/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix030_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 10:47:31,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 10:47:31,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 10:47:31,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 10:47:31,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 10:47:31,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 10:47:31,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 10:47:31,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 10:47:31,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 10:47:31,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 10:47:31,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 10:47:31,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 10:47:31,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 10:47:31,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 10:47:31,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 10:47:31,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 10:47:31,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 10:47:31,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 10:47:31,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 10:47:31,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 10:47:31,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 10:47:31,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 10:47:31,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 10:47:31,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 10:47:31,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-24 10:47:31,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-24 10:47:31,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-24 10:47:31,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-24 10:47:31,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-24 10:47:31,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-24 10:47:31,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-24 10:47:31,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-24 10:47:31,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-24 10:47:31,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-24 10:47:31,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-24 10:47:31,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-24 10:47:31,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-24 10:47:31,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-24 10:47:31,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 10:47:31,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 10:47:31,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 10:47:31,735 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2021-03-24 10:47:31,762 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 10:47:31,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 10:47:31,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 10:47:31,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 10:47:31,765 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 10:47:31,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 10:47:31,765 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 10:47:31,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 10:47:31,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 10:47:31,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 10:47:31,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 10:47:31,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 10:47:31,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 10:47:31,767 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 10:47:31,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 10:47:31,767 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 10:47:31,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 10:47:31,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 10:47:31,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 10:47:31,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 10:47:31,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 10:47:31,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 10:47:31,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 10:47:31,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 10:47:31,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 10:47:31,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 10:47:31,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 10:47:31,768 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-24 10:47:31,768 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 10:47:31,768 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 10:47:32,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 10:47:32,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 10:47:32,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 10:47:32,066 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 10:47:32,067 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 10:47:32,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix030_pso.oepc.i [2021-03-24 10:47:32,137 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc1c6156b/2f4df9de94fd4e85845aba2b9217949f/FLAG2528e416c [2021-03-24 10:47:32,616 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 10:47:32,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix030_pso.oepc.i [2021-03-24 10:47:32,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc1c6156b/2f4df9de94fd4e85845aba2b9217949f/FLAG2528e416c [2021-03-24 10:47:32,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc1c6156b/2f4df9de94fd4e85845aba2b9217949f [2021-03-24 10:47:32,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 10:47:32,937 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 10:47:32,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 10:47:32,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 10:47:32,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 10:47:32,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 10:47:32" (1/1) ... [2021-03-24 10:47:32,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@377e554c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:47:32, skipping insertion in model container [2021-03-24 10:47:32,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 10:47:32" (1/1) ... [2021-03-24 10:47:32,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 10:47:32,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 10:47:33,094 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix030_pso.oepc.i[949,962] [2021-03-24 10:47:33,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 10:47:33,236 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 10:47:33,243 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix030_pso.oepc.i[949,962] [2021-03-24 10:47:33,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 10:47:33,315 INFO L208 MainTranslator]: Completed translation [2021-03-24 10:47:33,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:47:33 WrapperNode [2021-03-24 10:47:33,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 10:47:33,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 10:47:33,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 10:47:33,317 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 10:47:33,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:47:33" (1/1) ... [2021-03-24 10:47:33,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:47:33" (1/1) ... [2021-03-24 10:47:33,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 10:47:33,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 10:47:33,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 10:47:33,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 10:47:33,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:47:33" (1/1) ... [2021-03-24 10:47:33,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:47:33" (1/1) ... [2021-03-24 10:47:33,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:47:33" (1/1) ... [2021-03-24 10:47:33,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:47:33" (1/1) ... [2021-03-24 10:47:33,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:47:33" (1/1) ... [2021-03-24 10:47:33,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:47:33" (1/1) ... [2021-03-24 10:47:33,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:47:33" (1/1) ... [2021-03-24 10:47:33,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 10:47:33,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 10:47:33,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 10:47:33,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 10:47:33,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:47:33" (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 [2021-03-24 10:47:33,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 10:47:33,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 10:47:33,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 10:47:33,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 10:47:33,482 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-24 10:47:33,483 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-24 10:47:33,483 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-24 10:47:33,484 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-24 10:47:33,484 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-24 10:47:33,484 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-24 10:47:33,484 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-24 10:47:33,484 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-24 10:47:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 10:47:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 10:47:33,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 10:47:33,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 10:47:33,486 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 10:47:34,876 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 10:47:34,876 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-24 10:47:34,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 10:47:34 BoogieIcfgContainer [2021-03-24 10:47:34,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 10:47:34,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 10:47:34,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 10:47:34,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 10:47:34,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 10:47:32" (1/3) ... [2021-03-24 10:47:34,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2854c951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 10:47:34, skipping insertion in model container [2021-03-24 10:47:34,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:47:33" (2/3) ... [2021-03-24 10:47:34,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2854c951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 10:47:34, skipping insertion in model container [2021-03-24 10:47:34,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 10:47:34" (3/3) ... [2021-03-24 10:47:34,883 INFO L111 eAbstractionObserver]: Analyzing ICFG mix030_pso.oepc.i [2021-03-24 10:47:34,889 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 10:47:34,892 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-24 10:47:34,893 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 10:47:34,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,927 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,927 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,928 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,928 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,928 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,928 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,928 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,928 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,928 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,928 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,928 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,928 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,928 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,929 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,929 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,929 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,929 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,929 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,929 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,929 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,930 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,930 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,930 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,930 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,930 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,930 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,930 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,932 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,932 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,932 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,932 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,934 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,934 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,934 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,934 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,934 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,934 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,935 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,935 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,935 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,935 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,935 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,935 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,935 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,936 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,936 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,936 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,936 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,936 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,936 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,938 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,938 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,938 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,938 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,938 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,938 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,938 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,938 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,939 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,939 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,939 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,939 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,942 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,942 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,942 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,943 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,947 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,947 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,947 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,947 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,947 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,947 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,947 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,947 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,947 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,947 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,947 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,949 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,952 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,952 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,952 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,952 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,952 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,952 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,952 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,952 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,952 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,952 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,952 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,955 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,955 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,955 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,955 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,955 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,955 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,957 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,958 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,958 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,958 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,959 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,959 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,959 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,961 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,961 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,961 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,961 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,961 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,961 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,961 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,961 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,961 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,961 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,962 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,962 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,962 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,962 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,963 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,965 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,965 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,965 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,965 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,966 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,966 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,966 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,966 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,966 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,967 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,971 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,971 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,971 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,971 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,971 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,971 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,971 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,971 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,971 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,971 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,972 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,972 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,972 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,972 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,972 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,972 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,972 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,972 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:47:34,973 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-24 10:47:34,985 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-24 10:47:35,004 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 10:47:35,004 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 10:47:35,004 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 10:47:35,004 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 10:47:35,004 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 10:47:35,004 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 10:47:35,004 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 10:47:35,004 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 10:47:35,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 252 flow [2021-03-24 10:47:35,050 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-03-24 10:47:35,050 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:47:35,060 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 89 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2021-03-24 10:47:35,060 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 116 transitions, 252 flow [2021-03-24 10:47:35,064 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 112 transitions, 236 flow [2021-03-24 10:47:35,065 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-24 10:47:35,072 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 112 transitions, 236 flow [2021-03-24 10:47:35,074 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 112 transitions, 236 flow [2021-03-24 10:47:35,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 236 flow [2021-03-24 10:47:35,101 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-03-24 10:47:35,101 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:47:35,102 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 89 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2021-03-24 10:47:35,105 INFO L142 LiptonReduction]: Number of co-enabled transitions 2774 [2021-03-24 10:47:36,025 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-24 10:47:36,363 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-24 10:47:36,465 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-24 10:47:37,538 INFO L154 LiptonReduction]: Checked pairs total: 5882 [2021-03-24 10:47:37,538 INFO L156 LiptonReduction]: Total number of compositions: 76 [2021-03-24 10:47:37,540 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2476 [2021-03-24 10:47:37,544 INFO L129 PetriNetUnfolder]: 0/11 cut-off events. [2021-03-24 10:47:37,544 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:47:37,544 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:47:37,544 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:47:37,545 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:47:37,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:47:37,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1338707490, now seen corresponding path program 1 times [2021-03-24 10:47:37,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:47:37,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884563505] [2021-03-24 10:47:37,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:47:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:47:37,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:37,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:47:37,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:37,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:47:37,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:47:37,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884563505] [2021-03-24 10:47:37,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:47:37,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 10:47:37,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051921513] [2021-03-24 10:47:37,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 10:47:37,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:47:37,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 10:47:37,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 10:47:37,728 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 192 [2021-03-24 10:47:37,732 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:37,732 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:47:37,732 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 192 [2021-03-24 10:47:37,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:47:37,830 INFO L129 PetriNetUnfolder]: 133/368 cut-off events. [2021-03-24 10:47:37,830 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:47:37,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 587 conditions, 368 events. 133/368 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2071 event pairs, 110 based on Foata normal form. 33/373 useless extension candidates. Maximal degree in co-relation 567. Up to 153 conditions per place. [2021-03-24 10:47:37,835 INFO L132 encePairwiseOnDemand]: 188/192 looper letters, 11 selfloop transitions, 2 changer transitions 0/48 dead transitions. [2021-03-24 10:47:37,835 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 48 transitions, 134 flow [2021-03-24 10:47:37,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 10:47:37,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 10:47:37,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 523 transitions. [2021-03-24 10:47:37,848 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9079861111111112 [2021-03-24 10:47:37,849 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 523 transitions. [2021-03-24 10:47:37,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 523 transitions. [2021-03-24 10:47:37,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:47:37,853 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 523 transitions. [2021-03-24 10:47:37,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:37,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:37,862 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:37,864 INFO L185 Difference]: Start difference. First operand has 58 places, 46 transitions, 104 flow. Second operand 3 states and 523 transitions. [2021-03-24 10:47:37,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 48 transitions, 134 flow [2021-03-24 10:47:37,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 48 transitions, 130 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 10:47:37,867 INFO L241 Difference]: Finished difference. Result has 54 places, 43 transitions, 98 flow [2021-03-24 10:47:37,868 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=54, PETRI_TRANSITIONS=43} [2021-03-24 10:47:37,868 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -4 predicate places. [2021-03-24 10:47:37,868 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 43 transitions, 98 flow [2021-03-24 10:47:37,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:37,869 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:47:37,869 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:47:37,869 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 10:47:37,869 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:47:37,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:47:37,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1060509885, now seen corresponding path program 1 times [2021-03-24 10:47:37,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:47:37,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693589193] [2021-03-24 10:47:37,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:47:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:47:37,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:37,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:47:38,001 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-24 10:47:38,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 10:47:38,009 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:47:38,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:47:38,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:47:38,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693589193] [2021-03-24 10:47:38,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:47:38,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 10:47:38,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783631626] [2021-03-24 10:47:38,014 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 10:47:38,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:47:38,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 10:47:38,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 10:47:38,015 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 192 [2021-03-24 10:47:38,016 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 43 transitions, 98 flow. Second operand has 4 states, 4 states have (on average 154.25) internal successors, (617), 4 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:38,016 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:47:38,016 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 192 [2021-03-24 10:47:38,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:47:38,295 INFO L129 PetriNetUnfolder]: 1397/2948 cut-off events. [2021-03-24 10:47:38,295 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:47:38,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5080 conditions, 2948 events. 1397/2948 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 23972 event pairs, 386 based on Foata normal form. 121/2917 useless extension candidates. Maximal degree in co-relation 5060. Up to 827 conditions per place. [2021-03-24 10:47:38,308 INFO L132 encePairwiseOnDemand]: 180/192 looper letters, 13 selfloop transitions, 9 changer transitions 22/70 dead transitions. [2021-03-24 10:47:38,308 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 70 transitions, 234 flow [2021-03-24 10:47:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 10:47:38,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 10:47:38,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 808 transitions. [2021-03-24 10:47:38,310 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8416666666666667 [2021-03-24 10:47:38,310 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 808 transitions. [2021-03-24 10:47:38,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 808 transitions. [2021-03-24 10:47:38,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:47:38,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 808 transitions. [2021-03-24 10:47:38,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 161.6) internal successors, (808), 5 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:38,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 192.0) internal successors, (1152), 6 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:38,314 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 192.0) internal successors, (1152), 6 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:38,314 INFO L185 Difference]: Start difference. First operand has 54 places, 43 transitions, 98 flow. Second operand 5 states and 808 transitions. [2021-03-24 10:47:38,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 70 transitions, 234 flow [2021-03-24 10:47:38,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 70 transitions, 230 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 10:47:38,316 INFO L241 Difference]: Finished difference. Result has 60 places, 47 transitions, 176 flow [2021-03-24 10:47:38,316 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=176, PETRI_PLACES=60, PETRI_TRANSITIONS=47} [2021-03-24 10:47:38,318 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 2 predicate places. [2021-03-24 10:47:38,318 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 47 transitions, 176 flow [2021-03-24 10:47:38,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 154.25) internal successors, (617), 4 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:38,318 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:47:38,319 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:47:38,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 10:47:38,319 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:47:38,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:47:38,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1483933769, now seen corresponding path program 1 times [2021-03-24 10:47:38,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:47:38,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114737015] [2021-03-24 10:47:38,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:47:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:47:38,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:38,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:47:38,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:38,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:47:38,397 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-24 10:47:38,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 10:47:38,408 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:47:38,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:47:38,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:47:38,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114737015] [2021-03-24 10:47:38,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:47:38,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 10:47:38,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472226293] [2021-03-24 10:47:38,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:47:38,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:47:38,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:47:38,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:47:38,416 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 192 [2021-03-24 10:47:38,417 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 47 transitions, 176 flow. Second operand has 5 states, 5 states have (on average 154.2) internal successors, (771), 5 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:38,417 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:47:38,417 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 192 [2021-03-24 10:47:38,417 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:47:38,614 INFO L129 PetriNetUnfolder]: 725/1614 cut-off events. [2021-03-24 10:47:38,614 INFO L130 PetriNetUnfolder]: For 1209/1582 co-relation queries the response was YES. [2021-03-24 10:47:38,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4992 conditions, 1614 events. 725/1614 cut-off events. For 1209/1582 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 11734 event pairs, 64 based on Foata normal form. 113/1710 useless extension candidates. Maximal degree in co-relation 4968. Up to 575 conditions per place. [2021-03-24 10:47:38,624 INFO L132 encePairwiseOnDemand]: 180/192 looper letters, 22 selfloop transitions, 14 changer transitions 30/92 dead transitions. [2021-03-24 10:47:38,624 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 92 transitions, 576 flow [2021-03-24 10:47:38,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:47:38,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:47:38,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1127 transitions. [2021-03-24 10:47:38,626 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8385416666666666 [2021-03-24 10:47:38,626 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1127 transitions. [2021-03-24 10:47:38,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1127 transitions. [2021-03-24 10:47:38,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:47:38,627 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1127 transitions. [2021-03-24 10:47:38,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 161.0) internal successors, (1127), 7 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:38,630 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 192.0) internal successors, (1536), 8 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:38,630 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 192.0) internal successors, (1536), 8 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:38,630 INFO L185 Difference]: Start difference. First operand has 60 places, 47 transitions, 176 flow. Second operand 7 states and 1127 transitions. [2021-03-24 10:47:38,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 92 transitions, 576 flow [2021-03-24 10:47:38,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 92 transitions, 514 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 10:47:38,679 INFO L241 Difference]: Finished difference. Result has 64 places, 56 transitions, 290 flow [2021-03-24 10:47:38,679 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=290, PETRI_PLACES=64, PETRI_TRANSITIONS=56} [2021-03-24 10:47:38,679 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 6 predicate places. [2021-03-24 10:47:38,679 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 56 transitions, 290 flow [2021-03-24 10:47:38,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 154.2) internal successors, (771), 5 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:38,683 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:47:38,683 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:47:38,683 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 10:47:38,684 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:47:38,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:47:38,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1483931847, now seen corresponding path program 1 times [2021-03-24 10:47:38,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:47:38,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115766222] [2021-03-24 10:47:38,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:47:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:47:38,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:38,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:47:38,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:38,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:47:38,736 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-24 10:47:38,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 10:47:38,744 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:47:38,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:47:38,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:47:38,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115766222] [2021-03-24 10:47:38,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:47:38,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 10:47:38,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992437981] [2021-03-24 10:47:38,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:47:38,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:47:38,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:47:38,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:47:38,749 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 192 [2021-03-24 10:47:38,750 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 56 transitions, 290 flow. Second operand has 5 states, 5 states have (on average 154.2) internal successors, (771), 5 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:38,750 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:47:38,750 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 192 [2021-03-24 10:47:38,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:47:38,913 INFO L129 PetriNetUnfolder]: 587/1369 cut-off events. [2021-03-24 10:47:38,913 INFO L130 PetriNetUnfolder]: For 3662/4178 co-relation queries the response was YES. [2021-03-24 10:47:38,917 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5061 conditions, 1369 events. 587/1369 cut-off events. For 3662/4178 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 9845 event pairs, 78 based on Foata normal form. 94/1453 useless extension candidates. Maximal degree in co-relation 5029. Up to 452 conditions per place. [2021-03-24 10:47:38,923 INFO L132 encePairwiseOnDemand]: 180/192 looper letters, 24 selfloop transitions, 23 changer transitions 26/99 dead transitions. [2021-03-24 10:47:38,923 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 99 transitions, 754 flow [2021-03-24 10:47:38,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:47:38,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:47:38,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1124 transitions. [2021-03-24 10:47:38,926 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8363095238095238 [2021-03-24 10:47:38,926 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1124 transitions. [2021-03-24 10:47:38,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1124 transitions. [2021-03-24 10:47:38,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:47:38,926 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1124 transitions. [2021-03-24 10:47:38,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 160.57142857142858) internal successors, (1124), 7 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:38,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 192.0) internal successors, (1536), 8 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:38,931 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 192.0) internal successors, (1536), 8 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:38,931 INFO L185 Difference]: Start difference. First operand has 64 places, 56 transitions, 290 flow. Second operand 7 states and 1124 transitions. [2021-03-24 10:47:38,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 99 transitions, 754 flow [2021-03-24 10:47:38,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 99 transitions, 746 flow, removed 4 selfloop flow, removed 0 redundant places. [2021-03-24 10:47:38,940 INFO L241 Difference]: Finished difference. Result has 73 places, 68 transitions, 506 flow [2021-03-24 10:47:38,940 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=506, PETRI_PLACES=73, PETRI_TRANSITIONS=68} [2021-03-24 10:47:38,941 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 15 predicate places. [2021-03-24 10:47:38,941 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 68 transitions, 506 flow [2021-03-24 10:47:38,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 154.2) internal successors, (771), 5 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:38,941 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:47:38,941 INFO L263 CegarLoopForPetriNet]: 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] [2021-03-24 10:47:38,941 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 10:47:38,941 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:47:38,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:47:38,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1242693503, now seen corresponding path program 1 times [2021-03-24 10:47:38,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:47:38,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348008648] [2021-03-24 10:47:38,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:47:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:47:38,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:38,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:47:38,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:38,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:47:38,994 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-24 10:47:38,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 10:47:39,003 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:47:39,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:47:39,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:47:39,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348008648] [2021-03-24 10:47:39,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:47:39,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 10:47:39,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020072127] [2021-03-24 10:47:39,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:47:39,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:47:39,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:47:39,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:47:39,008 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 192 [2021-03-24 10:47:39,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 68 transitions, 506 flow. Second operand has 5 states, 5 states have (on average 154.4) internal successors, (772), 5 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:39,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:47:39,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 192 [2021-03-24 10:47:39,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:47:39,195 INFO L129 PetriNetUnfolder]: 507/1228 cut-off events. [2021-03-24 10:47:39,195 INFO L130 PetriNetUnfolder]: For 6067/6812 co-relation queries the response was YES. [2021-03-24 10:47:39,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5549 conditions, 1228 events. 507/1228 cut-off events. For 6067/6812 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 8798 event pairs, 48 based on Foata normal form. 75/1294 useless extension candidates. Maximal degree in co-relation 5507. Up to 398 conditions per place. [2021-03-24 10:47:39,205 INFO L132 encePairwiseOnDemand]: 180/192 looper letters, 34 selfloop transitions, 30 changer transitions 24/114 dead transitions. [2021-03-24 10:47:39,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 114 transitions, 1158 flow [2021-03-24 10:47:39,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:47:39,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:47:39,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1122 transitions. [2021-03-24 10:47:39,208 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8348214285714286 [2021-03-24 10:47:39,208 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1122 transitions. [2021-03-24 10:47:39,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1122 transitions. [2021-03-24 10:47:39,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:47:39,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1122 transitions. [2021-03-24 10:47:39,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 160.28571428571428) internal successors, (1122), 7 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:39,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 192.0) internal successors, (1536), 8 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:39,212 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 192.0) internal successors, (1536), 8 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:39,212 INFO L185 Difference]: Start difference. First operand has 73 places, 68 transitions, 506 flow. Second operand 7 states and 1122 transitions. [2021-03-24 10:47:39,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 114 transitions, 1158 flow [2021-03-24 10:47:39,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 114 transitions, 1126 flow, removed 16 selfloop flow, removed 2 redundant places. [2021-03-24 10:47:39,225 INFO L241 Difference]: Finished difference. Result has 80 places, 82 transitions, 796 flow [2021-03-24 10:47:39,225 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=796, PETRI_PLACES=80, PETRI_TRANSITIONS=82} [2021-03-24 10:47:39,225 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 22 predicate places. [2021-03-24 10:47:39,225 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 82 transitions, 796 flow [2021-03-24 10:47:39,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 154.4) internal successors, (772), 5 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:39,226 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:47:39,226 INFO L263 CegarLoopForPetriNet]: 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] [2021-03-24 10:47:39,226 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 10:47:39,226 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:47:39,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:47:39,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1373952301, now seen corresponding path program 1 times [2021-03-24 10:47:39,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:47:39,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535061124] [2021-03-24 10:47:39,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:47:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:47:39,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:39,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:47:39,271 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-24 10:47:39,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 10:47:39,287 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:47:39,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:47:39,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:47:39,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535061124] [2021-03-24 10:47:39,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:47:39,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 10:47:39,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313914548] [2021-03-24 10:47:39,291 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:47:39,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:47:39,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:47:39,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:47:39,292 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 192 [2021-03-24 10:47:39,293 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 82 transitions, 796 flow. Second operand has 5 states, 5 states have (on average 154.6) internal successors, (773), 5 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:39,293 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:47:39,293 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 192 [2021-03-24 10:47:39,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:47:39,503 INFO L129 PetriNetUnfolder]: 401/998 cut-off events. [2021-03-24 10:47:39,503 INFO L130 PetriNetUnfolder]: For 7987/8961 co-relation queries the response was YES. [2021-03-24 10:47:39,507 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5260 conditions, 998 events. 401/998 cut-off events. For 7987/8961 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 6821 event pairs, 26 based on Foata normal form. 71/1063 useless extension candidates. Maximal degree in co-relation 5210. Up to 333 conditions per place. [2021-03-24 10:47:39,513 INFO L132 encePairwiseOnDemand]: 182/192 looper letters, 58 selfloop transitions, 21 changer transitions 27/132 dead transitions. [2021-03-24 10:47:39,513 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 132 transitions, 1654 flow [2021-03-24 10:47:39,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:47:39,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:47:39,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1119 transitions. [2021-03-24 10:47:39,515 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8325892857142857 [2021-03-24 10:47:39,516 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1119 transitions. [2021-03-24 10:47:39,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1119 transitions. [2021-03-24 10:47:39,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:47:39,516 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1119 transitions. [2021-03-24 10:47:39,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 159.85714285714286) internal successors, (1119), 7 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:39,519 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 192.0) internal successors, (1536), 8 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:39,519 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 192.0) internal successors, (1536), 8 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:39,519 INFO L185 Difference]: Start difference. First operand has 80 places, 82 transitions, 796 flow. Second operand 7 states and 1119 transitions. [2021-03-24 10:47:39,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 132 transitions, 1654 flow [2021-03-24 10:47:39,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 132 transitions, 1626 flow, removed 14 selfloop flow, removed 2 redundant places. [2021-03-24 10:47:39,535 INFO L241 Difference]: Finished difference. Result has 87 places, 95 transitions, 1106 flow [2021-03-24 10:47:39,535 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1106, PETRI_PLACES=87, PETRI_TRANSITIONS=95} [2021-03-24 10:47:39,535 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 29 predicate places. [2021-03-24 10:47:39,536 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 95 transitions, 1106 flow [2021-03-24 10:47:39,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 154.6) internal successors, (773), 5 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:39,536 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:47:39,536 INFO L263 CegarLoopForPetriNet]: 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] [2021-03-24 10:47:39,536 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 10:47:39,536 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:47:39,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:47:39,537 INFO L82 PathProgramCache]: Analyzing trace with hash 279577873, now seen corresponding path program 1 times [2021-03-24 10:47:39,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:47:39,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122618933] [2021-03-24 10:47:39,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:47:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:47:39,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:39,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:47:39,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:39,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:47:39,573 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-24 10:47:39,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 10:47:39,582 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:47:39,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:47:39,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:47:39,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122618933] [2021-03-24 10:47:39,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:47:39,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 10:47:39,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283772600] [2021-03-24 10:47:39,588 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:47:39,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:47:39,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:47:39,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:47:39,589 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 192 [2021-03-24 10:47:39,590 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 95 transitions, 1106 flow. Second operand has 5 states, 5 states have (on average 154.8) internal successors, (774), 5 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:39,590 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:47:39,590 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 192 [2021-03-24 10:47:39,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:47:39,772 INFO L129 PetriNetUnfolder]: 347/952 cut-off events. [2021-03-24 10:47:39,772 INFO L130 PetriNetUnfolder]: For 9192/9833 co-relation queries the response was YES. [2021-03-24 10:47:39,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5500 conditions, 952 events. 347/952 cut-off events. For 9192/9833 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 6734 event pairs, 26 based on Foata normal form. 59/1005 useless extension candidates. Maximal degree in co-relation 5466. Up to 288 conditions per place. [2021-03-24 10:47:39,782 INFO L132 encePairwiseOnDemand]: 181/192 looper letters, 27 selfloop transitions, 52 changer transitions 20/125 dead transitions. [2021-03-24 10:47:39,782 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 125 transitions, 1752 flow [2021-03-24 10:47:39,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:47:39,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:47:39,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1114 transitions. [2021-03-24 10:47:39,785 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8288690476190477 [2021-03-24 10:47:39,785 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1114 transitions. [2021-03-24 10:47:39,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1114 transitions. [2021-03-24 10:47:39,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:47:39,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1114 transitions. [2021-03-24 10:47:39,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 159.14285714285714) internal successors, (1114), 7 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:39,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 192.0) internal successors, (1536), 8 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:39,790 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 192.0) internal successors, (1536), 8 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:39,790 INFO L185 Difference]: Start difference. First operand has 87 places, 95 transitions, 1106 flow. Second operand 7 states and 1114 transitions. [2021-03-24 10:47:39,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 125 transitions, 1752 flow [2021-03-24 10:47:39,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 125 transitions, 1701 flow, removed 22 selfloop flow, removed 5 redundant places. [2021-03-24 10:47:39,806 INFO L241 Difference]: Finished difference. Result has 91 places, 99 transitions, 1396 flow [2021-03-24 10:47:39,806 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=1081, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1396, PETRI_PLACES=91, PETRI_TRANSITIONS=99} [2021-03-24 10:47:39,806 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 33 predicate places. [2021-03-24 10:47:39,806 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 99 transitions, 1396 flow [2021-03-24 10:47:39,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 154.8) internal successors, (774), 5 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:39,806 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:47:39,806 INFO L263 CegarLoopForPetriNet]: 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] [2021-03-24 10:47:39,807 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 10:47:39,807 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:47:39,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:47:39,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1737653055, now seen corresponding path program 1 times [2021-03-24 10:47:39,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:47:39,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888129174] [2021-03-24 10:47:39,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:47:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:47:39,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:39,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:47:39,855 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 10:47:39,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 10:47:39,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:39,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:47:39,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:47:39,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888129174] [2021-03-24 10:47:39,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:47:39,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 10:47:39,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601136870] [2021-03-24 10:47:39,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 10:47:39,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:47:39,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 10:47:39,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 10:47:39,863 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 192 [2021-03-24 10:47:39,863 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 99 transitions, 1396 flow. Second operand has 4 states, 4 states have (on average 158.75) internal successors, (635), 4 states have internal predecessors, (635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:39,863 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:47:39,863 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 192 [2021-03-24 10:47:39,863 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:47:40,289 INFO L129 PetriNetUnfolder]: 1706/3412 cut-off events. [2021-03-24 10:47:40,289 INFO L130 PetriNetUnfolder]: For 11581/12376 co-relation queries the response was YES. [2021-03-24 10:47:40,306 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10608 conditions, 3412 events. 1706/3412 cut-off events. For 11581/12376 co-relation queries the response was YES. Maximal size of possible extension queue 573. Compared 29410 event pairs, 691 based on Foata normal form. 281/3090 useless extension candidates. Maximal degree in co-relation 10551. Up to 2164 conditions per place. [2021-03-24 10:47:40,325 INFO L132 encePairwiseOnDemand]: 185/192 looper letters, 12 selfloop transitions, 10 changer transitions 0/113 dead transitions. [2021-03-24 10:47:40,326 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 113 transitions, 1468 flow [2021-03-24 10:47:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 10:47:40,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 10:47:40,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 814 transitions. [2021-03-24 10:47:40,327 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8479166666666667 [2021-03-24 10:47:40,327 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 814 transitions. [2021-03-24 10:47:40,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 814 transitions. [2021-03-24 10:47:40,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:47:40,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 814 transitions. [2021-03-24 10:47:40,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 162.8) internal successors, (814), 5 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:40,330 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 192.0) internal successors, (1152), 6 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:40,331 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 192.0) internal successors, (1152), 6 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:40,331 INFO L185 Difference]: Start difference. First operand has 91 places, 99 transitions, 1396 flow. Second operand 5 states and 814 transitions. [2021-03-24 10:47:40,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 113 transitions, 1468 flow [2021-03-24 10:47:40,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 113 transitions, 1452 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-03-24 10:47:40,350 INFO L241 Difference]: Finished difference. Result has 91 places, 108 transitions, 1455 flow [2021-03-24 10:47:40,350 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=1380, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1455, PETRI_PLACES=91, PETRI_TRANSITIONS=108} [2021-03-24 10:47:40,351 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 33 predicate places. [2021-03-24 10:47:40,351 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 108 transitions, 1455 flow [2021-03-24 10:47:40,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 158.75) internal successors, (635), 4 states have internal predecessors, (635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:40,351 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:47:40,351 INFO L263 CegarLoopForPetriNet]: 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] [2021-03-24 10:47:40,351 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-24 10:47:40,351 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:47:40,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:47:40,351 INFO L82 PathProgramCache]: Analyzing trace with hash 2089440290, now seen corresponding path program 1 times [2021-03-24 10:47:40,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:47:40,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765839533] [2021-03-24 10:47:40,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:47:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:47:40,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:40,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:47:40,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:40,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:47:40,407 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-24 10:47:40,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 10:47:40,416 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 10:47:40,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:47:40,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:47:40,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765839533] [2021-03-24 10:47:40,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:47:40,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 10:47:40,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035522131] [2021-03-24 10:47:40,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:47:40,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:47:40,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:47:40,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:47:40,422 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 192 [2021-03-24 10:47:40,423 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 108 transitions, 1455 flow. Second operand has 5 states, 5 states have (on average 154.8) internal successors, (774), 5 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:40,423 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:47:40,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 192 [2021-03-24 10:47:40,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:47:40,890 INFO L129 PetriNetUnfolder]: 2149/4554 cut-off events. [2021-03-24 10:47:40,890 INFO L130 PetriNetUnfolder]: For 22474/26625 co-relation queries the response was YES. [2021-03-24 10:47:40,919 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18550 conditions, 4554 events. 2149/4554 cut-off events. For 22474/26625 co-relation queries the response was YES. Maximal size of possible extension queue 668. Compared 42252 event pairs, 882 based on Foata normal form. 241/4346 useless extension candidates. Maximal degree in co-relation 18490. Up to 2812 conditions per place. [2021-03-24 10:47:41,021 INFO L132 encePairwiseOnDemand]: 181/192 looper letters, 43 selfloop transitions, 54 changer transitions 20/152 dead transitions. [2021-03-24 10:47:41,021 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 152 transitions, 2472 flow [2021-03-24 10:47:41,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:47:41,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:47:41,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1115 transitions. [2021-03-24 10:47:41,023 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8296130952380952 [2021-03-24 10:47:41,023 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1115 transitions. [2021-03-24 10:47:41,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1115 transitions. [2021-03-24 10:47:41,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:47:41,024 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1115 transitions. [2021-03-24 10:47:41,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 159.28571428571428) internal successors, (1115), 7 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:41,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 192.0) internal successors, (1536), 8 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:41,027 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 192.0) internal successors, (1536), 8 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:41,027 INFO L185 Difference]: Start difference. First operand has 91 places, 108 transitions, 1455 flow. Second operand 7 states and 1115 transitions. [2021-03-24 10:47:41,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 152 transitions, 2472 flow [2021-03-24 10:47:41,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 152 transitions, 2463 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-24 10:47:41,066 INFO L241 Difference]: Finished difference. Result has 102 places, 118 transitions, 1931 flow [2021-03-24 10:47:41,067 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=1448, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1931, PETRI_PLACES=102, PETRI_TRANSITIONS=118} [2021-03-24 10:47:41,067 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 44 predicate places. [2021-03-24 10:47:41,067 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 118 transitions, 1931 flow [2021-03-24 10:47:41,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 154.8) internal successors, (774), 5 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:41,067 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:47:41,067 INFO L263 CegarLoopForPetriNet]: 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] [2021-03-24 10:47:41,067 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-24 10:47:41,068 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:47:41,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:47:41,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1355455689, now seen corresponding path program 1 times [2021-03-24 10:47:41,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:47:41,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893747851] [2021-03-24 10:47:41,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:47:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:47:41,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:41,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:47:41,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:41,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:47:41,128 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 10:47:41,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 10:47:41,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:41,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:47:41,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:47:41,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893747851] [2021-03-24 10:47:41,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:47:41,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 10:47:41,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490679009] [2021-03-24 10:47:41,135 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:47:41,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:47:41,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:47:41,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:47:41,136 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 192 [2021-03-24 10:47:41,137 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 118 transitions, 1931 flow. Second operand has 5 states, 5 states have (on average 158.8) internal successors, (794), 5 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:41,137 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:47:41,137 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 192 [2021-03-24 10:47:41,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:47:41,592 INFO L129 PetriNetUnfolder]: 2016/4161 cut-off events. [2021-03-24 10:47:41,593 INFO L130 PetriNetUnfolder]: For 14735/21387 co-relation queries the response was YES. [2021-03-24 10:47:41,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17548 conditions, 4161 events. 2016/4161 cut-off events. For 14735/21387 co-relation queries the response was YES. Maximal size of possible extension queue 674. Compared 37172 event pairs, 233 based on Foata normal form. 1059/4812 useless extension candidates. Maximal degree in co-relation 17483. Up to 2882 conditions per place. [2021-03-24 10:47:41,635 INFO L132 encePairwiseOnDemand]: 185/192 looper letters, 13 selfloop transitions, 19 changer transitions 3/131 dead transitions. [2021-03-24 10:47:41,635 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 131 transitions, 2019 flow [2021-03-24 10:47:41,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:47:41,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:47:41,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1140 transitions. [2021-03-24 10:47:41,637 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8482142857142857 [2021-03-24 10:47:41,637 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1140 transitions. [2021-03-24 10:47:41,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1140 transitions. [2021-03-24 10:47:41,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:47:41,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1140 transitions. [2021-03-24 10:47:41,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 162.85714285714286) internal successors, (1140), 7 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:41,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 192.0) internal successors, (1536), 8 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:41,641 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 192.0) internal successors, (1536), 8 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:41,641 INFO L185 Difference]: Start difference. First operand has 102 places, 118 transitions, 1931 flow. Second operand 7 states and 1140 transitions. [2021-03-24 10:47:41,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 131 transitions, 2019 flow [2021-03-24 10:47:41,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 131 transitions, 2005 flow, removed 7 selfloop flow, removed 1 redundant places. [2021-03-24 10:47:41,682 INFO L241 Difference]: Finished difference. Result has 110 places, 122 transitions, 1913 flow [2021-03-24 10:47:41,682 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=1861, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1913, PETRI_PLACES=110, PETRI_TRANSITIONS=122} [2021-03-24 10:47:41,682 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 52 predicate places. [2021-03-24 10:47:41,682 INFO L480 AbstractCegarLoop]: Abstraction has has 110 places, 122 transitions, 1913 flow [2021-03-24 10:47:41,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 158.8) internal successors, (794), 5 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:41,683 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:47:41,683 INFO L263 CegarLoopForPetriNet]: 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, 1, 1, 1] [2021-03-24 10:47:41,683 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-24 10:47:41,683 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:47:41,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:47:41,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1762672704, now seen corresponding path program 1 times [2021-03-24 10:47:41,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:47:41,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591386906] [2021-03-24 10:47:41,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:47:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:47:41,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:41,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:47:41,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:41,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:47:41,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:41,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:47:41,751 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 10:47:41,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 10:47:41,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:41,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:47:41,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:47:41,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591386906] [2021-03-24 10:47:41,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:47:41,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 10:47:41,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83333289] [2021-03-24 10:47:41,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 10:47:41,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:47:41,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 10:47:41,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-24 10:47:41,760 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 192 [2021-03-24 10:47:41,760 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 122 transitions, 1913 flow. Second operand has 6 states, 6 states have (on average 158.83333333333334) internal successors, (953), 6 states have internal predecessors, (953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:41,761 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:47:41,761 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 192 [2021-03-24 10:47:41,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:47:42,184 INFO L129 PetriNetUnfolder]: 1743/3618 cut-off events. [2021-03-24 10:47:42,185 INFO L130 PetriNetUnfolder]: For 19421/36921 co-relation queries the response was YES. [2021-03-24 10:47:42,211 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19869 conditions, 3618 events. 1743/3618 cut-off events. For 19421/36921 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 31933 event pairs, 31 based on Foata normal form. 1506/4749 useless extension candidates. Maximal degree in co-relation 19800. Up to 2668 conditions per place. [2021-03-24 10:47:42,226 INFO L132 encePairwiseOnDemand]: 185/192 looper letters, 10 selfloop transitions, 28 changer transitions 8/138 dead transitions. [2021-03-24 10:47:42,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 138 transitions, 2129 flow [2021-03-24 10:47:42,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 10:47:42,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 10:47:42,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1466 transitions. [2021-03-24 10:47:42,233 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8483796296296297 [2021-03-24 10:47:42,233 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1466 transitions. [2021-03-24 10:47:42,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1466 transitions. [2021-03-24 10:47:42,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:47:42,235 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1466 transitions. [2021-03-24 10:47:42,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 162.88888888888889) internal successors, (1466), 9 states have internal predecessors, (1466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:42,241 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 192.0) internal successors, (1920), 10 states have internal predecessors, (1920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:42,241 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 192.0) internal successors, (1920), 10 states have internal predecessors, (1920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:42,241 INFO L185 Difference]: Start difference. First operand has 110 places, 122 transitions, 1913 flow. Second operand 9 states and 1466 transitions. [2021-03-24 10:47:42,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 138 transitions, 2129 flow [2021-03-24 10:47:42,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 138 transitions, 2071 flow, removed 21 selfloop flow, removed 4 redundant places. [2021-03-24 10:47:42,364 INFO L241 Difference]: Finished difference. Result has 117 places, 127 transitions, 1953 flow [2021-03-24 10:47:42,364 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=1855, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1953, PETRI_PLACES=117, PETRI_TRANSITIONS=127} [2021-03-24 10:47:42,364 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 59 predicate places. [2021-03-24 10:47:42,364 INFO L480 AbstractCegarLoop]: Abstraction has has 117 places, 127 transitions, 1953 flow [2021-03-24 10:47:42,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 158.83333333333334) internal successors, (953), 6 states have internal predecessors, (953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:42,365 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:47:42,365 INFO L263 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1] [2021-03-24 10:47:42,365 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-24 10:47:42,365 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:47:42,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:47:42,366 INFO L82 PathProgramCache]: Analyzing trace with hash -721518194, now seen corresponding path program 1 times [2021-03-24 10:47:42,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:47:42,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287644653] [2021-03-24 10:47:42,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:47:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:47:42,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:42,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:47:42,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:42,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:47:42,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:42,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:47:42,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:42,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:47:42,460 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 10:47:42,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 10:47:42,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:47:42,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:47:42,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 10:47:42,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287644653] [2021-03-24 10:47:42,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:47:42,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 10:47:42,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953472388] [2021-03-24 10:47:42,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 10:47:42,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:47:42,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 10:47:42,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-24 10:47:42,470 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 192 [2021-03-24 10:47:42,470 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 127 transitions, 1953 flow. Second operand has 7 states, 7 states have (on average 158.85714285714286) internal successors, (1112), 7 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:42,470 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:47:42,470 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 192 [2021-03-24 10:47:42,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:47:42,911 INFO L129 PetriNetUnfolder]: 1622/3381 cut-off events. [2021-03-24 10:47:42,911 INFO L130 PetriNetUnfolder]: For 22657/31620 co-relation queries the response was YES. [2021-03-24 10:47:42,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19250 conditions, 3381 events. 1622/3381 cut-off events. For 22657/31620 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 29949 event pairs, 10 based on Foata normal form. 1142/4150 useless extension candidates. Maximal degree in co-relation 19208. Up to 1788 conditions per place. [2021-03-24 10:47:42,944 INFO L132 encePairwiseOnDemand]: 185/192 looper letters, 6 selfloop transitions, 33 changer transitions 10/136 dead transitions. [2021-03-24 10:47:42,945 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 136 transitions, 2105 flow [2021-03-24 10:47:42,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 10:47:42,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 10:47:42,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1784 transitions. [2021-03-24 10:47:42,948 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8446969696969697 [2021-03-24 10:47:42,948 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1784 transitions. [2021-03-24 10:47:42,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1784 transitions. [2021-03-24 10:47:42,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:47:42,948 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1784 transitions. [2021-03-24 10:47:42,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 162.1818181818182) internal successors, (1784), 11 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:42,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 192.0) internal successors, (2304), 12 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:42,954 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 192.0) internal successors, (2304), 12 states have internal predecessors, (2304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:42,955 INFO L185 Difference]: Start difference. First operand has 117 places, 127 transitions, 1953 flow. Second operand 11 states and 1784 transitions. [2021-03-24 10:47:42,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 136 transitions, 2105 flow [2021-03-24 10:47:43,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 136 transitions, 1969 flow, removed 50 selfloop flow, removed 10 redundant places. [2021-03-24 10:47:43,202 INFO L241 Difference]: Finished difference. Result has 117 places, 123 transitions, 1805 flow [2021-03-24 10:47:43,202 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=1817, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1805, PETRI_PLACES=117, PETRI_TRANSITIONS=123} [2021-03-24 10:47:43,202 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 59 predicate places. [2021-03-24 10:47:43,202 INFO L480 AbstractCegarLoop]: Abstraction has has 117 places, 123 transitions, 1805 flow [2021-03-24 10:47:43,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 158.85714285714286) internal successors, (1112), 7 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 10:47:43,208 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:47:43,208 INFO L263 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:47:43,208 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-24 10:47:43,208 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:47:43,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:47:43,208 INFO L82 PathProgramCache]: Analyzing trace with hash -263931823, now seen corresponding path program 1 times [2021-03-24 10:47:43,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:47:43,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511605107] [2021-03-24 10:47:43,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:47:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 10:47:43,249 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 10:47:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 10:47:43,284 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 10:47:43,320 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-24 10:47:43,320 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-24 10:47:43,320 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-24 10:47:43,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 10:47:43 BasicIcfg [2021-03-24 10:47:43,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 10:47:43,424 INFO L168 Benchmark]: Toolchain (without parser) took 10486.14 ms. Allocated memory was 362.8 MB in the beginning and 683.7 MB in the end (delta: 320.9 MB). Free memory was 326.5 MB in the beginning and 344.4 MB in the end (delta: -17.9 MB). Peak memory consumption was 304.5 MB. Max. memory is 16.0 GB. [2021-03-24 10:47:43,425 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 362.8 MB. Free memory was 344.6 MB in the beginning and 344.5 MB in the end (delta: 71.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 10:47:43,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.86 ms. Allocated memory is still 362.8 MB. Free memory was 326.3 MB in the beginning and 321.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.0 GB. [2021-03-24 10:47:43,425 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.28 ms. Allocated memory is still 362.8 MB. Free memory was 321.8 MB in the beginning and 319.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 10:47:43,426 INFO L168 Benchmark]: Boogie Preprocessor took 24.21 ms. Allocated memory is still 362.8 MB. Free memory was 319.6 MB in the beginning and 316.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 10:47:43,426 INFO L168 Benchmark]: RCFGBuilder took 1503.42 ms. Allocated memory is still 362.8 MB. Free memory was 316.5 MB in the beginning and 239.5 MB in the end (delta: 77.1 MB). Peak memory consumption was 158.9 MB. Max. memory is 16.0 GB. [2021-03-24 10:47:43,426 INFO L168 Benchmark]: TraceAbstraction took 8543.75 ms. Allocated memory was 362.8 MB in the beginning and 683.7 MB in the end (delta: 320.9 MB). Free memory was 239.5 MB in the beginning and 344.4 MB in the end (delta: -105.0 MB). Peak memory consumption was 215.9 MB. Max. memory is 16.0 GB. [2021-03-24 10:47:43,429 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 362.8 MB. Free memory was 344.6 MB in the beginning and 344.5 MB in the end (delta: 71.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 377.86 ms. Allocated memory is still 362.8 MB. Free memory was 326.3 MB in the beginning and 321.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 33.28 ms. Allocated memory is still 362.8 MB. Free memory was 321.8 MB in the beginning and 319.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 24.21 ms. Allocated memory is still 362.8 MB. Free memory was 319.6 MB in the beginning and 316.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1503.42 ms. Allocated memory is still 362.8 MB. Free memory was 316.5 MB in the beginning and 239.5 MB in the end (delta: 77.1 MB). Peak memory consumption was 158.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 8543.75 ms. Allocated memory was 362.8 MB in the beginning and 683.7 MB in the end (delta: 320.9 MB). Free memory was 239.5 MB in the beginning and 344.4 MB in the end (delta: -105.0 MB). Peak memory consumption was 215.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2463.9ms, 123 PlacesBefore, 58 PlacesAfterwards, 112 TransitionsBefore, 46 TransitionsAfterwards, 2774 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 76 TotalNumberOfCompositions, 5882 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2085, positive: 1949, positive conditional: 0, positive unconditional: 1949, negative: 136, negative conditional: 0, negative unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1304, positive: 1270, positive conditional: 0, positive unconditional: 1270, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1304, positive: 1270, positive conditional: 0, positive unconditional: 1270, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2085, positive: 679, positive conditional: 0, positive unconditional: 679, negative: 102, negative conditional: 0, negative unconditional: 102, unknown: 1304, unknown conditional: 0, unknown unconditional: 1304] , Statistics on independence cache: Total cache size (in pairs): 126, Positive cache size: 109, Positive conditional cache size: 0, Positive unconditional cache size: 109, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p3_EAX = 0; [L714] 0 int __unbuffered_p3_EBX = 0; [L716] 0 int a = 0; [L717] 0 _Bool a$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0] [L718] 0 int a$mem_tmp; [L719] 0 _Bool a$r_buff0_thd0; [L720] 0 _Bool a$r_buff0_thd1; VAL [__unbuffered_cnt=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] [L721] 0 _Bool a$r_buff0_thd2; [L722] 0 _Bool a$r_buff0_thd3; VAL [__unbuffered_cnt=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] [L723] 0 _Bool a$r_buff0_thd4; [L724] 0 _Bool a$r_buff1_thd0; [L725] 0 _Bool a$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$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] [L726] 0 _Bool a$r_buff1_thd2; [L727] 0 _Bool a$r_buff1_thd3; [L728] 0 _Bool a$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$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$r_buff1_thd4=0] [L729] 0 _Bool a$read_delayed; [L730] 0 int *a$read_delayed_var; [L731] 0 int a$w_buff0; VAL [__unbuffered_cnt=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$w_buff0=0] [L732] 0 _Bool a$w_buff0_used; [L733] 0 int a$w_buff1; [L734] 0 _Bool a$w_buff1_used; VAL [__unbuffered_cnt=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] [L735] 0 _Bool main$tmp_guard0; [L736] 0 _Bool main$tmp_guard1; [L738] 0 int x = 0; VAL [__unbuffered_cnt=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, x=0] [L740] 0 int y = 0; [L742] 0 int z = 0; [L743] 0 _Bool weak$$choice0; [L744] 0 _Bool weak$$choice2; [L862] 0 pthread_t t809; [L863] FCALL, FORK 0 pthread_create(&t809, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=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] [L748] 1 a$w_buff1 = a$w_buff0 [L749] 1 a$w_buff0 = 1 [L750] 1 a$w_buff1_used = a$w_buff0_used [L751] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L753] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L754] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L755] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L756] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L757] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L758] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$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] [L761] 1 x = 1 VAL [__unbuffered_cnt=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=1, y=0, z=0] [L864] 0 pthread_t t810; [L865] FCALL, FORK 0 pthread_create(&t810, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=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=1, y=0, z=0] [L778] 2 x = 2 VAL [__unbuffered_cnt=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=2, y=0, z=0] [L781] 2 y = 1 VAL [__unbuffered_cnt=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=2, y=1, z=0] [L866] 0 pthread_t t811; [L867] FCALL, FORK 0 pthread_create(&t811, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=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=2, y=1, z=0] [L798] 3 y = 2 VAL [__unbuffered_cnt=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=2, y=2, z=0] [L801] 3 z = 1 VAL [__unbuffered_cnt=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=2, y=2, z=1] [L868] 0 pthread_t t812; [L869] FCALL, FORK 0 pthread_create(&t812, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=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=2, y=2, z=1] [L818] 4 z = 2 VAL [__unbuffered_cnt=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=2, y=2, z=2] [L821] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __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=2, y=2, z=2] [L824] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L825] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L826] 4 a$flush_delayed = weak$$choice2 [L827] 4 a$mem_tmp = a [L828] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L828] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L829] EXPR 4 weak$$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$w_buff0)) [L829] EXPR 4 !a$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) [L829] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L829] 4 a$w_buff0 = weak$$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)) [L830] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L830] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L830] EXPR 4 weak$$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$w_buff1)) [L830] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L831] EXPR 4 weak$$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)) [L831] 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_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used) [L831] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L831] 4 a$w_buff0_used = weak$$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)) [L832] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L832] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L832] EXPR 4 weak$$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$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L832] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L833] EXPR 4 weak$$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)) [L833] 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) [L833] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L833] 4 a$r_buff0_thd4 = weak$$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)) [L834] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L834] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L834] EXPR 4 weak$$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$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L834] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L835] 4 __unbuffered_p3_EBX = a [L836] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L836] 4 a = a$flush_delayed ? a$mem_tmp : a [L837] 4 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=2] [L840] 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) [L840] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L840] 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) [L840] 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) [L841] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L841] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L842] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L842] 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 [L843] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L843] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L844] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L844] 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 [L804] 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) [L804] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L804] 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) [L804] 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) [L805] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L805] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L806] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L806] 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 [L807] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L807] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L808] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L808] 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 [L764] 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) [L764] 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) [L765] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L765] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L766] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L766] 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 [L767] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L767] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L768] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L768] 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 [L771] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L773] 1 return 0; [L784] 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) [L784] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L784] 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) [L784] 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) [L785] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L785] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L786] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L786] 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 [L787] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L787] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L788] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L788] 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 [L791] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L793] 2 return 0; [L811] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L813] 3 return 0; [L847] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L849] 4 return 0; [L871] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L875] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L875] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L875] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L875] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L876] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L876] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L877] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L877] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L878] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L878] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L879] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L879] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L882] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=2, __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=2, y=2, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 115 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 8320.0ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 4605.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2538.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 195 SDtfs, 168 SDslu, 246 SDs, 0 SdLazy, 358 SolverSat, 122 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 304.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 286.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1953occurred in iteration=11, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 34.2ms SsaConstructionTime, 293.0ms SatisfiabilityAnalysisTime, 605.6ms InterpolantComputationTime, 333 NumberOfCodeBlocks, 333 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 1172 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...