/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe012_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 16:05:59,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 16:05:59,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 16:05:59,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 16:05:59,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 16:05:59,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 16:05:59,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 16:05:59,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 16:05:59,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 16:05:59,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 16:05:59,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 16:05:59,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 16:05:59,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 16:05:59,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 16:05:59,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 16:05:59,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 16:05:59,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 16:05:59,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 16:05:59,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 16:05:59,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 16:05:59,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 16:05:59,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 16:05:59,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 16:05:59,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 16:05:59,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 16:05:59,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 16:05:59,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 16:05:59,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 16:05:59,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 16:05:59,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 16:05:59,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 16:05:59,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 16:05:59,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 16:05:59,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 16:05:59,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 16:05:59,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 16:05:59,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 16:05:59,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 16:05:59,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 16:05:59,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 16:05:59,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 16:05:59,269 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-06-11 16:05:59,302 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 16:05:59,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 16:05:59,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 16:05:59,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 16:05:59,305 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 16:05:59,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 16:05:59,305 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 16:05:59,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 16:05:59,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 16:05:59,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 16:05:59,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 16:05:59,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 16:05:59,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 16:05:59,307 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 16:05:59,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 16:05:59,307 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 16:05:59,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 16:05:59,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 16:05:59,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 16:05:59,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 16:05:59,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 16:05:59,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 16:05:59,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 16:05:59,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 16:05:59,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 16:05:59,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 16:05:59,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 16:05:59,309 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-06-11 16:05:59,309 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 16:05:59,309 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 16:05:59,309 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 16:05:59,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 16:05:59,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 16:05:59,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 16:05:59,649 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 16:05:59,649 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 16:05:59,650 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe012_pso.opt.i [2021-06-11 16:05:59,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe4fec1e1/978ec780ec3143909e81362ea81cd667/FLAGacd673ec4 [2021-06-11 16:06:00,168 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 16:06:00,168 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe012_pso.opt.i [2021-06-11 16:06:00,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe4fec1e1/978ec780ec3143909e81362ea81cd667/FLAGacd673ec4 [2021-06-11 16:06:00,688 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe4fec1e1/978ec780ec3143909e81362ea81cd667 [2021-06-11 16:06:00,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 16:06:00,691 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 16:06:00,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 16:06:00,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 16:06:00,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 16:06:00,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 04:06:00" (1/1) ... [2021-06-11 16:06:00,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69ce317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:06:00, skipping insertion in model container [2021-06-11 16:06:00,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 04:06:00" (1/1) ... [2021-06-11 16:06:00,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 16:06:00,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 16:06:00,862 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/safe012_pso.opt.i[992,1005] [2021-06-11 16:06:01,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 16:06:01,071 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 16:06:01,082 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/safe012_pso.opt.i[992,1005] [2021-06-11 16:06:01,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 16:06:01,198 INFO L208 MainTranslator]: Completed translation [2021-06-11 16:06:01,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:06:01 WrapperNode [2021-06-11 16:06:01,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 16:06:01,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 16:06:01,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 16:06:01,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 16:06:01,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:06:01" (1/1) ... [2021-06-11 16:06:01,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:06:01" (1/1) ... [2021-06-11 16:06:01,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 16:06:01,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 16:06:01,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 16:06:01,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 16:06:01,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:06:01" (1/1) ... [2021-06-11 16:06:01,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:06:01" (1/1) ... [2021-06-11 16:06:01,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:06:01" (1/1) ... [2021-06-11 16:06:01,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:06:01" (1/1) ... [2021-06-11 16:06:01,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:06:01" (1/1) ... [2021-06-11 16:06:01,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:06:01" (1/1) ... [2021-06-11 16:06:01,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:06:01" (1/1) ... [2021-06-11 16:06:01,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 16:06:01,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 16:06:01,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 16:06:01,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 16:06:01,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:06:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 16:06:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 16:06:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 16:06:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 16:06:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 16:06:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-11 16:06:01,337 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-11 16:06:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-11 16:06:01,338 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-11 16:06:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-11 16:06:01,338 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-11 16:06:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 16:06:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 16:06:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 16:06:01,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 16:06:01,339 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 16:06:02,870 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 16:06:02,871 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-11 16:06:02,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 04:06:02 BoogieIcfgContainer [2021-06-11 16:06:02,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 16:06:02,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 16:06:02,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 16:06:02,876 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 16:06:02,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 04:06:00" (1/3) ... [2021-06-11 16:06:02,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e9b7cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 04:06:02, skipping insertion in model container [2021-06-11 16:06:02,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:06:01" (2/3) ... [2021-06-11 16:06:02,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e9b7cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 04:06:02, skipping insertion in model container [2021-06-11 16:06:02,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 04:06:02" (3/3) ... [2021-06-11 16:06:02,879 INFO L111 eAbstractionObserver]: Analyzing ICFG safe012_pso.opt.i [2021-06-11 16:06:02,887 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 16:06:02,891 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-11 16:06:02,892 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 16:06:02,930 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,930 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,930 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,931 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,931 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,931 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,933 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,933 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,933 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,933 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,938 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,938 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,939 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,939 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,939 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,939 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,939 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,939 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,939 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,939 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,939 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,939 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,939 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,942 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,942 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,942 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,943 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,943 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,943 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,943 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,943 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,943 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,943 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,945 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,945 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,945 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,945 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,947 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,947 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,947 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,947 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,947 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,949 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,951 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,951 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,955 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,955 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,958 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,958 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,958 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,958 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,958 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,959 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,959 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,959 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,959 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,959 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,959 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,959 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,959 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,959 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,959 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,959 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,960 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,960 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,960 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,960 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,960 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,960 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,960 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,961 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,961 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,961 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,961 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,963 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,964 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,966 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,966 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,966 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,966 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,967 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,967 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,967 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,967 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,968 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,969 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,969 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,971 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,971 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,971 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,971 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,971 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,971 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,971 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,971 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,971 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,972 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:06:02,972 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 16:06:02,988 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-06-11 16:06:03,016 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 16:06:03,016 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 16:06:03,016 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 16:06:03,016 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 16:06:03,016 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 16:06:03,016 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 16:06:03,016 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 16:06:03,016 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 16:06:03,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 98 transitions, 211 flow [2021-06-11 16:06:03,072 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2021-06-11 16:06:03,072 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:06:03,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-06-11 16:06:03,088 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 98 transitions, 211 flow [2021-06-11 16:06:03,091 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 95 transitions, 199 flow [2021-06-11 16:06:03,093 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:06:03,106 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 95 transitions, 199 flow [2021-06-11 16:06:03,108 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 95 transitions, 199 flow [2021-06-11 16:06:03,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 95 transitions, 199 flow [2021-06-11 16:06:03,140 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2021-06-11 16:06:03,141 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:06:03,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-06-11 16:06:03,145 INFO L151 LiptonReduction]: Number of co-enabled transitions 1586 [2021-06-11 16:06:03,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:03,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:03,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:03,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:06:03,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:06:03,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:03,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:03,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:03,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:06:03,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:06:03,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:03,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:03,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:03,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:03,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:03,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:03,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:03,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:03,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:03,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:03,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:03,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:03,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:03,611 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 16:06:03,611 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:06:03,636 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:03,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:03,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:03,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:03,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:03,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:04,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:04,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:06:04,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:06:04,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:04,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:04,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:04,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:04,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:04,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:04,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:04,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:04,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:04,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:04,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:04,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:04,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:04,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:06:04,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 16:06:04,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:04,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:04,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:04,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:04,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:04,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:04,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:04,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:05,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:05,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:05,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:05,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:05,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:05,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:05,262 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-06-11 16:06:05,723 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-06-11 16:06:05,830 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-06-11 16:06:05,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:05,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:05,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:05,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 16:06:05,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:05,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:05,884 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 1] term [2021-06-11 16:06:05,884 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:06:05,887 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:05,889 INFO L147 QuantifierPusher]: treesize reduction 37, result has 63.0 percent of original size 63 [2021-06-11 16:06:05,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:05,891 INFO L142 QuantifierPusher]: treesize reduction 37, result has 76.9 percent of original size [2021-06-11 16:06:05,892 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 4, 2, 1] term [2021-06-11 16:06:05,892 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:06:05,894 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:05,896 INFO L147 QuantifierPusher]: treesize reduction 89, result has 36.0 percent of original size 50 [2021-06-11 16:06:05,897 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 2, 4, 2, 1] term [2021-06-11 16:06:05,897 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:06:05,900 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:05,910 INFO L147 QuantifierPusher]: treesize reduction 154, result has 42.1 percent of original size 112 [2021-06-11 16:06:05,954 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 16:06:05,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:05,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:05,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:05,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:05,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:06,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:06,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:06,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:06,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:06,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:06,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:06:06,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:06:06,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:06,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:06,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:06,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:06,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:06,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:06,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:06,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:06,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:06,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 16:06:06,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 16:06:06,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:06,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:06,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:06,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:06,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 16:06:06,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 16:06:06,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:06,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:06,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 16:06:06,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-06-11 16:06:06,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:06,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:06,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:06,604 INFO L147 QuantifierPusher]: treesize reduction 80, result has 25.2 percent of original size 27 [2021-06-11 16:06:06,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:06,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:06,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:06,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:06,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:06,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:06,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:06,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:07,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:07,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:07,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:07,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:07,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:07,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:07,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:07,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:07,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:07,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:06:07,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:06:07,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:07,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:07,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:07,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:07,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:07,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:06:07,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:06:07,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:07,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:08,313 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-06-11 16:06:08,458 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-06-11 16:06:08,759 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-06-11 16:06:08,885 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-06-11 16:06:08,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:08,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:08,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:08,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:06:08,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:06:08,994 INFO L163 LiptonReduction]: Checked pairs total: 4277 [2021-06-11 16:06:08,994 INFO L165 LiptonReduction]: Total number of compositions: 91 [2021-06-11 16:06:08,997 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5905 [2021-06-11 16:06:09,008 INFO L129 PetriNetUnfolder]: 0/7 cut-off events. [2021-06-11 16:06:09,008 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:06:09,008 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:06:09,009 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-06-11 16:06:09,009 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:06:09,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:06:09,013 INFO L82 PathProgramCache]: Analyzing trace with hash 938092434, now seen corresponding path program 1 times [2021-06-11 16:06:09,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:06:09,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097382577] [2021-06-11 16:06:09,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:06:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:06:09,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:09,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:06:09,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:06:09,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097382577] [2021-06-11 16:06:09,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:06:09,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 16:06:09,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895634543] [2021-06-11 16:06:09,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 16:06:09,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:06:09,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 16:06:09,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 16:06:09,249 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 189 [2021-06-11 16:06:09,254 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 26 transitions, 61 flow. Second operand has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,254 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:06:09,254 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 189 [2021-06-11 16:06:09,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:06:09,310 INFO L129 PetriNetUnfolder]: 29/96 cut-off events. [2021-06-11 16:06:09,310 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:06:09,311 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 96 events. 29/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 379 event pairs, 15 based on Foata normal form. 23/101 useless extension candidates. Maximal degree in co-relation 150. Up to 41 conditions per place. [2021-06-11 16:06:09,312 INFO L132 encePairwiseOnDemand]: 184/189 looper letters, 7 selfloop transitions, 2 changer transitions 0/26 dead transitions. [2021-06-11 16:06:09,312 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 26 transitions, 79 flow [2021-06-11 16:06:09,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 16:06:09,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 16:06:09,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 485 transitions. [2021-06-11 16:06:09,324 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.855379188712522 [2021-06-11 16:06:09,328 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 485 transitions. [2021-06-11 16:06:09,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 485 transitions. [2021-06-11 16:06:09,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:06:09,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 485 transitions. [2021-06-11 16:06:09,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,347 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,348 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,350 INFO L185 Difference]: Start difference. First operand has 35 places, 26 transitions, 61 flow. Second operand 3 states and 485 transitions. [2021-06-11 16:06:09,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 26 transitions, 79 flow [2021-06-11 16:06:09,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 26 transitions, 76 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 16:06:09,353 INFO L241 Difference]: Finished difference. Result has 32 places, 23 transitions, 56 flow [2021-06-11 16:06:09,355 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=56, PETRI_PLACES=32, PETRI_TRANSITIONS=23} [2021-06-11 16:06:09,355 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, -3 predicate places. [2021-06-11 16:06:09,355 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:06:09,356 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 23 transitions, 56 flow [2021-06-11 16:06:09,356 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 23 transitions, 56 flow [2021-06-11 16:06:09,357 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 23 transitions, 56 flow [2021-06-11 16:06:09,360 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-06-11 16:06:09,360 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:06:09,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 23 events. 0/23 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 16:06:09,361 INFO L151 LiptonReduction]: Number of co-enabled transitions 244 [2021-06-11 16:06:09,396 INFO L163 LiptonReduction]: Checked pairs total: 270 [2021-06-11 16:06:09,397 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:06:09,397 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-06-11 16:06:09,398 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 23 transitions, 56 flow [2021-06-11 16:06:09,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,398 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:06:09,398 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:06:09,398 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 16:06:09,399 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:06:09,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:06:09,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1675800299, now seen corresponding path program 1 times [2021-06-11 16:06:09,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:06:09,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049829466] [2021-06-11 16:06:09,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:06:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:06:09,508 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-11 16:06:09,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:06:09,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:06:09,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049829466] [2021-06-11 16:06:09,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:06:09,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 16:06:09,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492634316] [2021-06-11 16:06:09,517 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 16:06:09,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:06:09,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 16:06:09,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 16:06:09,519 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 189 [2021-06-11 16:06:09,520 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 23 transitions, 56 flow. Second operand has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,520 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:06:09,520 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 189 [2021-06-11 16:06:09,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:06:09,559 INFO L129 PetriNetUnfolder]: 14/74 cut-off events. [2021-06-11 16:06:09,559 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:06:09,560 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 74 events. 14/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 273 event pairs, 6 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 112. Up to 30 conditions per place. [2021-06-11 16:06:09,560 INFO L132 encePairwiseOnDemand]: 183/189 looper letters, 4 selfloop transitions, 3 changer transitions 4/27 dead transitions. [2021-06-11 16:06:09,560 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 27 transitions, 84 flow [2021-06-11 16:06:09,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 16:06:09,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 16:06:09,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 470 transitions. [2021-06-11 16:06:09,564 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8289241622574955 [2021-06-11 16:06:09,564 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 470 transitions. [2021-06-11 16:06:09,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 470 transitions. [2021-06-11 16:06:09,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:06:09,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 470 transitions. [2021-06-11 16:06:09,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,568 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,568 INFO L185 Difference]: Start difference. First operand has 32 places, 23 transitions, 56 flow. Second operand 3 states and 470 transitions. [2021-06-11 16:06:09,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 27 transitions, 84 flow [2021-06-11 16:06:09,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 27 transitions, 80 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 16:06:09,570 INFO L241 Difference]: Finished difference. Result has 33 places, 23 transitions, 69 flow [2021-06-11 16:06:09,570 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=69, PETRI_PLACES=33, PETRI_TRANSITIONS=23} [2021-06-11 16:06:09,570 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, -2 predicate places. [2021-06-11 16:06:09,570 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:06:09,571 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 23 transitions, 69 flow [2021-06-11 16:06:09,571 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 23 transitions, 69 flow [2021-06-11 16:06:09,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 23 transitions, 69 flow [2021-06-11 16:06:09,578 INFO L129 PetriNetUnfolder]: 7/37 cut-off events. [2021-06-11 16:06:09,578 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:06:09,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 37 events. 7/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 92 event pairs, 3 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 58. Up to 18 conditions per place. [2021-06-11 16:06:09,579 INFO L151 LiptonReduction]: Number of co-enabled transitions 226 [2021-06-11 16:06:09,582 INFO L163 LiptonReduction]: Checked pairs total: 173 [2021-06-11 16:06:09,582 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:06:09,582 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-06-11 16:06:09,584 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 23 transitions, 69 flow [2021-06-11 16:06:09,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,585 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:06:09,585 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:06:09,585 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 16:06:09,585 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:06:09,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:06:09,585 INFO L82 PathProgramCache]: Analyzing trace with hash 410201051, now seen corresponding path program 1 times [2021-06-11 16:06:09,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:06:09,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905722945] [2021-06-11 16:06:09,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:06:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:06:09,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:09,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:06:09,685 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-11 16:06:09,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:06:09,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:06:09,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905722945] [2021-06-11 16:06:09,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:06:09,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:06:09,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196399917] [2021-06-11 16:06:09,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:06:09,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:06:09,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:06:09,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:06:09,694 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 189 [2021-06-11 16:06:09,695 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 23 transitions, 69 flow. Second operand has 4 states, 4 states have (on average 153.75) internal successors, (615), 4 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,695 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:06:09,695 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 189 [2021-06-11 16:06:09,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:06:09,715 INFO L129 PetriNetUnfolder]: 4/35 cut-off events. [2021-06-11 16:06:09,715 INFO L130 PetriNetUnfolder]: For 8/30 co-relation queries the response was YES. [2021-06-11 16:06:09,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 35 events. 4/35 cut-off events. For 8/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 82 event pairs, 0 based on Foata normal form. 1/33 useless extension candidates. Maximal degree in co-relation 63. Up to 13 conditions per place. [2021-06-11 16:06:09,716 INFO L132 encePairwiseOnDemand]: 186/189 looper letters, 5 selfloop transitions, 3 changer transitions 0/24 dead transitions. [2021-06-11 16:06:09,716 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 24 transitions, 89 flow [2021-06-11 16:06:09,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 16:06:09,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 16:06:09,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 467 transitions. [2021-06-11 16:06:09,718 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8236331569664903 [2021-06-11 16:06:09,718 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 467 transitions. [2021-06-11 16:06:09,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 467 transitions. [2021-06-11 16:06:09,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:06:09,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 467 transitions. [2021-06-11 16:06:09,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,720 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,721 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,721 INFO L185 Difference]: Start difference. First operand has 31 places, 23 transitions, 69 flow. Second operand 3 states and 467 transitions. [2021-06-11 16:06:09,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 24 transitions, 89 flow [2021-06-11 16:06:09,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 24 transitions, 86 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 16:06:09,722 INFO L241 Difference]: Finished difference. Result has 33 places, 23 transitions, 77 flow [2021-06-11 16:06:09,722 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=77, PETRI_PLACES=33, PETRI_TRANSITIONS=23} [2021-06-11 16:06:09,723 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, -2 predicate places. [2021-06-11 16:06:09,723 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:06:09,723 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 23 transitions, 77 flow [2021-06-11 16:06:09,723 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 23 transitions, 77 flow [2021-06-11 16:06:09,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 23 transitions, 77 flow [2021-06-11 16:06:09,728 INFO L129 PetriNetUnfolder]: 4/31 cut-off events. [2021-06-11 16:06:09,728 INFO L130 PetriNetUnfolder]: For 6/8 co-relation queries the response was YES. [2021-06-11 16:06:09,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 31 events. 4/31 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 76 event pairs, 2 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 54. Up to 13 conditions per place. [2021-06-11 16:06:09,729 INFO L151 LiptonReduction]: Number of co-enabled transitions 226 [2021-06-11 16:06:09,731 INFO L163 LiptonReduction]: Checked pairs total: 173 [2021-06-11 16:06:09,731 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:06:09,731 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-06-11 16:06:09,731 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 23 transitions, 77 flow [2021-06-11 16:06:09,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 153.75) internal successors, (615), 4 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,732 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:06:09,732 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:06:09,732 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 16:06:09,732 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:06:09,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:06:09,733 INFO L82 PathProgramCache]: Analyzing trace with hash 409495429, now seen corresponding path program 1 times [2021-06-11 16:06:09,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:06:09,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971182171] [2021-06-11 16:06:09,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:06:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:06:09,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:09,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:06:09,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:06:09,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971182171] [2021-06-11 16:06:09,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:06:09,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 16:06:09,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087593559] [2021-06-11 16:06:09,781 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 16:06:09,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:06:09,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 16:06:09,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 16:06:09,783 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 189 [2021-06-11 16:06:09,783 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 23 transitions, 77 flow. Second operand has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,783 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:06:09,783 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 189 [2021-06-11 16:06:09,784 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:06:09,796 INFO L129 PetriNetUnfolder]: 3/32 cut-off events. [2021-06-11 16:06:09,796 INFO L130 PetriNetUnfolder]: For 16/24 co-relation queries the response was YES. [2021-06-11 16:06:09,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 32 events. 3/32 cut-off events. For 16/24 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 72 event pairs, 2 based on Foata normal form. 1/31 useless extension candidates. Maximal degree in co-relation 56. Up to 11 conditions per place. [2021-06-11 16:06:09,797 INFO L132 encePairwiseOnDemand]: 186/189 looper letters, 1 selfloop transitions, 3 changer transitions 0/23 dead transitions. [2021-06-11 16:06:09,797 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 23 transitions, 85 flow [2021-06-11 16:06:09,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 16:06:09,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 16:06:09,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 481 transitions. [2021-06-11 16:06:09,799 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8483245149911817 [2021-06-11 16:06:09,799 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 481 transitions. [2021-06-11 16:06:09,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 481 transitions. [2021-06-11 16:06:09,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:06:09,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 481 transitions. [2021-06-11 16:06:09,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,801 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,802 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,802 INFO L185 Difference]: Start difference. First operand has 33 places, 23 transitions, 77 flow. Second operand 3 states and 481 transitions. [2021-06-11 16:06:09,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 23 transitions, 85 flow [2021-06-11 16:06:09,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 23 transitions, 79 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 16:06:09,804 INFO L241 Difference]: Finished difference. Result has 34 places, 23 transitions, 82 flow [2021-06-11 16:06:09,804 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=71, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=34, PETRI_TRANSITIONS=23} [2021-06-11 16:06:09,804 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, -1 predicate places. [2021-06-11 16:06:09,804 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:06:09,827 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 23 transitions, 82 flow [2021-06-11 16:06:09,828 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 23 transitions, 82 flow [2021-06-11 16:06:09,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 23 transitions, 82 flow [2021-06-11 16:06:09,835 INFO L129 PetriNetUnfolder]: 3/32 cut-off events. [2021-06-11 16:06:09,835 INFO L130 PetriNetUnfolder]: For 9/16 co-relation queries the response was YES. [2021-06-11 16:06:09,835 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 32 events. 3/32 cut-off events. For 9/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 78 event pairs, 2 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 55. Up to 11 conditions per place. [2021-06-11 16:06:09,837 INFO L151 LiptonReduction]: Number of co-enabled transitions 226 [2021-06-11 16:06:09,839 INFO L163 LiptonReduction]: Checked pairs total: 173 [2021-06-11 16:06:09,839 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:06:09,839 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-06-11 16:06:09,840 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 23 transitions, 82 flow [2021-06-11 16:06:09,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,840 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:06:09,840 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:06:09,841 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 16:06:09,841 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:06:09,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:06:09,841 INFO L82 PathProgramCache]: Analyzing trace with hash -198638045, now seen corresponding path program 1 times [2021-06-11 16:06:09,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:06:09,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176543073] [2021-06-11 16:06:09,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:06:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:06:09,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:09,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:06:09,879 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-11 16:06:09,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:06:09,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:06:09,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176543073] [2021-06-11 16:06:09,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:06:09,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:06:09,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487258691] [2021-06-11 16:06:09,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:06:09,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:06:09,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:06:09,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:06:09,890 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 189 [2021-06-11 16:06:09,891 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 23 transitions, 82 flow. Second operand has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,891 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:06:09,891 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 189 [2021-06-11 16:06:09,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:06:09,933 INFO L129 PetriNetUnfolder]: 13/75 cut-off events. [2021-06-11 16:06:09,933 INFO L130 PetriNetUnfolder]: For 47/76 co-relation queries the response was YES. [2021-06-11 16:06:09,934 INFO L84 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 75 events. 13/75 cut-off events. For 47/76 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 325 event pairs, 0 based on Foata normal form. 10/82 useless extension candidates. Maximal degree in co-relation 157. Up to 24 conditions per place. [2021-06-11 16:06:09,934 INFO L132 encePairwiseOnDemand]: 183/189 looper letters, 7 selfloop transitions, 11 changer transitions 0/33 dead transitions. [2021-06-11 16:06:09,934 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 33 transitions, 171 flow [2021-06-11 16:06:09,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 16:06:09,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 16:06:09,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 748 transitions. [2021-06-11 16:06:09,937 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7915343915343915 [2021-06-11 16:06:09,937 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 748 transitions. [2021-06-11 16:06:09,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 748 transitions. [2021-06-11 16:06:09,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:06:09,937 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 748 transitions. [2021-06-11 16:06:09,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 149.6) internal successors, (748), 5 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,941 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:09,941 INFO L185 Difference]: Start difference. First operand has 34 places, 23 transitions, 82 flow. Second operand 5 states and 748 transitions. [2021-06-11 16:06:09,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 33 transitions, 171 flow [2021-06-11 16:06:09,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 33 transitions, 159 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 16:06:09,943 INFO L241 Difference]: Finished difference. Result has 39 places, 31 transitions, 163 flow [2021-06-11 16:06:09,943 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=163, PETRI_PLACES=39, PETRI_TRANSITIONS=31} [2021-06-11 16:06:09,943 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, 4 predicate places. [2021-06-11 16:06:09,943 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:06:09,944 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 31 transitions, 163 flow [2021-06-11 16:06:09,944 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 31 transitions, 163 flow [2021-06-11 16:06:09,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 31 transitions, 163 flow [2021-06-11 16:06:09,954 INFO L129 PetriNetUnfolder]: 9/68 cut-off events. [2021-06-11 16:06:09,954 INFO L130 PetriNetUnfolder]: For 41/50 co-relation queries the response was YES. [2021-06-11 16:06:09,954 INFO L84 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 68 events. 9/68 cut-off events. For 41/50 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 290 event pairs, 3 based on Foata normal form. 2/68 useless extension candidates. Maximal degree in co-relation 166. Up to 24 conditions per place. [2021-06-11 16:06:09,955 INFO L151 LiptonReduction]: Number of co-enabled transitions 318 [2021-06-11 16:06:10,030 INFO L163 LiptonReduction]: Checked pairs total: 193 [2021-06-11 16:06:10,030 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:06:10,030 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 87 [2021-06-11 16:06:10,031 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 163 flow [2021-06-11 16:06:10,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,031 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:06:10,031 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:06:10,031 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 16:06:10,031 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:06:10,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:06:10,032 INFO L82 PathProgramCache]: Analyzing trace with hash -190544255, now seen corresponding path program 2 times [2021-06-11 16:06:10,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:06:10,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56255469] [2021-06-11 16:06:10,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:06:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:06:10,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:10,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:06:10,065 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-11 16:06:10,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:06:10,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:06:10,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56255469] [2021-06-11 16:06:10,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:06:10,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:06:10,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249010490] [2021-06-11 16:06:10,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:06:10,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:06:10,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:06:10,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:06:10,075 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 189 [2021-06-11 16:06:10,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 31 transitions, 163 flow. Second operand has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,076 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:06:10,076 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 189 [2021-06-11 16:06:10,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:06:10,121 INFO L129 PetriNetUnfolder]: 21/99 cut-off events. [2021-06-11 16:06:10,121 INFO L130 PetriNetUnfolder]: For 191/247 co-relation queries the response was YES. [2021-06-11 16:06:10,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 303 conditions, 99 events. 21/99 cut-off events. For 191/247 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 447 event pairs, 0 based on Foata normal form. 8/106 useless extension candidates. Maximal degree in co-relation 287. Up to 35 conditions per place. [2021-06-11 16:06:10,122 INFO L132 encePairwiseOnDemand]: 183/189 looper letters, 14 selfloop transitions, 12 changer transitions 1/43 dead transitions. [2021-06-11 16:06:10,122 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 43 transitions, 310 flow [2021-06-11 16:06:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 16:06:10,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 16:06:10,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 746 transitions. [2021-06-11 16:06:10,125 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7894179894179895 [2021-06-11 16:06:10,125 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 746 transitions. [2021-06-11 16:06:10,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 746 transitions. [2021-06-11 16:06:10,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:06:10,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 746 transitions. [2021-06-11 16:06:10,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 149.2) internal successors, (746), 5 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,129 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,129 INFO L185 Difference]: Start difference. First operand has 39 places, 31 transitions, 163 flow. Second operand 5 states and 746 transitions. [2021-06-11 16:06:10,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 43 transitions, 310 flow [2021-06-11 16:06:10,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 43 transitions, 310 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 16:06:10,132 INFO L241 Difference]: Finished difference. Result has 46 places, 38 transitions, 273 flow [2021-06-11 16:06:10,132 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=273, PETRI_PLACES=46, PETRI_TRANSITIONS=38} [2021-06-11 16:06:10,132 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, 11 predicate places. [2021-06-11 16:06:10,132 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:06:10,133 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 38 transitions, 273 flow [2021-06-11 16:06:10,133 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 38 transitions, 273 flow [2021-06-11 16:06:10,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 38 transitions, 273 flow [2021-06-11 16:06:10,146 INFO L129 PetriNetUnfolder]: 14/79 cut-off events. [2021-06-11 16:06:10,146 INFO L130 PetriNetUnfolder]: For 131/143 co-relation queries the response was YES. [2021-06-11 16:06:10,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 79 events. 14/79 cut-off events. For 131/143 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 347 event pairs, 1 based on Foata normal form. 3/81 useless extension candidates. Maximal degree in co-relation 270. Up to 32 conditions per place. [2021-06-11 16:06:10,148 INFO L151 LiptonReduction]: Number of co-enabled transitions 392 [2021-06-11 16:06:10,152 INFO L163 LiptonReduction]: Checked pairs total: 204 [2021-06-11 16:06:10,152 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:06:10,152 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-06-11 16:06:10,153 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 38 transitions, 273 flow [2021-06-11 16:06:10,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,153 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:06:10,153 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:06:10,153 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 16:06:10,153 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:06:10,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:06:10,154 INFO L82 PathProgramCache]: Analyzing trace with hash -933796457, now seen corresponding path program 1 times [2021-06-11 16:06:10,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:06:10,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295999466] [2021-06-11 16:06:10,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:06:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:06:10,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:10,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:06:10,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:10,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:06:10,214 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-11 16:06:10,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:06:10,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:06:10,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295999466] [2021-06-11 16:06:10,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:06:10,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 16:06:10,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933019882] [2021-06-11 16:06:10,224 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 16:06:10,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:06:10,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 16:06:10,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 16:06:10,226 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 189 [2021-06-11 16:06:10,227 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 38 transitions, 273 flow. Second operand has 5 states, 5 states have (on average 147.0) internal successors, (735), 5 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,227 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:06:10,227 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 189 [2021-06-11 16:06:10,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:06:10,265 INFO L129 PetriNetUnfolder]: 15/90 cut-off events. [2021-06-11 16:06:10,265 INFO L130 PetriNetUnfolder]: For 368/447 co-relation queries the response was YES. [2021-06-11 16:06:10,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 328 conditions, 90 events. 15/90 cut-off events. For 368/447 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 412 event pairs, 0 based on Foata normal form. 17/105 useless extension candidates. Maximal degree in co-relation 307. Up to 30 conditions per place. [2021-06-11 16:06:10,265 INFO L132 encePairwiseOnDemand]: 185/189 looper letters, 10 selfloop transitions, 6 changer transitions 12/44 dead transitions. [2021-06-11 16:06:10,266 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 44 transitions, 399 flow [2021-06-11 16:06:10,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:06:10,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:06:10,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 597 transitions. [2021-06-11 16:06:10,271 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7896825396825397 [2021-06-11 16:06:10,271 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 597 transitions. [2021-06-11 16:06:10,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 597 transitions. [2021-06-11 16:06:10,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:06:10,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 597 transitions. [2021-06-11 16:06:10,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 149.25) internal successors, (597), 4 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 189.0) internal successors, (945), 5 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,274 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 189.0) internal successors, (945), 5 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,274 INFO L185 Difference]: Start difference. First operand has 46 places, 38 transitions, 273 flow. Second operand 4 states and 597 transitions. [2021-06-11 16:06:10,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 44 transitions, 399 flow [2021-06-11 16:06:10,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 44 transitions, 376 flow, removed 9 selfloop flow, removed 1 redundant places. [2021-06-11 16:06:10,279 INFO L241 Difference]: Finished difference. Result has 50 places, 30 transitions, 203 flow [2021-06-11 16:06:10,279 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=203, PETRI_PLACES=50, PETRI_TRANSITIONS=30} [2021-06-11 16:06:10,279 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, 15 predicate places. [2021-06-11 16:06:10,280 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:06:10,280 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 30 transitions, 203 flow [2021-06-11 16:06:10,280 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 30 transitions, 203 flow [2021-06-11 16:06:10,280 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 30 transitions, 203 flow [2021-06-11 16:06:10,294 INFO L129 PetriNetUnfolder]: 5/44 cut-off events. [2021-06-11 16:06:10,294 INFO L130 PetriNetUnfolder]: For 118/123 co-relation queries the response was YES. [2021-06-11 16:06:10,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171 conditions, 44 events. 5/44 cut-off events. For 118/123 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 121 event pairs, 1 based on Foata normal form. 2/45 useless extension candidates. Maximal degree in co-relation 149. Up to 16 conditions per place. [2021-06-11 16:06:10,295 INFO L151 LiptonReduction]: Number of co-enabled transitions 268 [2021-06-11 16:06:10,299 INFO L163 LiptonReduction]: Checked pairs total: 136 [2021-06-11 16:06:10,299 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:06:10,299 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-06-11 16:06:10,299 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 30 transitions, 203 flow [2021-06-11 16:06:10,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 147.0) internal successors, (735), 5 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,300 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:06:10,300 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:06:10,300 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-11 16:06:10,300 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:06:10,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:06:10,301 INFO L82 PathProgramCache]: Analyzing trace with hash 911316911, now seen corresponding path program 1 times [2021-06-11 16:06:10,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:06:10,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543276456] [2021-06-11 16:06:10,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:06:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:06:10,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:10,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:06:10,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:10,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:06:10,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:06:10,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543276456] [2021-06-11 16:06:10,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:06:10,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:06:10,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395069836] [2021-06-11 16:06:10,377 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:06:10,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:06:10,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:06:10,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:06:10,379 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 189 [2021-06-11 16:06:10,379 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 30 transitions, 203 flow. Second operand has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,380 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:06:10,380 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 189 [2021-06-11 16:06:10,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:06:10,417 INFO L129 PetriNetUnfolder]: 5/45 cut-off events. [2021-06-11 16:06:10,418 INFO L130 PetriNetUnfolder]: For 239/246 co-relation queries the response was YES. [2021-06-11 16:06:10,418 INFO L84 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 45 events. 5/45 cut-off events. For 239/246 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 124 event pairs, 1 based on Foata normal form. 6/50 useless extension candidates. Maximal degree in co-relation 152. Up to 15 conditions per place. [2021-06-11 16:06:10,418 INFO L132 encePairwiseOnDemand]: 185/189 looper letters, 1 selfloop transitions, 3 changer transitions 10/30 dead transitions. [2021-06-11 16:06:10,418 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 30 transitions, 219 flow [2021-06-11 16:06:10,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:06:10,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:06:10,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 615 transitions. [2021-06-11 16:06:10,420 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8134920634920635 [2021-06-11 16:06:10,421 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 615 transitions. [2021-06-11 16:06:10,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 615 transitions. [2021-06-11 16:06:10,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:06:10,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 615 transitions. [2021-06-11 16:06:10,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 153.75) internal successors, (615), 4 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,424 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 189.0) internal successors, (945), 5 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,424 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 189.0) internal successors, (945), 5 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,424 INFO L185 Difference]: Start difference. First operand has 50 places, 30 transitions, 203 flow. Second operand 4 states and 615 transitions. [2021-06-11 16:06:10,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 30 transitions, 219 flow [2021-06-11 16:06:10,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 30 transitions, 172 flow, removed 10 selfloop flow, removed 8 redundant places. [2021-06-11 16:06:10,427 INFO L241 Difference]: Finished difference. Result has 47 places, 20 transitions, 104 flow [2021-06-11 16:06:10,427 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=104, PETRI_PLACES=47, PETRI_TRANSITIONS=20} [2021-06-11 16:06:10,427 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, 12 predicate places. [2021-06-11 16:06:10,427 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:06:10,427 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 20 transitions, 104 flow [2021-06-11 16:06:10,428 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 20 transitions, 104 flow [2021-06-11 16:06:10,428 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 20 transitions, 104 flow [2021-06-11 16:06:10,432 INFO L129 PetriNetUnfolder]: 1/23 cut-off events. [2021-06-11 16:06:10,432 INFO L130 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2021-06-11 16:06:10,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 23 events. 1/23 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 24 event pairs, 1 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 61. Up to 7 conditions per place. [2021-06-11 16:06:10,433 INFO L151 LiptonReduction]: Number of co-enabled transitions 110 [2021-06-11 16:06:10,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:10,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:10,569 INFO L163 LiptonReduction]: Checked pairs total: 163 [2021-06-11 16:06:10,569 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 16:06:10,569 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 142 [2021-06-11 16:06:10,569 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 19 transitions, 102 flow [2021-06-11 16:06:10,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,570 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:06:10,570 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:06:10,570 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-11 16:06:10,570 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:06:10,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:06:10,571 INFO L82 PathProgramCache]: Analyzing trace with hash 738811555, now seen corresponding path program 1 times [2021-06-11 16:06:10,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:06:10,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919450016] [2021-06-11 16:06:10,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:06:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:06:10,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:10,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:06:10,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:10,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 16:06:10,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:10,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:10,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:06:10,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919450016] [2021-06-11 16:06:10,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:06:10,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 16:06:10,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029520766] [2021-06-11 16:06:10,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:06:10,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:06:10,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:06:10,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:06:10,650 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 190 [2021-06-11 16:06:10,650 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 19 transitions, 102 flow. Second operand has 4 states, 4 states have (on average 153.75) internal successors, (615), 4 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,651 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:06:10,651 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 190 [2021-06-11 16:06:10,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:06:10,680 INFO L129 PetriNetUnfolder]: 32/84 cut-off events. [2021-06-11 16:06:10,681 INFO L130 PetriNetUnfolder]: For 193/205 co-relation queries the response was YES. [2021-06-11 16:06:10,681 INFO L84 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 84 events. 32/84 cut-off events. For 193/205 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 307 event pairs, 15 based on Foata normal form. 8/87 useless extension candidates. Maximal degree in co-relation 230. Up to 48 conditions per place. [2021-06-11 16:06:10,681 INFO L132 encePairwiseOnDemand]: 184/190 looper letters, 5 selfloop transitions, 4 changer transitions 7/29 dead transitions. [2021-06-11 16:06:10,681 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 29 transitions, 154 flow [2021-06-11 16:06:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 16:06:10,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 16:06:10,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 783 transitions. [2021-06-11 16:06:10,684 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8242105263157895 [2021-06-11 16:06:10,684 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 783 transitions. [2021-06-11 16:06:10,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 783 transitions. [2021-06-11 16:06:10,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:06:10,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 783 transitions. [2021-06-11 16:06:10,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 156.6) internal successors, (783), 5 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,688 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,688 INFO L185 Difference]: Start difference. First operand has 43 places, 19 transitions, 102 flow. Second operand 5 states and 783 transitions. [2021-06-11 16:06:10,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 29 transitions, 154 flow [2021-06-11 16:06:10,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 29 transitions, 108 flow, removed 10 selfloop flow, removed 14 redundant places. [2021-06-11 16:06:10,689 INFO L241 Difference]: Finished difference. Result has 36 places, 22 transitions, 92 flow [2021-06-11 16:06:10,689 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=92, PETRI_PLACES=36, PETRI_TRANSITIONS=22} [2021-06-11 16:06:10,689 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, 1 predicate places. [2021-06-11 16:06:10,690 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:06:10,690 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 22 transitions, 92 flow [2021-06-11 16:06:10,690 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 22 transitions, 92 flow [2021-06-11 16:06:10,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 22 transitions, 92 flow [2021-06-11 16:06:10,698 INFO L129 PetriNetUnfolder]: 28/72 cut-off events. [2021-06-11 16:06:10,698 INFO L130 PetriNetUnfolder]: For 43/43 co-relation queries the response was YES. [2021-06-11 16:06:10,698 INFO L84 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 72 events. 28/72 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 243 event pairs, 15 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 187. Up to 40 conditions per place. [2021-06-11 16:06:10,699 INFO L151 LiptonReduction]: Number of co-enabled transitions 96 [2021-06-11 16:06:10,700 INFO L163 LiptonReduction]: Checked pairs total: 72 [2021-06-11 16:06:10,700 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:06:10,700 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-06-11 16:06:10,701 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 22 transitions, 92 flow [2021-06-11 16:06:10,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 153.75) internal successors, (615), 4 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,701 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:06:10,701 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:06:10,702 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-11 16:06:10,702 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:06:10,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:06:10,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1570108955, now seen corresponding path program 1 times [2021-06-11 16:06:10,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:06:10,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160476850] [2021-06-11 16:06:10,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:06:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:06:10,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:10,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:06:10,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:10,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:06:10,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:10,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 16:06:10,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:10,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:10,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:06:10,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160476850] [2021-06-11 16:06:10,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:06:10,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 16:06:10,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453756996] [2021-06-11 16:06:10,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 16:06:10,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:06:10,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 16:06:10,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 16:06:10,751 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 190 [2021-06-11 16:06:10,752 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 22 transitions, 92 flow. Second operand has 5 states, 5 states have (on average 153.8) internal successors, (769), 5 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:06:10,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 190 [2021-06-11 16:06:10,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:06:10,798 INFO L129 PetriNetUnfolder]: 18/58 cut-off events. [2021-06-11 16:06:10,798 INFO L130 PetriNetUnfolder]: For 48/60 co-relation queries the response was YES. [2021-06-11 16:06:10,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 58 events. 18/58 cut-off events. For 48/60 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 144 event pairs, 4 based on Foata normal form. 13/70 useless extension candidates. Maximal degree in co-relation 186. Up to 36 conditions per place. [2021-06-11 16:06:10,799 INFO L132 encePairwiseOnDemand]: 184/190 looper letters, 5 selfloop transitions, 7 changer transitions 7/32 dead transitions. [2021-06-11 16:06:10,799 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 32 transitions, 188 flow [2021-06-11 16:06:10,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 16:06:10,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 16:06:10,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 939 transitions. [2021-06-11 16:06:10,801 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8236842105263158 [2021-06-11 16:06:10,801 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 939 transitions. [2021-06-11 16:06:10,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 939 transitions. [2021-06-11 16:06:10,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:06:10,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 939 transitions. [2021-06-11 16:06:10,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 156.5) internal successors, (939), 6 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,806 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,806 INFO L185 Difference]: Start difference. First operand has 34 places, 22 transitions, 92 flow. Second operand 6 states and 939 transitions. [2021-06-11 16:06:10,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 32 transitions, 188 flow [2021-06-11 16:06:10,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 32 transitions, 182 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-06-11 16:06:10,807 INFO L241 Difference]: Finished difference. Result has 40 places, 25 transitions, 142 flow [2021-06-11 16:06:10,808 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=142, PETRI_PLACES=40, PETRI_TRANSITIONS=25} [2021-06-11 16:06:10,808 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, 5 predicate places. [2021-06-11 16:06:10,808 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:06:10,808 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 25 transitions, 142 flow [2021-06-11 16:06:10,808 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 25 transitions, 142 flow [2021-06-11 16:06:10,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 25 transitions, 142 flow [2021-06-11 16:06:10,814 INFO L129 PetriNetUnfolder]: 13/46 cut-off events. [2021-06-11 16:06:10,814 INFO L130 PetriNetUnfolder]: For 63/68 co-relation queries the response was YES. [2021-06-11 16:06:10,814 INFO L84 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 46 events. 13/46 cut-off events. For 63/68 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 85 event pairs, 3 based on Foata normal form. 2/46 useless extension candidates. Maximal degree in co-relation 154. Up to 24 conditions per place. [2021-06-11 16:06:10,815 INFO L151 LiptonReduction]: Number of co-enabled transitions 88 [2021-06-11 16:06:10,816 INFO L163 LiptonReduction]: Checked pairs total: 96 [2021-06-11 16:06:10,817 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:06:10,817 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-06-11 16:06:10,817 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 25 transitions, 142 flow [2021-06-11 16:06:10,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 153.8) internal successors, (769), 5 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,818 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:06:10,818 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:06:10,818 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 16:06:10,818 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:06:10,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:06:10,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1027496956, now seen corresponding path program 1 times [2021-06-11 16:06:10,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:06:10,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082001280] [2021-06-11 16:06:10,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:06:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:06:10,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:10,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:06:10,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:10,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:06:10,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:10,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:06:10,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:10,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 16:06:10,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:10,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:10,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:06:10,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082001280] [2021-06-11 16:06:10,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:06:10,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 16:06:10,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818289259] [2021-06-11 16:06:10,898 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 16:06:10,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:06:10,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 16:06:10,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 16:06:10,899 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 190 [2021-06-11 16:06:10,900 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 25 transitions, 142 flow. Second operand has 6 states, 6 states have (on average 153.83333333333334) internal successors, (923), 6 states have internal predecessors, (923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,900 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:06:10,900 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 190 [2021-06-11 16:06:10,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:06:10,950 INFO L129 PetriNetUnfolder]: 7/34 cut-off events. [2021-06-11 16:06:10,950 INFO L130 PetriNetUnfolder]: For 62/70 co-relation queries the response was YES. [2021-06-11 16:06:10,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 34 events. 7/34 cut-off events. For 62/70 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 46 event pairs, 0 based on Foata normal form. 12/46 useless extension candidates. Maximal degree in co-relation 128. Up to 20 conditions per place. [2021-06-11 16:06:10,951 INFO L132 encePairwiseOnDemand]: 184/190 looper letters, 2 selfloop transitions, 10 changer transitions 4/29 dead transitions. [2021-06-11 16:06:10,951 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 29 transitions, 210 flow [2021-06-11 16:06:10,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 16:06:10,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 16:06:10,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1089 transitions. [2021-06-11 16:06:10,953 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.818796992481203 [2021-06-11 16:06:10,953 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1089 transitions. [2021-06-11 16:06:10,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1089 transitions. [2021-06-11 16:06:10,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:06:10,954 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1089 transitions. [2021-06-11 16:06:10,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 155.57142857142858) internal successors, (1089), 7 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 190.0) internal successors, (1520), 8 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,958 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 190.0) internal successors, (1520), 8 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:10,958 INFO L185 Difference]: Start difference. First operand has 38 places, 25 transitions, 142 flow. Second operand 7 states and 1089 transitions. [2021-06-11 16:06:10,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 29 transitions, 210 flow [2021-06-11 16:06:10,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 29 transitions, 164 flow, removed 17 selfloop flow, removed 6 redundant places. [2021-06-11 16:06:10,960 INFO L241 Difference]: Finished difference. Result has 41 places, 25 transitions, 134 flow [2021-06-11 16:06:10,960 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=134, PETRI_PLACES=41, PETRI_TRANSITIONS=25} [2021-06-11 16:06:10,960 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, 6 predicate places. [2021-06-11 16:06:10,960 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:06:10,961 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 25 transitions, 134 flow [2021-06-11 16:06:10,961 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 25 transitions, 134 flow [2021-06-11 16:06:10,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 25 transitions, 134 flow [2021-06-11 16:06:10,965 INFO L129 PetriNetUnfolder]: 5/28 cut-off events. [2021-06-11 16:06:10,965 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2021-06-11 16:06:10,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 28 events. 5/28 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 27 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 74. Up to 11 conditions per place. [2021-06-11 16:06:10,965 INFO L151 LiptonReduction]: Number of co-enabled transitions 62 [2021-06-11 16:06:10,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:10,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:11,687 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-06-11 16:06:12,227 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2021-06-11 16:06:13,499 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-06-11 16:06:14,092 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-06-11 16:06:14,126 INFO L142 QuantifierPusher]: treesize reduction 84, result has 90.8 percent of original size [2021-06-11 16:06:14,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:14,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:14,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:06:14,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:14,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:14,139 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.2 percent of original size 55 [2021-06-11 16:06:14,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:14,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:14,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-11 16:06:14,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:14,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:14,158 INFO L147 QuantifierPusher]: treesize reduction 13, result has 82.4 percent of original size 61 [2021-06-11 16:06:14,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:14,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:14,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-11 16:06:14,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:14,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:14,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-11 16:06:14,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:14,168 INFO L142 QuantifierPusher]: treesize reduction 13, result has 92.7 percent of original size [2021-06-11 16:06:14,169 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 2, 2, 4, 3, 2, 1] term [2021-06-11 16:06:14,169 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:06:14,170 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:14,171 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 3, 2, 1] term [2021-06-11 16:06:14,171 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:06:14,172 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:14,173 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 2, 2, 1] term [2021-06-11 16:06:14,173 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:06:14,174 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:14,177 INFO L147 QuantifierPusher]: treesize reduction 155, result has 49.8 percent of original size 154 [2021-06-11 16:06:14,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:06:14,180 INFO L142 QuantifierPusher]: treesize reduction 155, result has 62.6 percent of original size [2021-06-11 16:06:14,180 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 4, 4, 4, 3, 2, 1] term [2021-06-11 16:06:14,180 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:06:14,181 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:14,182 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 4, 4, 2, 2, 1] term [2021-06-11 16:06:14,182 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:06:14,183 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:14,184 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 4, 4, 2, 2, 1] term [2021-06-11 16:06:14,184 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:06:14,185 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:14,187 INFO L147 QuantifierPusher]: treesize reduction 471, result has 20.8 percent of original size 124 [2021-06-11 16:06:14,188 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 4, 4, 4, 4, 3, 4, 2, 2, 1] term [2021-06-11 16:06:14,188 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:06:14,189 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:14,190 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 4, 4, 4, 4, 3, 4, 2, 2, 1] term [2021-06-11 16:06:14,190 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:06:14,190 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:14,191 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 4, 4, 4, 4, 3, 4, 2, 2, 1] term [2021-06-11 16:06:14,191 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 16:06:14,193 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:06:14,203 INFO L147 QuantifierPusher]: treesize reduction 1742, result has 13.4 percent of original size 269 [2021-06-11 16:06:14,336 INFO L163 LiptonReduction]: Checked pairs total: 169 [2021-06-11 16:06:14,336 INFO L165 LiptonReduction]: Total number of compositions: 2 [2021-06-11 16:06:14,336 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3376 [2021-06-11 16:06:14,337 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 23 transitions, 130 flow [2021-06-11 16:06:14,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 153.83333333333334) internal successors, (923), 6 states have internal predecessors, (923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:06:14,337 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:06:14,337 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:06:14,338 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-11 16:06:14,338 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:06:14,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:06:14,338 INFO L82 PathProgramCache]: Analyzing trace with hash 67186098, now seen corresponding path program 1 times [2021-06-11 16:06:14,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:06:14,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727677454] [2021-06-11 16:06:14,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:06:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 16:06:14,386 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 16:06:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 16:06:14,428 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 16:06:14,464 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 16:06:14,465 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 16:06:14,465 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-11 16:06:14,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 04:06:14 BasicIcfg [2021-06-11 16:06:14,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 16:06:14,567 INFO L168 Benchmark]: Toolchain (without parser) took 13875.30 ms. Allocated memory was 388.0 MB in the beginning and 618.7 MB in the end (delta: 230.7 MB). Free memory was 351.0 MB in the beginning and 411.6 MB in the end (delta: -60.6 MB). Peak memory consumption was 172.9 MB. Max. memory is 16.0 GB. [2021-06-11 16:06:14,570 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 388.0 MB. Free memory was 369.2 MB in the beginning and 369.1 MB in the end (delta: 76.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 16:06:14,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 506.01 ms. Allocated memory is still 388.0 MB. Free memory was 350.8 MB in the beginning and 347.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. [2021-06-11 16:06:14,572 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.45 ms. Allocated memory is still 388.0 MB. Free memory was 347.3 MB in the beginning and 344.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-11 16:06:14,572 INFO L168 Benchmark]: Boogie Preprocessor took 34.62 ms. Allocated memory is still 388.0 MB. Free memory was 344.1 MB in the beginning and 342.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 16:06:14,572 INFO L168 Benchmark]: RCFGBuilder took 1582.66 ms. Allocated memory is still 388.0 MB. Free memory was 342.0 MB in the beginning and 305.1 MB in the end (delta: 37.0 MB). Peak memory consumption was 148.1 MB. Max. memory is 16.0 GB. [2021-06-11 16:06:14,572 INFO L168 Benchmark]: TraceAbstraction took 11691.82 ms. Allocated memory was 388.0 MB in the beginning and 618.7 MB in the end (delta: 230.7 MB). Free memory was 305.1 MB in the beginning and 411.6 MB in the end (delta: -106.5 MB). Peak memory consumption was 124.2 MB. Max. memory is 16.0 GB. [2021-06-11 16:06:14,576 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 388.0 MB. Free memory was 369.2 MB in the beginning and 369.1 MB in the end (delta: 76.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 506.01 ms. Allocated memory is still 388.0 MB. Free memory was 350.8 MB in the beginning and 347.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 48.45 ms. Allocated memory is still 388.0 MB. Free memory was 347.3 MB in the beginning and 344.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 34.62 ms. Allocated memory is still 388.0 MB. Free memory was 344.1 MB in the beginning and 342.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1582.66 ms. Allocated memory is still 388.0 MB. Free memory was 342.0 MB in the beginning and 305.1 MB in the end (delta: 37.0 MB). Peak memory consumption was 148.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 11691.82 ms. Allocated memory was 388.0 MB in the beginning and 618.7 MB in the end (delta: 230.7 MB). Free memory was 305.1 MB in the beginning and 411.6 MB in the end (delta: -106.5 MB). Peak memory consumption was 124.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5886.0ms, 103 PlacesBefore, 35 PlacesAfterwards, 95 TransitionsBefore, 26 TransitionsAfterwards, 1586 CoEnabledTransitionPairs, 7 FixpointIterations, 37 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 91 TotalNumberOfCompositions, 4277 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2316, positive: 2181, positive conditional: 2181, positive unconditional: 0, negative: 135, negative conditional: 135, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2316, positive: 2181, positive conditional: 0, positive unconditional: 2181, negative: 135, negative conditional: 0, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2316, positive: 2181, positive conditional: 0, positive unconditional: 2181, negative: 135, negative conditional: 0, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1499, positive: 1446, positive conditional: 0, positive unconditional: 1446, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1499, positive: 1428, positive conditional: 0, positive unconditional: 1428, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 71, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 816, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 766, negative conditional: 0, negative unconditional: 766, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2316, positive: 735, positive conditional: 0, positive unconditional: 735, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 1499, unknown conditional: 0, unknown unconditional: 1499] , Statistics on independence cache: Total cache size (in pairs): 1499, Positive cache size: 1446, Positive conditional cache size: 0, Positive unconditional cache size: 1446, Negative cache size: 53, Negative conditional cache size: 0, Negative unconditional cache size: 53, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.3ms, 32 PlacesBefore, 32 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 244 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 270 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 103, positive: 83, positive conditional: 83, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 103, positive: 83, positive conditional: 2, positive unconditional: 81, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 103, positive: 83, positive conditional: 2, positive unconditional: 81, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, positive: 17, positive conditional: 2, positive unconditional: 15, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 103, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 19, unknown conditional: 2, unknown unconditional: 17] , Statistics on independence cache: Total cache size (in pairs): 1518, Positive cache size: 1463, Positive conditional cache size: 2, Positive unconditional cache size: 1461, Negative cache size: 55, Negative conditional cache size: 0, Negative unconditional cache size: 55, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.9ms, 33 PlacesBefore, 31 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 173 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 60, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 60, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 60, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 1528, Positive cache size: 1473, Positive conditional cache size: 2, Positive unconditional cache size: 1471, Negative cache size: 55, Negative conditional cache size: 0, Negative unconditional cache size: 55, Eliminated conditions: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.5ms, 33 PlacesBefore, 33 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 173 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 66, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 66, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 66, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1528, Positive cache size: 1473, Positive conditional cache size: 2, Positive unconditional cache size: 1471, Negative cache size: 55, Negative conditional cache size: 0, Negative unconditional cache size: 55, Eliminated conditions: 14 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.4ms, 34 PlacesBefore, 34 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 173 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 57, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 57, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 57, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1529, Positive cache size: 1474, Positive conditional cache size: 2, Positive unconditional cache size: 1472, Negative cache size: 55, Negative conditional cache size: 0, Negative unconditional cache size: 55, Eliminated conditions: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 86.3ms, 39 PlacesBefore, 39 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 318 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 193 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 45, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 45, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1531, Positive cache size: 1474, Positive conditional cache size: 2, Positive unconditional cache size: 1472, Negative cache size: 57, Negative conditional cache size: 0, Negative unconditional cache size: 57, Eliminated conditions: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.0ms, 46 PlacesBefore, 46 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 392 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 204 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44, positive: 35, positive conditional: 35, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 44, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 44, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 44, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 1534, Positive cache size: 1477, Positive conditional cache size: 2, Positive unconditional cache size: 1475, Negative cache size: 57, Negative conditional cache size: 0, Negative unconditional cache size: 57, Eliminated conditions: 17 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.8ms, 50 PlacesBefore, 50 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 268 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 136 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1535, Positive cache size: 1478, Positive conditional cache size: 2, Positive unconditional cache size: 1476, Negative cache size: 57, Negative conditional cache size: 0, Negative unconditional cache size: 57, Eliminated conditions: 9 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 141.1ms, 47 PlacesBefore, 43 PlacesAfterwards, 20 TransitionsBefore, 19 TransitionsAfterwards, 110 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 163 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 52, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 52, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 52, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1535, Positive cache size: 1478, Positive conditional cache size: 2, Positive unconditional cache size: 1476, Negative cache size: 57, Negative conditional cache size: 0, Negative unconditional cache size: 57, Eliminated conditions: 14 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.4ms, 36 PlacesBefore, 34 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 72 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1537, Positive cache size: 1480, Positive conditional cache size: 2, Positive unconditional cache size: 1478, Negative cache size: 57, Negative conditional cache size: 0, Negative unconditional cache size: 57, Eliminated conditions: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.2ms, 40 PlacesBefore, 38 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 88 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 96 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 44, positive: 36, positive conditional: 16, positive unconditional: 20, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 44, positive: 36, positive conditional: 16, positive unconditional: 20, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 44, positive: 35, positive conditional: 16, positive unconditional: 19, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1538, Positive cache size: 1481, Positive conditional cache size: 2, Positive unconditional cache size: 1479, Negative cache size: 57, Negative conditional cache size: 0, Negative unconditional cache size: 57, Eliminated conditions: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3375.5ms, 41 PlacesBefore, 37 PlacesAfterwards, 25 TransitionsBefore, 23 TransitionsAfterwards, 62 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 169 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 106, positive: 85, positive conditional: 85, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 106, positive: 85, positive conditional: 58, positive unconditional: 27, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 85, positive conditional: 58, positive unconditional: 27, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127, negative conditional: 0, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 106, positive: 80, positive conditional: 55, positive unconditional: 25, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 9, unknown conditional: 3, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 1547, Positive cache size: 1486, Positive conditional cache size: 5, Positive unconditional cache size: 1481, Negative cache size: 61, Negative conditional cache size: 0, Negative unconditional cache size: 61, Eliminated conditions: 18 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p0_EBX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L721] 0 _Bool x$flush_delayed; [L722] 0 int x$mem_tmp; [L723] 0 _Bool x$r_buff0_thd0; [L724] 0 _Bool x$r_buff0_thd1; [L725] 0 _Bool x$r_buff0_thd2; [L726] 0 _Bool x$r_buff0_thd3; [L727] 0 _Bool x$r_buff1_thd0; [L728] 0 _Bool x$r_buff1_thd1; [L729] 0 _Bool x$r_buff1_thd2; [L730] 0 _Bool x$r_buff1_thd3; [L731] 0 _Bool x$read_delayed; [L732] 0 int *x$read_delayed_var; [L733] 0 int x$w_buff0; [L734] 0 _Bool x$w_buff0_used; [L735] 0 int x$w_buff1; [L736] 0 _Bool x$w_buff1_used; [L738] 0 int y = 0; [L740] 0 int z = 0; [L741] 0 _Bool weak$$choice0; [L742] 0 _Bool weak$$choice2; [L831] 0 pthread_t t2058; [L832] FCALL, FORK 0 pthread_create(&t2058, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L833] 0 pthread_t t2059; [L834] FCALL, FORK 0 pthread_create(&t2059, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L774] 2 x$w_buff1 = x$w_buff0 [L775] 2 x$w_buff0 = 1 [L776] 2 x$w_buff1_used = x$w_buff0_used [L777] 2 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L779] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L780] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L781] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L782] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L783] 2 x$r_buff0_thd2 = (_Bool)1 [L786] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L835] 0 pthread_t t2060; [L836] FCALL, FORK 0 pthread_create(&t2060, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L803] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L806] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L746] 1 __unbuffered_p0_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L749] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L750] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L751] 1 x$flush_delayed = weak$$choice2 [L752] 1 x$mem_tmp = x [L753] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L753] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L754] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L754] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L755] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L755] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L756] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L756] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L757] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L758] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L759] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L759] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L760] 1 __unbuffered_p0_EBX = x [L761] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L761] 1 x = x$flush_delayed ? x$mem_tmp : x [L762] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L809] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L809] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L809] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L809] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L810] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L810] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L811] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L811] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L812] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L812] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L813] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L813] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L789] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L789] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L790] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L790] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L791] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L792] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L793] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L793] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L796] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L798] 2 return 0; [L816] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L818] 3 return 0; [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L769] 1 return 0; [L838] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L4] COND FALSE 0 !(!cond) [L842] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L842] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L842] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L842] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L843] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L843] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L844] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L844] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L845] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L845] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L846] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L846] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L849] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p2_EAX == 1) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 97 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 11454.5ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 593.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5988.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 49 SDtfs, 27 SDslu, 28 SDs, 0 SdLazy, 142 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 162.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 135.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=273occurred in iteration=6, InterpolantAutomatonStates: 48, 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: 32.2ms SsaConstructionTime, 349.6ms SatisfiabilityAnalysisTime, 484.0ms InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 494 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...