/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-3902331-m [2022-09-20 22:58:11,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-20 22:58:11,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-20 22:58:11,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-20 22:58:11,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-20 22:58:11,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-20 22:58:11,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-20 22:58:11,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-20 22:58:11,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-20 22:58:11,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-20 22:58:11,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-20 22:58:11,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-20 22:58:11,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-20 22:58:11,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-20 22:58:11,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-20 22:58:11,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-20 22:58:11,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-20 22:58:11,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-20 22:58:11,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-20 22:58:11,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-20 22:58:11,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-20 22:58:11,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-20 22:58:11,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-20 22:58:11,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-20 22:58:11,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-20 22:58:11,998 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-20 22:58:11,998 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-20 22:58:11,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-20 22:58:11,999 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-20 22:58:12,000 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-20 22:58:12,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-20 22:58:12,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-20 22:58:12,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-20 22:58:12,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-20 22:58:12,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-20 22:58:12,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-20 22:58:12,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-20 22:58:12,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-20 22:58:12,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-20 22:58:12,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-20 22:58:12,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-20 22:58:12,009 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-NoLbe.epf [2022-09-20 22:58:12,046 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-20 22:58:12,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-20 22:58:12,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-20 22:58:12,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-20 22:58:12,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-20 22:58:12,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-20 22:58:12,047 INFO L138 SettingsManager]: * Use SBE=true [2022-09-20 22:58:12,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-20 22:58:12,048 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-20 22:58:12,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-20 22:58:12,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-20 22:58:12,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-20 22:58:12,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-20 22:58:12,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-20 22:58:12,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-20 22:58:12,049 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-20 22:58:12,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-20 22:58:12,049 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-20 22:58:12,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-20 22:58:12,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-20 22:58:12,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-20 22:58:12,050 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-20 22:58:12,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-20 22:58:12,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-20 22:58:12,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-20 22:58:12,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-20 22:58:12,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-20 22:58:12,050 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-20 22:58:12,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-20 22:58:12,051 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-20 22:58:12,051 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-09-20 22:58:12,051 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-20 22:58:12,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-20 22:58:12,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-20 22:58:12,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-20 22:58:12,262 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-20 22:58:12,264 INFO L275 PluginConnector]: CDTParser initialized [2022-09-20 22:58:12,265 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2022-09-20 22:58:12,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56f3947a5/251f5866e45644beb0adfcd3cd3e40b6/FLAGf4be344c3 [2022-09-20 22:58:12,687 INFO L306 CDTParser]: Found 1 translation units. [2022-09-20 22:58:12,687 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2022-09-20 22:58:12,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56f3947a5/251f5866e45644beb0adfcd3cd3e40b6/FLAGf4be344c3 [2022-09-20 22:58:13,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56f3947a5/251f5866e45644beb0adfcd3cd3e40b6 [2022-09-20 22:58:13,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-20 22:58:13,099 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-20 22:58:13,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-20 22:58:13,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-20 22:58:13,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-20 22:58:13,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:58:13" (1/1) ... [2022-09-20 22:58:13,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eca8395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:13, skipping insertion in model container [2022-09-20 22:58:13,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:58:13" (1/1) ... [2022-09-20 22:58:13,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-20 22:58:13,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-20 22:58:13,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c[3134,3147] [2022-09-20 22:58:13,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-20 22:58:13,317 INFO L203 MainTranslator]: Completed pre-run [2022-09-20 22:58:13,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c[3134,3147] [2022-09-20 22:58:13,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-20 22:58:13,370 INFO L208 MainTranslator]: Completed translation [2022-09-20 22:58:13,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:13 WrapperNode [2022-09-20 22:58:13,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-20 22:58:13,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-20 22:58:13,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-20 22:58:13,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-20 22:58:13,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:13" (1/1) ... [2022-09-20 22:58:13,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:13" (1/1) ... [2022-09-20 22:58:13,419 INFO L138 Inliner]: procedures = 21, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 119 [2022-09-20 22:58:13,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-20 22:58:13,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-20 22:58:13,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-20 22:58:13,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-20 22:58:13,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:13" (1/1) ... [2022-09-20 22:58:13,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:13" (1/1) ... [2022-09-20 22:58:13,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:13" (1/1) ... [2022-09-20 22:58:13,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:13" (1/1) ... [2022-09-20 22:58:13,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:13" (1/1) ... [2022-09-20 22:58:13,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:13" (1/1) ... [2022-09-20 22:58:13,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:13" (1/1) ... [2022-09-20 22:58:13,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-20 22:58:13,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-20 22:58:13,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-20 22:58:13,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-20 22:58:13,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:13" (1/1) ... [2022-09-20 22:58:13,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-20 22:58:13,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-20 22:58:13,485 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) [2022-09-20 22:58:13,495 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 [2022-09-20 22:58:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-20 22:58:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-20 22:58:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-20 22:58:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-20 22:58:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-20 22:58:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-20 22:58:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-20 22:58:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-20 22:58:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-20 22:58:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-20 22:58:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-20 22:58:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-20 22:58:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-20 22:58:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-20 22:58:13,514 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-20 22:58:13,573 INFO L234 CfgBuilder]: Building ICFG [2022-09-20 22:58:13,574 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-20 22:58:13,819 INFO L275 CfgBuilder]: Performing block encoding [2022-09-20 22:58:13,871 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-20 22:58:13,871 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-20 22:58:13,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:58:13 BoogieIcfgContainer [2022-09-20 22:58:13,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-20 22:58:13,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-20 22:58:13,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-20 22:58:13,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-20 22:58:13,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 10:58:13" (1/3) ... [2022-09-20 22:58:13,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5895be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 10:58:13, skipping insertion in model container [2022-09-20 22:58:13,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:13" (2/3) ... [2022-09-20 22:58:13,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5895be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 10:58:13, skipping insertion in model container [2022-09-20 22:58:13,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:58:13" (3/3) ... [2022-09-20 22:58:13,882 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2022-09-20 22:58:13,895 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-20 22:58:13,895 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-20 22:58:13,895 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-20 22:58:13,946 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-20 22:58:13,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 139 transitions, 294 flow [2022-09-20 22:58:14,073 INFO L130 PetriNetUnfolder]: 9/137 cut-off events. [2022-09-20 22:58:14,074 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-09-20 22:58:14,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 137 events. 9/137 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 101. Up to 2 conditions per place. [2022-09-20 22:58:14,079 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 139 transitions, 294 flow [2022-09-20 22:58:14,087 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 128 transitions, 268 flow [2022-09-20 22:58:14,105 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-20 22:58:14,113 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=PETRI_NET, 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;@21f0c89a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-20 22:58:14,113 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-09-20 22:58:14,151 INFO L130 PetriNetUnfolder]: 9/127 cut-off events. [2022-09-20 22:58:14,151 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-09-20 22:58:14,151 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 22:58:14,152 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-20 22:58:14,153 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-09-20 22:58:14,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 22:58:14,159 INFO L85 PathProgramCache]: Analyzing trace with hash -2100413127, now seen corresponding path program 1 times [2022-09-20 22:58:14,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 22:58:14,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177974577] [2022-09-20 22:58:14,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 22:58:14,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 22:58:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 22:58:14,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 22:58:14,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 22:58:14,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177974577] [2022-09-20 22:58:14,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177974577] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 22:58:14,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 22:58:14,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-20 22:58:14,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884419586] [2022-09-20 22:58:14,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 22:58:14,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-20 22:58:14,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 22:58:14,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-20 22:58:14,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-09-20 22:58:14,660 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 139 [2022-09-20 22:58:14,666 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 128 transitions, 268 flow. Second operand has 5 states, 5 states have (on average 90.8) internal successors, (454), 5 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 22:58:14,666 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 22:58:14,666 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 139 [2022-09-20 22:58:14,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 22:58:14,850 INFO L130 PetriNetUnfolder]: 25/213 cut-off events. [2022-09-20 22:58:14,850 INFO L131 PetriNetUnfolder]: For 35/35 co-relation queries the response was YES. [2022-09-20 22:58:14,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 213 events. 25/213 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 492 event pairs, 11 based on Foata normal form. 11/202 useless extension candidates. Maximal degree in co-relation 138. Up to 51 conditions per place. [2022-09-20 22:58:14,855 INFO L137 encePairwiseOnDemand]: 120/139 looper letters, 42 selfloop transitions, 7 changer transitions 7/129 dead transitions. [2022-09-20 22:58:14,855 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 129 transitions, 388 flow [2022-09-20 22:58:14,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-20 22:58:14,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-09-20 22:58:14,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 562 transitions. [2022-09-20 22:58:14,875 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.6738609112709832 [2022-09-20 22:58:14,876 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 562 transitions. [2022-09-20 22:58:14,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 562 transitions. [2022-09-20 22:58:14,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 22:58:14,881 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 562 transitions. [2022-09-20 22:58:14,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 93.66666666666667) internal successors, (562), 6 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 22:58:14,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 139.0) internal successors, (973), 7 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 22:58:14,891 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 139.0) internal successors, (973), 7 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 22:58:14,893 INFO L175 Difference]: Start difference. First operand has 126 places, 128 transitions, 268 flow. Second operand 6 states and 562 transitions. [2022-09-20 22:58:14,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 129 transitions, 388 flow [2022-09-20 22:58:14,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 129 transitions, 376 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-09-20 22:58:14,900 INFO L231 Difference]: Finished difference. Result has 128 places, 116 transitions, 261 flow [2022-09-20 22:58:14,901 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=261, PETRI_PLACES=128, PETRI_TRANSITIONS=116} [2022-09-20 22:58:14,905 INFO L287 CegarLoopForPetriNet]: 126 programPoint places, 2 predicate places. [2022-09-20 22:58:14,906 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 116 transitions, 261 flow [2022-09-20 22:58:14,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 90.8) internal successors, (454), 5 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 22:58:14,907 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 22:58:14,907 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-20 22:58:14,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-20 22:58:14,908 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-09-20 22:58:14,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 22:58:14,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1511239743, now seen corresponding path program 1 times [2022-09-20 22:58:14,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 22:58:14,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067505125] [2022-09-20 22:58:14,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 22:58:14,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 22:58:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 22:58:15,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 22:58:15,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 22:58:15,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067505125] [2022-09-20 22:58:15,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067505125] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 22:58:15,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 22:58:15,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-09-20 22:58:15,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120441726] [2022-09-20 22:58:15,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 22:58:15,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-20 22:58:15,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 22:58:15,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-20 22:58:15,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-09-20 22:58:15,199 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 139 [2022-09-20 22:58:15,200 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 116 transitions, 261 flow. Second operand has 10 states, 10 states have (on average 82.5) internal successors, (825), 10 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 22:58:15,200 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 22:58:15,200 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 139 [2022-09-20 22:58:15,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 22:58:15,407 INFO L130 PetriNetUnfolder]: 46/258 cut-off events. [2022-09-20 22:58:15,408 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-09-20 22:58:15,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 438 conditions, 258 events. 46/258 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 760 event pairs, 6 based on Foata normal form. 0/244 useless extension candidates. Maximal degree in co-relation 214. Up to 86 conditions per place. [2022-09-20 22:58:15,419 INFO L137 encePairwiseOnDemand]: 126/139 looper letters, 46 selfloop transitions, 19 changer transitions 0/135 dead transitions. [2022-09-20 22:58:15,419 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 135 transitions, 433 flow [2022-09-20 22:58:15,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-09-20 22:58:15,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-09-20 22:58:15,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1003 transitions. [2022-09-20 22:58:15,423 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.6013189448441247 [2022-09-20 22:58:15,423 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1003 transitions. [2022-09-20 22:58:15,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1003 transitions. [2022-09-20 22:58:15,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 22:58:15,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1003 transitions. [2022-09-20 22:58:15,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 83.58333333333333) internal successors, (1003), 12 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 22:58:15,431 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 139.0) internal successors, (1807), 13 states have internal predecessors, (1807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 22:58:15,432 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 139.0) internal successors, (1807), 13 states have internal predecessors, (1807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 22:58:15,432 INFO L175 Difference]: Start difference. First operand has 128 places, 116 transitions, 261 flow. Second operand 12 states and 1003 transitions. [2022-09-20 22:58:15,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 135 transitions, 433 flow [2022-09-20 22:58:15,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 135 transitions, 424 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-09-20 22:58:15,439 INFO L231 Difference]: Finished difference. Result has 132 places, 128 transitions, 347 flow [2022-09-20 22:58:15,439 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=347, PETRI_PLACES=132, PETRI_TRANSITIONS=128} [2022-09-20 22:58:15,440 INFO L287 CegarLoopForPetriNet]: 126 programPoint places, 6 predicate places. [2022-09-20 22:58:15,440 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 128 transitions, 347 flow [2022-09-20 22:58:15,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 82.5) internal successors, (825), 10 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 22:58:15,441 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 22:58:15,442 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-20 22:58:15,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-20 22:58:15,442 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-09-20 22:58:15,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 22:58:15,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1860843984, now seen corresponding path program 1 times [2022-09-20 22:58:15,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 22:58:15,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300680874] [2022-09-20 22:58:15,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 22:58:15,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 22:58:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 22:58:15,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 22:58:15,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 22:58:15,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300680874] [2022-09-20 22:58:15,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300680874] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 22:58:15,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 22:58:15,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-09-20 22:58:15,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392611777] [2022-09-20 22:58:15,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 22:58:15,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-09-20 22:58:15,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 22:58:15,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-09-20 22:58:15,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-09-20 22:58:15,750 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 139 [2022-09-20 22:58:15,751 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 128 transitions, 347 flow. Second operand has 12 states, 12 states have (on average 81.75) internal successors, (981), 12 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 22:58:15,751 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 22:58:15,751 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 139 [2022-09-20 22:58:15,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 22:58:15,991 INFO L130 PetriNetUnfolder]: 47/290 cut-off events. [2022-09-20 22:58:15,991 INFO L131 PetriNetUnfolder]: For 63/63 co-relation queries the response was YES. [2022-09-20 22:58:15,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 560 conditions, 290 events. 47/290 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1011 event pairs, 1 based on Foata normal form. 0/282 useless extension candidates. Maximal degree in co-relation 388. Up to 42 conditions per place. [2022-09-20 22:58:15,994 INFO L137 encePairwiseOnDemand]: 123/139 looper letters, 56 selfloop transitions, 31 changer transitions 0/157 dead transitions. [2022-09-20 22:58:15,994 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 157 transitions, 617 flow [2022-09-20 22:58:15,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-20 22:58:15,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-09-20 22:58:15,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1171 transitions. [2022-09-20 22:58:15,997 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.6017471736896197 [2022-09-20 22:58:15,997 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1171 transitions. [2022-09-20 22:58:15,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1171 transitions. [2022-09-20 22:58:15,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 22:58:15,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1171 transitions. [2022-09-20 22:58:16,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 83.64285714285714) internal successors, (1171), 14 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 22:58:16,005 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 139.0) internal successors, (2085), 15 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 22:58:16,005 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 139.0) internal successors, (2085), 15 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 22:58:16,005 INFO L175 Difference]: Start difference. First operand has 132 places, 128 transitions, 347 flow. Second operand 14 states and 1171 transitions. [2022-09-20 22:58:16,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 157 transitions, 617 flow [2022-09-20 22:58:16,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 157 transitions, 609 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-09-20 22:58:16,010 INFO L231 Difference]: Finished difference. Result has 145 places, 138 transitions, 463 flow [2022-09-20 22:58:16,011 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=463, PETRI_PLACES=145, PETRI_TRANSITIONS=138} [2022-09-20 22:58:16,011 INFO L287 CegarLoopForPetriNet]: 126 programPoint places, 19 predicate places. [2022-09-20 22:58:16,012 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 138 transitions, 463 flow [2022-09-20 22:58:16,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 81.75) internal successors, (981), 12 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 22:58:16,012 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 22:58:16,012 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-20 22:58:16,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-20 22:58:16,013 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-09-20 22:58:16,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 22:58:16,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1268626109, now seen corresponding path program 2 times [2022-09-20 22:58:16,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 22:58:16,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909960979] [2022-09-20 22:58:16,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 22:58:16,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 22:58:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 22:58:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 22:58:16,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 22:58:16,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909960979] [2022-09-20 22:58:16,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909960979] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 22:58:16,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 22:58:16,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-09-20 22:58:16,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156544712] [2022-09-20 22:58:16,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 22:58:16,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-09-20 22:58:16,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 22:58:16,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-09-20 22:58:16,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-09-20 22:58:16,132 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 139 [2022-09-20 22:58:16,133 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 138 transitions, 463 flow. Second operand has 8 states, 8 states have (on average 87.25) internal successors, (698), 8 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 22:58:16,133 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 22:58:16,133 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 139 [2022-09-20 22:58:16,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 22:58:16,306 INFO L130 PetriNetUnfolder]: 31/238 cut-off events. [2022-09-20 22:58:16,306 INFO L131 PetriNetUnfolder]: For 106/109 co-relation queries the response was YES. [2022-09-20 22:58:16,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 511 conditions, 238 events. 31/238 cut-off events. For 106/109 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 660 event pairs, 6 based on Foata normal form. 2/235 useless extension candidates. Maximal degree in co-relation 418. Up to 53 conditions per place. [2022-09-20 22:58:16,308 INFO L137 encePairwiseOnDemand]: 129/139 looper letters, 0 selfloop transitions, 0 changer transitions 140/140 dead transitions. [2022-09-20 22:58:16,308 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 140 transitions, 608 flow [2022-09-20 22:58:16,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-20 22:58:16,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-09-20 22:58:16,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 785 transitions. [2022-09-20 22:58:16,310 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.627498001598721 [2022-09-20 22:58:16,310 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 785 transitions. [2022-09-20 22:58:16,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 785 transitions. [2022-09-20 22:58:16,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 22:58:16,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 785 transitions. [2022-09-20 22:58:16,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 87.22222222222223) internal successors, (785), 9 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 22:58:16,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 139.0) internal successors, (1390), 10 states have internal predecessors, (1390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 22:58:16,315 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 139.0) internal successors, (1390), 10 states have internal predecessors, (1390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 22:58:16,315 INFO L175 Difference]: Start difference. First operand has 145 places, 138 transitions, 463 flow. Second operand 9 states and 785 transitions. [2022-09-20 22:58:16,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 140 transitions, 608 flow [2022-09-20 22:58:16,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 140 transitions, 583 flow, removed 6 selfloop flow, removed 6 redundant places. [2022-09-20 22:58:16,320 INFO L231 Difference]: Finished difference. Result has 144 places, 0 transitions, 0 flow [2022-09-20 22:58:16,320 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=144, PETRI_TRANSITIONS=0} [2022-09-20 22:58:16,321 INFO L287 CegarLoopForPetriNet]: 126 programPoint places, 18 predicate places. [2022-09-20 22:58:16,321 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 0 transitions, 0 flow [2022-09-20 22:58:16,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 87.25) internal successors, (698), 8 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 22:58:16,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-09-20 22:58:16,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-09-20 22:58:16,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-09-20 22:58:16,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-20 22:58:16,325 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-09-20 22:58:16,328 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-20 22:58:16,328 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-20 22:58:16,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 10:58:16 BasicIcfg [2022-09-20 22:58:16,332 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-20 22:58:16,333 INFO L158 Benchmark]: Toolchain (without parser) took 3233.44ms. Allocated memory was 175.1MB in the beginning and 216.0MB in the end (delta: 40.9MB). Free memory was 119.6MB in the beginning and 171.0MB in the end (delta: -51.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-20 22:58:16,333 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 175.1MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-20 22:58:16,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.86ms. Allocated memory is still 175.1MB. Free memory was 119.4MB in the beginning and 149.3MB in the end (delta: -29.8MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. [2022-09-20 22:58:16,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.81ms. Allocated memory is still 175.1MB. Free memory was 149.3MB in the beginning and 147.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-20 22:58:16,334 INFO L158 Benchmark]: Boogie Preprocessor took 31.19ms. Allocated memory is still 175.1MB. Free memory was 147.4MB in the beginning and 146.2MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-20 22:58:16,335 INFO L158 Benchmark]: RCFGBuilder took 421.75ms. Allocated memory is still 175.1MB. Free memory was 146.2MB in the beginning and 130.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-09-20 22:58:16,335 INFO L158 Benchmark]: TraceAbstraction took 2455.99ms. Allocated memory was 175.1MB in the beginning and 216.0MB in the end (delta: 40.9MB). Free memory was 129.6MB in the beginning and 171.0MB in the end (delta: -41.4MB). Peak memory consumption was 300.6kB. Max. memory is 8.0GB. [2022-09-20 22:58:16,337 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 175.1MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 269.86ms. Allocated memory is still 175.1MB. Free memory was 119.4MB in the beginning and 149.3MB in the end (delta: -29.8MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.81ms. Allocated memory is still 175.1MB. Free memory was 149.3MB in the beginning and 147.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.19ms. Allocated memory is still 175.1MB. Free memory was 147.4MB in the beginning and 146.2MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 421.75ms. Allocated memory is still 175.1MB. Free memory was 146.2MB in the beginning and 130.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2455.99ms. Allocated memory was 175.1MB in the beginning and 216.0MB in the end (delta: 40.9MB). Free memory was 129.6MB in the beginning and 171.0MB in the end (delta: -41.4MB). Peak memory consumption was 300.6kB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 115]: 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, 152 locations, 3 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: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 298 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 298 mSDsluCounter, 375 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 348 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 490 IncrementalHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 128 mSDtfsCounter, 490 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=463occurred in iteration=3, InterpolantAutomatonStates: 41, 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, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 443 NumberOfCodeBlocks, 443 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 439 ConstructedInterpolants, 0 QuantifiedInterpolants, 1937 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-20 22:58:16,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...