/usr/bin/java -Xmx8000000000 -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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 04:38:07,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 04:38:07,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 04:38:07,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-12-06 04:38:07,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 04:38:07,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 04:38:07,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 04:38:07,713 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-RepeatedSemanticLbeWithPredicates.epf [2022-12-06 04:38:07,739 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 04:38:07,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 04:38:07,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 04:38:07,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 04:38:07,742 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 04:38:07,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 04:38:07,743 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 04:38:07,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 04:38:07,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 04:38:07,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 04:38:07,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 04:38:07,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 04:38:07,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 04:38:07,744 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 04:38:07,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 04:38:07,744 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 04:38:07,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 04:38:07,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 04:38:07,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 04:38:07,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 04:38:07,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 04:38:07,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:38:07,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 04:38:07,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 04:38:07,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 04:38:07,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 04:38:07,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 04:38:07,746 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 04:38:07,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 04:38:07,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 04:38:08,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 04:38:08,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 04:38:08,017 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 04:38:08,017 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 04:38:08,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2022-12-06 04:38:08,968 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 04:38:09,265 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 04:38:09,266 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2022-12-06 04:38:09,286 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f9362a7c/8742d804a682413e86ec3f4918de999b/FLAGe5731b08c [2022-12-06 04:38:09,303 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f9362a7c/8742d804a682413e86ec3f4918de999b [2022-12-06 04:38:09,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 04:38:09,306 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 04:38:09,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 04:38:09,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 04:38:09,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 04:38:09,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:38:09" (1/1) ... [2022-12-06 04:38:09,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5b592f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:09, skipping insertion in model container [2022-12-06 04:38:09,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:38:09" (1/1) ... [2022-12-06 04:38:09,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 04:38:09,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 04:38:09,846 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2022-12-06 04:38:09,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:38:09,914 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 04:38:09,963 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2022-12-06 04:38:09,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:38:10,074 INFO L208 MainTranslator]: Completed translation [2022-12-06 04:38:10,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:10 WrapperNode [2022-12-06 04:38:10,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 04:38:10,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 04:38:10,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 04:38:10,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 04:38:10,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:10" (1/1) ... [2022-12-06 04:38:10,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:10" (1/1) ... [2022-12-06 04:38:10,146 INFO L138 Inliner]: procedures = 486, calls = 43, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 201 [2022-12-06 04:38:10,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 04:38:10,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 04:38:10,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 04:38:10,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 04:38:10,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:10" (1/1) ... [2022-12-06 04:38:10,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:10" (1/1) ... [2022-12-06 04:38:10,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:10" (1/1) ... [2022-12-06 04:38:10,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:10" (1/1) ... [2022-12-06 04:38:10,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:10" (1/1) ... [2022-12-06 04:38:10,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:10" (1/1) ... [2022-12-06 04:38:10,184 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:10" (1/1) ... [2022-12-06 04:38:10,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:10" (1/1) ... [2022-12-06 04:38:10,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 04:38:10,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 04:38:10,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 04:38:10,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 04:38:10,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:10" (1/1) ... [2022-12-06 04:38:10,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:38:10,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 04:38:10,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 04:38:10,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 04:38:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2022-12-06 04:38:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2022-12-06 04:38:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 04:38:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 04:38:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2022-12-06 04:38:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2022-12-06 04:38:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 04:38:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 04:38:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-06 04:38:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 04:38:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 04:38:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 04:38:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 04:38:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 04:38:10,261 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 04:38:10,498 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 04:38:10,499 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 04:38:10,783 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 04:38:10,792 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 04:38:10,792 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-06 04:38:10,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:38:10 BoogieIcfgContainer [2022-12-06 04:38:10,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 04:38:10,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 04:38:10,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 04:38:10,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 04:38:10,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:38:09" (1/3) ... [2022-12-06 04:38:10,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d527409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:38:10, skipping insertion in model container [2022-12-06 04:38:10,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:10" (2/3) ... [2022-12-06 04:38:10,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d527409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:38:10, skipping insertion in model container [2022-12-06 04:38:10,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:38:10" (3/3) ... [2022-12-06 04:38:10,802 INFO L112 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2022-12-06 04:38:10,815 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 04:38:10,816 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-06 04:38:10,816 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 04:38:10,895 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-12-06 04:38:10,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 266 places, 296 transitions, 622 flow [2022-12-06 04:38:11,051 INFO L130 PetriNetUnfolder]: 33/303 cut-off events. [2022-12-06 04:38:11,051 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 04:38:11,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 303 events. 33/303 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 727 event pairs, 0 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 204. Up to 11 conditions per place. [2022-12-06 04:38:11,060 INFO L82 GeneralOperation]: Start removeDead. Operand has 266 places, 296 transitions, 622 flow [2022-12-06 04:38:11,069 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 188 places, 203 transitions, 423 flow [2022-12-06 04:38:11,071 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:38:11,087 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 188 places, 203 transitions, 423 flow [2022-12-06 04:38:11,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 188 places, 203 transitions, 423 flow [2022-12-06 04:38:11,143 INFO L130 PetriNetUnfolder]: 31/290 cut-off events. [2022-12-06 04:38:11,144 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 04:38:11,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 302 conditions, 290 events. 31/290 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 651 event pairs, 0 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 204. Up to 11 conditions per place. [2022-12-06 04:38:11,156 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 188 places, 203 transitions, 423 flow [2022-12-06 04:38:11,156 INFO L188 LiptonReduction]: Number of co-enabled transitions 8530 [2022-12-06 04:38:11,870 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:38:11,871 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:38:11,872 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:38:11,873 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:38:14,930 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:38:14,931 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:38:14,932 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:38:14,933 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:38:14,964 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:38:14,965 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:38:14,966 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:38:14,966 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:38:15,306 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:38:15,307 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:38:15,308 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:38:15,309 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:38:16,242 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:38:16,243 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:38:16,244 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:38:16,244 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:38:17,037 INFO L203 LiptonReduction]: Total number of compositions: 170 [2022-12-06 04:38:17,047 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 04:38:17,051 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=REPEATED_LIPTON_PN, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@459294c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 04:38:17,051 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-12-06 04:38:17,052 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-06 04:38:17,053 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:38:17,053 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:38:17,053 INFO L213 CegarLoopForPetriNet]: trace histogram [1] [2022-12-06 04:38:17,053 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2022-12-06 04:38:17,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:38:17,056 INFO L85 PathProgramCache]: Analyzing trace with hash 936, now seen corresponding path program 1 times [2022-12-06 04:38:17,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:38:17,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602651076] [2022-12-06 04:38:17,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:38:17,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:38:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:38:17,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:38:17,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:38:17,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602651076] [2022-12-06 04:38:17,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602651076] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:38:17,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:38:17,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-06 04:38:17,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415622316] [2022-12-06 04:38:17,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:38:17,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 04:38:17,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:38:17,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 04:38:17,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 04:38:17,265 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 48 [2022-12-06 04:38:17,266 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 48 transitions, 113 flow. Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:38:17,266 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:38:17,267 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 48 [2022-12-06 04:38:17,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:38:17,430 INFO L130 PetriNetUnfolder]: 773/1247 cut-off events. [2022-12-06 04:38:17,430 INFO L131 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2022-12-06 04:38:17,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2438 conditions, 1247 events. 773/1247 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 6495 event pairs, 485 based on Foata normal form. 0/516 useless extension candidates. Maximal degree in co-relation 2293. Up to 1139 conditions per place. [2022-12-06 04:38:17,437 INFO L137 encePairwiseOnDemand]: 40/48 looper letters, 34 selfloop transitions, 0 changer transitions 0/40 dead transitions. [2022-12-06 04:38:17,437 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 40 transitions, 165 flow [2022-12-06 04:38:17,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 04:38:17,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 04:38:17,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 54 transitions. [2022-12-06 04:38:17,444 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5625 [2022-12-06 04:38:17,446 INFO L175 Difference]: Start difference. First operand has 46 places, 48 transitions, 113 flow. Second operand 2 states and 54 transitions. [2022-12-06 04:38:17,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 40 transitions, 165 flow [2022-12-06 04:38:17,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 40 transitions, 161 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 04:38:17,449 INFO L231 Difference]: Finished difference. Result has 39 places, 40 transitions, 93 flow [2022-12-06 04:38:17,450 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=93, PETRI_PLACES=39, PETRI_TRANSITIONS=40} [2022-12-06 04:38:17,452 INFO L294 CegarLoopForPetriNet]: 46 programPoint places, -7 predicate places. [2022-12-06 04:38:17,453 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:38:17,453 INFO L89 Accepts]: Start accepts. Operand has 39 places, 40 transitions, 93 flow [2022-12-06 04:38:17,455 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:38:17,455 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:38:17,455 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 40 transitions, 93 flow [2022-12-06 04:38:17,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 40 transitions, 93 flow [2022-12-06 04:38:17,461 INFO L130 PetriNetUnfolder]: 9/59 cut-off events. [2022-12-06 04:38:17,461 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 04:38:17,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 59 events. 9/59 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 186 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 50. Up to 6 conditions per place. [2022-12-06 04:38:17,462 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 40 transitions, 93 flow [2022-12-06 04:38:17,462 INFO L188 LiptonReduction]: Number of co-enabled transitions 534 [2022-12-06 04:38:17,543 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 04:38:17,544 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 92 [2022-12-06 04:38:17,544 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 39 transitions, 91 flow [2022-12-06 04:38:17,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:38:17,544 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:38:17,545 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-06 04:38:17,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 04:38:17,545 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2022-12-06 04:38:17,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:38:17,545 INFO L85 PathProgramCache]: Analyzing trace with hash 896161016, now seen corresponding path program 1 times [2022-12-06 04:38:17,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:38:17,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425759427] [2022-12-06 04:38:17,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:38:17,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:38:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:38:17,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:38:17,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:38:17,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425759427] [2022-12-06 04:38:17,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425759427] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:38:17,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:38:17,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:38:17,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064654715] [2022-12-06 04:38:17,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:38:17,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:38:17,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:38:17,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:38:17,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:38:17,667 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 39 [2022-12-06 04:38:17,667 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 39 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:38:17,668 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:38:17,668 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 39 [2022-12-06 04:38:17,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:38:17,784 INFO L130 PetriNetUnfolder]: 816/1306 cut-off events. [2022-12-06 04:38:17,784 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-12-06 04:38:17,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2568 conditions, 1306 events. 816/1306 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 6712 event pairs, 414 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 827. Up to 1021 conditions per place. [2022-12-06 04:38:17,789 INFO L137 encePairwiseOnDemand]: 31/39 looper letters, 39 selfloop transitions, 7 changer transitions 0/51 dead transitions. [2022-12-06 04:38:17,789 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 51 transitions, 208 flow [2022-12-06 04:38:17,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:38:17,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:38:17,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 62 transitions. [2022-12-06 04:38:17,790 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5299145299145299 [2022-12-06 04:38:17,790 INFO L175 Difference]: Start difference. First operand has 37 places, 39 transitions, 91 flow. Second operand 3 states and 62 transitions. [2022-12-06 04:38:17,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 51 transitions, 208 flow [2022-12-06 04:38:17,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 51 transitions, 208 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-06 04:38:17,792 INFO L231 Difference]: Finished difference. Result has 41 places, 44 transitions, 141 flow [2022-12-06 04:38:17,792 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=141, PETRI_PLACES=41, PETRI_TRANSITIONS=44} [2022-12-06 04:38:17,793 INFO L294 CegarLoopForPetriNet]: 46 programPoint places, -5 predicate places. [2022-12-06 04:38:17,793 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:38:17,793 INFO L89 Accepts]: Start accepts. Operand has 41 places, 44 transitions, 141 flow [2022-12-06 04:38:17,794 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:38:17,794 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:38:17,794 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 44 transitions, 141 flow [2022-12-06 04:38:17,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 44 transitions, 141 flow [2022-12-06 04:38:17,801 INFO L130 PetriNetUnfolder]: 31/102 cut-off events. [2022-12-06 04:38:17,801 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-12-06 04:38:17,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 102 events. 31/102 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 387 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 136. Up to 37 conditions per place. [2022-12-06 04:38:17,802 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 44 transitions, 141 flow [2022-12-06 04:38:17,802 INFO L188 LiptonReduction]: Number of co-enabled transitions 538 [2022-12-06 04:38:17,803 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:38:17,804 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 11 [2022-12-06 04:38:17,804 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 44 transitions, 141 flow [2022-12-06 04:38:17,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:38:17,804 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:38:17,804 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:38:17,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 04:38:17,804 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread_usbThread1of1ForFork0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2022-12-06 04:38:17,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:38:17,805 INFO L85 PathProgramCache]: Analyzing trace with hash 28649685, now seen corresponding path program 1 times [2022-12-06 04:38:17,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:38:17,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749222850] [2022-12-06 04:38:17,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:38:17,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:38:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:38:17,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:38:17,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:38:17,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749222850] [2022-12-06 04:38:17,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749222850] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:38:17,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:38:17,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:38:17,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035784234] [2022-12-06 04:38:17,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:38:17,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:38:17,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:38:17,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:38:17,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:38:17,862 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 39 [2022-12-06 04:38:17,862 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 44 transitions, 141 flow. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:38:17,862 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:38:17,862 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 39 [2022-12-06 04:38:17,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:38:17,978 INFO L130 PetriNetUnfolder]: 617/1031 cut-off events. [2022-12-06 04:38:17,979 INFO L131 PetriNetUnfolder]: For 194/194 co-relation queries the response was YES. [2022-12-06 04:38:17,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2392 conditions, 1031 events. 617/1031 cut-off events. For 194/194 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 5235 event pairs, 248 based on Foata normal form. 52/651 useless extension candidates. Maximal degree in co-relation 1270. Up to 643 conditions per place. [2022-12-06 04:38:17,983 INFO L137 encePairwiseOnDemand]: 30/39 looper letters, 43 selfloop transitions, 2 changer transitions 4/54 dead transitions. [2022-12-06 04:38:17,983 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 54 transitions, 261 flow [2022-12-06 04:38:17,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:38:17,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:38:17,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 64 transitions. [2022-12-06 04:38:17,984 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5470085470085471 [2022-12-06 04:38:17,984 INFO L175 Difference]: Start difference. First operand has 41 places, 44 transitions, 141 flow. Second operand 3 states and 64 transitions. [2022-12-06 04:38:17,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 54 transitions, 261 flow [2022-12-06 04:38:17,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 54 transitions, 241 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-06 04:38:17,987 INFO L231 Difference]: Finished difference. Result has 40 places, 42 transitions, 133 flow [2022-12-06 04:38:17,987 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=117, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=133, PETRI_PLACES=40, PETRI_TRANSITIONS=42} [2022-12-06 04:38:17,988 INFO L294 CegarLoopForPetriNet]: 46 programPoint places, -6 predicate places. [2022-12-06 04:38:17,988 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:38:17,988 INFO L89 Accepts]: Start accepts. Operand has 40 places, 42 transitions, 133 flow [2022-12-06 04:38:17,988 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:38:17,988 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:38:17,988 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 42 transitions, 133 flow [2022-12-06 04:38:17,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 42 transitions, 133 flow [2022-12-06 04:38:17,995 INFO L130 PetriNetUnfolder]: 28/103 cut-off events. [2022-12-06 04:38:17,995 INFO L131 PetriNetUnfolder]: For 3/4 co-relation queries the response was YES. [2022-12-06 04:38:17,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 103 events. 28/103 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 386 event pairs, 2 based on Foata normal form. 1/63 useless extension candidates. Maximal degree in co-relation 139. Up to 37 conditions per place. [2022-12-06 04:38:17,996 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 42 transitions, 133 flow [2022-12-06 04:38:17,996 INFO L188 LiptonReduction]: Number of co-enabled transitions 456 [2022-12-06 04:38:17,996 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:38:17,997 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 9 [2022-12-06 04:38:17,997 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 42 transitions, 133 flow [2022-12-06 04:38:17,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:38:17,998 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:38:17,998 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:38:17,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 04:38:17,998 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2022-12-06 04:38:17,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:38:17,998 INFO L85 PathProgramCache]: Analyzing trace with hash 28467951, now seen corresponding path program 1 times [2022-12-06 04:38:17,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:38:17,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756319682] [2022-12-06 04:38:17,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:38:17,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:38:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:38:18,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:38:18,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:38:18,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756319682] [2022-12-06 04:38:18,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756319682] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:38:18,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:38:18,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:38:18,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505642186] [2022-12-06 04:38:18,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:38:18,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:38:18,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:38:18,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:38:18,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:38:18,064 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 37 [2022-12-06 04:38:18,064 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 42 transitions, 133 flow. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:38:18,064 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:38:18,064 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 37 [2022-12-06 04:38:18,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:38:18,158 INFO L130 PetriNetUnfolder]: 534/906 cut-off events. [2022-12-06 04:38:18,158 INFO L131 PetriNetUnfolder]: For 100/100 co-relation queries the response was YES. [2022-12-06 04:38:18,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2130 conditions, 906 events. 534/906 cut-off events. For 100/100 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 4512 event pairs, 265 based on Foata normal form. 40/599 useless extension candidates. Maximal degree in co-relation 1409. Up to 693 conditions per place. [2022-12-06 04:38:18,161 INFO L137 encePairwiseOnDemand]: 31/37 looper letters, 39 selfloop transitions, 5 changer transitions 8/57 dead transitions. [2022-12-06 04:38:18,161 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 57 transitions, 284 flow [2022-12-06 04:38:18,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:38:18,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:38:18,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 64 transitions. [2022-12-06 04:38:18,162 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5765765765765766 [2022-12-06 04:38:18,162 INFO L175 Difference]: Start difference. First operand has 39 places, 42 transitions, 133 flow. Second operand 3 states and 64 transitions. [2022-12-06 04:38:18,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 57 transitions, 284 flow [2022-12-06 04:38:18,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 57 transitions, 278 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 04:38:18,164 INFO L231 Difference]: Finished difference. Result has 40 places, 42 transitions, 154 flow [2022-12-06 04:38:18,164 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=40, PETRI_TRANSITIONS=42} [2022-12-06 04:38:18,165 INFO L294 CegarLoopForPetriNet]: 46 programPoint places, -6 predicate places. [2022-12-06 04:38:18,165 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:38:18,165 INFO L89 Accepts]: Start accepts. Operand has 40 places, 42 transitions, 154 flow [2022-12-06 04:38:18,165 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:38:18,165 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:38:18,166 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 42 transitions, 154 flow [2022-12-06 04:38:18,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 42 transitions, 154 flow [2022-12-06 04:38:18,172 INFO L130 PetriNetUnfolder]: 24/94 cut-off events. [2022-12-06 04:38:18,172 INFO L131 PetriNetUnfolder]: For 27/30 co-relation queries the response was YES. [2022-12-06 04:38:18,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 174 conditions, 94 events. 24/94 cut-off events. For 27/30 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 351 event pairs, 0 based on Foata normal form. 1/73 useless extension candidates. Maximal degree in co-relation 127. Up to 36 conditions per place. [2022-12-06 04:38:18,173 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 42 transitions, 154 flow [2022-12-06 04:38:18,173 INFO L188 LiptonReduction]: Number of co-enabled transitions 392 [2022-12-06 04:38:18,176 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:38:18,176 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 11 [2022-12-06 04:38:18,176 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 42 transitions, 154 flow [2022-12-06 04:38:18,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:38:18,177 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:38:18,177 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:38:18,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 04:38:18,177 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2022-12-06 04:38:18,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:38:18,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1586070181, now seen corresponding path program 1 times [2022-12-06 04:38:18,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:38:18,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833029414] [2022-12-06 04:38:18,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:38:18,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:38:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:38:18,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:38:18,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:38:18,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833029414] [2022-12-06 04:38:18,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833029414] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:38:18,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:38:18,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:38:18,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760172270] [2022-12-06 04:38:18,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:38:18,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:38:18,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:38:18,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:38:18,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:38:18,245 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 35 [2022-12-06 04:38:18,245 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 42 transitions, 154 flow. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:38:18,245 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:38:18,245 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 35 [2022-12-06 04:38:18,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:38:18,324 INFO L130 PetriNetUnfolder]: 428/754 cut-off events. [2022-12-06 04:38:18,325 INFO L131 PetriNetUnfolder]: For 306/306 co-relation queries the response was YES. [2022-12-06 04:38:18,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1866 conditions, 754 events. 428/754 cut-off events. For 306/306 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 3701 event pairs, 237 based on Foata normal form. 7/573 useless extension candidates. Maximal degree in co-relation 1363. Up to 650 conditions per place. [2022-12-06 04:38:18,327 INFO L137 encePairwiseOnDemand]: 30/35 looper letters, 31 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2022-12-06 04:38:18,327 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 47 transitions, 257 flow [2022-12-06 04:38:18,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:38:18,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:38:18,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2022-12-06 04:38:18,328 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4857142857142857 [2022-12-06 04:38:18,328 INFO L175 Difference]: Start difference. First operand has 38 places, 42 transitions, 154 flow. Second operand 3 states and 51 transitions. [2022-12-06 04:38:18,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 47 transitions, 257 flow [2022-12-06 04:38:18,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 47 transitions, 251 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 04:38:18,330 INFO L231 Difference]: Finished difference. Result has 40 places, 42 transitions, 176 flow [2022-12-06 04:38:18,330 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=40, PETRI_TRANSITIONS=42} [2022-12-06 04:38:18,331 INFO L294 CegarLoopForPetriNet]: 46 programPoint places, -6 predicate places. [2022-12-06 04:38:18,331 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:38:18,331 INFO L89 Accepts]: Start accepts. Operand has 40 places, 42 transitions, 176 flow [2022-12-06 04:38:18,331 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:38:18,332 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:38:18,332 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 42 transitions, 176 flow [2022-12-06 04:38:18,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 42 transitions, 176 flow [2022-12-06 04:38:18,338 INFO L130 PetriNetUnfolder]: 26/89 cut-off events. [2022-12-06 04:38:18,338 INFO L131 PetriNetUnfolder]: For 42/44 co-relation queries the response was YES. [2022-12-06 04:38:18,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 89 events. 26/89 cut-off events. For 42/44 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 303 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 184. Up to 40 conditions per place. [2022-12-06 04:38:18,339 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 42 transitions, 176 flow [2022-12-06 04:38:18,339 INFO L188 LiptonReduction]: Number of co-enabled transitions 368 [2022-12-06 04:38:18,403 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 04:38:18,404 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 73 [2022-12-06 04:38:18,404 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 41 transitions, 174 flow [2022-12-06 04:38:18,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:38:18,404 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:38:18,404 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:38:18,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 04:38:18,404 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2022-12-06 04:38:18,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:38:18,405 INFO L85 PathProgramCache]: Analyzing trace with hash 894426225, now seen corresponding path program 1 times [2022-12-06 04:38:18,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:38:18,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974048252] [2022-12-06 04:38:18,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:38:18,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:38:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:38:18,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:38:18,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:38:18,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974048252] [2022-12-06 04:38:18,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974048252] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:38:18,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:38:18,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:38:18,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666679068] [2022-12-06 04:38:18,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:38:18,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 04:38:18,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:38:18,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 04:38:18,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 04:38:18,440 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 33 [2022-12-06 04:38:18,441 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 41 transitions, 174 flow. Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:38:18,441 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:38:18,441 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 33 [2022-12-06 04:38:18,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:38:18,479 INFO L130 PetriNetUnfolder]: 193/327 cut-off events. [2022-12-06 04:38:18,479 INFO L131 PetriNetUnfolder]: For 224/224 co-relation queries the response was YES. [2022-12-06 04:38:18,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 813 conditions, 327 events. 193/327 cut-off events. For 224/224 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 1340 event pairs, 109 based on Foata normal form. 16/263 useless extension candidates. Maximal degree in co-relation 806. Up to 291 conditions per place. [2022-12-06 04:38:18,480 INFO L137 encePairwiseOnDemand]: 31/33 looper letters, 0 selfloop transitions, 0 changer transitions 24/24 dead transitions. [2022-12-06 04:38:18,480 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 24 transitions, 110 flow [2022-12-06 04:38:18,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 04:38:18,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 04:38:18,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 30 transitions. [2022-12-06 04:38:18,481 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.45454545454545453 [2022-12-06 04:38:18,481 INFO L175 Difference]: Start difference. First operand has 40 places, 41 transitions, 174 flow. Second operand 2 states and 30 transitions. [2022-12-06 04:38:18,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 24 transitions, 110 flow [2022-12-06 04:38:18,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 24 transitions, 101 flow, removed 4 selfloop flow, removed 3 redundant places. [2022-12-06 04:38:18,482 INFO L231 Difference]: Finished difference. Result has 27 places, 0 transitions, 0 flow [2022-12-06 04:38:18,482 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=61, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=27, PETRI_TRANSITIONS=0} [2022-12-06 04:38:18,482 INFO L294 CegarLoopForPetriNet]: 46 programPoint places, -19 predicate places. [2022-12-06 04:38:18,482 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:38:18,482 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 0 transitions, 0 flow [2022-12-06 04:38:18,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-06 04:38:18,483 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-06 04:38:18,483 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:38:18,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-06 04:38:18,483 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-06 04:38:18,483 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 04:38:18,483 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:38:18,484 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2 [2022-12-06 04:38:18,484 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-06 04:38:18,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:38:18,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 12 remaining) [2022-12-06 04:38:18,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 12 remaining) [2022-12-06 04:38:18,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (9 of 12 remaining) [2022-12-06 04:38:18,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (8 of 12 remaining) [2022-12-06 04:38:18,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 12 remaining) [2022-12-06 04:38:18,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION (6 of 12 remaining) [2022-12-06 04:38:18,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 12 remaining) [2022-12-06 04:38:18,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 12 remaining) [2022-12-06 04:38:18,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 12 remaining) [2022-12-06 04:38:18,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 12 remaining) [2022-12-06 04:38:18,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 12 remaining) [2022-12-06 04:38:18,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbThread1of1ForFork0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 12 remaining) [2022-12-06 04:38:18,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 04:38:18,488 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-06 04:38:18,491 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 04:38:18,491 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 04:38:18,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:38:18 BasicIcfg [2022-12-06 04:38:18,493 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 04:38:18,493 INFO L158 Benchmark]: Toolchain (without parser) took 9186.89ms. Allocated memory was 196.1MB in the beginning and 419.4MB in the end (delta: 223.3MB). Free memory was 169.1MB in the beginning and 363.5MB in the end (delta: -194.4MB). Peak memory consumption was 29.5MB. Max. memory is 8.0GB. [2022-12-06 04:38:18,493 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 196.1MB. Free memory was 172.8MB in the beginning and 172.7MB in the end (delta: 62.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 04:38:18,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 767.01ms. Allocated memory is still 196.1MB. Free memory was 169.1MB in the beginning and 111.9MB in the end (delta: 57.1MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. [2022-12-06 04:38:18,494 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.64ms. Allocated memory is still 196.1MB. Free memory was 111.9MB in the beginning and 108.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-12-06 04:38:18,494 INFO L158 Benchmark]: Boogie Preprocessor took 39.84ms. Allocated memory is still 196.1MB. Free memory was 108.2MB in the beginning and 105.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 04:38:18,494 INFO L158 Benchmark]: RCFGBuilder took 595.36ms. Allocated memory is still 196.1MB. Free memory was 105.1MB in the beginning and 81.0MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-12-06 04:38:18,494 INFO L158 Benchmark]: TraceAbstraction took 7694.80ms. Allocated memory was 196.1MB in the beginning and 419.4MB in the end (delta: 223.3MB). Free memory was 79.9MB in the beginning and 363.5MB in the end (delta: -283.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 04:38:18,495 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 196.1MB. Free memory was 172.8MB in the beginning and 172.7MB in the end (delta: 62.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 767.01ms. Allocated memory is still 196.1MB. Free memory was 169.1MB in the beginning and 111.9MB in the end (delta: 57.1MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 69.64ms. Allocated memory is still 196.1MB. Free memory was 111.9MB in the beginning and 108.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.84ms. Allocated memory is still 196.1MB. Free memory was 108.2MB in the beginning and 105.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 595.36ms. Allocated memory is still 196.1MB. Free memory was 105.1MB in the beginning and 81.0MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 7694.80ms. Allocated memory was 196.1MB in the beginning and 419.4MB in the end (delta: 223.3MB). Free memory was 79.9MB in the beginning and 363.5MB in the end (delta: -283.5MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.9s, 188 PlacesBefore, 46 PlacesAfterwards, 203 TransitionsBefore, 48 TransitionsAfterwards, 8530 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 46 TrivialYvCompositions, 109 ConcurrentYvCompositions, 11 ChoiceCompositions, 170 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8087, independent: 8026, independent conditional: 8026, independent unconditional: 0, dependent: 61, dependent conditional: 61, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8087, independent: 8026, independent conditional: 0, independent unconditional: 8026, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8087, independent: 8026, independent conditional: 0, independent unconditional: 8026, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8087, independent: 8026, independent conditional: 0, independent unconditional: 8026, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5991, independent: 5964, independent conditional: 0, independent unconditional: 5964, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5991, independent: 5945, independent conditional: 0, independent unconditional: 5945, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 46, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 91, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8087, independent: 2062, independent conditional: 0, independent unconditional: 2062, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 5991, unknown conditional: 0, unknown unconditional: 5991] , Statistics on independence cache: Total cache size (in pairs): 14045, Positive cache size: 14018, Positive conditional cache size: 0, Positive unconditional cache size: 14018, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 38 PlacesBefore, 37 PlacesAfterwards, 40 TransitionsBefore, 39 TransitionsAfterwards, 534 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 201, independent: 179, independent conditional: 179, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 201, independent: 179, independent conditional: 0, independent unconditional: 179, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 201, independent: 179, independent conditional: 0, independent unconditional: 179, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 201, independent: 179, independent conditional: 0, independent unconditional: 179, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 108, independent: 98, independent conditional: 0, independent unconditional: 98, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 108, independent: 97, independent conditional: 0, independent unconditional: 97, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 20, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 201, independent: 81, independent conditional: 0, independent unconditional: 81, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 108, unknown conditional: 0, unknown unconditional: 108] , Statistics on independence cache: Total cache size (in pairs): 126, Positive cache size: 116, Positive conditional cache size: 0, Positive unconditional cache size: 116, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 41 PlacesBefore, 41 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 538 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 71, independent: 64, independent conditional: 64, independent unconditional: 0, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 71, independent: 64, independent conditional: 2, independent unconditional: 62, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 71, independent: 64, independent conditional: 1, independent unconditional: 63, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 71, independent: 64, independent conditional: 1, independent unconditional: 63, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 71, independent: 64, independent conditional: 1, independent unconditional: 63, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 126, Positive cache size: 116, Positive conditional cache size: 0, Positive unconditional cache size: 116, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 39 PlacesBefore, 39 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 456 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, independent: 39, independent conditional: 39, independent unconditional: 0, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 45, independent: 39, independent conditional: 2, independent unconditional: 37, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 45, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 45, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 126, Positive cache size: 116, Positive conditional cache size: 0, Positive unconditional cache size: 116, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 38 PlacesBefore, 38 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 392 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 57, independent: 49, independent conditional: 49, independent unconditional: 0, dependent: 8, dependent conditional: 8, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 57, independent: 49, independent conditional: 1, independent unconditional: 48, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 57, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 57, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 131, Positive cache size: 120, Positive conditional cache size: 0, Positive unconditional cache size: 120, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 40 PlacesBefore, 40 PlacesAfterwards, 42 TransitionsBefore, 41 TransitionsAfterwards, 368 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 128, independent: 118, independent conditional: 118, independent unconditional: 0, dependent: 10, dependent conditional: 10, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 128, independent: 118, independent conditional: 1, independent unconditional: 117, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 128, independent: 118, independent conditional: 0, independent unconditional: 118, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 128, independent: 118, independent conditional: 0, independent unconditional: 118, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 128, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 145, Positive cache size: 134, Positive conditional cache size: 0, Positive unconditional cache size: 134, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 145, Positive cache size: 134, Positive conditional cache size: 0, Positive unconditional cache size: 134, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 290 locations, 12 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.6s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 345 IncrementalHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 0 mSDtfsCounter, 345 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=176occurred in iteration=5, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 43 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 1/1 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 04:38:18,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...