/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix031_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-10 20:52:31,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-10 20:52:31,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-10 20:52:31,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-10 20:52:31,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-10 20:52:31,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-10 20:52:31,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-10 20:52:31,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-10 20:52:31,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-10 20:52:31,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-10 20:52:31,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-10 20:52:31,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-10 20:52:31,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-10 20:52:31,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-10 20:52:31,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-10 20:52:31,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-10 20:52:31,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-10 20:52:31,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-10 20:52:31,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-10 20:52:31,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-10 20:52:31,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-10 20:52:31,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-10 20:52:31,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-10 20:52:31,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-10 20:52:31,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-10 20:52:31,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-10 20:52:31,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-10 20:52:31,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-10 20:52:31,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-10 20:52:31,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-10 20:52:31,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-10 20:52:31,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-10 20:52:31,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-10 20:52:31,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-10 20:52:31,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-10 20:52:31,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-10 20:52:31,113 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-SemanticLbe.epf [2021-06-10 20:52:31,138 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-10 20:52:31,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-10 20:52:31,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-10 20:52:31,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-10 20:52:31,140 INFO L138 SettingsManager]: * Use SBE=true [2021-06-10 20:52:31,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-10 20:52:31,140 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-10 20:52:31,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-10 20:52:31,140 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-10 20:52:31,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-10 20:52:31,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-10 20:52:31,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-10 20:52:31,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-10 20:52:31,141 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-10 20:52:31,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-10 20:52:31,141 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-10 20:52:31,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-10 20:52:31,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-10 20:52:31,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-10 20:52:31,142 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-10 20:52:31,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-10 20:52:31,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-10 20:52:31,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-10 20:52:31,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-10 20:52:31,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-10 20:52:31,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-10 20:52:31,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-10 20:52:31,142 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-10 20:52:31,143 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-10 20:52:31,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-10 20:52:31,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-10 20:52:31,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-10 20:52:31,349 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-10 20:52:31,350 INFO L275 PluginConnector]: CDTParser initialized [2021-06-10 20:52:31,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix031_pso.oepc.i [2021-06-10 20:52:31,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ec4ef953/d447ed0cf62c4d8db5e073e84cb21349/FLAG917cd44c9 [2021-06-10 20:52:31,800 INFO L306 CDTParser]: Found 1 translation units. [2021-06-10 20:52:31,800 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix031_pso.oepc.i [2021-06-10 20:52:31,820 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ec4ef953/d447ed0cf62c4d8db5e073e84cb21349/FLAG917cd44c9 [2021-06-10 20:52:32,176 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ec4ef953/d447ed0cf62c4d8db5e073e84cb21349 [2021-06-10 20:52:32,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-10 20:52:32,179 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-10 20:52:32,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-10 20:52:32,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-10 20:52:32,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-10 20:52:32,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 08:52:32" (1/1) ... [2021-06-10 20:52:32,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d88e618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:52:32, skipping insertion in model container [2021-06-10 20:52:32,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 08:52:32" (1/1) ... [2021-06-10 20:52:32,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-10 20:52:32,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-10 20:52:32,315 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/mix031_pso.oepc.i[949,962] [2021-06-10 20:52:32,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 20:52:32,461 INFO L203 MainTranslator]: Completed pre-run [2021-06-10 20:52:32,468 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/mix031_pso.oepc.i[949,962] [2021-06-10 20:52:32,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 20:52:32,534 INFO L208 MainTranslator]: Completed translation [2021-06-10 20:52:32,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:52:32 WrapperNode [2021-06-10 20:52:32,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-10 20:52:32,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-10 20:52:32,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-10 20:52:32,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-10 20:52:32,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:52:32" (1/1) ... [2021-06-10 20:52:32,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:52:32" (1/1) ... [2021-06-10 20:52:32,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-10 20:52:32,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-10 20:52:32,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-10 20:52:32,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-10 20:52:32,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:52:32" (1/1) ... [2021-06-10 20:52:32,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:52:32" (1/1) ... [2021-06-10 20:52:32,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:52:32" (1/1) ... [2021-06-10 20:52:32,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:52:32" (1/1) ... [2021-06-10 20:52:32,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:52:32" (1/1) ... [2021-06-10 20:52:32,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:52:32" (1/1) ... [2021-06-10 20:52:32,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:52:32" (1/1) ... [2021-06-10 20:52:32,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-10 20:52:32,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-10 20:52:32,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-10 20:52:32,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-10 20:52:32,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:52:32" (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 [2021-06-10 20:52:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-10 20:52:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-10 20:52:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-10 20:52:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-10 20:52:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-10 20:52:32,650 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-10 20:52:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-10 20:52:32,651 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-10 20:52:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-10 20:52:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-10 20:52:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-10 20:52:32,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-10 20:52:32,652 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-10 20:52:33,884 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-10 20:52:33,884 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-10 20:52:33,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 08:52:33 BoogieIcfgContainer [2021-06-10 20:52:33,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-10 20:52:33,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-10 20:52:33,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-10 20:52:33,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-10 20:52:33,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.06 08:52:32" (1/3) ... [2021-06-10 20:52:33,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4060c6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 08:52:33, skipping insertion in model container [2021-06-10 20:52:33,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:52:32" (2/3) ... [2021-06-10 20:52:33,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4060c6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 08:52:33, skipping insertion in model container [2021-06-10 20:52:33,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 08:52:33" (3/3) ... [2021-06-10 20:52:33,891 INFO L111 eAbstractionObserver]: Analyzing ICFG mix031_pso.oepc.i [2021-06-10 20:52:33,897 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-10 20:52:33,900 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-10 20:52:33,900 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-10 20:52:33,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,926 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,926 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,926 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,926 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,926 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,927 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,927 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,927 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,928 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,928 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,928 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,928 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,928 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,928 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,929 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,929 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,929 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,929 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,929 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,929 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,929 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,930 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,930 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,930 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,931 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,943 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,943 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,943 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,943 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,943 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,944 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,944 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,944 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,944 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,944 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,944 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,950 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,951 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,953 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,953 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,954 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,954 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,954 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,954 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,954 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,954 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,954 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,954 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,954 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,954 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:52:33,955 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-10 20:52:33,966 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-06-10 20:52:33,979 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 20:52:33,979 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 20:52:33,979 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 20:52:33,979 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 20:52:33,979 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 20:52:33,979 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 20:52:33,979 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 20:52:33,979 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 20:52:33,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 89 transitions, 188 flow [2021-06-10 20:52:34,011 INFO L129 PetriNetUnfolder]: 2/87 cut-off events. [2021-06-10 20:52:34,012 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 20:52:34,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 87 events. 2/87 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 57 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2021-06-10 20:52:34,014 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 89 transitions, 188 flow [2021-06-10 20:52:34,017 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 92 places, 87 transitions, 180 flow [2021-06-10 20:52:34,018 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-10 20:52:34,026 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 87 transitions, 180 flow [2021-06-10 20:52:34,028 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 87 transitions, 180 flow [2021-06-10 20:52:34,029 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 87 transitions, 180 flow [2021-06-10 20:52:34,041 INFO L129 PetriNetUnfolder]: 2/87 cut-off events. [2021-06-10 20:52:34,041 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 20:52:34,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 87 events. 2/87 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 59 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2021-06-10 20:52:34,043 INFO L151 LiptonReduction]: Number of co-enabled transitions 1210 [2021-06-10 20:52:34,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:34,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,273 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-10 20:52:34,273 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 20:52:34,291 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:34,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:34,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:34,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:34,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:34,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:34,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:34,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:34,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:34,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:34,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:34,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:34,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:34,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:34,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:52:34,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:52:34,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:52:34,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:34,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:34,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:34,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:34,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:52:34,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:52:34,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:52:34,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:52:34,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:52:34,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:52:34,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:34,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:35,006 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-10 20:52:35,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:35,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:35,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:35,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:35,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:35,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:35,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:35,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:35,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:35,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:35,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:35,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:35,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:35,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:35,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:35,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:35,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:35,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:35,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:35,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:35,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:35,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:35,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:35,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:35,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:35,622 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-06-10 20:52:35,952 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-06-10 20:52:36,058 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-06-10 20:52:36,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:36,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:52:36,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:36,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-10 20:52:36,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:52:36,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:36,083 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 2, 1] term [2021-06-10 20:52:36,083 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 20:52:36,085 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:36,087 INFO L147 QuantifierPusher]: treesize reduction 39, result has 69.0 percent of original size 87 [2021-06-10 20:52:36,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:52:36,088 INFO L142 QuantifierPusher]: treesize reduction 39, result has 75.6 percent of original size [2021-06-10 20:52:36,088 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 4, 2, 1] term [2021-06-10 20:52:36,089 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 20:52:36,095 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:36,097 INFO L147 QuantifierPusher]: treesize reduction 113, result has 30.7 percent of original size 50 [2021-06-10 20:52:36,098 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 3, 4, 2, 1] term [2021-06-10 20:52:36,098 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 20:52:36,099 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:36,101 INFO L147 QuantifierPusher]: treesize reduction 189, result has 28.4 percent of original size 75 [2021-06-10 20:52:36,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:36,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:36,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:36,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:52:36,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:36,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:52:36,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:52:36,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:36,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:36,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:36,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:52:36,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:36,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 20:52:36,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 20:52:36,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:36,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:36,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:36,483 INFO L147 QuantifierPusher]: treesize reduction 80, result has 25.2 percent of original size 27 [2021-06-10 20:52:36,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:36,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:36,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:36,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:36,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:36,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:36,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:36,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:36,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:36,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:52:36,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:36,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:52:36,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:52:37,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:37,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:52:37,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:37,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:52:37,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:52:37,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:37,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:37,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:37,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:37,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:37,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:37,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:37,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:37,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:37,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:52:37,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:37,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:52:37,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:52:37,960 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-06-10 20:52:38,084 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-06-10 20:52:38,348 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-06-10 20:52:38,475 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-06-10 20:52:38,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:38,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:52:38,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:38,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:52:38,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:52:38,528 INFO L163 LiptonReduction]: Checked pairs total: 3614 [2021-06-10 20:52:38,528 INFO L165 LiptonReduction]: Total number of compositions: 88 [2021-06-10 20:52:38,532 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4515 [2021-06-10 20:52:38,541 INFO L129 PetriNetUnfolder]: 0/4 cut-off events. [2021-06-10 20:52:38,541 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 20:52:38,541 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:52:38,541 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-10 20:52:38,542 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:52:38,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:52:38,545 INFO L82 PathProgramCache]: Analyzing trace with hash 952456, now seen corresponding path program 1 times [2021-06-10 20:52:38,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:52:38,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839468638] [2021-06-10 20:52:38,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:52:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:52:38,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:38,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:52:38,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:52:38,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839468638] [2021-06-10 20:52:38,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:52:38,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-10 20:52:38,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654801493] [2021-06-10 20:52:38,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 20:52:38,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:52:38,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 20:52:38,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 20:52:38,696 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 177 [2021-06-10 20:52:38,699 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 23 transitions, 52 flow. Second operand has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 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) [2021-06-10 20:52:38,699 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:52:38,699 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 177 [2021-06-10 20:52:38,700 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:52:38,746 INFO L129 PetriNetUnfolder]: 16/62 cut-off events. [2021-06-10 20:52:38,746 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 20:52:38,747 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 62 events. 16/62 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 209 event pairs, 11 based on Foata normal form. 18/73 useless extension candidates. Maximal degree in co-relation 95. Up to 27 conditions per place. [2021-06-10 20:52:38,748 INFO L132 encePairwiseOnDemand]: 172/177 looper letters, 7 selfloop transitions, 2 changer transitions 1/23 dead transitions. [2021-06-10 20:52:38,748 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 23 transitions, 70 flow [2021-06-10 20:52:38,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 20:52:38,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 20:52:38,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 443 transitions. [2021-06-10 20:52:38,761 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8342749529190208 [2021-06-10 20:52:38,761 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 443 transitions. [2021-06-10 20:52:38,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 443 transitions. [2021-06-10 20:52:38,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:52:38,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 443 transitions. [2021-06-10 20:52:38,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 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) [2021-06-10 20:52:38,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 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) [2021-06-10 20:52:38,775 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 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) [2021-06-10 20:52:38,776 INFO L185 Difference]: Start difference. First operand has 29 places, 23 transitions, 52 flow. Second operand 3 states and 443 transitions. [2021-06-10 20:52:38,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 23 transitions, 70 flow [2021-06-10 20:52:38,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 23 transitions, 68 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-10 20:52:38,779 INFO L241 Difference]: Finished difference. Result has 27 places, 19 transitions, 46 flow [2021-06-10 20:52:38,780 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=46, PETRI_PLACES=27, PETRI_TRANSITIONS=19} [2021-06-10 20:52:38,781 INFO L343 CegarLoopForPetriNet]: 29 programPoint places, -2 predicate places. [2021-06-10 20:52:38,781 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 19 transitions, 46 flow [2021-06-10 20:52:38,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 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) [2021-06-10 20:52:38,781 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:52:38,781 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:52:38,781 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-10 20:52:38,781 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:52:38,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:52:38,783 INFO L82 PathProgramCache]: Analyzing trace with hash -782074874, now seen corresponding path program 1 times [2021-06-10 20:52:38,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:52:38,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864074164] [2021-06-10 20:52:38,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:52:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:52:38,842 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-10 20:52:38,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 20:52:38,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:52:38,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864074164] [2021-06-10 20:52:38,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:52:38,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-10 20:52:38,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441018702] [2021-06-10 20:52:38,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 20:52:38,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:52:38,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 20:52:38,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 20:52:38,863 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 177 [2021-06-10 20:52:38,863 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 19 transitions, 46 flow. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 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) [2021-06-10 20:52:38,863 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:52:38,863 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 177 [2021-06-10 20:52:38,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:52:38,896 INFO L129 PetriNetUnfolder]: 28/96 cut-off events. [2021-06-10 20:52:38,896 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 20:52:38,896 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 96 events. 28/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 414 event pairs, 12 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 158. Up to 53 conditions per place. [2021-06-10 20:52:38,896 INFO L132 encePairwiseOnDemand]: 170/177 looper letters, 5 selfloop transitions, 3 changer transitions 4/24 dead transitions. [2021-06-10 20:52:38,896 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 24 transitions, 80 flow [2021-06-10 20:52:38,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 20:52:38,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 20:52:38,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 415 transitions. [2021-06-10 20:52:38,900 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7815442561205274 [2021-06-10 20:52:38,900 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 415 transitions. [2021-06-10 20:52:38,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 415 transitions. [2021-06-10 20:52:38,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:52:38,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 415 transitions. [2021-06-10 20:52:38,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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) [2021-06-10 20:52:38,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 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) [2021-06-10 20:52:38,902 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 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) [2021-06-10 20:52:38,902 INFO L185 Difference]: Start difference. First operand has 27 places, 19 transitions, 46 flow. Second operand 3 states and 415 transitions. [2021-06-10 20:52:38,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 24 transitions, 80 flow [2021-06-10 20:52:38,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 24 transitions, 76 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-10 20:52:38,903 INFO L241 Difference]: Finished difference. Result has 27 places, 20 transitions, 63 flow [2021-06-10 20:52:38,903 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=63, PETRI_PLACES=27, PETRI_TRANSITIONS=20} [2021-06-10 20:52:38,904 INFO L343 CegarLoopForPetriNet]: 29 programPoint places, -2 predicate places. [2021-06-10 20:52:38,904 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 20 transitions, 63 flow [2021-06-10 20:52:38,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 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) [2021-06-10 20:52:38,904 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:52:38,904 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:52:38,904 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-10 20:52:38,904 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:52:38,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:52:38,905 INFO L82 PathProgramCache]: Analyzing trace with hash 45280593, now seen corresponding path program 1 times [2021-06-10 20:52:38,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:52:38,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094184987] [2021-06-10 20:52:38,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:52:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:52:38,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:38,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:52:38,974 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-10 20:52:38,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 20:52:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:52:38,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094184987] [2021-06-10 20:52:38,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:52:38,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-10 20:52:38,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897212346] [2021-06-10 20:52:38,987 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 20:52:38,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:52:38,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 20:52:38,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-10 20:52:38,988 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 177 [2021-06-10 20:52:38,988 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 20 transitions, 63 flow. Second operand has 4 states, 4 states have (on average 134.75) internal successors, (539), 4 states have internal predecessors, (539), 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) [2021-06-10 20:52:38,988 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:52:38,988 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 177 [2021-06-10 20:52:38,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:52:39,035 INFO L129 PetriNetUnfolder]: 11/48 cut-off events. [2021-06-10 20:52:39,035 INFO L130 PetriNetUnfolder]: For 5/11 co-relation queries the response was YES. [2021-06-10 20:52:39,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 48 events. 11/48 cut-off events. For 5/11 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 130 event pairs, 3 based on Foata normal form. 1/48 useless extension candidates. Maximal degree in co-relation 100. Up to 26 conditions per place. [2021-06-10 20:52:39,036 INFO L132 encePairwiseOnDemand]: 174/177 looper letters, 6 selfloop transitions, 3 changer transitions 0/21 dead transitions. [2021-06-10 20:52:39,036 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 21 transitions, 85 flow [2021-06-10 20:52:39,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 20:52:39,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 20:52:39,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 411 transitions. [2021-06-10 20:52:39,038 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7740112994350282 [2021-06-10 20:52:39,038 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 411 transitions. [2021-06-10 20:52:39,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 411 transitions. [2021-06-10 20:52:39,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:52:39,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 411 transitions. [2021-06-10 20:52:39,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 137.0) internal successors, (411), 3 states have internal predecessors, (411), 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) [2021-06-10 20:52:39,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 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) [2021-06-10 20:52:39,040 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 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) [2021-06-10 20:52:39,040 INFO L185 Difference]: Start difference. First operand has 27 places, 20 transitions, 63 flow. Second operand 3 states and 411 transitions. [2021-06-10 20:52:39,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 21 transitions, 85 flow [2021-06-10 20:52:39,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 21 transitions, 82 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-10 20:52:39,041 INFO L241 Difference]: Finished difference. Result has 28 places, 20 transitions, 71 flow [2021-06-10 20:52:39,041 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=71, PETRI_PLACES=28, PETRI_TRANSITIONS=20} [2021-06-10 20:52:39,041 INFO L343 CegarLoopForPetriNet]: 29 programPoint places, -1 predicate places. [2021-06-10 20:52:39,041 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 20 transitions, 71 flow [2021-06-10 20:52:39,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 134.75) internal successors, (539), 4 states have internal predecessors, (539), 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) [2021-06-10 20:52:39,042 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:52:39,042 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:52:39,042 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-10 20:52:39,042 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:52:39,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:52:39,043 INFO L82 PathProgramCache]: Analyzing trace with hash 45323745, now seen corresponding path program 1 times [2021-06-10 20:52:39,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:52:39,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660615933] [2021-06-10 20:52:39,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:52:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:52:39,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:39,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:52:39,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:52:39,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660615933] [2021-06-10 20:52:39,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:52:39,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-10 20:52:39,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451714137] [2021-06-10 20:52:39,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 20:52:39,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:52:39,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 20:52:39,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 20:52:39,097 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 177 [2021-06-10 20:52:39,097 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 20 transitions, 71 flow. Second operand has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 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) [2021-06-10 20:52:39,097 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:52:39,097 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 177 [2021-06-10 20:52:39,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:52:39,107 INFO L129 PetriNetUnfolder]: 8/39 cut-off events. [2021-06-10 20:52:39,107 INFO L130 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2021-06-10 20:52:39,107 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 39 events. 8/39 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 101 event pairs, 6 based on Foata normal form. 2/40 useless extension candidates. Maximal degree in co-relation 76. Up to 21 conditions per place. [2021-06-10 20:52:39,107 INFO L132 encePairwiseOnDemand]: 174/177 looper letters, 1 selfloop transitions, 3 changer transitions 0/20 dead transitions. [2021-06-10 20:52:39,107 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 20 transitions, 79 flow [2021-06-10 20:52:39,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 20:52:39,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 20:52:39,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 442 transitions. [2021-06-10 20:52:39,109 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.832391713747646 [2021-06-10 20:52:39,109 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 442 transitions. [2021-06-10 20:52:39,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 442 transitions. [2021-06-10 20:52:39,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:52:39,109 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 442 transitions. [2021-06-10 20:52:39,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 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) [2021-06-10 20:52:39,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 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) [2021-06-10 20:52:39,111 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 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) [2021-06-10 20:52:39,111 INFO L185 Difference]: Start difference. First operand has 28 places, 20 transitions, 71 flow. Second operand 3 states and 442 transitions. [2021-06-10 20:52:39,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 20 transitions, 79 flow [2021-06-10 20:52:39,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 20 transitions, 73 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-10 20:52:39,112 INFO L241 Difference]: Finished difference. Result has 29 places, 20 transitions, 76 flow [2021-06-10 20:52:39,112 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=65, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=29, PETRI_TRANSITIONS=20} [2021-06-10 20:52:39,112 INFO L343 CegarLoopForPetriNet]: 29 programPoint places, 0 predicate places. [2021-06-10 20:52:39,112 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 20 transitions, 76 flow [2021-06-10 20:52:39,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 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) [2021-06-10 20:52:39,113 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:52:39,113 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:52:39,113 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-10 20:52:39,113 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:52:39,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:52:39,114 INFO L82 PathProgramCache]: Analyzing trace with hash 123762796, now seen corresponding path program 1 times [2021-06-10 20:52:39,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:52:39,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480379846] [2021-06-10 20:52:39,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:52:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:52:39,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:39,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:52:39,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:39,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 20:52:39,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:39,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:39,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:52:39,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480379846] [2021-06-10 20:52:39,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:52:39,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 20:52:39,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233065952] [2021-06-10 20:52:39,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 20:52:39,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:52:39,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 20:52:39,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 20:52:39,182 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 177 [2021-06-10 20:52:39,182 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 20 transitions, 76 flow. Second operand has 4 states, 4 states have (on average 137.75) internal successors, (551), 4 states have internal predecessors, (551), 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) [2021-06-10 20:52:39,182 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:52:39,182 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 177 [2021-06-10 20:52:39,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:52:39,210 INFO L129 PetriNetUnfolder]: 19/76 cut-off events. [2021-06-10 20:52:39,210 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2021-06-10 20:52:39,210 INFO L84 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 76 events. 19/76 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 266 event pairs, 6 based on Foata normal form. 7/70 useless extension candidates. Maximal degree in co-relation 157. Up to 25 conditions per place. [2021-06-10 20:52:39,210 INFO L132 encePairwiseOnDemand]: 171/177 looper letters, 4 selfloop transitions, 8 changer transitions 2/28 dead transitions. [2021-06-10 20:52:39,211 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 28 transitions, 120 flow [2021-06-10 20:52:39,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 20:52:39,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 20:52:39,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 701 transitions. [2021-06-10 20:52:39,212 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.792090395480226 [2021-06-10 20:52:39,212 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 701 transitions. [2021-06-10 20:52:39,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 701 transitions. [2021-06-10 20:52:39,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:52:39,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 701 transitions. [2021-06-10 20:52:39,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 140.2) internal successors, (701), 5 states have internal predecessors, (701), 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) [2021-06-10 20:52:39,215 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 177.0) internal successors, (1062), 6 states have internal predecessors, (1062), 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) [2021-06-10 20:52:39,216 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 177.0) internal successors, (1062), 6 states have internal predecessors, (1062), 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) [2021-06-10 20:52:39,216 INFO L185 Difference]: Start difference. First operand has 29 places, 20 transitions, 76 flow. Second operand 5 states and 701 transitions. [2021-06-10 20:52:39,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 28 transitions, 120 flow [2021-06-10 20:52:39,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 28 transitions, 114 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-10 20:52:39,217 INFO L241 Difference]: Finished difference. Result has 34 places, 26 transitions, 120 flow [2021-06-10 20:52:39,217 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=120, PETRI_PLACES=34, PETRI_TRANSITIONS=26} [2021-06-10 20:52:39,217 INFO L343 CegarLoopForPetriNet]: 29 programPoint places, 5 predicate places. [2021-06-10 20:52:39,217 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 26 transitions, 120 flow [2021-06-10 20:52:39,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 137.75) internal successors, (551), 4 states have internal predecessors, (551), 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) [2021-06-10 20:52:39,218 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:52:39,218 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:52:39,218 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-10 20:52:39,218 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:52:39,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:52:39,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1662034373, now seen corresponding path program 1 times [2021-06-10 20:52:39,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:52:39,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448424102] [2021-06-10 20:52:39,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:52:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:52:39,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:39,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:39,249 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-06-10 20:52:39,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 20:52:39,257 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-06-10 20:52:39,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 20:52:39,268 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-06-10 20:52:39,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 20:52:39,280 INFO L142 QuantifierPusher]: treesize reduction 10, result has 56.5 percent of original size [2021-06-10 20:52:39,280 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-06-10 20:52:39,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:39,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-10 20:52:39,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:52:39,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448424102] [2021-06-10 20:52:39,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:52:39,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-10 20:52:39,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416450571] [2021-06-10 20:52:39,295 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-10 20:52:39,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:52:39,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-10 20:52:39,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-10 20:52:39,296 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 177 [2021-06-10 20:52:39,297 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 26 transitions, 120 flow. Second operand has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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) [2021-06-10 20:52:39,297 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:52:39,297 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 177 [2021-06-10 20:52:39,297 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:52:39,411 INFO L129 PetriNetUnfolder]: 56/195 cut-off events. [2021-06-10 20:52:39,412 INFO L130 PetriNetUnfolder]: For 182/233 co-relation queries the response was YES. [2021-06-10 20:52:39,413 INFO L84 FinitePrefix]: Finished finitePrefix Result has 553 conditions, 195 events. 56/195 cut-off events. For 182/233 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1041 event pairs, 14 based on Foata normal form. 37/215 useless extension candidates. Maximal degree in co-relation 537. Up to 59 conditions per place. [2021-06-10 20:52:39,413 INFO L132 encePairwiseOnDemand]: 169/177 looper letters, 10 selfloop transitions, 8 changer transitions 9/44 dead transitions. [2021-06-10 20:52:39,413 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 44 transitions, 240 flow [2021-06-10 20:52:39,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-10 20:52:39,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-10 20:52:39,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 876 transitions. [2021-06-10 20:52:39,415 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7070217917675545 [2021-06-10 20:52:39,415 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 876 transitions. [2021-06-10 20:52:39,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 876 transitions. [2021-06-10 20:52:39,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:52:39,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 876 transitions. [2021-06-10 20:52:39,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 125.14285714285714) internal successors, (876), 7 states have internal predecessors, (876), 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) [2021-06-10 20:52:39,419 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 177.0) internal successors, (1416), 8 states have internal predecessors, (1416), 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) [2021-06-10 20:52:39,419 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 177.0) internal successors, (1416), 8 states have internal predecessors, (1416), 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) [2021-06-10 20:52:39,419 INFO L185 Difference]: Start difference. First operand has 34 places, 26 transitions, 120 flow. Second operand 7 states and 876 transitions. [2021-06-10 20:52:39,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 44 transitions, 240 flow [2021-06-10 20:52:39,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 44 transitions, 240 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-10 20:52:39,422 INFO L241 Difference]: Finished difference. Result has 44 places, 33 transitions, 183 flow [2021-06-10 20:52:39,422 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=183, PETRI_PLACES=44, PETRI_TRANSITIONS=33} [2021-06-10 20:52:39,422 INFO L343 CegarLoopForPetriNet]: 29 programPoint places, 15 predicate places. [2021-06-10 20:52:39,422 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 33 transitions, 183 flow [2021-06-10 20:52:39,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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) [2021-06-10 20:52:39,423 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:52:39,423 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:52:39,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-10 20:52:39,423 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:52:39,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:52:39,423 INFO L82 PathProgramCache]: Analyzing trace with hash 2135914547, now seen corresponding path program 1 times [2021-06-10 20:52:39,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:52:39,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820466433] [2021-06-10 20:52:39,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:52:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:52:39,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:39,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:52:39,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:39,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:52:39,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:39,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 20:52:39,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:39,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:39,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:52:39,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820466433] [2021-06-10 20:52:39,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:52:39,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-10 20:52:39,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232649490] [2021-06-10 20:52:39,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-10 20:52:39,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:52:39,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-10 20:52:39,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-10 20:52:39,483 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 177 [2021-06-10 20:52:39,484 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 33 transitions, 183 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) [2021-06-10 20:52:39,484 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:52:39,484 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 177 [2021-06-10 20:52:39,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:52:39,534 INFO L129 PetriNetUnfolder]: 24/97 cut-off events. [2021-06-10 20:52:39,534 INFO L130 PetriNetUnfolder]: For 140/263 co-relation queries the response was YES. [2021-06-10 20:52:39,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 325 conditions, 97 events. 24/97 cut-off events. For 140/263 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 386 event pairs, 3 based on Foata normal form. 63/152 useless extension candidates. Maximal degree in co-relation 305. Up to 29 conditions per place. [2021-06-10 20:52:39,535 INFO L132 encePairwiseOnDemand]: 171/177 looper letters, 2 selfloop transitions, 11 changer transitions 3/36 dead transitions. [2021-06-10 20:52:39,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 36 transitions, 223 flow [2021-06-10 20:52:39,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-10 20:52:39,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-10 20:52:39,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 977 transitions. [2021-06-10 20:52:39,537 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7885391444713479 [2021-06-10 20:52:39,537 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 977 transitions. [2021-06-10 20:52:39,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 977 transitions. [2021-06-10 20:52:39,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:52:39,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 977 transitions. [2021-06-10 20:52:39,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 139.57142857142858) internal successors, (977), 7 states have internal predecessors, (977), 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) [2021-06-10 20:52:39,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 177.0) internal successors, (1416), 8 states have internal predecessors, (1416), 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) [2021-06-10 20:52:39,541 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 177.0) internal successors, (1416), 8 states have internal predecessors, (1416), 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) [2021-06-10 20:52:39,541 INFO L185 Difference]: Start difference. First operand has 44 places, 33 transitions, 183 flow. Second operand 7 states and 977 transitions. [2021-06-10 20:52:39,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 36 transitions, 223 flow [2021-06-10 20:52:39,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 36 transitions, 207 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-06-10 20:52:39,542 INFO L241 Difference]: Finished difference. Result has 46 places, 33 transitions, 200 flow [2021-06-10 20:52:39,542 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=200, PETRI_PLACES=46, PETRI_TRANSITIONS=33} [2021-06-10 20:52:39,543 INFO L343 CegarLoopForPetriNet]: 29 programPoint places, 17 predicate places. [2021-06-10 20:52:39,543 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 33 transitions, 200 flow [2021-06-10 20:52:39,543 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) [2021-06-10 20:52:39,543 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:52:39,543 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:52:39,543 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-10 20:52:39,543 INFO L428 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:52:39,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:52:39,544 INFO L82 PathProgramCache]: Analyzing trace with hash 680279690, now seen corresponding path program 1 times [2021-06-10 20:52:39,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:52:39,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518327850] [2021-06-10 20:52:39,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:52:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:52:39,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:39,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:39,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:39,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:52:39,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:39,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:52:39,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:52:39,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518327850] [2021-06-10 20:52:39,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:52:39,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 20:52:39,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015609875] [2021-06-10 20:52:39,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 20:52:39,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:52:39,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 20:52:39,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 20:52:39,588 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 177 [2021-06-10 20:52:39,589 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 33 transitions, 200 flow. Second operand has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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) [2021-06-10 20:52:39,589 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:52:39,589 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 177 [2021-06-10 20:52:39,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:52:39,608 INFO L129 PetriNetUnfolder]: 25/113 cut-off events. [2021-06-10 20:52:39,608 INFO L130 PetriNetUnfolder]: For 295/334 co-relation queries the response was YES. [2021-06-10 20:52:39,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 396 conditions, 113 events. 25/113 cut-off events. For 295/334 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 505 event pairs, 2 based on Foata normal form. 16/119 useless extension candidates. Maximal degree in co-relation 374. Up to 36 conditions per place. [2021-06-10 20:52:39,609 INFO L132 encePairwiseOnDemand]: 174/177 looper letters, 3 selfloop transitions, 2 changer transitions 6/34 dead transitions. [2021-06-10 20:52:39,609 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 34 transitions, 218 flow [2021-06-10 20:52:39,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-10 20:52:39,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-10 20:52:39,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 566 transitions. [2021-06-10 20:52:39,610 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7994350282485876 [2021-06-10 20:52:39,611 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 566 transitions. [2021-06-10 20:52:39,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 566 transitions. [2021-06-10 20:52:39,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:52:39,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 566 transitions. [2021-06-10 20:52:39,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 141.5) internal successors, (566), 4 states have internal predecessors, (566), 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) [2021-06-10 20:52:39,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 177.0) internal successors, (885), 5 states have internal predecessors, (885), 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) [2021-06-10 20:52:39,613 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 177.0) internal successors, (885), 5 states have internal predecessors, (885), 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) [2021-06-10 20:52:39,613 INFO L185 Difference]: Start difference. First operand has 46 places, 33 transitions, 200 flow. Second operand 4 states and 566 transitions. [2021-06-10 20:52:39,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 34 transitions, 218 flow [2021-06-10 20:52:39,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 34 transitions, 189 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-06-10 20:52:39,615 INFO L241 Difference]: Finished difference. Result has 44 places, 28 transitions, 154 flow [2021-06-10 20:52:39,615 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=154, PETRI_PLACES=44, PETRI_TRANSITIONS=28} [2021-06-10 20:52:39,615 INFO L343 CegarLoopForPetriNet]: 29 programPoint places, 15 predicate places. [2021-06-10 20:52:39,615 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 28 transitions, 154 flow [2021-06-10 20:52:39,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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) [2021-06-10 20:52:39,615 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:52:39,615 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:52:39,615 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-10 20:52:39,615 INFO L428 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:52:39,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:52:39,616 INFO L82 PathProgramCache]: Analyzing trace with hash -349201906, now seen corresponding path program 2 times [2021-06-10 20:52:39,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:52:39,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239669040] [2021-06-10 20:52:39,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:52:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:52:39,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:39,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:52:39,653 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-06-10 20:52:39,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 20:52:39,662 INFO L142 QuantifierPusher]: treesize reduction 24, result has 63.6 percent of original size [2021-06-10 20:52:39,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-10 20:52:39,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:52:39,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-10 20:52:39,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:52:39,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239669040] [2021-06-10 20:52:39,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:52:39,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-10 20:52:39,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647855277] [2021-06-10 20:52:39,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-10 20:52:39,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:52:39,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-10 20:52:39,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-10 20:52:39,676 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 177 [2021-06-10 20:52:39,676 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 28 transitions, 154 flow. Second operand has 5 states, 5 states have (on average 126.4) internal successors, (632), 5 states have internal predecessors, (632), 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) [2021-06-10 20:52:39,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:52:39,677 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 177 [2021-06-10 20:52:39,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:52:39,716 INFO L129 PetriNetUnfolder]: 7/65 cut-off events. [2021-06-10 20:52:39,716 INFO L130 PetriNetUnfolder]: For 117/134 co-relation queries the response was YES. [2021-06-10 20:52:39,717 INFO L84 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 65 events. 7/65 cut-off events. For 117/134 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 228 event pairs, 1 based on Foata normal form. 14/68 useless extension candidates. Maximal degree in co-relation 209. Up to 21 conditions per place. [2021-06-10 20:52:39,717 INFO L132 encePairwiseOnDemand]: 172/177 looper letters, 5 selfloop transitions, 2 changer transitions 7/30 dead transitions. [2021-06-10 20:52:39,717 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 30 transitions, 190 flow [2021-06-10 20:52:39,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-10 20:52:39,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-10 20:52:39,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 762 transitions. [2021-06-10 20:52:39,719 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7175141242937854 [2021-06-10 20:52:39,719 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 762 transitions. [2021-06-10 20:52:39,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 762 transitions. [2021-06-10 20:52:39,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:52:39,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 762 transitions. [2021-06-10 20:52:39,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 127.0) internal successors, (762), 6 states have internal predecessors, (762), 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) [2021-06-10 20:52:39,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 177.0) internal successors, (1239), 7 states have internal predecessors, (1239), 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) [2021-06-10 20:52:39,722 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 177.0) internal successors, (1239), 7 states have internal predecessors, (1239), 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) [2021-06-10 20:52:39,722 INFO L185 Difference]: Start difference. First operand has 44 places, 28 transitions, 154 flow. Second operand 6 states and 762 transitions. [2021-06-10 20:52:39,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 30 transitions, 190 flow [2021-06-10 20:52:39,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 30 transitions, 171 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-06-10 20:52:39,723 INFO L241 Difference]: Finished difference. Result has 46 places, 23 transitions, 119 flow [2021-06-10 20:52:39,723 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=137, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=119, PETRI_PLACES=46, PETRI_TRANSITIONS=23} [2021-06-10 20:52:39,723 INFO L343 CegarLoopForPetriNet]: 29 programPoint places, 17 predicate places. [2021-06-10 20:52:39,723 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 23 transitions, 119 flow [2021-06-10 20:52:39,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 126.4) internal successors, (632), 5 states have internal predecessors, (632), 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) [2021-06-10 20:52:39,724 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:52:39,724 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:52:39,724 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-10 20:52:39,724 INFO L428 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:52:39,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:52:39,724 INFO L82 PathProgramCache]: Analyzing trace with hash 92674214, now seen corresponding path program 3 times [2021-06-10 20:52:39,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:52:39,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413886466] [2021-06-10 20:52:39,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:52:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 20:52:39,744 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 20:52:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 20:52:39,772 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 20:52:39,788 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-10 20:52:39,788 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-10 20:52:39,788 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-10 20:52:39,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.06 08:52:39 BasicIcfg [2021-06-10 20:52:39,824 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-10 20:52:39,825 INFO L168 Benchmark]: Toolchain (without parser) took 7646.14 ms. Allocated memory was 394.3 MB in the beginning and 616.6 MB in the end (delta: 222.3 MB). Free memory was 356.6 MB in the beginning and 365.6 MB in the end (delta: -9.0 MB). Peak memory consumption was 215.1 MB. Max. memory is 16.0 GB. [2021-06-10 20:52:39,825 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 394.3 MB. Free memory was 374.7 MB in the beginning and 374.7 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 20:52:39,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.30 ms. Allocated memory is still 394.3 MB. Free memory was 356.3 MB in the beginning and 353.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. [2021-06-10 20:52:39,825 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.69 ms. Allocated memory is still 394.3 MB. Free memory was 353.0 MB in the beginning and 350.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 20:52:39,825 INFO L168 Benchmark]: Boogie Preprocessor took 26.11 ms. Allocated memory is still 394.3 MB. Free memory was 350.9 MB in the beginning and 348.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 20:52:39,826 INFO L168 Benchmark]: RCFGBuilder took 1284.67 ms. Allocated memory is still 394.3 MB. Free memory was 348.8 MB in the beginning and 298.7 MB in the end (delta: 50.1 MB). Peak memory consumption was 130.9 MB. Max. memory is 16.0 GB. [2021-06-10 20:52:39,826 INFO L168 Benchmark]: TraceAbstraction took 5937.35 ms. Allocated memory was 394.3 MB in the beginning and 616.6 MB in the end (delta: 222.3 MB). Free memory was 297.6 MB in the beginning and 365.6 MB in the end (delta: -68.0 MB). Peak memory consumption was 154.3 MB. Max. memory is 16.0 GB. [2021-06-10 20:52:39,826 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 394.3 MB. Free memory was 374.7 MB in the beginning and 374.7 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 354.30 ms. Allocated memory is still 394.3 MB. Free memory was 356.3 MB in the beginning and 353.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 38.69 ms. Allocated memory is still 394.3 MB. Free memory was 353.0 MB in the beginning and 350.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 26.11 ms. Allocated memory is still 394.3 MB. Free memory was 350.9 MB in the beginning and 348.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1284.67 ms. Allocated memory is still 394.3 MB. Free memory was 348.8 MB in the beginning and 298.7 MB in the end (delta: 50.1 MB). Peak memory consumption was 130.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5937.35 ms. Allocated memory was 394.3 MB in the beginning and 616.6 MB in the end (delta: 222.3 MB). Free memory was 297.6 MB in the beginning and 365.6 MB in the end (delta: -68.0 MB). Peak memory consumption was 154.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4500.0ms, 92 PlacesBefore, 29 PlacesAfterwards, 87 TransitionsBefore, 23 TransitionsAfterwards, 1210 CoEnabledTransitionPairs, 8 FixpointIterations, 37 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 88 TotalNumberOfCompositions, 3614 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1905, positive: 1758, positive conditional: 0, positive unconditional: 1758, negative: 147, negative conditional: 0, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 920, positive: 873, positive conditional: 0, positive unconditional: 873, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 920, positive: 873, positive conditional: 0, positive unconditional: 873, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 920, positive: 864, positive conditional: 0, positive unconditional: 864, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 403, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 376, negative conditional: 0, negative unconditional: 376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1905, positive: 885, positive conditional: 0, positive unconditional: 885, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 920, unknown conditional: 0, unknown unconditional: 920] , Statistics on independence cache: Total cache size (in pairs): 1652, Positive cache size: 1605, Positive conditional cache size: 0, Positive unconditional cache size: 1605, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p0_EAX = 0; [L712] 0 int __unbuffered_p0_EBX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p1_EBX = 0; [L718] 0 int a = 0; [L719] 0 _Bool a$flush_delayed; [L720] 0 int a$mem_tmp; [L721] 0 _Bool a$r_buff0_thd0; [L722] 0 _Bool a$r_buff0_thd1; [L723] 0 _Bool a$r_buff0_thd2; [L724] 0 _Bool a$r_buff1_thd0; [L725] 0 _Bool a$r_buff1_thd1; [L726] 0 _Bool a$r_buff1_thd2; [L727] 0 _Bool a$read_delayed; [L728] 0 int *a$read_delayed_var; [L729] 0 int a$w_buff0; [L730] 0 _Bool a$w_buff0_used; [L731] 0 int a$w_buff1; [L732] 0 _Bool a$w_buff1_used; [L733] 0 _Bool main$tmp_guard0; [L734] 0 _Bool main$tmp_guard1; [L736] 0 int x = 0; [L738] 0 int y = 0; [L740] 0 int z = 0; [L741] 0 _Bool weak$$choice0; [L742] 0 _Bool weak$$choice2; [L827] 0 pthread_t t837; [L828] FCALL, FORK 0 pthread_create(&t837, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L746] 1 a$w_buff1 = a$w_buff0 [L747] 1 a$w_buff0 = 1 [L748] 1 a$w_buff1_used = a$w_buff0_used [L749] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L751] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L752] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L753] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L754] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L829] 0 pthread_t t838; [L830] FCALL, FORK 0 pthread_create(&t838, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L757] 1 x = 1 [L760] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L763] 1 __unbuffered_p0_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L780] 2 y = 1 [L783] 2 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L786] 2 __unbuffered_p1_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L789] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L790] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L791] 2 a$flush_delayed = weak$$choice2 [L792] 2 a$mem_tmp = a [L793] EXPR 2 !a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : a$w_buff1) [L793] 2 a = !a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : a$w_buff1) [L794] EXPR 2 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : a$w_buff0)) [L794] 2 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : a$w_buff0)) [L795] EXPR 2 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff1 : a$w_buff1)) [L795] 2 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff1 : a$w_buff1)) [L796] EXPR 2 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used)) [L796] 2 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used)) [L797] EXPR 2 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L797] 2 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L798] EXPR 2 weak$$choice2 ? a$r_buff0_thd2 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$r_buff0_thd2 : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2)) [L798] 2 a$r_buff0_thd2 = weak$$choice2 ? a$r_buff0_thd2 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$r_buff0_thd2 : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2)) [L799] EXPR 2 weak$$choice2 ? a$r_buff1_thd2 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$r_buff1_thd2 : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L799] 2 a$r_buff1_thd2 = weak$$choice2 ? a$r_buff1_thd2 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$r_buff1_thd2 : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L800] 2 __unbuffered_p1_EBX = a [L801] EXPR 2 a$flush_delayed ? a$mem_tmp : a [L801] 2 a = a$flush_delayed ? a$mem_tmp : a [L802] 2 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, z=1] [L805] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L805] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L805] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L805] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L806] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L806] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L807] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L807] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L808] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L808] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L809] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L809] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L766] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L766] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L767] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L767] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L768] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L768] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L769] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L769] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L770] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L770] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L773] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L775] 1 return 0; [L812] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L814] 2 return 0; [L832] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L836] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L836] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L836] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L836] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L837] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L837] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L838] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L838] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L839] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L839] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L840] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L840] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L843] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, 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 3 procedures, 88 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 5813.3ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 500.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4560.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 47 SDtfs, 19 SDslu, 27 SDs, 0 SdLazy, 155 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 179.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 132.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=7, InterpolantAutomatonStates: 41, 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: 22.4ms SsaConstructionTime, 181.7ms SatisfiabilityAnalysisTime, 369.0ms InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 464 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...