop]: Abstraction has 1381 states and 4133 transitions. [2020-10-21 22:55:59,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 22:55:59,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 4133 transitions. [2020-10-21 22:55:59,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-21 22:55:59,326 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:55:59,326 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] [2020-10-21 22:55:59,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 22:55:59,327 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 22:55:59,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:55:59,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1912820992, now seen corresponding path program 2 times [2020-10-21 22:55:59,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:55:59,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883953103] [2020-10-21 22:55:59,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:55:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:55:59,482 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 22:55:59,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883953103] [2020-10-21 22:55:59,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:55:59,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-21 22:55:59,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645311195] [2020-10-21 22:55:59,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 22:55:59,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:55:59,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 22:55:59,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-21 22:55:59,485 INFO L87 Difference]: Start difference. First operand 1381 states and 4133 transitions. Second operand 7 states. [2020-10-21 22:55:59,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:55:59,568 INFO L93 Difference]: Finished difference Result 1350 states and 4067 transitions. [2020-10-21 22:55:59,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-21 22:55:59,569 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-10-21 22:55:59,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:55:59,572 INFO L225 Difference]: With dead ends: 1350 [2020-10-21 22:55:59,573 INFO L226 Difference]: Without dead ends: 967 [2020-10-21 22:55:59,573 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 22:55:59,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2020-10-21 22:55:59,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 967. [2020-10-21 22:55:59,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 967 states. [2020-10-21 22:55:59,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 967 states and 2926 transitions. [2020-10-21 22:55:59,604 INFO L78 Accepts]: Start accepts. Automaton has 967 states and 2926 transitions. Word has length 24 [2020-10-21 22:55:59,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:55:59,605 INFO L481 AbstractCegarLoop]: Abstraction has 967 states and 2926 transitions. [2020-10-21 22:55:59,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 22:55:59,605 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 2926 transitions. [2020-10-21 22:55:59,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-21 22:55:59,610 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:55:59,610 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 22:55:59,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 22:55:59,611 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 22:55:59,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:55:59,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1619680236, now seen corresponding path program 1 times [2020-10-21 22:55:59,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:55:59,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049029389] [2020-10-21 22:55:59,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:55:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:55:59,877 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 22:55:59,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049029389] [2020-10-21 22:55:59,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:55:59,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-21 22:55:59,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365175117] [2020-10-21 22:55:59,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 22:55:59,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:55:59,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 22:55:59,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-21 22:55:59,879 INFO L87 Difference]: Start difference. First operand 967 states and 2926 transitions. Second operand 8 states. [2020-10-21 22:56:00,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:56:00,111 INFO L93 Difference]: Finished difference Result 993 states and 2980 transitions. [2020-10-21 22:56:00,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 22:56:00,112 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-21 22:56:00,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:56:00,116 INFO L225 Difference]: With dead ends: 993 [2020-10-21 22:56:00,116 INFO L226 Difference]: Without dead ends: 733 [2020-10-21 22:56:00,117 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-21 22:56:00,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2020-10-21 22:56:00,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 581. [2020-10-21 22:56:00,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2020-10-21 22:56:00,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 1736 transitions. [2020-10-21 22:56:00,136 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 1736 transitions. Word has length 28 [2020-10-21 22:56:00,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:56:00,137 INFO L481 AbstractCegarLoop]: Abstraction has 581 states and 1736 transitions. [2020-10-21 22:56:00,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 22:56:00,137 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 1736 transitions. [2020-10-21 22:56:00,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-21 22:56:00,139 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:56:00,139 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 22:56:00,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-21 22:56:00,140 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 22:56:00,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:56:00,140 INFO L82 PathProgramCache]: Analyzing trace with hash -82353158, now seen corresponding path program 2 times [2020-10-21 22:56:00,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:56:00,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699781833] [2020-10-21 22:56:00,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:56:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:56:00,204 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:56:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:56:00,317 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:56:00,365 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 22:56:00,365 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 22:56:00,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-21 22:56:00,367 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-21 22:56:00,405 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1204] [1204] L2-->L886: Formula: (let ((.cse6 (= (mod ~a$r_buff1_thd0~0_In905885503 256) 0)) (.cse7 (= (mod ~a$w_buff1_used~0_In905885503 256) 0)) (.cse9 (= 0 (mod ~a$r_buff0_thd0~0_In905885503 256))) (.cse8 (= (mod ~a$w_buff0_used~0_In905885503 256) 0))) (let ((.cse4 (not .cse8)) (.cse5 (not .cse9)) (.cse0 (or .cse8 .cse9)) (.cse1 (not .cse7)) (.cse2 (not .cse6)) (.cse3 (or .cse6 .cse7))) (and (or (and .cse0 (or (and .cse1 .cse2 (= ~a$w_buff1~0_In905885503 ~a~0_Out905885503)) (and (= ~a~0_In905885503 ~a~0_Out905885503) .cse3))) (and (= ~a~0_Out905885503 ~a$w_buff0~0_In905885503) .cse4 .cse5)) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out905885503 0)) (= ~a$r_buff0_thd0~0_In905885503 ~a$r_buff0_thd0~0_Out905885503) (or (and .cse4 (= ~a$w_buff0_used~0_Out905885503 0) .cse5) (and .cse0 (= ~a$w_buff0_used~0_Out905885503 ~a$w_buff0_used~0_In905885503))) (or (and (= ~a$w_buff1_used~0_Out905885503 0) .cse1 .cse2) (and (= ~a$w_buff1_used~0_Out905885503 ~a$w_buff1_used~0_In905885503) .cse3)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond_In905885503| ULTIMATE.start_assume_abort_if_not_~cond_Out905885503) (= ~a$r_buff1_thd0~0_In905885503 ~a$r_buff1_thd0~0_Out905885503)))) InVars {~a~0=~a~0_In905885503, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In905885503|, ~a$w_buff1~0=~a$w_buff1~0_In905885503, ~a$w_buff0~0=~a$w_buff0~0_In905885503, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_In905885503, ~a$w_buff0_used~0=~a$w_buff0_used~0_In905885503, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_In905885503, ~a$w_buff1_used~0=~a$w_buff1_used~0_In905885503} OutVars{ULTIMATE.start_main_#t~ite58=|ULTIMATE.start_main_#t~ite58_Out905885503|, ~a$w_buff0_used~0=~a$w_buff0_used~0_Out905885503, ULTIMATE.start_main_#t~ite57=|ULTIMATE.start_main_#t~ite57_Out905885503|, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_Out905885503, ULTIMATE.start_main_#t~ite59=|ULTIMATE.start_main_#t~ite59_Out905885503|, ULTIMATE.start_main_#t~ite56=|ULTIMATE.start_main_#t~ite56_Out905885503|, ~a~0=~a~0_Out905885503, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In905885503|, ULTIMATE.start_main_#t~ite60=|ULTIMATE.start_main_#t~ite60_Out905885503|, ULTIMATE.start_main_#t~ite61=|ULTIMATE.start_main_#t~ite61_Out905885503|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out905885503, ~a$w_buff1~0=~a$w_buff1~0_In905885503, ~a$w_buff0~0=~a$w_buff0~0_In905885503, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_Out905885503, ~a$w_buff1_used~0=~a$w_buff1_used~0_Out905885503} AuxVars[] AssignedVars[~a~0, ULTIMATE.start_main_#t~ite60, ULTIMATE.start_main_#t~ite61, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~ite58, ~a$r_buff1_thd0~0, ~a$w_buff0_used~0, ULTIMATE.start_main_#t~ite57, ~a$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite59, ~a$w_buff1_used~0, ULTIMATE.start_main_#t~ite56] because there is no mapped edge [2020-10-21 22:56:00,412 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 22:56:00,412 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,413 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 22:56:00,413 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [753] [2020-10-21 22:56:00,415 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 22:56:00,415 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,415 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 22:56:00,415 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,416 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 22:56:00,416 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,416 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 22:56:00,416 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,416 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 22:56:00,416 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,418 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 22:56:00,419 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,419 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 22:56:00,419 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,419 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 22:56:00,419 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,419 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 22:56:00,420 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,420 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 22:56:00,420 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,421 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 22:56:00,421 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,421 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 22:56:00,421 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,422 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 22:56:00,422 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,422 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 22:56:00,422 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,422 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 22:56:00,422 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,423 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 22:56:00,423 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,423 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 22:56:00,423 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,423 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 22:56:00,423 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,424 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 22:56:00,424 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,424 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 22:56:00,424 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,424 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 22:56:00,424 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,425 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 22:56:00,425 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,425 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 22:56:00,425 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,425 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 22:56:00,426 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,426 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 22:56:00,426 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,426 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 22:56:00,427 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,427 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 22:56:00,427 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,427 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 22:56:00,427 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,427 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 22:56:00,427 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,428 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 22:56:00,428 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,428 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 22:56:00,429 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,429 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 22:56:00,429 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,429 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 22:56:00,429 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,429 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 22:56:00,430 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,430 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 22:56:00,430 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:56:00,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 10:56:00 BasicIcfg [2020-10-21 22:56:00,523 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 22:56:00,525 INFO L168 Benchmark]: Toolchain (without parser) took 12813.60 ms. Allocated memory was 137.4 MB in the beginning and 435.2 MB in the end (delta: 297.8 MB). Free memory was 98.9 MB in the beginning and 313.6 MB in the end (delta: -214.7 MB). Peak memory consumption was 350.0 MB. Max. memory is 7.1 GB. [2020-10-21 22:56:00,526 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-21 22:56:00,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.17 ms. Allocated memory was 137.4 MB in the beginning and 199.8 MB in the end (delta: 62.4 MB). Free memory was 98.0 MB in the beginning and 150.7 MB in the end (delta: -52.6 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2020-10-21 22:56:00,527 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.63 ms. Allocated memory is still 199.8 MB. Free memory was 150.7 MB in the beginning and 147.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-21 22:56:00,528 INFO L168 Benchmark]: Boogie Preprocessor took 46.44 ms. Allocated memory is still 199.8 MB. Free memory was 147.8 MB in the beginning and 145.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-21 22:56:00,529 INFO L168 Benchmark]: RCFGBuilder took 2489.90 ms. Allocated memory was 199.8 MB in the beginning and 252.2 MB in the end (delta: 52.4 MB). Free memory was 145.0 MB in the beginning and 143.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 102.0 MB. Max. memory is 7.1 GB. [2020-10-21 22:56:00,530 INFO L168 Benchmark]: TraceAbstraction took 9439.27 ms. Allocated memory was 252.2 MB in the beginning and 435.2 MB in the end (delta: 183.0 MB). Free memory was 141.0 MB in the beginning and 313.6 MB in the end (delta: -172.6 MB). Peak memory consumption was 277.3 MB. Max. memory is 7.1 GB. [2020-10-21 22:56:00,533 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 767.17 ms. Allocated memory was 137.4 MB in the beginning and 199.8 MB in the end (delta: 62.4 MB). Free memory was 98.0 MB in the beginning and 150.7 MB in the end (delta: -52.6 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.63 ms. Allocated memory is still 199.8 MB. Free memory was 150.7 MB in the beginning and 147.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.44 ms. Allocated memory is still 199.8 MB. Free memory was 147.8 MB in the beginning and 145.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2489.90 ms. Allocated memory was 199.8 MB in the beginning and 252.2 MB in the end (delta: 52.4 MB). Free memory was 145.0 MB in the beginning and 143.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 102.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9439.27 ms. Allocated memory was 252.2 MB in the beginning and 435.2 MB in the end (delta: 183.0 MB). Free memory was 141.0 MB in the beginning and 313.6 MB in the end (delta: -172.6 MB). Peak memory consumption was 277.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1593 VarBasedMoverChecksPositive, 52 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 132 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.7s, 133 PlacesBefore, 47 PlacesAfterwards, 123 TransitionsBefore, 34 TransitionsAfterwards, 3014 CoEnabledTransitionPairs, 7 FixpointIterations, 42 TrivialSequentialCompositions, 48 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 3 ChoiceCompositions, 104 TotalNumberOfCompositions, 9102 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_p1_EAX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p3_EAX = 0; [L720] 0 int __unbuffered_p3_EBX = 0; [L722] 0 int a = 0; [L723] 0 _Bool a$flush_delayed; [L724] 0 int a$mem_tmp; [L725] 0 _Bool a$r_buff0_thd0; [L726] 0 _Bool a$r_buff0_thd1; [L727] 0 _Bool a$r_buff0_thd2; [L728] 0 _Bool a$r_buff0_thd3; [L729] 0 _Bool a$r_buff0_thd4; [L730] 0 _Bool a$r_buff1_thd0; [L731] 0 _Bool a$r_buff1_thd1; [L732] 0 _Bool a$r_buff1_thd2; [L733] 0 _Bool a$r_buff1_thd3; [L734] 0 _Bool a$r_buff1_thd4; [L735] 0 _Bool a$read_delayed; [L736] 0 int *a$read_delayed_var; [L737] 0 int a$w_buff0; [L738] 0 _Bool a$w_buff0_used; [L739] 0 int a$w_buff1; [L740] 0 _Bool a$w_buff1_used; [L741] 0 _Bool main$tmp_guard0; [L742] 0 _Bool main$tmp_guard1; [L744] 0 int x = 0; [L746] 0 int y = 0; [L748] 0 int z = 0; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L868] 0 pthread_t t441; [L869] FCALL, FORK 0 pthread_create(&t441, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L754] 1 a$w_buff1 = a$w_buff0 [L755] 1 a$w_buff0 = 1 [L756] 1 a$w_buff1_used = a$w_buff0_used [L757] 1 a$w_buff0_used = (_Bool)1 [L18] COND TRUE 1 !expression [L17] COND FALSE 1 !(0) [L17] 1 __assert_fail ("0", "mix017_pso.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) [L759] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L760] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L761] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L762] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L763] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L764] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L767] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L870] 0 pthread_t t442; [L871] FCALL, FORK 0 pthread_create(&t442, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L784] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L787] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L790] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L790] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L791] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L791] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L792] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L793] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L793] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L794] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L794] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L797] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L799] 2 return 0; [L872] 0 pthread_t t443; [L873] FCALL, FORK 0 pthread_create(&t443, ((void *)0), P2, ((void *)0)) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L874] 0 pthread_t t444; [L875] FCALL, FORK 0 pthread_create(&t444, ((void *)0), P3, ((void *)0)) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L804] 3 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L807] 3 __unbuffered_p2_EAX = z VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L824] 4 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L810] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L810] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L811] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L811] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L812] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L812] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L813] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L813] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L814] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L814] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L817] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L819] 3 return 0; [L827] 4 __unbuffered_p3_EAX = z VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L830] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L831] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L832] 4 a$flush_delayed = weak$$choice2 [L833] 4 a$mem_tmp = a [L834] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L834] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1 [L834] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L834] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L835] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L835] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L835] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L835] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L836] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L836] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L836] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L836] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L837] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L837] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L838] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L838] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L839] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L839] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L839] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L839] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L839] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L840] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L840] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 __unbuffered_p3_EBX = a [L842] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L842] 4 a = a$flush_delayed ? a$mem_tmp : a [L843] 4 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L770] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L770] EXPR 1 a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a [L770] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L770] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L771] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L771] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L772] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L772] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L773] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L773] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L774] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L774] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 1 return 0; [L846] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L846] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L846] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L846] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L847] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L847] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L848] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L848] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L849] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L849] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L850] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L850] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L853] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L855] 4 return 0; [L877] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L888] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_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", "mix017_pso.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 121 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.1s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, HoareTripleCheckerStatistics: 508 SDtfs, 615 SDslu, 1134 SDs, 0 SdLazy, 484 SolverSat, 87 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s 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: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 1491 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 235 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 32818 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...