/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/mix032_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 10:48:24,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 10:48:24,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 10:48:24,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 10:48:24,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 10:48:24,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 10:48:24,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 10:48:24,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 10:48:24,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 10:48:24,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 10:48:24,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 10:48:24,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 10:48:24,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 10:48:24,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 10:48:24,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 10:48:24,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 10:48:24,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 10:48:24,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 10:48:24,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 10:48:24,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 10:48:24,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 10:48:24,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 10:48:24,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 10:48:24,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 10:48:24,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 10:48:24,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 10:48:24,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 10:48:24,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 10:48:24,436 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 10:48:24,469 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 10:48:24,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 10:48:24,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 10:48:24,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 10:48:24,473 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 10:48:24,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 10:48:24,473 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 10:48:24,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 10:48:24,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 10:48:24,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 10:48:24,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 10:48:24,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 10:48:24,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 10:48:24,475 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 10:48:24,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 10:48:24,475 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 10:48:24,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 10:48:24,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 10:48:24,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 10:48:24,476 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 10:48:24,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 10:48:24,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 10:48:24,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 10:48:24,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 10:48:24,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 10:48:24,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 10:48:24,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 10:48:24,477 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-24 10:48:24,477 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 10:48:24,477 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 10:48:24,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 10:48:24,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 10:48:24,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 10:48:24,828 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 10:48:24,829 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 10:48:24,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix032_tso.oepc.i [2021-03-24 10:48:24,884 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f04da321/140cfa5ea158414598a7c6af65ef1939/FLAG69882cbc2 [2021-03-24 10:48:25,334 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 10:48:25,335 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix032_tso.oepc.i [2021-03-24 10:48:25,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f04da321/140cfa5ea158414598a7c6af65ef1939/FLAG69882cbc2 [2021-03-24 10:48:25,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f04da321/140cfa5ea158414598a7c6af65ef1939 [2021-03-24 10:48:25,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 10:48:25,364 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 10:48:25,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 10:48:25,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 10:48:25,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 10:48:25,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 10:48:25" (1/1) ... [2021-03-24 10:48:25,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df29f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:48:25, skipping insertion in model container [2021-03-24 10:48:25,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 10:48:25" (1/1) ... [2021-03-24 10:48:25,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 10:48:25,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 10:48:25,572 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/mix032_tso.oepc.i[949,962] [2021-03-24 10:48:25,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 10:48:25,782 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 10:48:25,791 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/mix032_tso.oepc.i[949,962] [2021-03-24 10:48:25,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 10:48:25,878 INFO L208 MainTranslator]: Completed translation [2021-03-24 10:48:25,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:48:25 WrapperNode [2021-03-24 10:48:25,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 10:48:25,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 10:48:25,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 10:48:25,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 10:48:25,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:48:25" (1/1) ... [2021-03-24 10:48:25,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:48:25" (1/1) ... [2021-03-24 10:48:25,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 10:48:25,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 10:48:25,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 10:48:25,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 10:48:25,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:48:25" (1/1) ... [2021-03-24 10:48:25,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:48:25" (1/1) ... [2021-03-24 10:48:25,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:48:25" (1/1) ... [2021-03-24 10:48:25,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:48:25" (1/1) ... [2021-03-24 10:48:25,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:48:25" (1/1) ... [2021-03-24 10:48:25,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:48:25" (1/1) ... [2021-03-24 10:48:25,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:48:25" (1/1) ... [2021-03-24 10:48:25,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 10:48:25,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 10:48:25,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 10:48:25,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 10:48:25,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:48:25" (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 10:48:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 10:48:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 10:48:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 10:48:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 10:48:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-24 10:48:26,041 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-24 10:48:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-24 10:48:26,042 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-24 10:48:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-24 10:48:26,042 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-24 10:48:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 10:48:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 10:48:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 10:48:26,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 10:48:26,044 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 10:48:27,776 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 10:48:27,776 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-24 10:48:27,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 10:48:27 BoogieIcfgContainer [2021-03-24 10:48:27,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 10:48:27,779 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 10:48:27,779 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 10:48:27,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 10:48:27,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 10:48:25" (1/3) ... [2021-03-24 10:48:27,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e55f751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 10:48:27, skipping insertion in model container [2021-03-24 10:48:27,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:48:25" (2/3) ... [2021-03-24 10:48:27,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e55f751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 10:48:27, skipping insertion in model container [2021-03-24 10:48:27,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 10:48:27" (3/3) ... [2021-03-24 10:48:27,784 INFO L111 eAbstractionObserver]: Analyzing ICFG mix032_tso.oepc.i [2021-03-24 10:48:27,789 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 10:48:27,792 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-24 10:48:27,793 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 10:48:27,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,825 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,825 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,825 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,825 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,826 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,826 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,826 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,826 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,830 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,830 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,830 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,830 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,833 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,833 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,833 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,833 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,848 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,848 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,849 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,850 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,850 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,850 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,850 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,851 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,851 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,851 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,851 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,851 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,851 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,853 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,854 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 10:48:27,856 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-24 10:48:27,872 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-24 10:48:27,888 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 10:48:27,889 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 10:48:27,889 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 10:48:27,889 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 10:48:27,889 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 10:48:27,889 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 10:48:27,889 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 10:48:27,889 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 10:48:27,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 115 places, 107 transitions, 229 flow [2021-03-24 10:48:27,930 INFO L129 PetriNetUnfolder]: 2/104 cut-off events. [2021-03-24 10:48:27,930 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:48:27,934 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 104 events. 2/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 75 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2021-03-24 10:48:27,934 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 107 transitions, 229 flow [2021-03-24 10:48:27,938 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 112 places, 104 transitions, 217 flow [2021-03-24 10:48:27,939 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-24 10:48:27,946 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 104 transitions, 217 flow [2021-03-24 10:48:27,948 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 104 transitions, 217 flow [2021-03-24 10:48:27,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 104 transitions, 217 flow [2021-03-24 10:48:27,966 INFO L129 PetriNetUnfolder]: 2/104 cut-off events. [2021-03-24 10:48:27,966 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:48:27,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 104 events. 2/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2021-03-24 10:48:27,970 INFO L142 LiptonReduction]: Number of co-enabled transitions 2054 [2021-03-24 10:48:29,093 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-24 10:48:29,426 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-24 10:48:29,568 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-24 10:48:30,302 INFO L154 LiptonReduction]: Checked pairs total: 3242 [2021-03-24 10:48:30,303 INFO L156 LiptonReduction]: Total number of compositions: 68 [2021-03-24 10:48:30,305 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2367 [2021-03-24 10:48:30,311 INFO L129 PetriNetUnfolder]: 0/14 cut-off events. [2021-03-24 10:48:30,311 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:48:30,311 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:48:30,312 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 10:48:30,312 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:48:30,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:48:30,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1120472696, now seen corresponding path program 1 times [2021-03-24 10:48:30,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:48:30,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796785638] [2021-03-24 10:48:30,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:48:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:48:30,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:30,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:48:30,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:30,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:48:30,492 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 10:48:30,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796785638] [2021-03-24 10:48:30,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:48:30,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 10:48:30,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30827835] [2021-03-24 10:48:30,500 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 10:48:30,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:48:30,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 10:48:30,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 10:48:30,513 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 175 [2021-03-24 10:48:30,516 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 43 transitions, 95 flow. Second operand has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 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 10:48:30,516 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:48:30,516 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 175 [2021-03-24 10:48:30,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:48:30,579 INFO L129 PetriNetUnfolder]: 49/145 cut-off events. [2021-03-24 10:48:30,579 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:48:30,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 241 conditions, 145 events. 49/145 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 591 event pairs, 38 based on Foata normal form. 17/155 useless extension candidates. Maximal degree in co-relation 220. Up to 65 conditions per place. [2021-03-24 10:48:30,581 INFO L132 encePairwiseOnDemand]: 171/175 looper letters, 9 selfloop transitions, 2 changer transitions 0/44 dead transitions. [2021-03-24 10:48:30,582 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 44 transitions, 119 flow [2021-03-24 10:48:30,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 10:48:30,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 10:48:30,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 479 transitions. [2021-03-24 10:48:30,594 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9123809523809524 [2021-03-24 10:48:30,595 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 479 transitions. [2021-03-24 10:48:30,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 479 transitions. [2021-03-24 10:48:30,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:48:30,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 479 transitions. [2021-03-24 10:48:30,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 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 10:48:30,608 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 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 10:48:30,608 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 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 10:48:30,610 INFO L185 Difference]: Start difference. First operand has 52 places, 43 transitions, 95 flow. Second operand 3 states and 479 transitions. [2021-03-24 10:48:30,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 44 transitions, 119 flow [2021-03-24 10:48:30,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 44 transitions, 116 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-24 10:48:30,614 INFO L241 Difference]: Finished difference. Result has 49 places, 40 transitions, 90 flow [2021-03-24 10:48:30,615 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=49, PETRI_TRANSITIONS=40} [2021-03-24 10:48:30,616 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, -3 predicate places. [2021-03-24 10:48:30,616 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 40 transitions, 90 flow [2021-03-24 10:48:30,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 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 10:48:30,616 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:48:30,616 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 10:48:30,617 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 10:48:30,617 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:48:30,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:48:30,617 INFO L82 PathProgramCache]: Analyzing trace with hash 579587855, now seen corresponding path program 1 times [2021-03-24 10:48:30,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:48:30,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171525579] [2021-03-24 10:48:30,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:48:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:48:30,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:30,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:48:30,732 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-24 10:48:30,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 10:48:30,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:30,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 10:48:30,762 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 10:48:30,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171525579] [2021-03-24 10:48:30,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:48:30,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 10:48:30,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669698744] [2021-03-24 10:48:30,764 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 10:48:30,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:48:30,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 10:48:30,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 10:48:30,766 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 175 [2021-03-24 10:48:30,767 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 90 flow. Second operand has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 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 10:48:30,767 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:48:30,767 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 175 [2021-03-24 10:48:30,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:48:30,897 INFO L129 PetriNetUnfolder]: 138/379 cut-off events. [2021-03-24 10:48:30,897 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 10:48:30,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 634 conditions, 379 events. 138/379 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2296 event pairs, 78 based on Foata normal form. 18/372 useless extension candidates. Maximal degree in co-relation 613. Up to 176 conditions per place. [2021-03-24 10:48:30,902 INFO L132 encePairwiseOnDemand]: 168/175 looper letters, 8 selfloop transitions, 4 changer transitions 14/53 dead transitions. [2021-03-24 10:48:30,902 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 53 transitions, 162 flow [2021-03-24 10:48:30,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 10:48:30,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 10:48:30,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 735 transitions. [2021-03-24 10:48:30,907 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.84 [2021-03-24 10:48:30,907 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 735 transitions. [2021-03-24 10:48:30,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 735 transitions. [2021-03-24 10:48:30,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:48:30,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 735 transitions. [2021-03-24 10:48:30,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 147.0) internal successors, (735), 5 states have internal predecessors, (735), 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 10:48:30,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 175.0) internal successors, (1050), 6 states have internal predecessors, (1050), 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 10:48:30,913 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 175.0) internal successors, (1050), 6 states have internal predecessors, (1050), 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 10:48:30,914 INFO L185 Difference]: Start difference. First operand has 49 places, 40 transitions, 90 flow. Second operand 5 states and 735 transitions. [2021-03-24 10:48:30,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 53 transitions, 162 flow [2021-03-24 10:48:30,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 53 transitions, 158 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 10:48:30,916 INFO L241 Difference]: Finished difference. Result has 54 places, 39 transitions, 114 flow [2021-03-24 10:48:30,916 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=114, PETRI_PLACES=54, PETRI_TRANSITIONS=39} [2021-03-24 10:48:30,917 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 2 predicate places. [2021-03-24 10:48:30,917 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 39 transitions, 114 flow [2021-03-24 10:48:30,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 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 10:48:30,917 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:48:30,918 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 10:48:30,919 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 10:48:30,919 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:48:30,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:48:30,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1019935601, now seen corresponding path program 1 times [2021-03-24 10:48:30,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:48:30,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170520358] [2021-03-24 10:48:30,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:48:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:48:30,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:30,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:48:30,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:30,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:48:30,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:30,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:48:31,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:31,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 10:48:31,013 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-24 10:48:31,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-24 10:48:31,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:31,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 10:48:31,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:31,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 10:48:31,049 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 10:48:31,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170520358] [2021-03-24 10:48:31,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:48:31,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 10:48:31,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284147724] [2021-03-24 10:48:31,050 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 10:48:31,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:48:31,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 10:48:31,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-03-24 10:48:31,052 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 175 [2021-03-24 10:48:31,054 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 39 transitions, 114 flow. Second operand has 8 states, 8 states have (on average 130.125) internal successors, (1041), 8 states have internal predecessors, (1041), 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 10:48:31,054 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:48:31,054 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 175 [2021-03-24 10:48:31,054 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:48:31,340 INFO L129 PetriNetUnfolder]: 539/899 cut-off events. [2021-03-24 10:48:31,340 INFO L130 PetriNetUnfolder]: For 535/560 co-relation queries the response was YES. [2021-03-24 10:48:31,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2300 conditions, 899 events. 539/899 cut-off events. For 535/560 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4235 event pairs, 151 based on Foata normal form. 61/951 useless extension candidates. Maximal degree in co-relation 2274. Up to 602 conditions per place. [2021-03-24 10:48:31,347 INFO L132 encePairwiseOnDemand]: 166/175 looper letters, 25 selfloop transitions, 10 changer transitions 23/78 dead transitions. [2021-03-24 10:48:31,347 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 78 transitions, 370 flow [2021-03-24 10:48:31,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 10:48:31,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 10:48:31,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1088 transitions. [2021-03-24 10:48:31,350 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7771428571428571 [2021-03-24 10:48:31,351 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1088 transitions. [2021-03-24 10:48:31,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1088 transitions. [2021-03-24 10:48:31,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:48:31,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1088 transitions. [2021-03-24 10:48:31,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 136.0) internal successors, (1088), 8 states have internal predecessors, (1088), 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 10:48:31,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 175.0) internal successors, (1575), 9 states have internal predecessors, (1575), 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 10:48:31,357 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 175.0) internal successors, (1575), 9 states have internal predecessors, (1575), 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 10:48:31,357 INFO L185 Difference]: Start difference. First operand has 54 places, 39 transitions, 114 flow. Second operand 8 states and 1088 transitions. [2021-03-24 10:48:31,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 78 transitions, 370 flow [2021-03-24 10:48:31,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 78 transitions, 362 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-24 10:48:31,363 INFO L241 Difference]: Finished difference. Result has 58 places, 45 transitions, 185 flow [2021-03-24 10:48:31,363 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=185, PETRI_PLACES=58, PETRI_TRANSITIONS=45} [2021-03-24 10:48:31,365 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 6 predicate places. [2021-03-24 10:48:31,366 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 45 transitions, 185 flow [2021-03-24 10:48:31,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.125) internal successors, (1041), 8 states have internal predecessors, (1041), 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 10:48:31,367 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:48:31,367 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 10:48:31,367 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 10:48:31,367 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:48:31,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:48:31,368 INFO L82 PathProgramCache]: Analyzing trace with hash 269302863, now seen corresponding path program 1 times [2021-03-24 10:48:31,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:48:31,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784636671] [2021-03-24 10:48:31,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:48:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:48:31,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:31,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:48:31,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:31,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:48:31,469 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-24 10:48:31,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 10:48:31,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:31,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 10:48:31,489 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 10:48:31,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784636671] [2021-03-24 10:48:31,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:48:31,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 10:48:31,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229606107] [2021-03-24 10:48:31,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:48:31,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:48:31,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:48:31,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:48:31,493 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 175 [2021-03-24 10:48:31,494 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 45 transitions, 185 flow. Second operand has 5 states, 5 states have (on average 143.0) internal successors, (715), 5 states have internal predecessors, (715), 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 10:48:31,494 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:48:31,494 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 175 [2021-03-24 10:48:31,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:48:31,587 INFO L129 PetriNetUnfolder]: 150/338 cut-off events. [2021-03-24 10:48:31,588 INFO L130 PetriNetUnfolder]: For 771/886 co-relation queries the response was YES. [2021-03-24 10:48:31,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1140 conditions, 338 events. 150/338 cut-off events. For 771/886 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1572 event pairs, 32 based on Foata normal form. 34/362 useless extension candidates. Maximal degree in co-relation 1110. Up to 148 conditions per place. [2021-03-24 10:48:31,592 INFO L132 encePairwiseOnDemand]: 171/175 looper letters, 16 selfloop transitions, 3 changer transitions 7/56 dead transitions. [2021-03-24 10:48:31,592 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 56 transitions, 299 flow [2021-03-24 10:48:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 10:48:31,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 10:48:31,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 731 transitions. [2021-03-24 10:48:31,595 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8354285714285714 [2021-03-24 10:48:31,595 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 731 transitions. [2021-03-24 10:48:31,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 731 transitions. [2021-03-24 10:48:31,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:48:31,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 731 transitions. [2021-03-24 10:48:31,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 146.2) internal successors, (731), 5 states have internal predecessors, (731), 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 10:48:31,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 175.0) internal successors, (1050), 6 states have internal predecessors, (1050), 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 10:48:31,599 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 175.0) internal successors, (1050), 6 states have internal predecessors, (1050), 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 10:48:31,599 INFO L185 Difference]: Start difference. First operand has 58 places, 45 transitions, 185 flow. Second operand 5 states and 731 transitions. [2021-03-24 10:48:31,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 56 transitions, 299 flow [2021-03-24 10:48:31,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 56 transitions, 288 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-24 10:48:31,605 INFO L241 Difference]: Finished difference. Result has 59 places, 45 transitions, 191 flow [2021-03-24 10:48:31,605 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=191, PETRI_PLACES=59, PETRI_TRANSITIONS=45} [2021-03-24 10:48:31,605 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 7 predicate places. [2021-03-24 10:48:31,605 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 45 transitions, 191 flow [2021-03-24 10:48:31,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 143.0) internal successors, (715), 5 states have internal predecessors, (715), 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 10:48:31,606 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:48:31,606 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] [2021-03-24 10:48:31,606 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 10:48:31,606 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:48:31,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:48:31,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1072120876, now seen corresponding path program 1 times [2021-03-24 10:48:31,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:48:31,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453546874] [2021-03-24 10:48:31,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:48:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:48:31,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:31,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:48:31,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:31,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:48:31,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:31,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:48:31,683 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 10:48:31,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 10:48:31,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:31,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:48:31,691 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 10:48:31,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453546874] [2021-03-24 10:48:31,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:48:31,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 10:48:31,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892254089] [2021-03-24 10:48:31,692 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:48:31,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:48:31,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:48:31,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:48:31,694 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 175 [2021-03-24 10:48:31,694 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 45 transitions, 191 flow. Second operand has 5 states, 5 states have (on average 147.8) internal successors, (739), 5 states have internal predecessors, (739), 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 10:48:31,694 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:48:31,694 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 175 [2021-03-24 10:48:31,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:48:31,820 INFO L129 PetriNetUnfolder]: 186/443 cut-off events. [2021-03-24 10:48:31,820 INFO L130 PetriNetUnfolder]: For 522/547 co-relation queries the response was YES. [2021-03-24 10:48:31,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1168 conditions, 443 events. 186/443 cut-off events. For 522/547 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 2565 event pairs, 56 based on Foata normal form. 25/442 useless extension candidates. Maximal degree in co-relation 1137. Up to 168 conditions per place. [2021-03-24 10:48:31,824 INFO L132 encePairwiseOnDemand]: 168/175 looper letters, 12 selfloop transitions, 13 changer transitions 0/63 dead transitions. [2021-03-24 10:48:31,824 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 63 transitions, 277 flow [2021-03-24 10:48:31,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:48:31,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:48:31,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1056 transitions. [2021-03-24 10:48:31,827 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8620408163265306 [2021-03-24 10:48:31,828 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1056 transitions. [2021-03-24 10:48:31,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1056 transitions. [2021-03-24 10:48:31,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:48:31,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1056 transitions. [2021-03-24 10:48:31,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 150.85714285714286) internal successors, (1056), 7 states have internal predecessors, (1056), 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 10:48:31,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 175.0) internal successors, (1400), 8 states have internal predecessors, (1400), 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 10:48:31,832 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 175.0) internal successors, (1400), 8 states have internal predecessors, (1400), 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 10:48:31,832 INFO L185 Difference]: Start difference. First operand has 59 places, 45 transitions, 191 flow. Second operand 7 states and 1056 transitions. [2021-03-24 10:48:31,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 63 transitions, 277 flow [2021-03-24 10:48:31,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 63 transitions, 267 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-24 10:48:31,836 INFO L241 Difference]: Finished difference. Result has 63 places, 57 transitions, 275 flow [2021-03-24 10:48:31,836 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=275, PETRI_PLACES=63, PETRI_TRANSITIONS=57} [2021-03-24 10:48:31,836 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 11 predicate places. [2021-03-24 10:48:31,836 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 57 transitions, 275 flow [2021-03-24 10:48:31,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 147.8) internal successors, (739), 5 states have internal predecessors, (739), 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 10:48:31,837 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:48:31,837 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] [2021-03-24 10:48:31,837 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 10:48:31,837 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:48:31,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:48:31,837 INFO L82 PathProgramCache]: Analyzing trace with hash -793913125, now seen corresponding path program 1 times [2021-03-24 10:48:31,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:48:31,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940866499] [2021-03-24 10:48:31,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:48:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:48:31,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:31,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:48:31,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:31,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:48:31,916 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-24 10:48:31,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 10:48:31,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:31,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 10:48:31,937 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 10:48:31,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940866499] [2021-03-24 10:48:31,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:48:31,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 10:48:31,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590997425] [2021-03-24 10:48:31,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 10:48:31,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:48:31,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 10:48:31,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 10:48:31,940 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 175 [2021-03-24 10:48:31,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 57 transitions, 275 flow. Second operand has 5 states, 5 states have (on average 137.8) internal successors, (689), 5 states have internal predecessors, (689), 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 10:48:31,941 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:48:31,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 175 [2021-03-24 10:48:31,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:48:32,111 INFO L129 PetriNetUnfolder]: 311/851 cut-off events. [2021-03-24 10:48:32,112 INFO L130 PetriNetUnfolder]: For 1877/2172 co-relation queries the response was YES. [2021-03-24 10:48:32,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2937 conditions, 851 events. 311/851 cut-off events. For 1877/2172 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 6378 event pairs, 87 based on Foata normal form. 69/863 useless extension candidates. Maximal degree in co-relation 2902. Up to 300 conditions per place. [2021-03-24 10:48:32,120 INFO L132 encePairwiseOnDemand]: 166/175 looper letters, 17 selfloop transitions, 17 changer transitions 0/74 dead transitions. [2021-03-24 10:48:32,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 74 transitions, 446 flow [2021-03-24 10:48:32,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:48:32,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:48:32,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 981 transitions. [2021-03-24 10:48:32,123 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8008163265306123 [2021-03-24 10:48:32,123 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 981 transitions. [2021-03-24 10:48:32,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 981 transitions. [2021-03-24 10:48:32,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:48:32,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 981 transitions. [2021-03-24 10:48:32,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 140.14285714285714) internal successors, (981), 7 states have internal predecessors, (981), 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 10:48:32,128 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 175.0) internal successors, (1400), 8 states have internal predecessors, (1400), 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 10:48:32,128 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 175.0) internal successors, (1400), 8 states have internal predecessors, (1400), 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 10:48:32,128 INFO L185 Difference]: Start difference. First operand has 63 places, 57 transitions, 275 flow. Second operand 7 states and 981 transitions. [2021-03-24 10:48:32,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 74 transitions, 446 flow [2021-03-24 10:48:32,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 74 transitions, 446 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-24 10:48:32,137 INFO L241 Difference]: Finished difference. Result has 73 places, 68 transitions, 412 flow [2021-03-24 10:48:32,137 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=275, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=412, PETRI_PLACES=73, PETRI_TRANSITIONS=68} [2021-03-24 10:48:32,137 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 21 predicate places. [2021-03-24 10:48:32,137 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 68 transitions, 412 flow [2021-03-24 10:48:32,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 137.8) internal successors, (689), 5 states have internal predecessors, (689), 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 10:48:32,138 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:48:32,138 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] [2021-03-24 10:48:32,138 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 10:48:32,138 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:48:32,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:48:32,145 INFO L82 PathProgramCache]: Analyzing trace with hash -604430475, now seen corresponding path program 2 times [2021-03-24 10:48:32,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:48:32,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529189101] [2021-03-24 10:48:32,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:48:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:48:32,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:32,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:48:32,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:32,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:48:32,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:32,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:48:32,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:32,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:48:32,217 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 10:48:32,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 10:48:32,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:32,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:48:32,225 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 10:48:32,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529189101] [2021-03-24 10:48:32,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:48:32,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 10:48:32,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667483677] [2021-03-24 10:48:32,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 10:48:32,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:48:32,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 10:48:32,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-24 10:48:32,230 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 175 [2021-03-24 10:48:32,231 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 68 transitions, 412 flow. Second operand has 6 states, 6 states have (on average 147.83333333333334) internal successors, (887), 6 states have internal predecessors, (887), 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 10:48:32,231 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:48:32,231 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 175 [2021-03-24 10:48:32,231 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:48:32,431 INFO L129 PetriNetUnfolder]: 236/646 cut-off events. [2021-03-24 10:48:32,431 INFO L130 PetriNetUnfolder]: For 1805/3004 co-relation queries the response was YES. [2021-03-24 10:48:32,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2601 conditions, 646 events. 236/646 cut-off events. For 1805/3004 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 4493 event pairs, 15 based on Foata normal form. 383/991 useless extension candidates. Maximal degree in co-relation 2562. Up to 277 conditions per place. [2021-03-24 10:48:32,437 INFO L132 encePairwiseOnDemand]: 168/175 looper letters, 6 selfloop transitions, 26 changer transitions 9/87 dead transitions. [2021-03-24 10:48:32,437 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 87 transitions, 625 flow [2021-03-24 10:48:32,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 10:48:32,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 10:48:32,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1508 transitions. [2021-03-24 10:48:32,441 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8617142857142858 [2021-03-24 10:48:32,441 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1508 transitions. [2021-03-24 10:48:32,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1508 transitions. [2021-03-24 10:48:32,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:48:32,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1508 transitions. [2021-03-24 10:48:32,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 150.8) internal successors, (1508), 10 states have internal predecessors, (1508), 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 10:48:32,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 175.0) internal successors, (1925), 11 states have internal predecessors, (1925), 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 10:48:32,449 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 175.0) internal successors, (1925), 11 states have internal predecessors, (1925), 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 10:48:32,449 INFO L185 Difference]: Start difference. First operand has 73 places, 68 transitions, 412 flow. Second operand 10 states and 1508 transitions. [2021-03-24 10:48:32,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 87 transitions, 625 flow [2021-03-24 10:48:32,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 87 transitions, 621 flow, removed 2 selfloop flow, removed 0 redundant places. [2021-03-24 10:48:32,457 INFO L241 Difference]: Finished difference. Result has 85 places, 78 transitions, 553 flow [2021-03-24 10:48:32,457 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=408, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=553, PETRI_PLACES=85, PETRI_TRANSITIONS=78} [2021-03-24 10:48:32,457 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 33 predicate places. [2021-03-24 10:48:32,457 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 78 transitions, 553 flow [2021-03-24 10:48:32,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 147.83333333333334) internal successors, (887), 6 states have internal predecessors, (887), 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 10:48:32,458 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:48:32,458 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] [2021-03-24 10:48:32,458 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 10:48:32,458 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:48:32,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:48:32,458 INFO L82 PathProgramCache]: Analyzing trace with hash -371029746, now seen corresponding path program 1 times [2021-03-24 10:48:32,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:48:32,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544771991] [2021-03-24 10:48:32,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:48:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:48:32,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:32,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:48:32,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:32,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:48:32,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:32,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:48:32,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:32,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:48:32,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:32,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:48:32,578 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 10:48:32,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 10:48:32,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:32,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:48:32,589 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 10:48:32,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544771991] [2021-03-24 10:48:32,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:48:32,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 10:48:32,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125228878] [2021-03-24 10:48:32,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 10:48:32,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:48:32,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 10:48:32,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 10:48:32,591 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 175 [2021-03-24 10:48:32,592 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 78 transitions, 553 flow. Second operand has 7 states, 7 states have (on average 147.85714285714286) internal successors, (1035), 7 states have internal predecessors, (1035), 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 10:48:32,592 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:48:32,592 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 175 [2021-03-24 10:48:32,592 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:48:32,796 INFO L129 PetriNetUnfolder]: 192/549 cut-off events. [2021-03-24 10:48:32,797 INFO L130 PetriNetUnfolder]: For 2854/5600 co-relation queries the response was YES. [2021-03-24 10:48:32,801 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2653 conditions, 549 events. 192/549 cut-off events. For 2854/5600 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 3857 event pairs, 2 based on Foata normal form. 444/960 useless extension candidates. Maximal degree in co-relation 2624. Up to 242 conditions per place. [2021-03-24 10:48:32,804 INFO L132 encePairwiseOnDemand]: 168/175 looper letters, 3 selfloop transitions, 31 changer transitions 7/87 dead transitions. [2021-03-24 10:48:32,804 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 87 transitions, 713 flow [2021-03-24 10:48:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-24 10:48:32,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-24 10:48:32,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1951 transitions. [2021-03-24 10:48:32,809 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8575824175824176 [2021-03-24 10:48:32,809 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1951 transitions. [2021-03-24 10:48:32,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1951 transitions. [2021-03-24 10:48:32,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:48:32,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1951 transitions. [2021-03-24 10:48:32,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 150.07692307692307) internal successors, (1951), 13 states have internal predecessors, (1951), 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 10:48:32,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 175.0) internal successors, (2450), 14 states have internal predecessors, (2450), 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 10:48:32,818 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 175.0) internal successors, (2450), 14 states have internal predecessors, (2450), 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 10:48:32,818 INFO L185 Difference]: Start difference. First operand has 85 places, 78 transitions, 553 flow. Second operand 13 states and 1951 transitions. [2021-03-24 10:48:32,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 87 transitions, 713 flow [2021-03-24 10:48:32,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 87 transitions, 586 flow, removed 52 selfloop flow, removed 7 redundant places. [2021-03-24 10:48:32,836 INFO L241 Difference]: Finished difference. Result has 93 places, 80 transitions, 544 flow [2021-03-24 10:48:32,836 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=544, PETRI_PLACES=93, PETRI_TRANSITIONS=80} [2021-03-24 10:48:32,837 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 41 predicate places. [2021-03-24 10:48:32,837 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 80 transitions, 544 flow [2021-03-24 10:48:32,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 147.85714285714286) internal successors, (1035), 7 states have internal predecessors, (1035), 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 10:48:32,837 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:48:32,837 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] [2021-03-24 10:48:32,838 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-24 10:48:32,838 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:48:32,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:48:32,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1844453321, now seen corresponding path program 1 times [2021-03-24 10:48:32,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:48:32,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51472212] [2021-03-24 10:48:32,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:48:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:48:32,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:32,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:48:32,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:32,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:48:32,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:32,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 10:48:32,996 INFO L142 QuantifierPusher]: treesize reduction 8, result has 84.6 percent of original size [2021-03-24 10:48:32,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 10:48:33,026 INFO L142 QuantifierPusher]: treesize reduction 19, result has 47.2 percent of original size [2021-03-24 10:48:33,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 10:48:33,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:33,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 10:48:33,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:33,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 10:48:33,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:33,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 10:48:33,068 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 10:48:33,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51472212] [2021-03-24 10:48:33,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:48:33,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 10:48:33,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747204512] [2021-03-24 10:48:33,070 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 10:48:33,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:48:33,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 10:48:33,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-24 10:48:33,072 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 175 [2021-03-24 10:48:33,073 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 80 transitions, 544 flow. Second operand has 9 states, 9 states have (on average 131.66666666666666) internal successors, (1185), 9 states have internal predecessors, (1185), 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 10:48:33,073 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:48:33,073 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 175 [2021-03-24 10:48:33,073 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:48:33,372 INFO L129 PetriNetUnfolder]: 299/840 cut-off events. [2021-03-24 10:48:33,372 INFO L130 PetriNetUnfolder]: For 3249/3428 co-relation queries the response was YES. [2021-03-24 10:48:33,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3388 conditions, 840 events. 299/840 cut-off events. For 3249/3428 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 6404 event pairs, 12 based on Foata normal form. 63/864 useless extension candidates. Maximal degree in co-relation 3336. Up to 169 conditions per place. [2021-03-24 10:48:33,380 INFO L132 encePairwiseOnDemand]: 167/175 looper letters, 19 selfloop transitions, 7 changer transitions 6/92 dead transitions. [2021-03-24 10:48:33,380 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 92 transitions, 690 flow [2021-03-24 10:48:33,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 10:48:33,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 10:48:33,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1196 transitions. [2021-03-24 10:48:33,384 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7593650793650794 [2021-03-24 10:48:33,384 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1196 transitions. [2021-03-24 10:48:33,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1196 transitions. [2021-03-24 10:48:33,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:48:33,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1196 transitions. [2021-03-24 10:48:33,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 132.88888888888889) internal successors, (1196), 9 states have internal predecessors, (1196), 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 10:48:33,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 175.0) internal successors, (1750), 10 states have internal predecessors, (1750), 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 10:48:33,390 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 175.0) internal successors, (1750), 10 states have internal predecessors, (1750), 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 10:48:33,390 INFO L185 Difference]: Start difference. First operand has 93 places, 80 transitions, 544 flow. Second operand 9 states and 1196 transitions. [2021-03-24 10:48:33,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 92 transitions, 690 flow [2021-03-24 10:48:33,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 92 transitions, 573 flow, removed 35 selfloop flow, removed 13 redundant places. [2021-03-24 10:48:33,428 INFO L241 Difference]: Finished difference. Result has 89 places, 80 transitions, 474 flow [2021-03-24 10:48:33,428 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=474, PETRI_PLACES=89, PETRI_TRANSITIONS=80} [2021-03-24 10:48:33,428 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 37 predicate places. [2021-03-24 10:48:33,429 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 80 transitions, 474 flow [2021-03-24 10:48:33,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 131.66666666666666) internal successors, (1185), 9 states have internal predecessors, (1185), 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 10:48:33,429 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:48:33,430 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] [2021-03-24 10:48:33,430 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-24 10:48:33,430 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:48:33,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:48:33,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1115417275, now seen corresponding path program 2 times [2021-03-24 10:48:33,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:48:33,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961540083] [2021-03-24 10:48:33,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:48:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 10:48:33,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:33,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 10:48:33,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:33,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:48:33,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:33,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 10:48:33,537 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-24 10:48:33,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 10:48:33,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 10:48:33,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 10:48:33,563 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 10:48:33,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961540083] [2021-03-24 10:48:33,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 10:48:33,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 10:48:33,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133736165] [2021-03-24 10:48:33,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 10:48:33,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 10:48:33,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 10:48:33,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-24 10:48:33,568 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 175 [2021-03-24 10:48:33,569 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 80 transitions, 474 flow. Second operand has 6 states, 6 states have (on average 139.83333333333334) internal successors, (839), 6 states have internal predecessors, (839), 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 10:48:33,569 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 10:48:33,569 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 175 [2021-03-24 10:48:33,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 10:48:33,745 INFO L129 PetriNetUnfolder]: 358/956 cut-off events. [2021-03-24 10:48:33,746 INFO L130 PetriNetUnfolder]: For 1507/1574 co-relation queries the response was YES. [2021-03-24 10:48:33,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3380 conditions, 956 events. 358/956 cut-off events. For 1507/1574 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 7462 event pairs, 4 based on Foata normal form. 15/913 useless extension candidates. Maximal degree in co-relation 3355. Up to 215 conditions per place. [2021-03-24 10:48:33,753 INFO L132 encePairwiseOnDemand]: 168/175 looper letters, 14 selfloop transitions, 5 changer transitions 25/98 dead transitions. [2021-03-24 10:48:33,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 98 transitions, 674 flow [2021-03-24 10:48:33,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 10:48:33,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 10:48:33,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 992 transitions. [2021-03-24 10:48:33,757 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.809795918367347 [2021-03-24 10:48:33,757 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 992 transitions. [2021-03-24 10:48:33,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 992 transitions. [2021-03-24 10:48:33,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 10:48:33,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 992 transitions. [2021-03-24 10:48:33,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 141.71428571428572) internal successors, (992), 7 states have internal predecessors, (992), 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 10:48:33,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 175.0) internal successors, (1400), 8 states have internal predecessors, (1400), 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 10:48:33,761 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 175.0) internal successors, (1400), 8 states have internal predecessors, (1400), 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 10:48:33,762 INFO L185 Difference]: Start difference. First operand has 89 places, 80 transitions, 474 flow. Second operand 7 states and 992 transitions. [2021-03-24 10:48:33,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 98 transitions, 674 flow [2021-03-24 10:48:33,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 98 transitions, 657 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-03-24 10:48:33,797 INFO L241 Difference]: Finished difference. Result has 89 places, 72 transitions, 416 flow [2021-03-24 10:48:33,798 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=459, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=416, PETRI_PLACES=89, PETRI_TRANSITIONS=72} [2021-03-24 10:48:33,798 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 37 predicate places. [2021-03-24 10:48:33,798 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 72 transitions, 416 flow [2021-03-24 10:48:33,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 139.83333333333334) internal successors, (839), 6 states have internal predecessors, (839), 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 10:48:33,798 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 10:48:33,799 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] [2021-03-24 10:48:33,799 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-24 10:48:33,799 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 10:48:33,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 10:48:33,799 INFO L82 PathProgramCache]: Analyzing trace with hash -2022525775, now seen corresponding path program 3 times [2021-03-24 10:48:33,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 10:48:33,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385614732] [2021-03-24 10:48:33,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 10:48:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 10:48:33,841 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 10:48:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 10:48:33,892 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 10:48:33,936 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-24 10:48:33,936 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-24 10:48:33,936 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-24 10:48:34,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 10:48:34 BasicIcfg [2021-03-24 10:48:34,046 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 10:48:34,047 INFO L168 Benchmark]: Toolchain (without parser) took 8683.09 ms. Allocated memory was 341.8 MB in the beginning and 566.2 MB in the end (delta: 224.4 MB). Free memory was 304.9 MB in the beginning and 355.3 MB in the end (delta: -50.4 MB). Peak memory consumption was 175.0 MB. Max. memory is 16.0 GB. [2021-03-24 10:48:34,047 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 341.8 MB. Free memory was 323.0 MB in the beginning and 322.9 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 10:48:34,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.66 ms. Allocated memory is still 341.8 MB. Free memory was 304.7 MB in the beginning and 300.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. [2021-03-24 10:48:34,048 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.79 ms. Allocated memory is still 341.8 MB. Free memory was 300.8 MB in the beginning and 297.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 10:48:34,048 INFO L168 Benchmark]: Boogie Preprocessor took 33.10 ms. Allocated memory is still 341.8 MB. Free memory was 296.6 MB in the beginning and 294.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 10:48:34,048 INFO L168 Benchmark]: RCFGBuilder took 1821.53 ms. Allocated memory is still 341.8 MB. Free memory was 294.5 MB in the beginning and 237.6 MB in the end (delta: 56.8 MB). Peak memory consumption was 146.0 MB. Max. memory is 16.0 GB. [2021-03-24 10:48:34,049 INFO L168 Benchmark]: TraceAbstraction took 6267.22 ms. Allocated memory was 341.8 MB in the beginning and 566.2 MB in the end (delta: 224.4 MB). Free memory was 237.6 MB in the beginning and 355.3 MB in the end (delta: -117.7 MB). Peak memory consumption was 107.7 MB. Max. memory is 16.0 GB. [2021-03-24 10:48:34,050 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 341.8 MB. Free memory was 323.0 MB in the beginning and 322.9 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 513.66 ms. Allocated memory is still 341.8 MB. Free memory was 304.7 MB in the beginning and 300.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 42.79 ms. Allocated memory is still 341.8 MB. Free memory was 300.8 MB in the beginning and 297.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 33.10 ms. Allocated memory is still 341.8 MB. Free memory was 296.6 MB in the beginning and 294.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1821.53 ms. Allocated memory is still 341.8 MB. Free memory was 294.5 MB in the beginning and 237.6 MB in the end (delta: 56.8 MB). Peak memory consumption was 146.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 6267.22 ms. Allocated memory was 341.8 MB in the beginning and 566.2 MB in the end (delta: 224.4 MB). Free memory was 237.6 MB in the beginning and 355.3 MB in the end (delta: -117.7 MB). Peak memory consumption was 107.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2354.2ms, 112 PlacesBefore, 52 PlacesAfterwards, 104 TransitionsBefore, 43 TransitionsAfterwards, 2054 CoEnabledTransitionPairs, 4 FixpointIterations, 30 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 68 TotalNumberOfCompositions, 3242 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1700, positive: 1621, positive conditional: 0, positive unconditional: 1621, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 942, positive: 921, positive conditional: 0, positive unconditional: 921, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 942, positive: 921, positive conditional: 0, positive unconditional: 921, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1700, positive: 700, positive conditional: 0, positive unconditional: 700, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 942, unknown conditional: 0, unknown unconditional: 942] , Statistics on independence cache: Total cache size (in pairs): 117, Positive cache size: 104, Positive conditional cache size: 0, Positive unconditional cache size: 104, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L713] 0 int __unbuffered_p1_EAX = 0; [L715] 0 int __unbuffered_p1_EBX = 0; [L717] 0 int __unbuffered_p2_EAX = 0; [L719] 0 int __unbuffered_p2_EBX = 0; [L721] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0] [L723] 0 int b = 0; [L724] 0 _Bool b$flush_delayed; [L725] 0 int b$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0] [L726] 0 _Bool b$r_buff0_thd0; [L727] 0 _Bool b$r_buff0_thd1; [L728] 0 _Bool b$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0] [L729] 0 _Bool b$r_buff0_thd3; [L730] 0 _Bool b$r_buff1_thd0; [L731] 0 _Bool b$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0] [L732] 0 _Bool b$r_buff1_thd2; [L733] 0 _Bool b$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0] [L734] 0 _Bool b$read_delayed; [L735] 0 int *b$read_delayed_var; [L736] 0 int b$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0] [L737] 0 _Bool b$w_buff0_used; [L738] 0 int b$w_buff1; [L739] 0 _Bool b$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0] [L740] 0 _Bool main$tmp_guard0; [L741] 0 _Bool main$tmp_guard1; [L743] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L745] 0 int y = 0; [L747] 0 int z = 0; [L748] 0 _Bool weak$$choice0; [L749] 0 _Bool weak$$choice2; [L855] 0 pthread_t t867; [L856] FCALL, FORK 0 pthread_create(&t867, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L753] 1 b$w_buff1 = b$w_buff0 [L754] 1 b$w_buff0 = 1 [L755] 1 b$w_buff1_used = b$w_buff0_used [L756] 1 b$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L758] 1 b$r_buff1_thd0 = b$r_buff0_thd0 [L759] 1 b$r_buff1_thd1 = b$r_buff0_thd1 [L760] 1 b$r_buff1_thd2 = b$r_buff0_thd2 [L761] 1 b$r_buff1_thd3 = b$r_buff0_thd3 [L762] 1 b$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L765] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L857] 0 pthread_t t868; [L858] FCALL, FORK 0 pthread_create(&t868, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L859] 0 pthread_t t869; [L860] FCALL, FORK 0 pthread_create(&t869, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L782] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L785] 2 y = 1 [L788] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L791] 2 __unbuffered_p1_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L808] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L811] 3 a = 1 [L814] 3 __unbuffered_p2_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L817] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L818] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L819] 3 b$flush_delayed = weak$$choice2 [L820] 3 b$mem_tmp = b [L821] EXPR 3 !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : b$w_buff1) [L821] 3 b = !b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : b$w_buff1) [L822] EXPR 3 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : b$w_buff0)) [L822] 3 b$w_buff0 = weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : b$w_buff0)) [L823] EXPR 3 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff1 : b$w_buff1)) [L823] 3 b$w_buff1 = weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff1 : b$w_buff1)) [L824] EXPR 3 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used)) [L824] 3 b$w_buff0_used = weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used)) [L825] EXPR 3 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L825] 3 b$w_buff1_used = weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L826] EXPR 3 weak$$choice2 ? b$r_buff0_thd3 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff0_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3)) [L826] 3 b$r_buff0_thd3 = weak$$choice2 ? b$r_buff0_thd3 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff0_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3)) [L827] EXPR 3 weak$$choice2 ? b$r_buff1_thd3 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff1_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L827] 3 b$r_buff1_thd3 = weak$$choice2 ? b$r_buff1_thd3 : (!b$w_buff0_used || !b$r_buff0_thd3 && !b$w_buff1_used || !b$r_buff0_thd3 && !b$r_buff1_thd3 ? b$r_buff1_thd3 : (b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L828] 3 __unbuffered_p2_EBX = b [L829] EXPR 3 b$flush_delayed ? b$mem_tmp : b [L829] 3 b = b$flush_delayed ? b$mem_tmp : b [L830] 3 b$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, z=1] [L768] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L768] 1 b = b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L769] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L769] 1 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L770] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L770] 1 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L771] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L771] 1 b$r_buff0_thd1 = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L772] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L772] 1 b$r_buff1_thd1 = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L775] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 1 return 0; [L794] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L794] EXPR 2 b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b [L794] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L794] 2 b = b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L795] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L795] 2 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L796] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L796] 2 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L797] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L797] 2 b$r_buff0_thd2 = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L798] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L798] 2 b$r_buff1_thd2 = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L801] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L803] 2 return 0; [L833] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L833] EXPR 3 b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b [L833] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L833] 3 b = b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L834] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L834] 3 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L835] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L835] 3 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L836] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L836] 3 b$r_buff0_thd3 = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L837] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L837] 3 b$r_buff1_thd3 = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L840] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L842] 3 return 0; [L862] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L866] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L866] EXPR 0 b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b [L866] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L866] 0 b = b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L867] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L867] 0 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L868] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L868] 0 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L869] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L869] 0 b$r_buff0_thd0 = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L870] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L870] 0 b$r_buff1_thd0 = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L873] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 106 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 6052.1ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2094.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2419.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 108 SDtfs, 139 SDslu, 176 SDs, 0 SdLazy, 375 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 381.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 529.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=553occurred in iteration=7, InterpolantAutomatonStates: 74, 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: 41.6ms SsaConstructionTime, 418.8ms SatisfiabilityAnalysisTime, 774.0ms InterpolantComputationTime, 308 NumberOfCodeBlocks, 308 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 1887 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...