/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/rfi000_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 20:15:51,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 20:15:51,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 20:15:51,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 20:15:51,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 20:15:51,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 20:15:51,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 20:15:51,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 20:15:51,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 20:15:51,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 20:15:51,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 20:15:51,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 20:15:51,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 20:15:51,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 20:15:51,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 20:15:51,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 20:15:51,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 20:15:51,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 20:15:51,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 20:15:51,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 20:15:51,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 20:15:51,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 20:15:51,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 20:15:51,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 20:15:51,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 20:15:51,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 20:15:51,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 20:15:51,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 20:15:51,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 20:15:51,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 20:15:51,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 20:15:51,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 20:15:51,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 20:15:51,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 20:15:51,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 20:15:51,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 20:15:51,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 20:15:51,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 20:15:51,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 20:15:51,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 20:15:51,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 20:15:51,156 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 [2021-03-11 20:15:51,186 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 20:15:51,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 20:15:51,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 20:15:51,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 20:15:51,190 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 20:15:51,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 20:15:51,190 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 20:15:51,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 20:15:51,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 20:15:51,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 20:15:51,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 20:15:51,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 20:15:51,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 20:15:51,191 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 20:15:51,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 20:15:51,191 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 20:15:51,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 20:15:51,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 20:15:51,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 20:15:51,192 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 20:15:51,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 20:15:51,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 20:15:51,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 20:15:51,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 20:15:51,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 20:15:51,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 20:15:51,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 20:15:51,193 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 20:15:51,193 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 20:15:51,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 20:15:51,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 20:15:51,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 20:15:51,457 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 20:15:51,457 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 20:15:51,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.opt.i [2021-03-11 20:15:51,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15bbc57be/98e2b3c488684a1995d160744c86223f/FLAG9e79ff0c7 [2021-03-11 20:15:51,999 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 20:15:51,999 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_tso.opt.i [2021-03-11 20:15:52,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15bbc57be/98e2b3c488684a1995d160744c86223f/FLAG9e79ff0c7 [2021-03-11 20:15:52,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15bbc57be/98e2b3c488684a1995d160744c86223f [2021-03-11 20:15:52,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 20:15:52,486 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 20:15:52,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 20:15:52,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 20:15:52,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 20:15:52,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 08:15:52" (1/1) ... [2021-03-11 20:15:52,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e369c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:15:52, skipping insertion in model container [2021-03-11 20:15:52,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 08:15:52" (1/1) ... [2021-03-11 20:15:52,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 20:15:52,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 20:15:52,624 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/rfi000_tso.opt.i[948,961] [2021-03-11 20:15:52,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 20:15:52,791 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 20:15:52,798 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/rfi000_tso.opt.i[948,961] [2021-03-11 20:15:52,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 20:15:52,878 INFO L208 MainTranslator]: Completed translation [2021-03-11 20:15:52,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:15:52 WrapperNode [2021-03-11 20:15:52,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 20:15:52,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 20:15:52,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 20:15:52,879 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 20:15:52,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:15:52" (1/1) ... [2021-03-11 20:15:52,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:15:52" (1/1) ... [2021-03-11 20:15:52,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 20:15:52,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 20:15:52,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 20:15:52,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 20:15:52,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:15:52" (1/1) ... [2021-03-11 20:15:52,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:15:52" (1/1) ... [2021-03-11 20:15:52,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:15:52" (1/1) ... [2021-03-11 20:15:52,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:15:52" (1/1) ... [2021-03-11 20:15:52,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:15:52" (1/1) ... [2021-03-11 20:15:52,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:15:52" (1/1) ... [2021-03-11 20:15:52,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:15:52" (1/1) ... [2021-03-11 20:15:52,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 20:15:52,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 20:15:52,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 20:15:52,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 20:15:52,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:15:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 20:15:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 20:15:53,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-11 20:15:53,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 20:15:53,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 20:15:53,049 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-11 20:15:53,049 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-11 20:15:53,049 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-11 20:15:53,049 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-11 20:15:53,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 20:15:53,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-11 20:15:53,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 20:15:53,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 20:15:53,051 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 20:15:55,200 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 20:15:55,200 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-11 20:15:55,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 08:15:55 BoogieIcfgContainer [2021-03-11 20:15:55,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 20:15:55,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 20:15:55,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 20:15:55,204 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 20:15:55,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 08:15:52" (1/3) ... [2021-03-11 20:15:55,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b427fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 08:15:55, skipping insertion in model container [2021-03-11 20:15:55,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:15:52" (2/3) ... [2021-03-11 20:15:55,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b427fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 08:15:55, skipping insertion in model container [2021-03-11 20:15:55,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 08:15:55" (3/3) ... [2021-03-11 20:15:55,206 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi000_tso.opt.i [2021-03-11 20:15:55,210 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 20:15:55,213 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-11 20:15:55,214 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 20:15:55,241 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,242 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,242 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,242 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,242 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,242 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,242 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,242 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,242 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,242 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,242 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,242 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,243 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,243 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,243 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,243 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,243 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,243 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,243 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,243 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,243 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,244 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,244 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,244 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,245 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,245 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,245 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,245 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,245 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,245 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,245 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,245 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,245 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,245 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,245 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,246 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,246 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,246 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,246 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,246 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,246 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,246 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,246 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,246 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,246 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,246 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,247 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,247 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,247 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,247 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,247 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,247 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,247 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,247 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,247 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,247 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,247 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,247 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,247 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,247 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,249 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,249 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,249 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,249 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,250 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,250 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,250 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,250 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,250 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,250 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,250 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,250 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,253 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,254 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,255 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,256 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,257 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,264 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,264 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,264 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,264 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,264 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,265 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,265 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,266 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,266 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,266 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,266 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,267 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,269 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,270 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,270 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:15:55,272 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-11 20:15:55,283 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-11 20:15:55,305 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 20:15:55,305 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 20:15:55,305 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 20:15:55,305 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 20:15:55,305 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 20:15:55,305 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 20:15:55,305 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 20:15:55,305 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 20:15:55,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 83 transitions, 176 flow [2021-03-11 20:15:55,348 INFO L129 PetriNetUnfolder]: 2/81 cut-off events. [2021-03-11 20:15:55,348 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:15:55,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 81 events. 2/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2021-03-11 20:15:55,358 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 83 transitions, 176 flow [2021-03-11 20:15:55,362 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 81 transitions, 168 flow [2021-03-11 20:15:55,365 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 20:15:55,372 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 81 transitions, 168 flow [2021-03-11 20:15:55,374 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 81 transitions, 168 flow [2021-03-11 20:15:55,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 81 transitions, 168 flow [2021-03-11 20:15:55,414 INFO L129 PetriNetUnfolder]: 2/81 cut-off events. [2021-03-11 20:15:55,414 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:15:55,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 81 events. 2/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2021-03-11 20:15:55,416 INFO L116 LiptonReduction]: Number of co-enabled transitions 1046 [2021-03-11 20:15:56,166 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-11 20:15:56,525 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-11 20:15:56,669 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-11 20:15:57,681 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-03-11 20:15:57,808 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-03-11 20:15:59,036 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-03-11 20:15:59,326 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-11 20:16:00,542 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-03-11 20:16:01,103 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-11 20:16:01,969 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2021-03-11 20:16:02,251 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2021-03-11 20:16:02,819 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2021-03-11 20:16:03,426 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2021-03-11 20:16:03,693 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-11 20:16:03,979 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-11 20:16:04,536 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-11 20:16:05,125 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-11 20:16:05,926 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-03-11 20:16:06,255 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-03-11 20:16:06,986 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2021-03-11 20:16:07,688 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2021-03-11 20:16:08,828 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-03-11 20:16:08,943 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-03-11 20:16:09,192 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-03-11 20:16:09,307 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-03-11 20:16:09,625 INFO L131 LiptonReduction]: Checked pairs total: 3401 [2021-03-11 20:16:09,625 INFO L133 LiptonReduction]: Total number of compositions: 72 [2021-03-11 20:16:09,626 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14264 [2021-03-11 20:16:09,633 INFO L129 PetriNetUnfolder]: 1/12 cut-off events. [2021-03-11 20:16:09,633 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:16:09,633 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:09,635 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-11 20:16:09,635 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:09,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:09,642 INFO L82 PathProgramCache]: Analyzing trace with hash -600475645, now seen corresponding path program 1 times [2021-03-11 20:16:09,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:09,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336907854] [2021-03-11 20:16:09,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:09,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:09,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:16:09,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:16:09,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336907854] [2021-03-11 20:16:09,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:09,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 20:16:09,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594822918] [2021-03-11 20:16:09,847 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 20:16:09,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:09,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 20:16:09,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 20:16:09,858 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 155 [2021-03-11 20:16:09,861 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 20 transitions, 46 flow. Second operand has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:09,861 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:09,861 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 155 [2021-03-11 20:16:09,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:09,948 INFO L129 PetriNetUnfolder]: 43/100 cut-off events. [2021-03-11 20:16:09,948 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:16:09,949 INFO L84 FinitePrefix]: Finished finitePrefix Result has 191 conditions, 100 events. 43/100 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 371 event pairs, 3 based on Foata normal form. 10/100 useless extension candidates. Maximal degree in co-relation 182. Up to 73 conditions per place. [2021-03-11 20:16:09,951 INFO L132 encePairwiseOnDemand]: 151/155 looper letters, 9 selfloop transitions, 2 changer transitions 2/22 dead transitions. [2021-03-11 20:16:09,954 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 22 transitions, 76 flow [2021-03-11 20:16:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 20:16:09,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 20:16:09,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 382 transitions. [2021-03-11 20:16:09,968 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.821505376344086 [2021-03-11 20:16:09,968 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 382 transitions. [2021-03-11 20:16:09,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 382 transitions. [2021-03-11 20:16:09,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:09,973 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 382 transitions. [2021-03-11 20:16:09,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:09,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:09,983 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:09,984 INFO L185 Difference]: Start difference. First operand has 26 places, 20 transitions, 46 flow. Second operand 3 states and 382 transitions. [2021-03-11 20:16:09,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 22 transitions, 76 flow [2021-03-11 20:16:09,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 22 transitions, 74 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 20:16:09,987 INFO L241 Difference]: Finished difference. Result has 25 places, 17 transitions, 42 flow [2021-03-11 20:16:09,988 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=42, PETRI_PLACES=25, PETRI_TRANSITIONS=17} [2021-03-11 20:16:09,988 INFO L335 CegarLoopForPetriNet]: 26 programPoint places, -1 predicate places. [2021-03-11 20:16:09,988 INFO L480 AbstractCegarLoop]: Abstraction has has 25 places, 17 transitions, 42 flow [2021-03-11 20:16:09,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:09,989 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:09,989 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:09,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 20:16:09,989 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:09,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:09,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1434860816, now seen corresponding path program 1 times [2021-03-11 20:16:09,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:09,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026730716] [2021-03-11 20:16:09,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:10,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:10,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:16:10,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:16:10,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026730716] [2021-03-11 20:16:10,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:10,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 20:16:10,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80219321] [2021-03-11 20:16:10,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 20:16:10,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:10,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 20:16:10,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 20:16:10,116 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 155 [2021-03-11 20:16:10,116 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 17 transitions, 42 flow. Second operand has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:10,116 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:10,116 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 155 [2021-03-11 20:16:10,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:10,130 INFO L129 PetriNetUnfolder]: 0/17 cut-off events. [2021-03-11 20:16:10,131 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:16:10,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 17 events. 0/17 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 19 event pairs, 0 based on Foata normal form. 1/18 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-11 20:16:10,131 INFO L132 encePairwiseOnDemand]: 152/155 looper letters, 1 selfloop transitions, 2 changer transitions 0/17 dead transitions. [2021-03-11 20:16:10,131 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 17 transitions, 48 flow [2021-03-11 20:16:10,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 20:16:10,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 20:16:10,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 394 transitions. [2021-03-11 20:16:10,135 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8473118279569892 [2021-03-11 20:16:10,135 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 394 transitions. [2021-03-11 20:16:10,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 394 transitions. [2021-03-11 20:16:10,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:10,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 394 transitions. [2021-03-11 20:16:10,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:10,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:10,138 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:10,138 INFO L185 Difference]: Start difference. First operand has 25 places, 17 transitions, 42 flow. Second operand 3 states and 394 transitions. [2021-03-11 20:16:10,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 17 transitions, 48 flow [2021-03-11 20:16:10,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 17 transitions, 44 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 20:16:10,139 INFO L241 Difference]: Finished difference. Result has 25 places, 17 transitions, 46 flow [2021-03-11 20:16:10,139 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=46, PETRI_PLACES=25, PETRI_TRANSITIONS=17} [2021-03-11 20:16:10,140 INFO L335 CegarLoopForPetriNet]: 26 programPoint places, -1 predicate places. [2021-03-11 20:16:10,140 INFO L480 AbstractCegarLoop]: Abstraction has has 25 places, 17 transitions, 46 flow [2021-03-11 20:16:10,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:10,140 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:10,140 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:10,140 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 20:16:10,140 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:10,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:10,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1871223611, now seen corresponding path program 1 times [2021-03-11 20:16:10,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:10,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253257688] [2021-03-11 20:16:10,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:10,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:10,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:16:10,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:16:10,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253257688] [2021-03-11 20:16:10,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:10,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 20:16:10,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086776797] [2021-03-11 20:16:10,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 20:16:10,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:10,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 20:16:10,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 20:16:10,246 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 155 [2021-03-11 20:16:10,246 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 17 transitions, 46 flow. Second operand has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:10,247 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:10,247 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 155 [2021-03-11 20:16:10,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:10,261 INFO L129 PetriNetUnfolder]: 0/17 cut-off events. [2021-03-11 20:16:10,261 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-11 20:16:10,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 17 events. 0/17 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 18 event pairs, 0 based on Foata normal form. 1/18 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-11 20:16:10,261 INFO L132 encePairwiseOnDemand]: 152/155 looper letters, 1 selfloop transitions, 2 changer transitions 0/17 dead transitions. [2021-03-11 20:16:10,261 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 17 transitions, 52 flow [2021-03-11 20:16:10,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 20:16:10,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 20:16:10,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 394 transitions. [2021-03-11 20:16:10,263 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8473118279569892 [2021-03-11 20:16:10,263 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 394 transitions. [2021-03-11 20:16:10,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 394 transitions. [2021-03-11 20:16:10,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:10,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 394 transitions. [2021-03-11 20:16:10,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:10,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:10,265 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:10,265 INFO L185 Difference]: Start difference. First operand has 25 places, 17 transitions, 46 flow. Second operand 3 states and 394 transitions. [2021-03-11 20:16:10,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 17 transitions, 52 flow [2021-03-11 20:16:10,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 17 transitions, 48 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 20:16:10,266 INFO L241 Difference]: Finished difference. Result has 26 places, 17 transitions, 50 flow [2021-03-11 20:16:10,266 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=50, PETRI_PLACES=26, PETRI_TRANSITIONS=17} [2021-03-11 20:16:10,266 INFO L335 CegarLoopForPetriNet]: 26 programPoint places, 0 predicate places. [2021-03-11 20:16:10,266 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 17 transitions, 50 flow [2021-03-11 20:16:10,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:10,266 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:10,266 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:10,266 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 20:16:10,267 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:10,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:10,267 INFO L82 PathProgramCache]: Analyzing trace with hash -2121610863, now seen corresponding path program 1 times [2021-03-11 20:16:10,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:10,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299346873] [2021-03-11 20:16:10,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:10,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:10,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 20:16:10,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:10,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 20:16:10,441 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-03-11 20:16:10,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 20:16:10,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:10,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 20:16:10,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:10,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 20:16:10,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:16:10,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299346873] [2021-03-11 20:16:10,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:10,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 20:16:10,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845694531] [2021-03-11 20:16:10,480 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 20:16:10,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:10,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 20:16:10,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-11 20:16:10,482 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 155 [2021-03-11 20:16:10,483 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 17 transitions, 50 flow. Second operand has 7 states, 7 states have (on average 98.85714285714286) internal successors, (692), 7 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:10,483 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:10,483 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 155 [2021-03-11 20:16:10,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:10,577 INFO L129 PetriNetUnfolder]: 35/86 cut-off events. [2021-03-11 20:16:10,577 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-03-11 20:16:10,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 194 conditions, 86 events. 35/86 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 289 event pairs, 12 based on Foata normal form. 1/87 useless extension candidates. Maximal degree in co-relation 183. Up to 60 conditions per place. [2021-03-11 20:16:10,578 INFO L132 encePairwiseOnDemand]: 148/155 looper letters, 12 selfloop transitions, 9 changer transitions 0/29 dead transitions. [2021-03-11 20:16:10,578 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 29 transitions, 120 flow [2021-03-11 20:16:10,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 20:16:10,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-11 20:16:10,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 610 transitions. [2021-03-11 20:16:10,586 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6559139784946236 [2021-03-11 20:16:10,586 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 610 transitions. [2021-03-11 20:16:10,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 610 transitions. [2021-03-11 20:16:10,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:10,586 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 610 transitions. [2021-03-11 20:16:10,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 101.66666666666667) internal successors, (610), 6 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:10,590 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 155.0) internal successors, (1085), 7 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:10,590 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 155.0) internal successors, (1085), 7 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:10,590 INFO L185 Difference]: Start difference. First operand has 26 places, 17 transitions, 50 flow. Second operand 6 states and 610 transitions. [2021-03-11 20:16:10,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 29 transitions, 120 flow [2021-03-11 20:16:10,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 29 transitions, 109 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-11 20:16:10,591 INFO L241 Difference]: Finished difference. Result has 32 places, 25 transitions, 101 flow [2021-03-11 20:16:10,591 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=101, PETRI_PLACES=32, PETRI_TRANSITIONS=25} [2021-03-11 20:16:10,592 INFO L335 CegarLoopForPetriNet]: 26 programPoint places, 6 predicate places. [2021-03-11 20:16:10,592 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 25 transitions, 101 flow [2021-03-11 20:16:10,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 98.85714285714286) internal successors, (692), 7 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:10,592 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:10,592 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:10,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 20:16:10,592 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:10,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:10,593 INFO L82 PathProgramCache]: Analyzing trace with hash -403918717, now seen corresponding path program 1 times [2021-03-11 20:16:10,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:10,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824743460] [2021-03-11 20:16:10,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:10,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:10,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:16:10,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:10,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 20:16:10,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:10,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:16:10,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:16:10,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824743460] [2021-03-11 20:16:10,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:10,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 20:16:10,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898467348] [2021-03-11 20:16:10,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 20:16:10,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:10,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 20:16:10,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 20:16:10,688 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 155 [2021-03-11 20:16:10,688 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 25 transitions, 101 flow. Second operand has 4 states, 4 states have (on average 122.75) internal successors, (491), 4 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:10,688 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:10,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 155 [2021-03-11 20:16:10,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:10,719 INFO L129 PetriNetUnfolder]: 11/49 cut-off events. [2021-03-11 20:16:10,719 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-11 20:16:10,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 49 events. 11/49 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 140 event pairs, 3 based on Foata normal form. 5/52 useless extension candidates. Maximal degree in co-relation 106. Up to 18 conditions per place. [2021-03-11 20:16:10,720 INFO L132 encePairwiseOnDemand]: 150/155 looper letters, 4 selfloop transitions, 5 changer transitions 3/32 dead transitions. [2021-03-11 20:16:10,720 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 32 transitions, 139 flow [2021-03-11 20:16:10,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 20:16:10,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-11 20:16:10,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 624 transitions. [2021-03-11 20:16:10,722 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8051612903225807 [2021-03-11 20:16:10,722 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 624 transitions. [2021-03-11 20:16:10,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 624 transitions. [2021-03-11 20:16:10,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:10,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 624 transitions. [2021-03-11 20:16:10,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 124.8) internal successors, (624), 5 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:10,725 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 155.0) internal successors, (930), 6 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:10,725 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 155.0) internal successors, (930), 6 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:10,725 INFO L185 Difference]: Start difference. First operand has 32 places, 25 transitions, 101 flow. Second operand 5 states and 624 transitions. [2021-03-11 20:16:10,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 32 transitions, 139 flow [2021-03-11 20:16:10,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 32 transitions, 139 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 20:16:10,727 INFO L241 Difference]: Finished difference. Result has 39 places, 29 transitions, 138 flow [2021-03-11 20:16:10,727 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=138, PETRI_PLACES=39, PETRI_TRANSITIONS=29} [2021-03-11 20:16:10,727 INFO L335 CegarLoopForPetriNet]: 26 programPoint places, 13 predicate places. [2021-03-11 20:16:10,727 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 29 transitions, 138 flow [2021-03-11 20:16:10,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 122.75) internal successors, (491), 4 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:10,728 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:10,728 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:10,728 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 20:16:10,728 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:10,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:10,728 INFO L82 PathProgramCache]: Analyzing trace with hash -938642840, now seen corresponding path program 1 times [2021-03-11 20:16:10,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:10,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647673432] [2021-03-11 20:16:10,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:10,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:10,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 20:16:10,867 INFO L142 QuantifierPusher]: treesize reduction 17, result has 78.2 percent of original size [2021-03-11 20:16:10,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-11 20:16:10,893 INFO L142 QuantifierPusher]: treesize reduction 8, result has 71.4 percent of original size [2021-03-11 20:16:10,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 20:16:10,906 INFO L142 QuantifierPusher]: treesize reduction 12, result has 65.7 percent of original size [2021-03-11 20:16:10,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 20:16:10,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:10,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 20:16:10,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:10,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 20:16:10,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:16:10,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647673432] [2021-03-11 20:16:10,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:10,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 20:16:10,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564789041] [2021-03-11 20:16:10,937 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 20:16:10,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:10,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 20:16:10,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-11 20:16:10,938 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 155 [2021-03-11 20:16:10,939 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 29 transitions, 138 flow. Second operand has 7 states, 7 states have (on average 95.0) internal successors, (665), 7 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:10,939 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:10,939 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 155 [2021-03-11 20:16:10,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:11,076 INFO L129 PetriNetUnfolder]: 19/69 cut-off events. [2021-03-11 20:16:11,076 INFO L130 PetriNetUnfolder]: For 51/68 co-relation queries the response was YES. [2021-03-11 20:16:11,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 69 events. 19/69 cut-off events. For 51/68 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 216 event pairs, 11 based on Foata normal form. 16/84 useless extension candidates. Maximal degree in co-relation 206. Up to 39 conditions per place. [2021-03-11 20:16:11,077 INFO L132 encePairwiseOnDemand]: 148/155 looper letters, 8 selfloop transitions, 10 changer transitions 0/30 dead transitions. [2021-03-11 20:16:11,077 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 30 transitions, 180 flow [2021-03-11 20:16:11,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 20:16:11,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 20:16:11,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 677 transitions. [2021-03-11 20:16:11,080 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.623963133640553 [2021-03-11 20:16:11,080 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 677 transitions. [2021-03-11 20:16:11,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 677 transitions. [2021-03-11 20:16:11,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:11,081 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 677 transitions. [2021-03-11 20:16:11,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 96.71428571428571) internal successors, (677), 7 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:11,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:11,087 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:11,087 INFO L185 Difference]: Start difference. First operand has 39 places, 29 transitions, 138 flow. Second operand 7 states and 677 transitions. [2021-03-11 20:16:11,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 30 transitions, 180 flow [2021-03-11 20:16:11,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 30 transitions, 180 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 20:16:11,090 INFO L241 Difference]: Finished difference. Result has 46 places, 29 transitions, 162 flow [2021-03-11 20:16:11,090 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=162, PETRI_PLACES=46, PETRI_TRANSITIONS=29} [2021-03-11 20:16:11,090 INFO L335 CegarLoopForPetriNet]: 26 programPoint places, 20 predicate places. [2021-03-11 20:16:11,090 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 29 transitions, 162 flow [2021-03-11 20:16:11,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 95.0) internal successors, (665), 7 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:11,091 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:11,091 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:11,091 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 20:16:11,091 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:11,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:11,091 INFO L82 PathProgramCache]: Analyzing trace with hash -830697354, now seen corresponding path program 1 times [2021-03-11 20:16:11,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:11,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010465222] [2021-03-11 20:16:11,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:11,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:11,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 20:16:11,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:11,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 20:16:11,195 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-11 20:16:11,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 20:16:11,212 INFO L142 QuantifierPusher]: treesize reduction 50, result has 46.8 percent of original size [2021-03-11 20:16:11,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-11 20:16:11,254 INFO L142 QuantifierPusher]: treesize reduction 41, result has 57.7 percent of original size [2021-03-11 20:16:11,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-11 20:16:11,316 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-03-11 20:16:11,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 20:16:11,339 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-03-11 20:16:11,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 20:16:11,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:16:11,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010465222] [2021-03-11 20:16:11,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:11,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 20:16:11,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991538139] [2021-03-11 20:16:11,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 20:16:11,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:11,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 20:16:11,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-11 20:16:11,341 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 155 [2021-03-11 20:16:11,342 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 29 transitions, 162 flow. Second operand has 8 states, 8 states have (on average 98.0) internal successors, (784), 8 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:11,342 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:11,342 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 155 [2021-03-11 20:16:11,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:11,521 INFO L129 PetriNetUnfolder]: 24/85 cut-off events. [2021-03-11 20:16:11,521 INFO L130 PetriNetUnfolder]: For 75/96 co-relation queries the response was YES. [2021-03-11 20:16:11,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 85 events. 24/85 cut-off events. For 75/96 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 303 event pairs, 1 based on Foata normal form. 19/104 useless extension candidates. Maximal degree in co-relation 265. Up to 44 conditions per place. [2021-03-11 20:16:11,522 INFO L132 encePairwiseOnDemand]: 147/155 looper letters, 14 selfloop transitions, 16 changer transitions 0/42 dead transitions. [2021-03-11 20:16:11,522 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 42 transitions, 271 flow [2021-03-11 20:16:11,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 20:16:11,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-11 20:16:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 997 transitions. [2021-03-11 20:16:11,524 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6432258064516129 [2021-03-11 20:16:11,524 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 997 transitions. [2021-03-11 20:16:11,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 997 transitions. [2021-03-11 20:16:11,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:11,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 997 transitions. [2021-03-11 20:16:11,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 99.7) internal successors, (997), 10 states have internal predecessors, (997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:11,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 155.0) internal successors, (1705), 11 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:11,528 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 155.0) internal successors, (1705), 11 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:11,528 INFO L185 Difference]: Start difference. First operand has 46 places, 29 transitions, 162 flow. Second operand 10 states and 997 transitions. [2021-03-11 20:16:11,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 42 transitions, 271 flow [2021-03-11 20:16:11,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 42 transitions, 245 flow, removed 1 selfloop flow, removed 6 redundant places. [2021-03-11 20:16:11,532 INFO L241 Difference]: Finished difference. Result has 52 places, 39 transitions, 219 flow [2021-03-11 20:16:11,532 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=219, PETRI_PLACES=52, PETRI_TRANSITIONS=39} [2021-03-11 20:16:11,532 INFO L335 CegarLoopForPetriNet]: 26 programPoint places, 26 predicate places. [2021-03-11 20:16:11,532 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 39 transitions, 219 flow [2021-03-11 20:16:11,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 98.0) internal successors, (784), 8 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:11,532 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:11,533 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:11,533 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 20:16:11,533 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:11,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:11,533 INFO L82 PathProgramCache]: Analyzing trace with hash 72245966, now seen corresponding path program 2 times [2021-03-11 20:16:11,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:11,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607811281] [2021-03-11 20:16:11,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:11,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:11,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 20:16:11,670 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.8 percent of original size [2021-03-11 20:16:11,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-11 20:16:11,699 INFO L142 QuantifierPusher]: treesize reduction 12, result has 84.4 percent of original size [2021-03-11 20:16:11,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 20:16:11,746 INFO L142 QuantifierPusher]: treesize reduction 179, result has 44.1 percent of original size [2021-03-11 20:16:11,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-03-11 20:16:11,869 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 42 [2021-03-11 20:16:11,875 INFO L142 QuantifierPusher]: treesize reduction 114, result has 59.0 percent of original size [2021-03-11 20:16:11,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-03-11 20:16:11,987 INFO L142 QuantifierPusher]: treesize reduction 101, result has 43.3 percent of original size [2021-03-11 20:16:11,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-11 20:16:12,036 INFO L142 QuantifierPusher]: treesize reduction 16, result has 57.9 percent of original size [2021-03-11 20:16:12,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 20:16:12,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:16:12,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607811281] [2021-03-11 20:16:12,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:12,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 20:16:12,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634392153] [2021-03-11 20:16:12,059 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 20:16:12,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:12,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 20:16:12,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-11 20:16:12,060 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 155 [2021-03-11 20:16:12,061 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 39 transitions, 219 flow. Second operand has 9 states, 9 states have (on average 93.88888888888889) internal successors, (845), 9 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:12,061 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:12,061 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 155 [2021-03-11 20:16:12,061 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:12,352 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2021-03-11 20:16:12,468 INFO L129 PetriNetUnfolder]: 28/99 cut-off events. [2021-03-11 20:16:12,468 INFO L130 PetriNetUnfolder]: For 130/156 co-relation queries the response was YES. [2021-03-11 20:16:12,469 INFO L84 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 99 events. 28/99 cut-off events. For 130/156 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 388 event pairs, 3 based on Foata normal form. 24/121 useless extension candidates. Maximal degree in co-relation 338. Up to 48 conditions per place. [2021-03-11 20:16:12,469 INFO L132 encePairwiseOnDemand]: 147/155 looper letters, 17 selfloop transitions, 22 changer transitions 0/51 dead transitions. [2021-03-11 20:16:12,470 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 51 transitions, 363 flow [2021-03-11 20:16:12,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 20:16:12,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-11 20:16:12,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 960 transitions. [2021-03-11 20:16:12,474 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6193548387096774 [2021-03-11 20:16:12,475 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 960 transitions. [2021-03-11 20:16:12,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 960 transitions. [2021-03-11 20:16:12,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:12,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 960 transitions. [2021-03-11 20:16:12,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 96.0) internal successors, (960), 10 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:12,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 155.0) internal successors, (1705), 11 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:12,478 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 155.0) internal successors, (1705), 11 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:12,479 INFO L185 Difference]: Start difference. First operand has 52 places, 39 transitions, 219 flow. Second operand 10 states and 960 transitions. [2021-03-11 20:16:12,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 51 transitions, 363 flow [2021-03-11 20:16:12,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 51 transitions, 335 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-03-11 20:16:12,480 INFO L241 Difference]: Finished difference. Result has 60 places, 47 transitions, 303 flow [2021-03-11 20:16:12,481 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=303, PETRI_PLACES=60, PETRI_TRANSITIONS=47} [2021-03-11 20:16:12,481 INFO L335 CegarLoopForPetriNet]: 26 programPoint places, 34 predicate places. [2021-03-11 20:16:12,481 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 47 transitions, 303 flow [2021-03-11 20:16:12,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 93.88888888888889) internal successors, (845), 9 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:12,481 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:12,481 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:12,481 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 20:16:12,481 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:12,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:12,482 INFO L82 PathProgramCache]: Analyzing trace with hash 966843488, now seen corresponding path program 3 times [2021-03-11 20:16:12,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:12,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834459088] [2021-03-11 20:16:12,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:12,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:12,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:16:12,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:12,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:16:12,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:12,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 20:16:12,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:12,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:16:12,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:16:12,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834459088] [2021-03-11 20:16:12,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:12,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 20:16:12,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025472459] [2021-03-11 20:16:12,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 20:16:12,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:12,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 20:16:12,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-11 20:16:12,557 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 155 [2021-03-11 20:16:12,557 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 47 transitions, 303 flow. Second operand has 5 states, 5 states have (on average 122.8) internal successors, (614), 5 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:12,557 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:12,557 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 155 [2021-03-11 20:16:12,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:12,600 INFO L129 PetriNetUnfolder]: 15/71 cut-off events. [2021-03-11 20:16:12,600 INFO L130 PetriNetUnfolder]: For 79/99 co-relation queries the response was YES. [2021-03-11 20:16:12,600 INFO L84 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 71 events. 15/71 cut-off events. For 79/99 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 243 event pairs, 0 based on Foata normal form. 27/98 useless extension candidates. Maximal degree in co-relation 236. Up to 18 conditions per place. [2021-03-11 20:16:12,601 INFO L132 encePairwiseOnDemand]: 150/155 looper letters, 2 selfloop transitions, 8 changer transitions 2/50 dead transitions. [2021-03-11 20:16:12,601 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 50 transitions, 341 flow [2021-03-11 20:16:12,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 20:16:12,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 20:16:12,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 868 transitions. [2021-03-11 20:16:12,603 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8 [2021-03-11 20:16:12,603 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 868 transitions. [2021-03-11 20:16:12,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 868 transitions. [2021-03-11 20:16:12,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:12,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 868 transitions. [2021-03-11 20:16:12,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:12,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:12,606 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:12,606 INFO L185 Difference]: Start difference. First operand has 60 places, 47 transitions, 303 flow. Second operand 7 states and 868 transitions. [2021-03-11 20:16:12,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 50 transitions, 341 flow [2021-03-11 20:16:12,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 50 transitions, 290 flow, removed 15 selfloop flow, removed 7 redundant places. [2021-03-11 20:16:12,610 INFO L241 Difference]: Finished difference. Result has 62 places, 48 transitions, 285 flow [2021-03-11 20:16:12,610 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=285, PETRI_PLACES=62, PETRI_TRANSITIONS=48} [2021-03-11 20:16:12,610 INFO L335 CegarLoopForPetriNet]: 26 programPoint places, 36 predicate places. [2021-03-11 20:16:12,610 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 48 transitions, 285 flow [2021-03-11 20:16:12,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 122.8) internal successors, (614), 5 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:12,610 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:12,610 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:12,610 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 20:16:12,610 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:12,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:12,612 INFO L82 PathProgramCache]: Analyzing trace with hash 956831827, now seen corresponding path program 1 times [2021-03-11 20:16:12,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:12,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451250395] [2021-03-11 20:16:12,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:12,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:12,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:16:12,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:12,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:16:12,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:16:12,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451250395] [2021-03-11 20:16:12,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:12,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 20:16:12,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565217681] [2021-03-11 20:16:12,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 20:16:12,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:12,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 20:16:12,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 20:16:12,662 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 155 [2021-03-11 20:16:12,663 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 48 transitions, 285 flow. Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:12,663 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:12,663 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 155 [2021-03-11 20:16:12,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:12,684 INFO L129 PetriNetUnfolder]: 18/100 cut-off events. [2021-03-11 20:16:12,684 INFO L130 PetriNetUnfolder]: For 123/125 co-relation queries the response was YES. [2021-03-11 20:16:12,684 INFO L84 FinitePrefix]: Finished finitePrefix Result has 357 conditions, 100 events. 18/100 cut-off events. For 123/125 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 442 event pairs, 0 based on Foata normal form. 1/101 useless extension candidates. Maximal degree in co-relation 331. Up to 28 conditions per place. [2021-03-11 20:16:12,685 INFO L132 encePairwiseOnDemand]: 152/155 looper letters, 2 selfloop transitions, 2 changer transitions 17/49 dead transitions. [2021-03-11 20:16:12,685 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 49 transitions, 297 flow [2021-03-11 20:16:12,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 20:16:12,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 20:16:12,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 390 transitions. [2021-03-11 20:16:12,686 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8387096774193549 [2021-03-11 20:16:12,686 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 390 transitions. [2021-03-11 20:16:12,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 390 transitions. [2021-03-11 20:16:12,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:12,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 390 transitions. [2021-03-11 20:16:12,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:12,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:12,688 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:12,688 INFO L185 Difference]: Start difference. First operand has 62 places, 48 transitions, 285 flow. Second operand 3 states and 390 transitions. [2021-03-11 20:16:12,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 49 transitions, 297 flow [2021-03-11 20:16:12,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 49 transitions, 272 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-11 20:16:12,690 INFO L241 Difference]: Finished difference. Result has 58 places, 32 transitions, 181 flow [2021-03-11 20:16:12,691 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=181, PETRI_PLACES=58, PETRI_TRANSITIONS=32} [2021-03-11 20:16:12,691 INFO L335 CegarLoopForPetriNet]: 26 programPoint places, 32 predicate places. [2021-03-11 20:16:12,691 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 32 transitions, 181 flow [2021-03-11 20:16:12,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:12,691 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:12,691 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:12,691 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 20:16:12,692 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:12,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:12,692 INFO L82 PathProgramCache]: Analyzing trace with hash 598392233, now seen corresponding path program 2 times [2021-03-11 20:16:12,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:12,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632695113] [2021-03-11 20:16:12,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:12,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:12,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 20:16:12,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:12,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 20:16:12,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:12,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 20:16:12,802 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-11 20:16:12,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 20:16:12,819 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.3 percent of original size [2021-03-11 20:16:12,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-11 20:16:12,873 INFO L142 QuantifierPusher]: treesize reduction 23, result has 72.0 percent of original size [2021-03-11 20:16:12,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-11 20:16:12,926 INFO L142 QuantifierPusher]: treesize reduction 16, result has 56.8 percent of original size [2021-03-11 20:16:12,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 20:16:12,942 INFO L142 QuantifierPusher]: treesize reduction 16, result has 56.8 percent of original size [2021-03-11 20:16:12,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 20:16:12,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:16:12,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632695113] [2021-03-11 20:16:12,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:12,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 20:16:12,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847772454] [2021-03-11 20:16:12,943 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 20:16:12,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:12,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 20:16:12,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-11 20:16:12,944 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 155 [2021-03-11 20:16:12,945 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 32 transitions, 181 flow. Second operand has 9 states, 9 states have (on average 94.0) internal successors, (846), 9 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:12,945 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:12,945 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 155 [2021-03-11 20:16:12,945 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:13,056 INFO L129 PetriNetUnfolder]: 5/46 cut-off events. [2021-03-11 20:16:13,056 INFO L130 PetriNetUnfolder]: For 59/80 co-relation queries the response was YES. [2021-03-11 20:16:13,056 INFO L84 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 46 events. 5/46 cut-off events. For 59/80 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 106 event pairs, 0 based on Foata normal form. 13/59 useless extension candidates. Maximal degree in co-relation 152. Up to 12 conditions per place. [2021-03-11 20:16:13,056 INFO L132 encePairwiseOnDemand]: 147/155 looper letters, 5 selfloop transitions, 10 changer transitions 6/34 dead transitions. [2021-03-11 20:16:13,056 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 34 transitions, 237 flow [2021-03-11 20:16:13,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 20:16:13,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-11 20:16:13,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 762 transitions. [2021-03-11 20:16:13,058 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.614516129032258 [2021-03-11 20:16:13,058 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 762 transitions. [2021-03-11 20:16:13,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 762 transitions. [2021-03-11 20:16:13,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:13,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 762 transitions. [2021-03-11 20:16:13,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 95.25) internal successors, (762), 8 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) [2021-03-11 20:16:13,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 155.0) internal successors, (1395), 9 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:13,061 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 155.0) internal successors, (1395), 9 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:13,061 INFO L185 Difference]: Start difference. First operand has 58 places, 32 transitions, 181 flow. Second operand 8 states and 762 transitions. [2021-03-11 20:16:13,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 34 transitions, 237 flow [2021-03-11 20:16:13,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 34 transitions, 212 flow, removed 7 selfloop flow, removed 7 redundant places. [2021-03-11 20:16:13,062 INFO L241 Difference]: Finished difference. Result has 53 places, 28 transitions, 166 flow [2021-03-11 20:16:13,063 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=166, PETRI_PLACES=53, PETRI_TRANSITIONS=28} [2021-03-11 20:16:13,063 INFO L335 CegarLoopForPetriNet]: 26 programPoint places, 27 predicate places. [2021-03-11 20:16:13,063 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 28 transitions, 166 flow [2021-03-11 20:16:13,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 94.0) internal successors, (846), 9 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:13,063 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:13,063 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:13,063 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-11 20:16:13,063 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:13,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:13,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1659907105, now seen corresponding path program 3 times [2021-03-11 20:16:13,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:13,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814509604] [2021-03-11 20:16:13,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:13,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:13,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 20:16:13,155 INFO L142 QuantifierPusher]: treesize reduction 10, result has 70.6 percent of original size [2021-03-11 20:16:13,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 20:16:13,172 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-11 20:16:13,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 20:16:13,187 INFO L142 QuantifierPusher]: treesize reduction 25, result has 64.3 percent of original size [2021-03-11 20:16:13,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-11 20:16:13,222 INFO L142 QuantifierPusher]: treesize reduction 42, result has 67.9 percent of original size [2021-03-11 20:16:13,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-11 20:16:13,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:13,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 20:16:13,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:13,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 20:16:13,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:16:13,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814509604] [2021-03-11 20:16:13,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:13,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 20:16:13,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901956562] [2021-03-11 20:16:13,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 20:16:13,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:13,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 20:16:13,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-11 20:16:13,321 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 155 [2021-03-11 20:16:13,321 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 28 transitions, 166 flow. Second operand has 8 states, 8 states have (on average 97.125) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:13,321 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:13,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 155 [2021-03-11 20:16:13,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:13,599 INFO L129 PetriNetUnfolder]: 4/44 cut-off events. [2021-03-11 20:16:13,599 INFO L130 PetriNetUnfolder]: For 51/65 co-relation queries the response was YES. [2021-03-11 20:16:13,599 INFO L84 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 44 events. 4/44 cut-off events. For 51/65 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 111 event pairs, 0 based on Foata normal form. 12/56 useless extension candidates. Maximal degree in co-relation 144. Up to 13 conditions per place. [2021-03-11 20:16:13,599 INFO L132 encePairwiseOnDemand]: 148/155 looper letters, 5 selfloop transitions, 8 changer transitions 6/31 dead transitions. [2021-03-11 20:16:13,599 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 31 transitions, 218 flow [2021-03-11 20:16:13,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 20:16:13,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-11 20:16:13,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 784 transitions. [2021-03-11 20:16:13,601 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.632258064516129 [2021-03-11 20:16:13,601 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 784 transitions. [2021-03-11 20:16:13,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 784 transitions. [2021-03-11 20:16:13,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:13,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 784 transitions. [2021-03-11 20:16:13,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 98.0) internal successors, (784), 8 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:13,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 155.0) internal successors, (1395), 9 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:13,604 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 155.0) internal successors, (1395), 9 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:13,604 INFO L185 Difference]: Start difference. First operand has 53 places, 28 transitions, 166 flow. Second operand 8 states and 784 transitions. [2021-03-11 20:16:13,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 31 transitions, 218 flow [2021-03-11 20:16:13,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 31 transitions, 171 flow, removed 3 selfloop flow, removed 14 redundant places. [2021-03-11 20:16:13,605 INFO L241 Difference]: Finished difference. Result has 47 places, 25 transitions, 132 flow [2021-03-11 20:16:13,605 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=132, PETRI_PLACES=47, PETRI_TRANSITIONS=25} [2021-03-11 20:16:13,606 INFO L335 CegarLoopForPetriNet]: 26 programPoint places, 21 predicate places. [2021-03-11 20:16:13,606 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 25 transitions, 132 flow [2021-03-11 20:16:13,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 97.125) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:13,606 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:13,606 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:13,606 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-11 20:16:13,606 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:13,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:13,606 INFO L82 PathProgramCache]: Analyzing trace with hash -240634259, now seen corresponding path program 4 times [2021-03-11 20:16:13,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:13,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152318851] [2021-03-11 20:16:13,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:13,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:13,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 20:16:13,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:13,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 20:16:13,737 INFO L142 QuantifierPusher]: treesize reduction 12, result has 84.4 percent of original size [2021-03-11 20:16:13,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 20:16:13,766 INFO L142 QuantifierPusher]: treesize reduction 116, result has 37.3 percent of original size [2021-03-11 20:16:13,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-11 20:16:13,832 INFO L142 QuantifierPusher]: treesize reduction 76, result has 44.1 percent of original size [2021-03-11 20:16:13,833 INFO L147 QuantifierPusher]: treesize reduction 7, result has 88.3 percent of original size 53 [2021-03-11 20:16:13,889 INFO L142 QuantifierPusher]: treesize reduction 117, result has 22.5 percent of original size [2021-03-11 20:16:13,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-11 20:16:13,913 INFO L142 QuantifierPusher]: treesize reduction 117, result has 20.9 percent of original size [2021-03-11 20:16:13,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 20:16:13,934 INFO L142 QuantifierPusher]: treesize reduction 17, result has 57.5 percent of original size [2021-03-11 20:16:13,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 20:16:13,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:16:13,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152318851] [2021-03-11 20:16:13,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:13,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 20:16:13,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940860841] [2021-03-11 20:16:13,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-11 20:16:13,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:13,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-11 20:16:13,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-11 20:16:13,962 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 155 [2021-03-11 20:16:13,962 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 25 transitions, 132 flow. Second operand has 10 states, 10 states have (on average 92.9) internal successors, (929), 10 states have internal predecessors, (929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:13,962 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:13,962 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 155 [2021-03-11 20:16:13,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:14,238 INFO L129 PetriNetUnfolder]: 3/34 cut-off events. [2021-03-11 20:16:14,238 INFO L130 PetriNetUnfolder]: For 37/47 co-relation queries the response was YES. [2021-03-11 20:16:14,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 34 events. 3/34 cut-off events. For 37/47 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 52 event pairs, 0 based on Foata normal form. 9/43 useless extension candidates. Maximal degree in co-relation 103. Up to 11 conditions per place. [2021-03-11 20:16:14,238 INFO L132 encePairwiseOnDemand]: 148/155 looper letters, 5 selfloop transitions, 6 changer transitions 4/26 dead transitions. [2021-03-11 20:16:14,238 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 26 transitions, 166 flow [2021-03-11 20:16:14,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 20:16:14,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-11 20:16:14,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 750 transitions. [2021-03-11 20:16:14,240 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6048387096774194 [2021-03-11 20:16:14,240 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 750 transitions. [2021-03-11 20:16:14,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 750 transitions. [2021-03-11 20:16:14,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:14,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 750 transitions. [2021-03-11 20:16:14,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 93.75) internal successors, (750), 8 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:14,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 155.0) internal successors, (1395), 9 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:14,243 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 155.0) internal successors, (1395), 9 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:14,243 INFO L185 Difference]: Start difference. First operand has 47 places, 25 transitions, 132 flow. Second operand 8 states and 750 transitions. [2021-03-11 20:16:14,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 26 transitions, 166 flow [2021-03-11 20:16:14,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 26 transitions, 135 flow, removed 2 selfloop flow, removed 10 redundant places. [2021-03-11 20:16:14,244 INFO L241 Difference]: Finished difference. Result has 43 places, 22 transitions, 102 flow [2021-03-11 20:16:14,244 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=102, PETRI_PLACES=43, PETRI_TRANSITIONS=22} [2021-03-11 20:16:14,244 INFO L335 CegarLoopForPetriNet]: 26 programPoint places, 17 predicate places. [2021-03-11 20:16:14,244 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 22 transitions, 102 flow [2021-03-11 20:16:14,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 92.9) internal successors, (929), 10 states have internal predecessors, (929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:14,244 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:14,244 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:14,245 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-11 20:16:14,245 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:14,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:14,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1541961491, now seen corresponding path program 5 times [2021-03-11 20:16:14,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:14,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854404564] [2021-03-11 20:16:14,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:14,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:14,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 20:16:14,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:14,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 20:16:14,353 INFO L142 QuantifierPusher]: treesize reduction 12, result has 84.4 percent of original size [2021-03-11 20:16:14,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-11 20:16:14,388 INFO L142 QuantifierPusher]: treesize reduction 105, result has 61.1 percent of original size [2021-03-11 20:16:14,391 INFO L147 QuantifierPusher]: treesize reduction 20, result has 87.9 percent of original size 145 [2021-03-11 20:16:14,485 INFO L142 QuantifierPusher]: treesize reduction 67, result has 66.2 percent of original size [2021-03-11 20:16:14,487 INFO L147 QuantifierPusher]: treesize reduction 10, result has 92.4 percent of original size 121 [2021-03-11 20:16:14,613 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 43 [2021-03-11 20:16:14,616 INFO L142 QuantifierPusher]: treesize reduction 208, result has 41.2 percent of original size [2021-03-11 20:16:14,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-03-11 20:16:14,710 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-03-11 20:16:14,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 20:16:14,734 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-03-11 20:16:14,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 20:16:14,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:16:14,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854404564] [2021-03-11 20:16:14,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:14,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 20:16:14,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421221447] [2021-03-11 20:16:14,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 20:16:14,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:14,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 20:16:14,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-11 20:16:14,741 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 155 [2021-03-11 20:16:14,741 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 22 transitions, 102 flow. Second operand has 9 states, 9 states have (on average 94.0) internal successors, (846), 9 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:14,741 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:14,741 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 155 [2021-03-11 20:16:14,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:15,047 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2021-03-11 20:16:15,216 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2021-03-11 20:16:15,251 INFO L129 PetriNetUnfolder]: 2/29 cut-off events. [2021-03-11 20:16:15,251 INFO L130 PetriNetUnfolder]: For 31/39 co-relation queries the response was YES. [2021-03-11 20:16:15,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 29 events. 2/29 cut-off events. For 31/39 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 0 based on Foata normal form. 9/38 useless extension candidates. Maximal degree in co-relation 82. Up to 8 conditions per place. [2021-03-11 20:16:15,251 INFO L132 encePairwiseOnDemand]: 147/155 looper letters, 3 selfloop transitions, 6 changer transitions 5/24 dead transitions. [2021-03-11 20:16:15,251 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 24 transitions, 138 flow [2021-03-11 20:16:15,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 20:16:15,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-11 20:16:15,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 758 transitions. [2021-03-11 20:16:15,253 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6112903225806452 [2021-03-11 20:16:15,253 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 758 transitions. [2021-03-11 20:16:15,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 758 transitions. [2021-03-11 20:16:15,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:15,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 758 transitions. [2021-03-11 20:16:15,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 94.75) internal successors, (758), 8 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:15,256 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 155.0) internal successors, (1395), 9 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:15,256 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 155.0) internal successors, (1395), 9 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:15,256 INFO L185 Difference]: Start difference. First operand has 43 places, 22 transitions, 102 flow. Second operand 8 states and 758 transitions. [2021-03-11 20:16:15,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 24 transitions, 138 flow [2021-03-11 20:16:15,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 24 transitions, 120 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-03-11 20:16:15,257 INFO L241 Difference]: Finished difference. Result has 41 places, 19 transitions, 90 flow [2021-03-11 20:16:15,257 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=90, PETRI_PLACES=41, PETRI_TRANSITIONS=19} [2021-03-11 20:16:15,257 INFO L335 CegarLoopForPetriNet]: 26 programPoint places, 15 predicate places. [2021-03-11 20:16:15,257 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 19 transitions, 90 flow [2021-03-11 20:16:15,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 94.0) internal successors, (846), 9 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:15,258 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:15,258 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:15,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-11 20:16:15,258 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:15,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:15,258 INFO L82 PathProgramCache]: Analyzing trace with hash -239444967, now seen corresponding path program 6 times [2021-03-11 20:16:15,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:15,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564265287] [2021-03-11 20:16:15,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:15,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:15,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 20:16:15,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:15,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 20:16:15,339 INFO L142 QuantifierPusher]: treesize reduction 45, result has 60.2 percent of original size [2021-03-11 20:16:15,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-11 20:16:15,377 INFO L142 QuantifierPusher]: treesize reduction 47, result has 64.4 percent of original size [2021-03-11 20:16:15,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-11 20:16:15,486 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2021-03-11 20:16:15,488 INFO L142 QuantifierPusher]: treesize reduction 42, result has 70.2 percent of original size [2021-03-11 20:16:15,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-03-11 20:16:15,543 INFO L142 QuantifierPusher]: treesize reduction 56, result has 63.4 percent of original size [2021-03-11 20:16:15,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-11 20:16:15,598 INFO L142 QuantifierPusher]: treesize reduction 47, result has 46.0 percent of original size [2021-03-11 20:16:15,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-11 20:16:15,634 INFO L142 QuantifierPusher]: treesize reduction 47, result has 44.0 percent of original size [2021-03-11 20:16:15,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-11 20:16:15,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:16:15,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564265287] [2021-03-11 20:16:15,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:15,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 20:16:15,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334846165] [2021-03-11 20:16:15,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-11 20:16:15,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:15,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-11 20:16:15,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-03-11 20:16:15,660 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 155 [2021-03-11 20:16:15,661 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 19 transitions, 90 flow. Second operand has 10 states, 10 states have (on average 93.9) internal successors, (939), 10 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:15,661 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:15,661 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 155 [2021-03-11 20:16:15,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:15,745 INFO L129 PetriNetUnfolder]: 1/18 cut-off events. [2021-03-11 20:16:15,745 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-11 20:16:15,745 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 18 events. 1/18 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 1/19 useless extension candidates. Maximal degree in co-relation 53. Up to 4 conditions per place. [2021-03-11 20:16:15,745 INFO L132 encePairwiseOnDemand]: 148/155 looper letters, 0 selfloop transitions, 0 changer transitions 18/18 dead transitions. [2021-03-11 20:16:15,745 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 18 transitions, 102 flow [2021-03-11 20:16:15,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 20:16:15,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-11 20:16:15,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 753 transitions. [2021-03-11 20:16:15,747 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6072580645161291 [2021-03-11 20:16:15,747 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 753 transitions. [2021-03-11 20:16:15,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 753 transitions. [2021-03-11 20:16:15,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:15,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 753 transitions. [2021-03-11 20:16:15,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 94.125) internal successors, (753), 8 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:15,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 155.0) internal successors, (1395), 9 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:15,749 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 155.0) internal successors, (1395), 9 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:15,750 INFO L185 Difference]: Start difference. First operand has 41 places, 19 transitions, 90 flow. Second operand 8 states and 753 transitions. [2021-03-11 20:16:15,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 18 transitions, 102 flow [2021-03-11 20:16:15,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 18 transitions, 80 flow, removed 2 selfloop flow, removed 10 redundant places. [2021-03-11 20:16:15,750 INFO L241 Difference]: Finished difference. Result has 35 places, 0 transitions, 0 flow [2021-03-11 20:16:15,750 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=35, PETRI_TRANSITIONS=0} [2021-03-11 20:16:15,750 INFO L335 CegarLoopForPetriNet]: 26 programPoint places, 9 predicate places. [2021-03-11 20:16:15,750 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 0 transitions, 0 flow [2021-03-11 20:16:15,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 93.9) internal successors, (939), 10 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:15,751 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-11 20:16:15,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 08:16:15 BasicIcfg [2021-03-11 20:16:15,753 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 20:16:15,755 INFO L168 Benchmark]: Toolchain (without parser) took 23271.64 ms. Allocated memory was 255.9 MB in the beginning and 752.9 MB in the end (delta: 497.0 MB). Free memory was 234.2 MB in the beginning and 640.8 MB in the end (delta: -406.6 MB). Peak memory consumption was 90.7 MB. Max. memory is 16.0 GB. [2021-03-11 20:16:15,755 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.7 MB in the end (delta: 160.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 20:16:15,755 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.99 ms. Allocated memory was 255.9 MB in the beginning and 343.9 MB in the end (delta: 88.1 MB). Free memory was 233.6 MB in the beginning and 302.1 MB in the end (delta: -68.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-03-11 20:16:15,755 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.99 ms. Allocated memory is still 343.9 MB. Free memory was 302.1 MB in the beginning and 297.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-11 20:16:15,756 INFO L168 Benchmark]: Boogie Preprocessor took 41.95 ms. Allocated memory is still 343.9 MB. Free memory was 297.9 MB in the beginning and 295.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-11 20:16:15,756 INFO L168 Benchmark]: RCFGBuilder took 2209.84 ms. Allocated memory was 343.9 MB in the beginning and 434.1 MB in the end (delta: 90.2 MB). Free memory was 295.1 MB in the beginning and 311.0 MB in the end (delta: -15.9 MB). Peak memory consumption was 87.6 MB. Max. memory is 16.0 GB. [2021-03-11 20:16:15,756 INFO L168 Benchmark]: TraceAbstraction took 20550.59 ms. Allocated memory was 434.1 MB in the beginning and 752.9 MB in the end (delta: 318.8 MB). Free memory was 310.0 MB in the beginning and 640.8 MB in the end (delta: -330.8 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 20:16:15,757 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 255.9 MB. Free memory was 237.8 MB in the beginning and 237.7 MB in the end (delta: 160.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 390.99 ms. Allocated memory was 255.9 MB in the beginning and 343.9 MB in the end (delta: 88.1 MB). Free memory was 233.6 MB in the beginning and 302.1 MB in the end (delta: -68.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 69.99 ms. Allocated memory is still 343.9 MB. Free memory was 302.1 MB in the beginning and 297.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 41.95 ms. Allocated memory is still 343.9 MB. Free memory was 297.9 MB in the beginning and 295.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2209.84 ms. Allocated memory was 343.9 MB in the beginning and 434.1 MB in the end (delta: 90.2 MB). Free memory was 295.1 MB in the beginning and 311.0 MB in the end (delta: -15.9 MB). Peak memory consumption was 87.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 20550.59 ms. Allocated memory was 434.1 MB in the beginning and 752.9 MB in the end (delta: 318.8 MB). Free memory was 310.0 MB in the beginning and 640.8 MB in the end (delta: -330.8 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14251.3ms, 86 PlacesBefore, 26 PlacesAfterwards, 81 TransitionsBefore, 20 TransitionsAfterwards, 1046 CoEnabledTransitionPairs, 7 FixpointIterations, 33 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 72 TotalNumberOfCompositions, 3401 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1248, positive: 1069, positive conditional: 0, positive unconditional: 1069, negative: 179, negative conditional: 0, negative unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 837, positive: 750, positive conditional: 0, positive unconditional: 750, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 837, positive: 714, positive conditional: 0, positive unconditional: 714, negative: 123, negative conditional: 0, negative unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 123, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2444, positive: 177, positive conditional: 0, positive unconditional: 177, negative: 2267, negative conditional: 0, negative unconditional: 2267, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1248, positive: 319, positive conditional: 0, positive unconditional: 319, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 837, unknown conditional: 0, unknown unconditional: 837] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 50, Positive conditional cache size: 0, Positive unconditional cache size: 50, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 82 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 20450.1ms, OverallIterations: 15, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2478.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14325.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 58 SDtfs, 12 SDslu, 9 SDs, 0 SdLazy, 632 SolverSat, 108 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 796.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2940.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=303occurred in iteration=8, InterpolantAutomatonStates: 97, 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: 47.5ms SsaConstructionTime, 538.3ms SatisfiabilityAnalysisTime, 2812.0ms InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 188 ConstructedInterpolants, 0 QuantifiedInterpolants, 3118 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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 correct! Received shutdown request...