/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/rfi002_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 20:16:13,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 20:16:13,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 20:16:13,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 20:16:13,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 20:16:13,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 20:16:13,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 20:16:13,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 20:16:13,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 20:16:13,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 20:16:13,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 20:16:13,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 20:16:13,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 20:16:13,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 20:16:13,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 20:16:13,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 20:16:13,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 20:16:13,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 20:16:13,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 20:16:13,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 20:16:13,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 20:16:13,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 20:16:13,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 20:16:13,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 20:16:13,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 20:16:13,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 20:16:13,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 20:16:13,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 20:16:13,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 20:16:13,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 20:16:13,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 20:16:13,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 20:16:13,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 20:16:13,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 20:16:13,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 20:16:13,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 20:16:13,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 20:16:13,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 20:16:13,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 20:16:13,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 20:16:13,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 20:16:13,435 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 20:16:13,466 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 20:16:13,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 20:16:13,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 20:16:13,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 20:16:13,471 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 20:16:13,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 20:16:13,471 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 20:16:13,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 20:16:13,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 20:16:13,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 20:16:13,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 20:16:13,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 20:16:13,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 20:16:13,473 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 20:16:13,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 20:16:13,473 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 20:16:13,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 20:16:13,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 20:16:13,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 20:16:13,473 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 20:16:13,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 20:16:13,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 20:16:13,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 20:16:13,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 20:16:13,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 20:16:13,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 20:16:13,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 20:16:13,474 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 20:16:13,475 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 20:16:13,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 20:16:13,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 20:16:13,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 20:16:13,790 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 20:16:13,790 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 20:16:13,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi002_power.opt.i [2021-03-11 20:16:13,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4253dcb9/eb8792bee5b7402abd4b3fa4bd4836fb/FLAG90acc5a7d [2021-03-11 20:16:14,312 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 20:16:14,313 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_power.opt.i [2021-03-11 20:16:14,338 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4253dcb9/eb8792bee5b7402abd4b3fa4bd4836fb/FLAG90acc5a7d [2021-03-11 20:16:14,658 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4253dcb9/eb8792bee5b7402abd4b3fa4bd4836fb [2021-03-11 20:16:14,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 20:16:14,674 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 20:16:14,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 20:16:14,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 20:16:14,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 20:16:14,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 08:16:14" (1/1) ... [2021-03-11 20:16:14,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7288c8a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:16:14, skipping insertion in model container [2021-03-11 20:16:14,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 08:16:14" (1/1) ... [2021-03-11 20:16:14,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 20:16:14,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 20:16:14,845 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/rfi002_power.opt.i[993,1006] [2021-03-11 20:16:15,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 20:16:15,070 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 20:16:15,085 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/rfi002_power.opt.i[993,1006] [2021-03-11 20:16:15,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 20:16:15,190 INFO L208 MainTranslator]: Completed translation [2021-03-11 20:16:15,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:16:15 WrapperNode [2021-03-11 20:16:15,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 20:16:15,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 20:16:15,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 20:16:15,192 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 20:16:15,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:16:15" (1/1) ... [2021-03-11 20:16:15,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:16:15" (1/1) ... [2021-03-11 20:16:15,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 20:16:15,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 20:16:15,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 20:16:15,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 20:16:15,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:16:15" (1/1) ... [2021-03-11 20:16:15,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:16:15" (1/1) ... [2021-03-11 20:16:15,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:16:15" (1/1) ... [2021-03-11 20:16:15,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:16:15" (1/1) ... [2021-03-11 20:16:15,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:16:15" (1/1) ... [2021-03-11 20:16:15,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:16:15" (1/1) ... [2021-03-11 20:16:15,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:16:15" (1/1) ... [2021-03-11 20:16:15,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 20:16:15,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 20:16:15,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 20:16:15,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 20:16:15,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:16:15" (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 20:16:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 20:16:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-11 20:16:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 20:16:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 20:16:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-11 20:16:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-11 20:16:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-11 20:16:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-11 20:16:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 20:16:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-11 20:16:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 20:16:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 20:16:15,383 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 20:16:18,017 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 20:16:18,018 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-11 20:16:18,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 08:16:18 BoogieIcfgContainer [2021-03-11 20:16:18,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 20:16:18,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 20:16:18,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 20:16:18,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 20:16:18,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 08:16:14" (1/3) ... [2021-03-11 20:16:18,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a2c52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 08:16:18, skipping insertion in model container [2021-03-11 20:16:18,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:16:15" (2/3) ... [2021-03-11 20:16:18,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a2c52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 08:16:18, skipping insertion in model container [2021-03-11 20:16:18,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 08:16:18" (3/3) ... [2021-03-11 20:16:18,027 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi002_power.opt.i [2021-03-11 20:16:18,032 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 20:16:18,035 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-11 20:16:18,036 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 20:16:18,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,083 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,083 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,083 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,083 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,089 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,094 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,100 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,102 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,102 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,102 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,102 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,103 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,111 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,111 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,111 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,113 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,113 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,113 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,114 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,114 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,114 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,114 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,115 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,119 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,119 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,121 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,132 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,132 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,133 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,134 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,147 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,147 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,148 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,148 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,148 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,148 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,148 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,148 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,148 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,149 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,154 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,154 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,155 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:16:18,157 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-11 20:16:18,171 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-11 20:16:18,198 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 20:16:18,198 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 20:16:18,198 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 20:16:18,198 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 20:16:18,198 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 20:16:18,198 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 20:16:18,198 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 20:16:18,198 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 20:16:18,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 85 transitions, 180 flow [2021-03-11 20:16:18,247 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-03-11 20:16:18,247 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:16:18,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-03-11 20:16:18,263 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 85 transitions, 180 flow [2021-03-11 20:16:18,266 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 83 transitions, 172 flow [2021-03-11 20:16:18,269 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 20:16:18,279 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 83 transitions, 172 flow [2021-03-11 20:16:18,280 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 83 transitions, 172 flow [2021-03-11 20:16:18,281 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 83 transitions, 172 flow [2021-03-11 20:16:18,304 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-03-11 20:16:18,304 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:16:18,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-03-11 20:16:18,307 INFO L116 LiptonReduction]: Number of co-enabled transitions 1124 [2021-03-11 20:16:19,487 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-11 20:16:19,843 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-11 20:16:19,954 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-11 20:16:20,315 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-11 20:16:20,534 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-11 20:16:20,683 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-11 20:16:21,970 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-03-11 20:16:23,014 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-03-11 20:16:23,141 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-11 20:16:23,422 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-03-11 20:16:23,596 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-11 20:16:23,600 INFO L131 LiptonReduction]: Checked pairs total: 2940 [2021-03-11 20:16:23,600 INFO L133 LiptonReduction]: Total number of compositions: 74 [2021-03-11 20:16:23,601 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5334 [2021-03-11 20:16:23,615 INFO L129 PetriNetUnfolder]: 0/6 cut-off events. [2021-03-11 20:16:23,615 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:16:23,615 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:23,616 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-03-11 20:16:23,616 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:23,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:23,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1599977982, now seen corresponding path program 1 times [2021-03-11 20:16:23,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:23,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427577232] [2021-03-11 20:16:23,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:23,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:23,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:16:23,867 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 20:16:23,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427577232] [2021-03-11 20:16:23,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:23,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 20:16:23,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974040408] [2021-03-11 20:16:23,874 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 20:16:23,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:23,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 20:16:23,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 20:16:23,885 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 159 [2021-03-11 20:16:23,887 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 21 transitions, 48 flow. Second operand has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 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 20:16:23,887 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:23,887 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 159 [2021-03-11 20:16:23,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:23,987 INFO L129 PetriNetUnfolder]: 57/144 cut-off events. [2021-03-11 20:16:23,987 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:16:23,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 144 events. 57/144 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 631 event pairs, 6 based on Foata normal form. 15/152 useless extension candidates. Maximal degree in co-relation 248. Up to 88 conditions per place. [2021-03-11 20:16:23,991 INFO L132 encePairwiseOnDemand]: 155/159 looper letters, 12 selfloop transitions, 2 changer transitions 0/24 dead transitions. [2021-03-11 20:16:23,991 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 24 transitions, 82 flow [2021-03-11 20:16:23,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 20:16:23,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 20:16:24,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 395 transitions. [2021-03-11 20:16:24,008 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8280922431865828 [2021-03-11 20:16:24,008 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 395 transitions. [2021-03-11 20:16:24,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 395 transitions. [2021-03-11 20:16:24,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:24,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 395 transitions. [2021-03-11 20:16:24,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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 20:16:24,024 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 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 20:16:24,025 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 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 20:16:24,026 INFO L185 Difference]: Start difference. First operand has 27 places, 21 transitions, 48 flow. Second operand 3 states and 395 transitions. [2021-03-11 20:16:24,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 24 transitions, 82 flow [2021-03-11 20:16:24,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 24 transitions, 80 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 20:16:24,030 INFO L241 Difference]: Finished difference. Result has 26 places, 19 transitions, 46 flow [2021-03-11 20:16:24,032 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=46, PETRI_PLACES=26, PETRI_TRANSITIONS=19} [2021-03-11 20:16:24,032 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, -1 predicate places. [2021-03-11 20:16:24,032 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 19 transitions, 46 flow [2021-03-11 20:16:24,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 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 20:16:24,033 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:24,033 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:24,033 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 20:16:24,033 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:24,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:24,034 INFO L82 PathProgramCache]: Analyzing trace with hash -600199316, now seen corresponding path program 1 times [2021-03-11 20:16:24,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:24,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604885352] [2021-03-11 20:16:24,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:24,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:24,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:16:24,188 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-03-11 20:16:24,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 20:16:24,205 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 20:16:24,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604885352] [2021-03-11 20:16:24,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:24,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 20:16:24,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83739764] [2021-03-11 20:16:24,207 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 20:16:24,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:24,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 20:16:24,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 20:16:24,209 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 159 [2021-03-11 20:16:24,209 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 19 transitions, 46 flow. Second operand has 4 states, 4 states have (on average 126.75) internal successors, (507), 4 states have internal predecessors, (507), 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 20:16:24,209 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:24,209 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 159 [2021-03-11 20:16:24,210 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:24,245 INFO L129 PetriNetUnfolder]: 1/30 cut-off events. [2021-03-11 20:16:24,245 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:16:24,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 30 events. 1/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 53 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 40. Up to 5 conditions per place. [2021-03-11 20:16:24,246 INFO L132 encePairwiseOnDemand]: 155/159 looper letters, 2 selfloop transitions, 2 changer transitions 5/23 dead transitions. [2021-03-11 20:16:24,246 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 23 transitions, 72 flow [2021-03-11 20:16:24,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 20:16:24,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-11 20:16:24,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 641 transitions. [2021-03-11 20:16:24,248 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8062893081761007 [2021-03-11 20:16:24,248 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 641 transitions. [2021-03-11 20:16:24,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 641 transitions. [2021-03-11 20:16:24,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:24,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 641 transitions. [2021-03-11 20:16:24,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 128.2) internal successors, (641), 5 states have internal predecessors, (641), 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 20:16:24,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 159.0) internal successors, (954), 6 states have internal predecessors, (954), 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 20:16:24,253 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 159.0) internal successors, (954), 6 states have internal predecessors, (954), 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 20:16:24,253 INFO L185 Difference]: Start difference. First operand has 26 places, 19 transitions, 46 flow. Second operand 5 states and 641 transitions. [2021-03-11 20:16:24,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 23 transitions, 72 flow [2021-03-11 20:16:24,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 23 transitions, 68 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 20:16:24,254 INFO L241 Difference]: Finished difference. Result has 31 places, 18 transitions, 52 flow [2021-03-11 20:16:24,254 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=52, PETRI_PLACES=31, PETRI_TRANSITIONS=18} [2021-03-11 20:16:24,254 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 4 predicate places. [2021-03-11 20:16:24,254 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 18 transitions, 52 flow [2021-03-11 20:16:24,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 126.75) internal successors, (507), 4 states have internal predecessors, (507), 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 20:16:24,255 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:24,255 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:24,255 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 20:16:24,255 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:24,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:24,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1833854419, now seen corresponding path program 1 times [2021-03-11 20:16:24,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:24,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734671272] [2021-03-11 20:16:24,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:24,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:24,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:16:24,344 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-03-11 20:16:24,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 20:16:24,363 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 20:16:24,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734671272] [2021-03-11 20:16:24,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:24,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 20:16:24,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67158536] [2021-03-11 20:16:24,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 20:16:24,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:24,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 20:16:24,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 20:16:24,366 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 159 [2021-03-11 20:16:24,367 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 18 transitions, 52 flow. Second operand has 4 states, 4 states have (on average 127.75) internal successors, (511), 4 states have internal predecessors, (511), 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 20:16:24,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:24,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 159 [2021-03-11 20:16:24,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:24,399 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-03-11 20:16:24,399 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-11 20:16:24,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 22 events. 0/22 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 30 event pairs, 0 based on Foata normal form. 2/24 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-11 20:16:24,400 INFO L132 encePairwiseOnDemand]: 155/159 looper letters, 2 selfloop transitions, 2 changer transitions 2/20 dead transitions. [2021-03-11 20:16:24,400 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 20 transitions, 70 flow [2021-03-11 20:16:24,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 20:16:24,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-11 20:16:24,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 643 transitions. [2021-03-11 20:16:24,402 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8088050314465409 [2021-03-11 20:16:24,402 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 643 transitions. [2021-03-11 20:16:24,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 643 transitions. [2021-03-11 20:16:24,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:24,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 643 transitions. [2021-03-11 20:16:24,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 128.6) internal successors, (643), 5 states have internal predecessors, (643), 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 20:16:24,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 159.0) internal successors, (954), 6 states have internal predecessors, (954), 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 20:16:24,406 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 159.0) internal successors, (954), 6 states have internal predecessors, (954), 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 20:16:24,406 INFO L185 Difference]: Start difference. First operand has 31 places, 18 transitions, 52 flow. Second operand 5 states and 643 transitions. [2021-03-11 20:16:24,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 20 transitions, 70 flow [2021-03-11 20:16:24,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 20 transitions, 62 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-11 20:16:24,407 INFO L241 Difference]: Finished difference. Result has 31 places, 18 transitions, 56 flow [2021-03-11 20:16:24,407 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=24, 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=5, PETRI_FLOW=56, PETRI_PLACES=31, PETRI_TRANSITIONS=18} [2021-03-11 20:16:24,407 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 4 predicate places. [2021-03-11 20:16:24,408 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 18 transitions, 56 flow [2021-03-11 20:16:24,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 127.75) internal successors, (511), 4 states have internal predecessors, (511), 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 20:16:24,408 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:24,408 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:24,408 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 20:16:24,408 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:24,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:24,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1570544765, now seen corresponding path program 1 times [2021-03-11 20:16:24,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:24,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208830988] [2021-03-11 20:16:24,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:24,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:24,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 20:16:24,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:24,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 20:16:24,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:24,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 20:16:24,579 INFO L142 QuantifierPusher]: treesize reduction 3, result has 80.0 percent of original size [2021-03-11 20:16:24,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 20:16:24,592 INFO L142 QuantifierPusher]: treesize reduction 3, result has 83.3 percent of original size [2021-03-11 20:16:24,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 20:16:24,605 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size [2021-03-11 20:16:24,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 20:16:24,612 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-03-11 20:16:24,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 20:16:24,634 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 20:16:24,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208830988] [2021-03-11 20:16:24,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:24,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 20:16:24,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893731786] [2021-03-11 20:16:24,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 20:16:24,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:24,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 20:16:24,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-11 20:16:24,637 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 159 [2021-03-11 20:16:24,638 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 18 transitions, 56 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 20:16:24,638 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:24,638 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 159 [2021-03-11 20:16:24,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:25,007 INFO L129 PetriNetUnfolder]: 63/153 cut-off events. [2021-03-11 20:16:25,007 INFO L130 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2021-03-11 20:16:25,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 341 conditions, 153 events. 63/153 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 604 event pairs, 8 based on Foata normal form. 6/159 useless extension candidates. Maximal degree in co-relation 328. Up to 91 conditions per place. [2021-03-11 20:16:25,008 INFO L132 encePairwiseOnDemand]: 149/159 looper letters, 15 selfloop transitions, 15 changer transitions 6/43 dead transitions. [2021-03-11 20:16:25,008 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 43 transitions, 185 flow [2021-03-11 20:16:25,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 20:16:25,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-11 20:16:25,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1008 transitions. [2021-03-11 20:16:25,012 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6339622641509434 [2021-03-11 20:16:25,012 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1008 transitions. [2021-03-11 20:16:25,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1008 transitions. [2021-03-11 20:16:25,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:25,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1008 transitions. [2021-03-11 20:16:25,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 100.8) internal successors, (1008), 10 states have internal predecessors, (1008), 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 20:16:25,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 159.0) internal successors, (1749), 11 states have internal predecessors, (1749), 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 20:16:25,018 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 159.0) internal successors, (1749), 11 states have internal predecessors, (1749), 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 20:16:25,018 INFO L185 Difference]: Start difference. First operand has 31 places, 18 transitions, 56 flow. Second operand 10 states and 1008 transitions. [2021-03-11 20:16:25,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 43 transitions, 185 flow [2021-03-11 20:16:25,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 43 transitions, 175 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-11 20:16:25,020 INFO L241 Difference]: Finished difference. Result has 39 places, 31 transitions, 141 flow [2021-03-11 20:16:25,020 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=141, PETRI_PLACES=39, PETRI_TRANSITIONS=31} [2021-03-11 20:16:25,020 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 12 predicate places. [2021-03-11 20:16:25,021 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 141 flow [2021-03-11 20:16:25,021 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 20:16:25,021 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:25,021 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:25,021 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 20:16:25,021 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:25,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:25,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1722705685, now seen corresponding path program 2 times [2021-03-11 20:16:25,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:25,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506891064] [2021-03-11 20:16:25,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:25,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:25,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 20:16:25,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:25,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 20:16:25,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:25,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 20:16:25,180 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-11 20:16:25,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 20:16:25,194 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-11 20:16:25,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 20:16:25,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:25,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 20:16:25,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:25,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 20:16:25,258 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-03-11 20:16:25,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 20:16:25,273 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 20:16:25,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506891064] [2021-03-11 20:16:25,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:25,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 20:16:25,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872235850] [2021-03-11 20:16:25,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-11 20:16:25,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:25,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-11 20:16:25,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-03-11 20:16:25,275 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 159 [2021-03-11 20:16:25,276 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 31 transitions, 141 flow. Second operand has 10 states, 10 states have (on average 87.9) internal successors, (879), 10 states have internal predecessors, (879), 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 20:16:25,276 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:25,276 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 159 [2021-03-11 20:16:25,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:25,561 INFO L129 PetriNetUnfolder]: 180/341 cut-off events. [2021-03-11 20:16:25,561 INFO L130 PetriNetUnfolder]: For 352/358 co-relation queries the response was YES. [2021-03-11 20:16:25,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1040 conditions, 341 events. 180/341 cut-off events. For 352/358 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1368 event pairs, 19 based on Foata normal form. 17/357 useless extension candidates. Maximal degree in co-relation 1024. Up to 234 conditions per place. [2021-03-11 20:16:25,564 INFO L132 encePairwiseOnDemand]: 149/159 looper letters, 26 selfloop transitions, 16 changer transitions 9/55 dead transitions. [2021-03-11 20:16:25,564 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 55 transitions, 341 flow [2021-03-11 20:16:25,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 20:16:25,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-11 20:16:25,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 742 transitions. [2021-03-11 20:16:25,567 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2021-03-11 20:16:25,567 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 742 transitions. [2021-03-11 20:16:25,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 742 transitions. [2021-03-11 20:16:25,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:25,567 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 742 transitions. [2021-03-11 20:16:25,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 92.75) internal successors, (742), 8 states have internal predecessors, (742), 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 20:16:25,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 159.0) internal successors, (1431), 9 states have internal predecessors, (1431), 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 20:16:25,571 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 159.0) internal successors, (1431), 9 states have internal predecessors, (1431), 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 20:16:25,571 INFO L185 Difference]: Start difference. First operand has 39 places, 31 transitions, 141 flow. Second operand 8 states and 742 transitions. [2021-03-11 20:16:25,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 55 transitions, 341 flow [2021-03-11 20:16:25,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 55 transitions, 339 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-11 20:16:25,574 INFO L241 Difference]: Finished difference. Result has 47 places, 36 transitions, 232 flow [2021-03-11 20:16:25,575 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=139, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=232, PETRI_PLACES=47, PETRI_TRANSITIONS=36} [2021-03-11 20:16:25,575 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 20 predicate places. [2021-03-11 20:16:25,575 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 36 transitions, 232 flow [2021-03-11 20:16:25,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 87.9) internal successors, (879), 10 states have internal predecessors, (879), 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 20:16:25,575 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:25,575 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:25,576 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 20:16:25,576 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:25,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:25,576 INFO L82 PathProgramCache]: Analyzing trace with hash 100683529, now seen corresponding path program 3 times [2021-03-11 20:16:25,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:25,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789434511] [2021-03-11 20:16:25,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:25,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:25,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 20:16:25,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:25,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 20:16:25,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:25,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 20:16:25,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:25,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 20:16:25,717 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-03-11 20:16:25,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 20:16:25,729 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 20:16:25,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789434511] [2021-03-11 20:16:25,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:25,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 20:16:25,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709585746] [2021-03-11 20:16:25,730 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 20:16:25,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:25,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 20:16:25,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 20:16:25,731 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 159 [2021-03-11 20:16:25,732 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 36 transitions, 232 flow. Second operand has 6 states, 6 states have (on average 99.33333333333333) internal successors, (596), 6 states have internal predecessors, (596), 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 20:16:25,732 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:25,732 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 159 [2021-03-11 20:16:25,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:25,963 INFO L129 PetriNetUnfolder]: 77/185 cut-off events. [2021-03-11 20:16:25,964 INFO L130 PetriNetUnfolder]: For 413/415 co-relation queries the response was YES. [2021-03-11 20:16:25,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 743 conditions, 185 events. 77/185 cut-off events. For 413/415 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 823 event pairs, 6 based on Foata normal form. 8/192 useless extension candidates. Maximal degree in co-relation 722. Up to 98 conditions per place. [2021-03-11 20:16:25,969 INFO L132 encePairwiseOnDemand]: 149/159 looper letters, 20 selfloop transitions, 17 changer transitions 7/52 dead transitions. [2021-03-11 20:16:25,969 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 52 transitions, 432 flow [2021-03-11 20:16:25,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 20:16:25,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-11 20:16:25,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 817 transitions. [2021-03-11 20:16:25,972 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6422955974842768 [2021-03-11 20:16:25,972 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 817 transitions. [2021-03-11 20:16:25,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 817 transitions. [2021-03-11 20:16:25,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:25,973 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 817 transitions. [2021-03-11 20:16:25,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 102.125) internal successors, (817), 8 states have internal predecessors, (817), 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 20:16:25,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 159.0) internal successors, (1431), 9 states have internal predecessors, (1431), 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 20:16:25,977 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 159.0) internal successors, (1431), 9 states have internal predecessors, (1431), 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 20:16:25,977 INFO L185 Difference]: Start difference. First operand has 47 places, 36 transitions, 232 flow. Second operand 8 states and 817 transitions. [2021-03-11 20:16:25,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 52 transitions, 432 flow [2021-03-11 20:16:25,982 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 52 transitions, 400 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-03-11 20:16:25,985 INFO L241 Difference]: Finished difference. Result has 52 places, 41 transitions, 310 flow [2021-03-11 20:16:25,985 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=310, PETRI_PLACES=52, PETRI_TRANSITIONS=41} [2021-03-11 20:16:25,985 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 25 predicate places. [2021-03-11 20:16:25,985 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 41 transitions, 310 flow [2021-03-11 20:16:25,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 99.33333333333333) internal successors, (596), 6 states have internal predecessors, (596), 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 20:16:25,986 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:25,986 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:25,986 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 20:16:25,986 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:25,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:25,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1776729504, now seen corresponding path program 1 times [2021-03-11 20:16:25,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:25,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502149746] [2021-03-11 20:16:25,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:26,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:26,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 20:16:26,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:26,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 20:16:26,120 INFO L142 QuantifierPusher]: treesize reduction 17, result has 74.2 percent of original size [2021-03-11 20:16:26,122 INFO L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-03-11 20:16:26,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:26,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 20:16:26,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:26,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 20:16:26,172 INFO L142 QuantifierPusher]: treesize reduction 7, result has 75.0 percent of original size [2021-03-11 20:16:26,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 20:16:26,188 INFO L142 QuantifierPusher]: treesize reduction 5, result has 89.1 percent of original size [2021-03-11 20:16:26,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-11 20:16:26,202 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-03-11 20:16:26,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 20:16:26,230 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 20:16:26,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502149746] [2021-03-11 20:16:26,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:26,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 20:16:26,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386776942] [2021-03-11 20:16:26,231 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-11 20:16:26,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:26,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-11 20:16:26,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-11 20:16:26,233 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 159 [2021-03-11 20:16:26,234 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 41 transitions, 310 flow. Second operand has 10 states, 10 states have (on average 94.9) internal successors, (949), 10 states have internal predecessors, (949), 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 20:16:26,234 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:26,234 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 159 [2021-03-11 20:16:26,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:26,479 INFO L129 PetriNetUnfolder]: 97/230 cut-off events. [2021-03-11 20:16:26,480 INFO L130 PetriNetUnfolder]: For 696/700 co-relation queries the response was YES. [2021-03-11 20:16:26,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1054 conditions, 230 events. 97/230 cut-off events. For 696/700 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1101 event pairs, 8 based on Foata normal form. 6/235 useless extension candidates. Maximal degree in co-relation 1030. Up to 114 conditions per place. [2021-03-11 20:16:26,482 INFO L132 encePairwiseOnDemand]: 149/159 looper letters, 27 selfloop transitions, 12 changer transitions 14/61 dead transitions. [2021-03-11 20:16:26,482 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 61 transitions, 578 flow [2021-03-11 20:16:26,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 20:16:26,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 20:16:26,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 690 transitions. [2021-03-11 20:16:26,484 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6199460916442049 [2021-03-11 20:16:26,484 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 690 transitions. [2021-03-11 20:16:26,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 690 transitions. [2021-03-11 20:16:26,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:26,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 690 transitions. [2021-03-11 20:16:26,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 98.57142857142857) internal successors, (690), 7 states have internal predecessors, (690), 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 20:16:26,487 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 159.0) internal successors, (1272), 8 states have internal predecessors, (1272), 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 20:16:26,488 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 159.0) internal successors, (1272), 8 states have internal predecessors, (1272), 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 20:16:26,488 INFO L185 Difference]: Start difference. First operand has 52 places, 41 transitions, 310 flow. Second operand 7 states and 690 transitions. [2021-03-11 20:16:26,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 61 transitions, 578 flow [2021-03-11 20:16:26,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 61 transitions, 537 flow, removed 13 selfloop flow, removed 6 redundant places. [2021-03-11 20:16:26,493 INFO L241 Difference]: Finished difference. Result has 53 places, 45 transitions, 360 flow [2021-03-11 20:16:26,493 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=281, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=360, PETRI_PLACES=53, PETRI_TRANSITIONS=45} [2021-03-11 20:16:26,493 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 26 predicate places. [2021-03-11 20:16:26,493 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 45 transitions, 360 flow [2021-03-11 20:16:26,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 94.9) internal successors, (949), 10 states have internal predecessors, (949), 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 20:16:26,495 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:26,495 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:26,495 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 20:16:26,495 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:26,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:26,496 INFO L82 PathProgramCache]: Analyzing trace with hash -119065787, now seen corresponding path program 1 times [2021-03-11 20:16:26,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:26,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132289085] [2021-03-11 20:16:26,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:26,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:26,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 20:16:26,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:26,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 20:16:26,688 INFO L142 QuantifierPusher]: treesize reduction 15, result has 81.0 percent of original size [2021-03-11 20:16:26,689 INFO L147 QuantifierPusher]: treesize reduction 9, result has 85.9 percent of original size 55 [2021-03-11 20:16:26,718 INFO L142 QuantifierPusher]: treesize reduction 25, result has 72.5 percent of original size [2021-03-11 20:16:26,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-11 20:16:26,757 INFO L142 QuantifierPusher]: treesize reduction 25, result has 72.8 percent of original size [2021-03-11 20:16:26,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-11 20:16:26,792 INFO L142 QuantifierPusher]: treesize reduction 25, result has 73.7 percent of original size [2021-03-11 20:16:26,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-11 20:16:26,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:26,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-11 20:16:26,843 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-03-11 20:16:26,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 20:16:26,859 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 20:16:26,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132289085] [2021-03-11 20:16:26,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:26,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 20:16:26,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791052647] [2021-03-11 20:16:26,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-11 20:16:26,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:26,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-11 20:16:26,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-03-11 20:16:26,862 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 159 [2021-03-11 20:16:26,863 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 45 transitions, 360 flow. Second operand has 10 states, 10 states have (on average 97.9) internal successors, (979), 10 states have internal predecessors, (979), 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 20:16:26,863 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:26,863 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 159 [2021-03-11 20:16:26,863 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:27,128 INFO L129 PetriNetUnfolder]: 66/170 cut-off events. [2021-03-11 20:16:27,128 INFO L130 PetriNetUnfolder]: For 475/479 co-relation queries the response was YES. [2021-03-11 20:16:27,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 804 conditions, 170 events. 66/170 cut-off events. For 475/479 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 766 event pairs, 4 based on Foata normal form. 5/174 useless extension candidates. Maximal degree in co-relation 780. Up to 82 conditions per place. [2021-03-11 20:16:27,130 INFO L132 encePairwiseOnDemand]: 153/159 looper letters, 29 selfloop transitions, 13 changer transitions 4/54 dead transitions. [2021-03-11 20:16:27,130 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 54 transitions, 529 flow [2021-03-11 20:16:27,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 20:16:27,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 20:16:27,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 707 transitions. [2021-03-11 20:16:27,132 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6352201257861635 [2021-03-11 20:16:27,133 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 707 transitions. [2021-03-11 20:16:27,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 707 transitions. [2021-03-11 20:16:27,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:27,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 707 transitions. [2021-03-11 20:16:27,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 101.0) internal successors, (707), 7 states have internal predecessors, (707), 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 20:16:27,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 159.0) internal successors, (1272), 8 states have internal predecessors, (1272), 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 20:16:27,136 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 159.0) internal successors, (1272), 8 states have internal predecessors, (1272), 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 20:16:27,136 INFO L185 Difference]: Start difference. First operand has 53 places, 45 transitions, 360 flow. Second operand 7 states and 707 transitions. [2021-03-11 20:16:27,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 54 transitions, 529 flow [2021-03-11 20:16:27,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 54 transitions, 490 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-03-11 20:16:27,140 INFO L241 Difference]: Finished difference. Result has 54 places, 45 transitions, 372 flow [2021-03-11 20:16:27,140 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=329, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=372, PETRI_PLACES=54, PETRI_TRANSITIONS=45} [2021-03-11 20:16:27,140 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 27 predicate places. [2021-03-11 20:16:27,140 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 45 transitions, 372 flow [2021-03-11 20:16:27,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 97.9) internal successors, (979), 10 states have internal predecessors, (979), 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 20:16:27,141 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:27,141 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:27,141 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 20:16:27,141 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:27,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:27,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1442278606, now seen corresponding path program 2 times [2021-03-11 20:16:27,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:27,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100999037] [2021-03-11 20:16:27,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:27,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:27,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:16:27,214 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 20:16:27,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 20:16:27,225 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-11 20:16:27,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 20:16:27,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:27,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:16:27,250 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-03-11 20:16:27,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 20:16:27,262 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 20:16:27,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100999037] [2021-03-11 20:16:27,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:27,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 20:16:27,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295132969] [2021-03-11 20:16:27,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 20:16:27,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:27,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 20:16:27,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-11 20:16:27,264 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 159 [2021-03-11 20:16:27,264 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 45 transitions, 372 flow. Second operand has 7 states, 7 states have (on average 104.14285714285714) internal successors, (729), 7 states have internal predecessors, (729), 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 20:16:27,265 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:27,265 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 159 [2021-03-11 20:16:27,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:27,419 INFO L129 PetriNetUnfolder]: 77/200 cut-off events. [2021-03-11 20:16:27,419 INFO L130 PetriNetUnfolder]: For 623/633 co-relation queries the response was YES. [2021-03-11 20:16:27,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 946 conditions, 200 events. 77/200 cut-off events. For 623/633 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 953 event pairs, 16 based on Foata normal form. 5/204 useless extension candidates. Maximal degree in co-relation 922. Up to 85 conditions per place. [2021-03-11 20:16:27,421 INFO L132 encePairwiseOnDemand]: 151/159 looper letters, 15 selfloop transitions, 12 changer transitions 19/55 dead transitions. [2021-03-11 20:16:27,421 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 55 transitions, 538 flow [2021-03-11 20:16:27,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 20:16:27,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-11 20:16:27,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 642 transitions. [2021-03-11 20:16:27,423 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6729559748427673 [2021-03-11 20:16:27,423 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 642 transitions. [2021-03-11 20:16:27,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 642 transitions. [2021-03-11 20:16:27,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:27,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 642 transitions. [2021-03-11 20:16:27,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 107.0) internal successors, (642), 6 states have internal predecessors, (642), 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 20:16:27,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 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 20:16:27,426 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 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 20:16:27,426 INFO L185 Difference]: Start difference. First operand has 54 places, 45 transitions, 372 flow. Second operand 6 states and 642 transitions. [2021-03-11 20:16:27,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 55 transitions, 538 flow [2021-03-11 20:16:27,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 55 transitions, 508 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-03-11 20:16:27,431 INFO L241 Difference]: Finished difference. Result has 53 places, 35 transitions, 285 flow [2021-03-11 20:16:27,431 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=285, PETRI_PLACES=53, PETRI_TRANSITIONS=35} [2021-03-11 20:16:27,431 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 26 predicate places. [2021-03-11 20:16:27,431 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 35 transitions, 285 flow [2021-03-11 20:16:27,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 104.14285714285714) internal successors, (729), 7 states have internal predecessors, (729), 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 20:16:27,432 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:27,432 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:27,432 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 20:16:27,432 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:27,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:27,432 INFO L82 PathProgramCache]: Analyzing trace with hash -2142658444, now seen corresponding path program 3 times [2021-03-11 20:16:27,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:27,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385310401] [2021-03-11 20:16:27,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:27,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:27,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 20:16:27,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:27,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 20:16:27,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:27,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 20:16:27,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:27,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 20:16:27,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:27,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 20:16:27,579 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-03-11 20:16:27,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 20:16:27,593 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 20:16:27,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385310401] [2021-03-11 20:16:27,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:27,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 20:16:27,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966991126] [2021-03-11 20:16:27,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 20:16:27,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:27,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 20:16:27,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-11 20:16:27,598 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 159 [2021-03-11 20:16:27,598 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 35 transitions, 285 flow. Second operand has 7 states, 7 states have (on average 98.28571428571429) internal successors, (688), 7 states have internal predecessors, (688), 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 20:16:27,598 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:27,599 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 159 [2021-03-11 20:16:27,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:27,813 INFO L129 PetriNetUnfolder]: 42/129 cut-off events. [2021-03-11 20:16:27,813 INFO L130 PetriNetUnfolder]: For 380/382 co-relation queries the response was YES. [2021-03-11 20:16:27,814 INFO L84 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 129 events. 42/129 cut-off events. For 380/382 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 543 event pairs, 0 based on Foata normal form. 7/136 useless extension candidates. Maximal degree in co-relation 586. Up to 64 conditions per place. [2021-03-11 20:16:27,815 INFO L132 encePairwiseOnDemand]: 149/159 looper letters, 22 selfloop transitions, 14 changer transitions 6/49 dead transitions. [2021-03-11 20:16:27,815 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 49 transitions, 477 flow [2021-03-11 20:16:27,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 20:16:27,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-11 20:16:27,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 904 transitions. [2021-03-11 20:16:27,817 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6317260656883298 [2021-03-11 20:16:27,817 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 904 transitions. [2021-03-11 20:16:27,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 904 transitions. [2021-03-11 20:16:27,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:27,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 904 transitions. [2021-03-11 20:16:27,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 100.44444444444444) internal successors, (904), 9 states have internal predecessors, (904), 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 20:16:27,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 159.0) internal successors, (1590), 10 states have internal predecessors, (1590), 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 20:16:27,822 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 159.0) internal successors, (1590), 10 states have internal predecessors, (1590), 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 20:16:27,822 INFO L185 Difference]: Start difference. First operand has 53 places, 35 transitions, 285 flow. Second operand 9 states and 904 transitions. [2021-03-11 20:16:27,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 49 transitions, 477 flow [2021-03-11 20:16:27,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 49 transitions, 436 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-03-11 20:16:27,825 INFO L241 Difference]: Finished difference. Result has 54 places, 38 transitions, 323 flow [2021-03-11 20:16:27,825 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=323, PETRI_PLACES=54, PETRI_TRANSITIONS=38} [2021-03-11 20:16:27,825 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 27 predicate places. [2021-03-11 20:16:27,825 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 38 transitions, 323 flow [2021-03-11 20:16:27,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 98.28571428571429) internal successors, (688), 7 states have internal predecessors, (688), 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 20:16:27,826 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:27,826 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:27,826 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 20:16:27,826 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:27,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:27,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1653893560, now seen corresponding path program 1 times [2021-03-11 20:16:27,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:27,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239003837] [2021-03-11 20:16:27,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:27,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:27,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 20:16:27,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:27,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 20:16:27,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:27,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:16:27,908 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-11 20:16:27,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 20:16:27,917 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-11 20:16:27,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 20:16:27,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:27,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 20:16:27,939 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-03-11 20:16:27,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 20:16:27,952 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 20:16:27,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239003837] [2021-03-11 20:16:27,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:27,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 20:16:27,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155986198] [2021-03-11 20:16:27,953 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 20:16:27,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:27,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 20:16:27,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-11 20:16:27,954 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 159 [2021-03-11 20:16:27,955 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 38 transitions, 323 flow. Second operand has 9 states, 9 states have (on average 101.11111111111111) internal successors, (910), 9 states have internal predecessors, (910), 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 20:16:27,955 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:27,955 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 159 [2021-03-11 20:16:27,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:28,214 INFO L129 PetriNetUnfolder]: 62/188 cut-off events. [2021-03-11 20:16:28,214 INFO L130 PetriNetUnfolder]: For 582/584 co-relation queries the response was YES. [2021-03-11 20:16:28,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 983 conditions, 188 events. 62/188 cut-off events. For 582/584 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 937 event pairs, 8 based on Foata normal form. 5/191 useless extension candidates. Maximal degree in co-relation 959. Up to 72 conditions per place. [2021-03-11 20:16:28,216 INFO L132 encePairwiseOnDemand]: 151/159 looper letters, 32 selfloop transitions, 27 changer transitions 8/74 dead transitions. [2021-03-11 20:16:28,216 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 74 transitions, 832 flow [2021-03-11 20:16:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 20:16:28,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-11 20:16:28,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 937 transitions. [2021-03-11 20:16:28,218 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6547868623340322 [2021-03-11 20:16:28,219 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 937 transitions. [2021-03-11 20:16:28,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 937 transitions. [2021-03-11 20:16:28,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:28,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 937 transitions. [2021-03-11 20:16:28,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 104.11111111111111) internal successors, (937), 9 states have internal predecessors, (937), 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 20:16:28,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 159.0) internal successors, (1590), 10 states have internal predecessors, (1590), 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 20:16:28,223 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 159.0) internal successors, (1590), 10 states have internal predecessors, (1590), 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 20:16:28,223 INFO L185 Difference]: Start difference. First operand has 54 places, 38 transitions, 323 flow. Second operand 9 states and 937 transitions. [2021-03-11 20:16:28,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 74 transitions, 832 flow [2021-03-11 20:16:28,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 74 transitions, 792 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-03-11 20:16:28,228 INFO L241 Difference]: Finished difference. Result has 59 places, 58 transitions, 603 flow [2021-03-11 20:16:28,228 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=603, PETRI_PLACES=59, PETRI_TRANSITIONS=58} [2021-03-11 20:16:28,228 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 32 predicate places. [2021-03-11 20:16:28,228 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 58 transitions, 603 flow [2021-03-11 20:16:28,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 101.11111111111111) internal successors, (910), 9 states have internal predecessors, (910), 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 20:16:28,228 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:28,229 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:28,229 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-11 20:16:28,229 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:28,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:28,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1529614634, now seen corresponding path program 2 times [2021-03-11 20:16:28,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:28,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399664105] [2021-03-11 20:16:28,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:28,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:28,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:16:28,343 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-11 20:16:28,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 20:16:28,351 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-11 20:16:28,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 20:16:28,363 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-03-11 20:16:28,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 20:16:28,373 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-03-11 20:16:28,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 20:16:28,398 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 20:16:28,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399664105] [2021-03-11 20:16:28,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:28,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 20:16:28,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234312868] [2021-03-11 20:16:28,399 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 20:16:28,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:28,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 20:16:28,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-11 20:16:28,401 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 159 [2021-03-11 20:16:28,401 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 58 transitions, 603 flow. Second operand has 7 states, 7 states have (on average 100.42857142857143) internal successors, (703), 7 states have internal predecessors, (703), 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 20:16:28,401 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:28,401 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 159 [2021-03-11 20:16:28,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:28,677 INFO L129 PetriNetUnfolder]: 58/184 cut-off events. [2021-03-11 20:16:28,677 INFO L130 PetriNetUnfolder]: For 708/735 co-relation queries the response was YES. [2021-03-11 20:16:28,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1052 conditions, 184 events. 58/184 cut-off events. For 708/735 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 923 event pairs, 1 based on Foata normal form. 13/196 useless extension candidates. Maximal degree in co-relation 1025. Up to 71 conditions per place. [2021-03-11 20:16:28,679 INFO L132 encePairwiseOnDemand]: 148/159 looper letters, 30 selfloop transitions, 32 changer transitions 14/83 dead transitions. [2021-03-11 20:16:28,679 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 83 transitions, 1008 flow [2021-03-11 20:16:28,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 20:16:28,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-11 20:16:28,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 926 transitions. [2021-03-11 20:16:28,682 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6470999301187981 [2021-03-11 20:16:28,682 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 926 transitions. [2021-03-11 20:16:28,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 926 transitions. [2021-03-11 20:16:28,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:28,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 926 transitions. [2021-03-11 20:16:28,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 102.88888888888889) internal successors, (926), 9 states have internal predecessors, (926), 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 20:16:28,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 159.0) internal successors, (1590), 10 states have internal predecessors, (1590), 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 20:16:28,687 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 159.0) internal successors, (1590), 10 states have internal predecessors, (1590), 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 20:16:28,687 INFO L185 Difference]: Start difference. First operand has 59 places, 58 transitions, 603 flow. Second operand 9 states and 926 transitions. [2021-03-11 20:16:28,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 83 transitions, 1008 flow [2021-03-11 20:16:28,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 83 transitions, 983 flow, removed 12 selfloop flow, removed 2 redundant places. [2021-03-11 20:16:28,692 INFO L241 Difference]: Finished difference. Result has 68 places, 66 transitions, 785 flow [2021-03-11 20:16:28,693 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=785, PETRI_PLACES=68, PETRI_TRANSITIONS=66} [2021-03-11 20:16:28,693 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 41 predicate places. [2021-03-11 20:16:28,693 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 66 transitions, 785 flow [2021-03-11 20:16:28,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 100.42857142857143) internal successors, (703), 7 states have internal predecessors, (703), 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 20:16:28,693 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:28,693 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:28,694 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-11 20:16:28,694 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:28,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:28,694 INFO L82 PathProgramCache]: Analyzing trace with hash -2099807394, now seen corresponding path program 3 times [2021-03-11 20:16:28,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:28,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877034601] [2021-03-11 20:16:28,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:28,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:28,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:16:28,759 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-11 20:16:28,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 20:16:28,771 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-03-11 20:16:28,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 20:16:28,787 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size [2021-03-11 20:16:28,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-11 20:16:28,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:28,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 20:16:28,821 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-03-11 20:16:28,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 20:16:28,831 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 20:16:28,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877034601] [2021-03-11 20:16:28,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:28,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 20:16:28,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220022388] [2021-03-11 20:16:28,832 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 20:16:28,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:28,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 20:16:28,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-11 20:16:28,833 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 159 [2021-03-11 20:16:28,834 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 66 transitions, 785 flow. Second operand has 8 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 20:16:28,834 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:28,834 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 159 [2021-03-11 20:16:28,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:29,026 INFO L129 PetriNetUnfolder]: 52/174 cut-off events. [2021-03-11 20:16:29,026 INFO L130 PetriNetUnfolder]: For 967/994 co-relation queries the response was YES. [2021-03-11 20:16:29,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1127 conditions, 174 events. 52/174 cut-off events. For 967/994 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 858 event pairs, 1 based on Foata normal form. 13/186 useless extension candidates. Maximal degree in co-relation 1096. Up to 87 conditions per place. [2021-03-11 20:16:29,028 INFO L132 encePairwiseOnDemand]: 151/159 looper letters, 36 selfloop transitions, 28 changer transitions 8/79 dead transitions. [2021-03-11 20:16:29,028 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 79 transitions, 1073 flow [2021-03-11 20:16:29,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 20:16:29,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-11 20:16:29,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 782 transitions. [2021-03-11 20:16:29,030 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6147798742138365 [2021-03-11 20:16:29,030 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 782 transitions. [2021-03-11 20:16:29,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 782 transitions. [2021-03-11 20:16:29,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:29,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 782 transitions. [2021-03-11 20:16:29,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 97.75) internal successors, (782), 8 states have internal predecessors, (782), 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 20:16:29,034 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 159.0) internal successors, (1431), 9 states have internal predecessors, (1431), 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 20:16:29,034 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 159.0) internal successors, (1431), 9 states have internal predecessors, (1431), 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 20:16:29,034 INFO L185 Difference]: Start difference. First operand has 68 places, 66 transitions, 785 flow. Second operand 8 states and 782 transitions. [2021-03-11 20:16:29,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 79 transitions, 1073 flow [2021-03-11 20:16:29,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 79 transitions, 1021 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-03-11 20:16:29,041 INFO L241 Difference]: Finished difference. Result has 74 places, 68 transitions, 850 flow [2021-03-11 20:16:29,041 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=743, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=850, PETRI_PLACES=74, PETRI_TRANSITIONS=68} [2021-03-11 20:16:29,041 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 47 predicate places. [2021-03-11 20:16:29,041 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 68 transitions, 850 flow [2021-03-11 20:16:29,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 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 20:16:29,042 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:29,042 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:29,042 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-11 20:16:29,042 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:29,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:29,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1647113382, now seen corresponding path program 1 times [2021-03-11 20:16:29,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:29,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298794735] [2021-03-11 20:16:29,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:29,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:29,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:16:29,129 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 20:16:29,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 20:16:29,141 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-11 20:16:29,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 20:16:29,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:29,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:16:29,157 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-03-11 20:16:29,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 20:16:29,177 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 20:16:29,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298794735] [2021-03-11 20:16:29,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:29,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 20:16:29,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130877751] [2021-03-11 20:16:29,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 20:16:29,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:29,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 20:16:29,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-11 20:16:29,179 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 159 [2021-03-11 20:16:29,179 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 68 transitions, 850 flow. Second operand has 7 states, 7 states have (on average 105.28571428571429) internal successors, (737), 7 states have internal predecessors, (737), 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 20:16:29,179 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:29,180 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 159 [2021-03-11 20:16:29,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:29,349 INFO L129 PetriNetUnfolder]: 54/192 cut-off events. [2021-03-11 20:16:29,350 INFO L130 PetriNetUnfolder]: For 1159/1177 co-relation queries the response was YES. [2021-03-11 20:16:29,350 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1284 conditions, 192 events. 54/192 cut-off events. For 1159/1177 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1019 event pairs, 1 based on Foata normal form. 9/200 useless extension candidates. Maximal degree in co-relation 1251. Up to 75 conditions per place. [2021-03-11 20:16:29,351 INFO L132 encePairwiseOnDemand]: 153/159 looper letters, 34 selfloop transitions, 15 changer transitions 33/91 dead transitions. [2021-03-11 20:16:29,351 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 91 transitions, 1309 flow [2021-03-11 20:16:29,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 20:16:29,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-11 20:16:29,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 647 transitions. [2021-03-11 20:16:29,353 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6781970649895178 [2021-03-11 20:16:29,353 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 647 transitions. [2021-03-11 20:16:29,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 647 transitions. [2021-03-11 20:16:29,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:29,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 647 transitions. [2021-03-11 20:16:29,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 107.83333333333333) internal successors, (647), 6 states have internal predecessors, (647), 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 20:16:29,357 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 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 20:16:29,357 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 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 20:16:29,357 INFO L185 Difference]: Start difference. First operand has 74 places, 68 transitions, 850 flow. Second operand 6 states and 647 transitions. [2021-03-11 20:16:29,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 91 transitions, 1309 flow [2021-03-11 20:16:29,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 91 transitions, 1183 flow, removed 32 selfloop flow, removed 5 redundant places. [2021-03-11 20:16:29,366 INFO L241 Difference]: Finished difference. Result has 76 places, 54 transitions, 629 flow [2021-03-11 20:16:29,366 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=759, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=629, PETRI_PLACES=76, PETRI_TRANSITIONS=54} [2021-03-11 20:16:29,366 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 49 predicate places. [2021-03-11 20:16:29,366 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 54 transitions, 629 flow [2021-03-11 20:16:29,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 105.28571428571429) internal successors, (737), 7 states have internal predecessors, (737), 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 20:16:29,367 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:29,367 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:29,367 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-11 20:16:29,367 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:29,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:29,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1037041276, now seen corresponding path program 2 times [2021-03-11 20:16:29,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:29,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675097750] [2021-03-11 20:16:29,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:29,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:29,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 20:16:29,438 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 20:16:29,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 20:16:29,449 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-03-11 20:16:29,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 20:16:29,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:29,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 20:16:29,471 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-03-11 20:16:29,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 20:16:29,482 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-03-11 20:16:29,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 20:16:29,504 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 20:16:29,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675097750] [2021-03-11 20:16:29,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:29,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 20:16:29,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66081883] [2021-03-11 20:16:29,504 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 20:16:29,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:29,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 20:16:29,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-11 20:16:29,507 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 159 [2021-03-11 20:16:29,508 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 54 transitions, 629 flow. Second operand has 8 states, 8 states have (on average 96.25) internal successors, (770), 8 states have internal predecessors, (770), 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 20:16:29,508 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:29,508 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 159 [2021-03-11 20:16:29,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:29,806 INFO L129 PetriNetUnfolder]: 24/94 cut-off events. [2021-03-11 20:16:29,806 INFO L130 PetriNetUnfolder]: For 632/652 co-relation queries the response was YES. [2021-03-11 20:16:29,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 615 conditions, 94 events. 24/94 cut-off events. For 632/652 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 325 event pairs, 0 based on Foata normal form. 11/105 useless extension candidates. Maximal degree in co-relation 580. Up to 40 conditions per place. [2021-03-11 20:16:29,807 INFO L132 encePairwiseOnDemand]: 152/159 looper letters, 28 selfloop transitions, 19 changer transitions 9/63 dead transitions. [2021-03-11 20:16:29,808 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 63 transitions, 847 flow [2021-03-11 20:16:29,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 20:16:29,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-11 20:16:29,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 885 transitions. [2021-03-11 20:16:29,810 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6184486373165619 [2021-03-11 20:16:29,810 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 885 transitions. [2021-03-11 20:16:29,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 885 transitions. [2021-03-11 20:16:29,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:29,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 885 transitions. [2021-03-11 20:16:29,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 98.33333333333333) internal successors, (885), 9 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:16:29,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 159.0) internal successors, (1590), 10 states have internal predecessors, (1590), 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 20:16:29,815 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 159.0) internal successors, (1590), 10 states have internal predecessors, (1590), 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 20:16:29,815 INFO L185 Difference]: Start difference. First operand has 76 places, 54 transitions, 629 flow. Second operand 9 states and 885 transitions. [2021-03-11 20:16:29,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 63 transitions, 847 flow [2021-03-11 20:16:29,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 63 transitions, 774 flow, removed 10 selfloop flow, removed 10 redundant places. [2021-03-11 20:16:29,820 INFO L241 Difference]: Finished difference. Result has 76 places, 54 transitions, 630 flow [2021-03-11 20:16:29,820 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=630, PETRI_PLACES=76, PETRI_TRANSITIONS=54} [2021-03-11 20:16:29,820 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 49 predicate places. [2021-03-11 20:16:29,820 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 54 transitions, 630 flow [2021-03-11 20:16:29,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 96.25) internal successors, (770), 8 states have internal predecessors, (770), 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 20:16:29,821 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:29,821 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:29,821 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-11 20:16:29,821 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:29,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:29,822 INFO L82 PathProgramCache]: Analyzing trace with hash 289374946, now seen corresponding path program 4 times [2021-03-11 20:16:29,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:29,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064493076] [2021-03-11 20:16:29,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:29,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:29,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 20:16:29,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:29,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 20:16:29,992 INFO L142 QuantifierPusher]: treesize reduction 5, result has 84.8 percent of original size [2021-03-11 20:16:29,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 20:16:30,023 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-03-11 20:16:30,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-11 20:16:30,056 INFO L142 QuantifierPusher]: treesize reduction 37, result has 38.3 percent of original size [2021-03-11 20:16:30,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 20:16:30,077 INFO L142 QuantifierPusher]: treesize reduction 45, result has 33.8 percent of original size [2021-03-11 20:16:30,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 20:16:30,082 INFO L142 QuantifierPusher]: treesize reduction 99, result has 49.5 percent of original size [2021-03-11 20:16:30,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-11 20:16:30,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:30,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 20:16:30,222 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-03-11 20:16:30,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 20:16:30,250 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 20:16:30,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064493076] [2021-03-11 20:16:30,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:30,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 20:16:30,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258969957] [2021-03-11 20:16:30,253 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-11 20:16:30,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:30,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-11 20:16:30,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-03-11 20:16:30,255 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 159 [2021-03-11 20:16:30,256 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 54 transitions, 630 flow. Second operand has 10 states, 10 states have (on average 90.0) internal successors, (900), 10 states have internal predecessors, (900), 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 20:16:30,256 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:30,256 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 159 [2021-03-11 20:16:30,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:30,714 INFO L129 PetriNetUnfolder]: 24/97 cut-off events. [2021-03-11 20:16:30,714 INFO L130 PetriNetUnfolder]: For 706/715 co-relation queries the response was YES. [2021-03-11 20:16:30,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 655 conditions, 97 events. 24/97 cut-off events. For 706/715 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 363 event pairs, 0 based on Foata normal form. 11/108 useless extension candidates. Maximal degree in co-relation 623. Up to 56 conditions per place. [2021-03-11 20:16:30,716 INFO L132 encePairwiseOnDemand]: 149/159 looper letters, 38 selfloop transitions, 22 changer transitions 2/69 dead transitions. [2021-03-11 20:16:30,716 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 69 transitions, 961 flow [2021-03-11 20:16:30,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 20:16:30,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-11 20:16:30,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1280 transitions. [2021-03-11 20:16:30,718 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5750224618149147 [2021-03-11 20:16:30,718 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1280 transitions. [2021-03-11 20:16:30,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1280 transitions. [2021-03-11 20:16:30,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:30,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1280 transitions. [2021-03-11 20:16:30,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 91.42857142857143) internal successors, (1280), 14 states have internal predecessors, (1280), 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 20:16:30,731 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 159.0) internal successors, (2385), 15 states have internal predecessors, (2385), 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 20:16:30,731 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 159.0) internal successors, (2385), 15 states have internal predecessors, (2385), 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 20:16:30,731 INFO L185 Difference]: Start difference. First operand has 76 places, 54 transitions, 630 flow. Second operand 14 states and 1280 transitions. [2021-03-11 20:16:30,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 69 transitions, 961 flow [2021-03-11 20:16:30,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 69 transitions, 911 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-03-11 20:16:30,738 INFO L241 Difference]: Finished difference. Result has 87 places, 65 transitions, 832 flow [2021-03-11 20:16:30,738 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=832, PETRI_PLACES=87, PETRI_TRANSITIONS=65} [2021-03-11 20:16:30,738 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 60 predicate places. [2021-03-11 20:16:30,738 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 65 transitions, 832 flow [2021-03-11 20:16:30,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 90.0) internal successors, (900), 10 states have internal predecessors, (900), 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 20:16:30,738 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:30,738 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:30,738 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-11 20:16:30,739 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:30,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:30,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1112585474, now seen corresponding path program 3 times [2021-03-11 20:16:30,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:30,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459314846] [2021-03-11 20:16:30,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:30,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:30,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 20:16:30,814 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-11 20:16:30,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 20:16:30,824 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-03-11 20:16:30,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 20:16:30,839 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-11 20:16:30,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-11 20:16:30,852 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-03-11 20:16:30,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-11 20:16:30,862 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size [2021-03-11 20:16:30,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-11 20:16:30,886 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 20:16:30,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459314846] [2021-03-11 20:16:30,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:30,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 20:16:30,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460672307] [2021-03-11 20:16:30,887 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 20:16:30,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:30,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 20:16:30,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-11 20:16:30,888 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 159 [2021-03-11 20:16:30,889 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 65 transitions, 832 flow. Second operand has 8 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 20:16:30,889 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:30,889 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 159 [2021-03-11 20:16:30,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:31,180 INFO L129 PetriNetUnfolder]: 21/93 cut-off events. [2021-03-11 20:16:31,180 INFO L130 PetriNetUnfolder]: For 723/732 co-relation queries the response was YES. [2021-03-11 20:16:31,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 667 conditions, 93 events. 21/93 cut-off events. For 723/732 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 368 event pairs, 0 based on Foata normal form. 6/99 useless extension candidates. Maximal degree in co-relation 635. Up to 38 conditions per place. [2021-03-11 20:16:31,181 INFO L132 encePairwiseOnDemand]: 149/159 looper letters, 22 selfloop transitions, 26 changer transitions 13/68 dead transitions. [2021-03-11 20:16:31,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 68 transitions, 1002 flow [2021-03-11 20:16:31,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 20:16:31,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-11 20:16:31,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 877 transitions. [2021-03-11 20:16:31,183 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6128581411600279 [2021-03-11 20:16:31,183 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 877 transitions. [2021-03-11 20:16:31,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 877 transitions. [2021-03-11 20:16:31,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:31,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 877 transitions. [2021-03-11 20:16:31,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 97.44444444444444) internal successors, (877), 9 states have internal predecessors, (877), 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 20:16:31,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 159.0) internal successors, (1590), 10 states have internal predecessors, (1590), 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 20:16:31,189 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 159.0) internal successors, (1590), 10 states have internal predecessors, (1590), 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 20:16:31,189 INFO L185 Difference]: Start difference. First operand has 87 places, 65 transitions, 832 flow. Second operand 9 states and 877 transitions. [2021-03-11 20:16:31,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 68 transitions, 1002 flow [2021-03-11 20:16:31,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 68 transitions, 937 flow, removed 28 selfloop flow, removed 5 redundant places. [2021-03-11 20:16:31,198 INFO L241 Difference]: Finished difference. Result has 91 places, 55 transitions, 715 flow [2021-03-11 20:16:31,198 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=771, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=715, PETRI_PLACES=91, PETRI_TRANSITIONS=55} [2021-03-11 20:16:31,198 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 64 predicate places. [2021-03-11 20:16:31,199 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 55 transitions, 715 flow [2021-03-11 20:16:31,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 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 20:16:31,199 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:31,199 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:31,199 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-11 20:16:31,199 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:31,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:31,199 INFO L82 PathProgramCache]: Analyzing trace with hash 2017321776, now seen corresponding path program 1 times [2021-03-11 20:16:31,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:31,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885433640] [2021-03-11 20:16:31,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:31,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:31,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 20:16:31,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:31,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 20:16:31,334 INFO L142 QuantifierPusher]: treesize reduction 34, result has 59.0 percent of original size [2021-03-11 20:16:31,335 INFO L147 QuantifierPusher]: treesize reduction 8, result has 83.7 percent of original size 41 [2021-03-11 20:16:31,366 INFO L142 QuantifierPusher]: treesize reduction 35, result has 41.7 percent of original size [2021-03-11 20:16:31,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-11 20:16:31,375 INFO L142 QuantifierPusher]: treesize reduction 70, result has 68.0 percent of original size [2021-03-11 20:16:31,377 INFO L147 QuantifierPusher]: treesize reduction 18, result has 87.9 percent of original size 131 [2021-03-11 20:16:31,439 INFO L142 QuantifierPusher]: treesize reduction 40, result has 43.7 percent of original size [2021-03-11 20:16:31,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-11 20:16:31,469 INFO L142 QuantifierPusher]: treesize reduction 72, result has 64.7 percent of original size [2021-03-11 20:16:31,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-03-11 20:16:31,567 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-11 20:16:31,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 20:16:31,586 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-03-11 20:16:31,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 20:16:31,608 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 20:16:31,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885433640] [2021-03-11 20:16:31,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:31,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 20:16:31,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070577510] [2021-03-11 20:16:31,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 20:16:31,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:31,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 20:16:31,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-03-11 20:16:31,610 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 159 [2021-03-11 20:16:31,611 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 55 transitions, 715 flow. Second operand has 9 states, 9 states have (on average 90.22222222222223) internal successors, (812), 9 states have internal predecessors, (812), 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 20:16:31,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:31,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 159 [2021-03-11 20:16:31,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:32,334 INFO L129 PetriNetUnfolder]: 14/83 cut-off events. [2021-03-11 20:16:32,334 INFO L130 PetriNetUnfolder]: For 699/701 co-relation queries the response was YES. [2021-03-11 20:16:32,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 621 conditions, 83 events. 14/83 cut-off events. For 699/701 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 329 event pairs, 0 based on Foata normal form. 4/87 useless extension candidates. Maximal degree in co-relation 592. Up to 27 conditions per place. [2021-03-11 20:16:32,338 INFO L132 encePairwiseOnDemand]: 151/159 looper letters, 13 selfloop transitions, 12 changer transitions 28/60 dead transitions. [2021-03-11 20:16:32,338 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 60 transitions, 905 flow [2021-03-11 20:16:32,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 20:16:32,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-11 20:16:32,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1094 transitions. [2021-03-11 20:16:32,340 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5733752620545073 [2021-03-11 20:16:32,340 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1094 transitions. [2021-03-11 20:16:32,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1094 transitions. [2021-03-11 20:16:32,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:32,341 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1094 transitions. [2021-03-11 20:16:32,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 91.16666666666667) internal successors, (1094), 12 states have internal predecessors, (1094), 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 20:16:32,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 159.0) internal successors, (2067), 13 states have internal predecessors, (2067), 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 20:16:32,344 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 159.0) internal successors, (2067), 13 states have internal predecessors, (2067), 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 20:16:32,345 INFO L185 Difference]: Start difference. First operand has 91 places, 55 transitions, 715 flow. Second operand 12 states and 1094 transitions. [2021-03-11 20:16:32,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 60 transitions, 905 flow [2021-03-11 20:16:32,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 60 transitions, 718 flow, removed 19 selfloop flow, removed 20 redundant places. [2021-03-11 20:16:32,350 INFO L241 Difference]: Finished difference. Result has 84 places, 32 transitions, 329 flow [2021-03-11 20:16:32,350 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=553, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=329, PETRI_PLACES=84, PETRI_TRANSITIONS=32} [2021-03-11 20:16:32,351 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 57 predicate places. [2021-03-11 20:16:32,351 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 32 transitions, 329 flow [2021-03-11 20:16:32,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 90.22222222222223) internal successors, (812), 9 states have internal predecessors, (812), 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 20:16:32,351 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:16:32,351 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:16:32,351 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-11 20:16:32,351 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:16:32,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:16:32,352 INFO L82 PathProgramCache]: Analyzing trace with hash -975980510, now seen corresponding path program 2 times [2021-03-11 20:16:32,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:16:32,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693614893] [2021-03-11 20:16:32,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:16:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:16:32,420 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-11 20:16:32,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 20:16:32,428 INFO L142 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size [2021-03-11 20:16:32,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 20:16:32,440 INFO L142 QuantifierPusher]: treesize reduction 6, result has 76.0 percent of original size [2021-03-11 20:16:32,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 20:16:32,453 INFO L142 QuantifierPusher]: treesize reduction 6, result has 76.0 percent of original size [2021-03-11 20:16:32,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 20:16:32,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:16:32,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-11 20:16:32,471 INFO L142 QuantifierPusher]: treesize reduction 34, result has 76.4 percent of original size [2021-03-11 20:16:32,472 INFO L147 QuantifierPusher]: treesize reduction 18, result has 83.6 percent of original size 92 [2021-03-11 20:16:32,536 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-11 20:16:32,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-11 20:16:32,565 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.1 percent of original size [2021-03-11 20:16:32,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-11 20:16:32,598 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-03-11 20:16:32,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 20:16:32,614 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 20:16:32,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693614893] [2021-03-11 20:16:32,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:16:32,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 20:16:32,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666572382] [2021-03-11 20:16:32,617 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-11 20:16:32,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:16:32,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-11 20:16:32,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-03-11 20:16:32,618 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 159 [2021-03-11 20:16:32,619 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 32 transitions, 329 flow. Second operand has 10 states, 10 states have (on average 81.2) internal successors, (812), 10 states have internal predecessors, (812), 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 20:16:32,619 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:16:32,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 159 [2021-03-11 20:16:32,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:16:33,438 INFO L129 PetriNetUnfolder]: 19/65 cut-off events. [2021-03-11 20:16:33,438 INFO L130 PetriNetUnfolder]: For 537/539 co-relation queries the response was YES. [2021-03-11 20:16:33,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 394 conditions, 65 events. 19/65 cut-off events. For 537/539 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 156 event pairs, 0 based on Foata normal form. 6/71 useless extension candidates. Maximal degree in co-relation 370. Up to 24 conditions per place. [2021-03-11 20:16:33,438 INFO L132 encePairwiseOnDemand]: 149/159 looper letters, 0 selfloop transitions, 0 changer transitions 45/45 dead transitions. [2021-03-11 20:16:33,438 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 45 transitions, 500 flow [2021-03-11 20:16:33,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-11 20:16:33,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-11 20:16:33,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 989 transitions. [2021-03-11 20:16:33,440 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5183438155136268 [2021-03-11 20:16:33,440 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 989 transitions. [2021-03-11 20:16:33,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 989 transitions. [2021-03-11 20:16:33,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:16:33,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 989 transitions. [2021-03-11 20:16:33,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 82.41666666666667) internal successors, (989), 12 states have internal predecessors, (989), 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 20:16:33,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 159.0) internal successors, (2067), 13 states have internal predecessors, (2067), 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 20:16:33,445 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 159.0) internal successors, (2067), 13 states have internal predecessors, (2067), 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 20:16:33,445 INFO L185 Difference]: Start difference. First operand has 84 places, 32 transitions, 329 flow. Second operand 12 states and 989 transitions. [2021-03-11 20:16:33,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 45 transitions, 500 flow [2021-03-11 20:16:33,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 45 transitions, 363 flow, removed 20 selfloop flow, removed 19 redundant places. [2021-03-11 20:16:33,447 INFO L241 Difference]: Finished difference. Result has 66 places, 0 transitions, 0 flow [2021-03-11 20:16:33,447 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=0, PETRI_PLACES=66, PETRI_TRANSITIONS=0} [2021-03-11 20:16:33,447 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 39 predicate places. [2021-03-11 20:16:33,447 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 0 transitions, 0 flow [2021-03-11 20:16:33,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 81.2) internal successors, (812), 10 states have internal predecessors, (812), 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 20:16:33,448 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-11 20:16:33,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 08:16:33 BasicIcfg [2021-03-11 20:16:33,451 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 20:16:33,452 INFO L168 Benchmark]: Toolchain (without parser) took 18783.34 ms. Allocated memory was 341.8 MB in the beginning and 761.3 MB in the end (delta: 419.4 MB). Free memory was 305.1 MB in the beginning and 488.0 MB in the end (delta: -182.8 MB). Peak memory consumption was 237.4 MB. Max. memory is 16.0 GB. [2021-03-11 20:16:33,452 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 341.8 MB. Free memory was 323.4 MB in the beginning and 323.3 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 20:16:33,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.82 ms. Allocated memory is still 341.8 MB. Free memory was 304.6 MB in the beginning and 298.7 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.0 GB. [2021-03-11 20:16:33,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.56 ms. Allocated memory is still 341.8 MB. Free memory was 298.7 MB in the beginning and 295.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 20:16:33,452 INFO L168 Benchmark]: Boogie Preprocessor took 32.42 ms. Allocated memory is still 341.8 MB. Free memory was 295.6 MB in the beginning and 292.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-11 20:16:33,453 INFO L168 Benchmark]: RCFGBuilder took 2727.92 ms. Allocated memory was 341.8 MB in the beginning and 453.0 MB in the end (delta: 111.1 MB). Free memory was 292.4 MB in the beginning and 336.5 MB in the end (delta: -44.1 MB). Peak memory consumption was 173.0 MB. Max. memory is 16.0 GB. [2021-03-11 20:16:33,453 INFO L168 Benchmark]: TraceAbstraction took 15429.27 ms. Allocated memory was 453.0 MB in the beginning and 761.3 MB in the end (delta: 308.3 MB). Free memory was 335.5 MB in the beginning and 488.0 MB in the end (delta: -152.5 MB). Peak memory consumption was 155.8 MB. Max. memory is 16.0 GB. [2021-03-11 20:16:33,454 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 341.8 MB. Free memory was 323.4 MB in the beginning and 323.3 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 515.82 ms. Allocated memory is still 341.8 MB. Free memory was 304.6 MB in the beginning and 298.7 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 67.56 ms. Allocated memory is still 341.8 MB. Free memory was 298.7 MB in the beginning and 295.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 32.42 ms. Allocated memory is still 341.8 MB. Free memory was 295.6 MB in the beginning and 292.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2727.92 ms. Allocated memory was 341.8 MB in the beginning and 453.0 MB in the end (delta: 111.1 MB). Free memory was 292.4 MB in the beginning and 336.5 MB in the end (delta: -44.1 MB). Peak memory consumption was 173.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 15429.27 ms. Allocated memory was 453.0 MB in the beginning and 761.3 MB in the end (delta: 308.3 MB). Free memory was 335.5 MB in the beginning and 488.0 MB in the end (delta: -152.5 MB). Peak memory consumption was 155.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5319.4ms, 88 PlacesBefore, 27 PlacesAfterwards, 83 TransitionsBefore, 21 TransitionsAfterwards, 1124 CoEnabledTransitionPairs, 6 FixpointIterations, 34 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 74 TotalNumberOfCompositions, 2940 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1226, positive: 1096, positive conditional: 0, positive unconditional: 1096, negative: 130, negative conditional: 0, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 710, positive: 676, positive conditional: 0, positive unconditional: 676, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 710, positive: 665, positive conditional: 0, positive unconditional: 665, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 890, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 858, negative conditional: 0, negative unconditional: 858, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1226, positive: 420, positive conditional: 0, positive unconditional: 420, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 710, unknown conditional: 0, unknown unconditional: 710] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: 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, 84 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 15255.4ms, OverallIterations: 19, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 5768.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5411.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 115 SDtfs, 159 SDslu, 160 SDs, 0 SdLazy, 1474 SolverSat, 361 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2079.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 189 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 3964.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=850occurred in iteration=13, InterpolantAutomatonStates: 156, 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: 68.9ms SsaConstructionTime, 742.2ms SatisfiabilityAnalysisTime, 3028.3ms InterpolantComputationTime, 255 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 236 ConstructedInterpolants, 0 QuantifiedInterpolants, 2989 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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...