/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-misc-2-unrolled-atomic.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-3902331-m [2022-09-20 22:58:50,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-20 22:58:50,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-20 22:58:50,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-20 22:58:50,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-20 22:58:50,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-20 22:58:50,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-20 22:58:50,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-20 22:58:50,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-20 22:58:50,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-20 22:58:50,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-20 22:58:50,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-20 22:58:50,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-20 22:58:50,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-20 22:58:50,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-20 22:58:50,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-20 22:58:50,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-20 22:58:50,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-20 22:58:50,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-20 22:58:50,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-20 22:58:50,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-20 22:58:50,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-20 22:58:50,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-20 22:58:50,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-20 22:58:50,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-20 22:58:50,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-20 22:58:50,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-20 22:58:50,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-20 22:58:50,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-20 22:58:50,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-20 22:58:50,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-20 22:58:50,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-20 22:58:50,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-20 22:58:50,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-20 22:58:50,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-20 22:58:50,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-20 22:58:50,769 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 22:58:50,798 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-20 22:58:50,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-20 22:58:50,800 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-20 22:58:50,800 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-20 22:58:50,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-20 22:58:50,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-20 22:58:50,801 INFO L138 SettingsManager]: * Use SBE=true [2022-09-20 22:58:50,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-20 22:58:50,801 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-20 22:58:50,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-20 22:58:50,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-20 22:58:50,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-20 22:58:50,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-20 22:58:50,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-20 22:58:50,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-20 22:58:50,803 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-20 22:58:50,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-20 22:58:50,803 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-20 22:58:50,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-20 22:58:50,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-20 22:58:50,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-20 22:58:50,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-20 22:58:50,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-20 22:58:50,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-20 22:58:50,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-20 22:58:50,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-20 22:58:50,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-20 22:58:50,805 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-20 22:58:50,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-20 22:58:50,805 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-20 22:58:50,805 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-09-20 22:58:50,805 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-20 22:58:51,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-20 22:58:51,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-20 22:58:51,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-20 22:58:51,079 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-20 22:58:51,079 INFO L275 PluginConnector]: CDTParser initialized [2022-09-20 22:58:51,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2022-09-20 22:58:51,144 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50c491acf/54c113f29445455db882f9e8d9e9eda3/FLAG679406123 [2022-09-20 22:58:51,584 INFO L306 CDTParser]: Found 1 translation units. [2022-09-20 22:58:51,585 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2022-09-20 22:58:51,590 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50c491acf/54c113f29445455db882f9e8d9e9eda3/FLAG679406123 [2022-09-20 22:58:51,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50c491acf/54c113f29445455db882f9e8d9e9eda3 [2022-09-20 22:58:51,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-20 22:58:51,974 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-20 22:58:51,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-20 22:58:51,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-20 22:58:51,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-20 22:58:51,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:58:51" (1/1) ... [2022-09-20 22:58:51,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da5e456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:51, skipping insertion in model container [2022-09-20 22:58:51,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:58:51" (1/1) ... [2022-09-20 22:58:51,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-20 22:58:52,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-20 22:58:52,153 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-misc-2-unrolled-atomic.wvr.c[2252,2265] [2022-09-20 22:58:52,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-20 22:58:52,163 INFO L203 MainTranslator]: Completed pre-run [2022-09-20 22:58:52,181 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-misc-2-unrolled-atomic.wvr.c[2252,2265] [2022-09-20 22:58:52,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-20 22:58:52,194 INFO L208 MainTranslator]: Completed translation [2022-09-20 22:58:52,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:52 WrapperNode [2022-09-20 22:58:52,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-20 22:58:52,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-20 22:58:52,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-20 22:58:52,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-20 22:58:52,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:52" (1/1) ... [2022-09-20 22:58:52,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:52" (1/1) ... [2022-09-20 22:58:52,223 INFO L138 Inliner]: procedures = 20, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2022-09-20 22:58:52,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-20 22:58:52,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-20 22:58:52,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-20 22:58:52,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-20 22:58:52,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:52" (1/1) ... [2022-09-20 22:58:52,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:52" (1/1) ... [2022-09-20 22:58:52,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:52" (1/1) ... [2022-09-20 22:58:52,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:52" (1/1) ... [2022-09-20 22:58:52,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:52" (1/1) ... [2022-09-20 22:58:52,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:52" (1/1) ... [2022-09-20 22:58:52,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:52" (1/1) ... [2022-09-20 22:58:52,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-20 22:58:52,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-20 22:58:52,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-20 22:58:52,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-20 22:58:52,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:52" (1/1) ... [2022-09-20 22:58:52,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-20 22:58:52,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-20 22:58:52,275 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 22:58:52,280 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 22:58:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-20 22:58:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-20 22:58:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-20 22:58:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-20 22:58:52,314 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-20 22:58:52,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-20 22:58:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-20 22:58:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-20 22:58:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-20 22:58:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-20 22:58:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-20 22:58:52,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-20 22:58:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-20 22:58:52,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-20 22:58:52,317 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 22:58:52,378 INFO L234 CfgBuilder]: Building ICFG [2022-09-20 22:58:52,379 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-20 22:58:52,537 INFO L275 CfgBuilder]: Performing block encoding [2022-09-20 22:58:52,583 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-20 22:58:52,583 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-09-20 22:58:52,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:58:52 BoogieIcfgContainer [2022-09-20 22:58:52,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-20 22:58:52,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-20 22:58:52,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-20 22:58:52,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-20 22:58:52,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 10:58:51" (1/3) ... [2022-09-20 22:58:52,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d5f43a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 10:58:52, skipping insertion in model container [2022-09-20 22:58:52,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:58:52" (2/3) ... [2022-09-20 22:58:52,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d5f43a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 10:58:52, skipping insertion in model container [2022-09-20 22:58:52,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:58:52" (3/3) ... [2022-09-20 22:58:52,597 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled-atomic.wvr.c [2022-09-20 22:58:52,623 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-20 22:58:52,623 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-20 22:58:52,623 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-20 22:58:52,697 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-20 22:58:52,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 96 places, 96 transitions, 208 flow [2022-09-20 22:58:52,779 INFO L130 PetriNetUnfolder]: 7/94 cut-off events. [2022-09-20 22:58:52,780 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-09-20 22:58:52,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 94 events. 7/94 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 29 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2022-09-20 22:58:52,785 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 96 transitions, 208 flow [2022-09-20 22:58:52,789 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 85 transitions, 182 flow [2022-09-20 22:58:52,799 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-20 22:58:52,806 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;@6a672fe5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-20 22:58:52,806 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-09-20 22:58:52,830 INFO L130 PetriNetUnfolder]: 7/84 cut-off events. [2022-09-20 22:58:52,830 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-09-20 22:58:52,830 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 22:58:52,831 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] [2022-09-20 22:58:52,831 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 22:58:52,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 22:58:52,836 INFO L85 PathProgramCache]: Analyzing trace with hash -2050378977, now seen corresponding path program 1 times [2022-09-20 22:58:52,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 22:58:52,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770947281] [2022-09-20 22:58:52,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 22:58:52,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 22:58:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 22:58:53,059 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 22:58:53,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 22:58:53,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770947281] [2022-09-20 22:58:53,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770947281] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 22:58:53,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 22:58:53,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-20 22:58:53,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013729531] [2022-09-20 22:58:53,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 22:58:53,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-20 22:58:53,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 22:58:53,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-20 22:58:53,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-20 22:58:53,107 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 96 [2022-09-20 22:58:53,109 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 85 transitions, 182 flow. Second operand has 2 states, 2 states have (on average 86.5) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 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 22:58:53,110 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 22:58:53,110 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 96 [2022-09-20 22:58:53,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 22:58:53,154 INFO L130 PetriNetUnfolder]: 4/82 cut-off events. [2022-09-20 22:58:53,155 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-09-20 22:58:53,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 82 events. 4/82 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 23 event pairs, 0 based on Foata normal form. 7/84 useless extension candidates. Maximal degree in co-relation 62. Up to 9 conditions per place. [2022-09-20 22:58:53,157 INFO L137 encePairwiseOnDemand]: 91/96 looper letters, 6 selfloop transitions, 0 changer transitions 3/80 dead transitions. [2022-09-20 22:58:53,157 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 80 transitions, 184 flow [2022-09-20 22:58:53,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-20 22:58:53,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-09-20 22:58:53,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 179 transitions. [2022-09-20 22:58:53,170 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9322916666666666 [2022-09-20 22:58:53,170 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 179 transitions. [2022-09-20 22:58:53,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 179 transitions. [2022-09-20 22:58:53,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 22:58:53,174 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 179 transitions. [2022-09-20 22:58:53,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 89.5) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 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 22:58:53,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 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 22:58:53,181 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 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 22:58:53,183 INFO L175 Difference]: Start difference. First operand has 85 places, 85 transitions, 182 flow. Second operand 2 states and 179 transitions. [2022-09-20 22:58:53,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 80 transitions, 184 flow [2022-09-20 22:58:53,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 80 transitions, 176 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-09-20 22:58:53,190 INFO L231 Difference]: Finished difference. Result has 82 places, 77 transitions, 158 flow [2022-09-20 22:58:53,192 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=96, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=158, PETRI_PLACES=82, PETRI_TRANSITIONS=77} [2022-09-20 22:58:53,196 INFO L287 CegarLoopForPetriNet]: 85 programPoint places, -3 predicate places. [2022-09-20 22:58:53,197 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 77 transitions, 158 flow [2022-09-20 22:58:53,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 86.5) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 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 22:58:53,197 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 22:58:53,197 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] [2022-09-20 22:58:53,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-20 22:58:53,198 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 22:58:53,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 22:58:53,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1890780052, now seen corresponding path program 1 times [2022-09-20 22:58:53,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 22:58:53,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866694449] [2022-09-20 22:58:53,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 22:58:53,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 22:58:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 22:58:53,431 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 22:58:53,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 22:58:53,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866694449] [2022-09-20 22:58:53,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866694449] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 22:58:53,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 22:58:53,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-09-20 22:58:53,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028291255] [2022-09-20 22:58:53,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 22:58:53,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-20 22:58:53,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 22:58:53,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-20 22:58:53,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-09-20 22:58:53,438 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 96 [2022-09-20 22:58:53,439 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 77 transitions, 158 flow. Second operand has 7 states, 7 states have (on average 69.57142857142857) internal successors, (487), 7 states have internal predecessors, (487), 0 states have call successors, (0), 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 22:58:53,439 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 22:58:53,440 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 96 [2022-09-20 22:58:53,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-20 22:58:53,546 INFO L130 PetriNetUnfolder]: 4/76 cut-off events. [2022-09-20 22:58:53,547 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-09-20 22:58:53,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 76 events. 4/76 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 19 event pairs, 0 based on Foata normal form. 1/75 useless extension candidates. Maximal degree in co-relation 99. Up to 14 conditions per place. [2022-09-20 22:58:53,557 INFO L137 encePairwiseOnDemand]: 88/96 looper letters, 0 selfloop transitions, 0 changer transitions 74/74 dead transitions. [2022-09-20 22:58:53,558 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 74 transitions, 190 flow [2022-09-20 22:58:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-20 22:58:53,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-09-20 22:58:53,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 489 transitions. [2022-09-20 22:58:53,563 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7276785714285714 [2022-09-20 22:58:53,563 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 489 transitions. [2022-09-20 22:58:53,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 489 transitions. [2022-09-20 22:58:53,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-20 22:58:53,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 489 transitions. [2022-09-20 22:58:53,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 69.85714285714286) internal successors, (489), 7 states have internal predecessors, (489), 0 states have call successors, (0), 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 22:58:53,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 96.0) internal successors, (768), 8 states have internal predecessors, (768), 0 states have call successors, (0), 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 22:58:53,577 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 96.0) internal successors, (768), 8 states have internal predecessors, (768), 0 states have call successors, (0), 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 22:58:53,577 INFO L175 Difference]: Start difference. First operand has 82 places, 77 transitions, 158 flow. Second operand 7 states and 489 transitions. [2022-09-20 22:58:53,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 74 transitions, 190 flow [2022-09-20 22:58:53,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 74 transitions, 190 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-09-20 22:58:53,580 INFO L231 Difference]: Finished difference. Result has 82 places, 0 transitions, 0 flow [2022-09-20 22:58:53,580 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=96, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=82, PETRI_TRANSITIONS=0} [2022-09-20 22:58:53,581 INFO L287 CegarLoopForPetriNet]: 85 programPoint places, -3 predicate places. [2022-09-20 22:58:53,581 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 0 transitions, 0 flow [2022-09-20 22:58:53,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 69.57142857142857) internal successors, (487), 7 states have internal predecessors, (487), 0 states have call successors, (0), 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 22:58:53,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-09-20 22:58:53,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-09-20 22:58:53,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-09-20 22:58:53,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-20 22:58:53,585 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-09-20 22:58:53,591 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-20 22:58:53,591 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-20 22:58:53,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 10:58:53 BasicIcfg [2022-09-20 22:58:53,595 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-20 22:58:53,599 INFO L158 Benchmark]: Toolchain (without parser) took 1621.65ms. Allocated memory was 191.9MB in the beginning and 261.1MB in the end (delta: 69.2MB). Free memory was 159.2MB in the beginning and 155.3MB in the end (delta: 3.9MB). Peak memory consumption was 72.2MB. Max. memory is 8.0GB. [2022-09-20 22:58:53,599 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 191.9MB. Free memory is still 146.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-20 22:58:53,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.32ms. Allocated memory was 191.9MB in the beginning and 261.1MB in the end (delta: 69.2MB). Free memory was 159.2MB in the beginning and 231.2MB in the end (delta: -72.0MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. [2022-09-20 22:58:53,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.12ms. Allocated memory is still 261.1MB. Free memory was 230.8MB in the beginning and 229.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-20 22:58:53,601 INFO L158 Benchmark]: Boogie Preprocessor took 20.65ms. Allocated memory is still 261.1MB. Free memory was 229.3MB in the beginning and 228.3MB in the end (delta: 998.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-20 22:58:53,601 INFO L158 Benchmark]: RCFGBuilder took 340.39ms. Allocated memory is still 261.1MB. Free memory was 228.0MB in the beginning and 213.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-09-20 22:58:53,601 INFO L158 Benchmark]: TraceAbstraction took 1007.93ms. Allocated memory is still 261.1MB. Free memory was 213.0MB in the beginning and 155.3MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2022-09-20 22:58:53,604 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 191.9MB. Free memory is still 146.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 216.32ms. Allocated memory was 191.9MB in the beginning and 261.1MB in the end (delta: 69.2MB). Free memory was 159.2MB in the beginning and 231.2MB in the end (delta: -72.0MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.12ms. Allocated memory is still 261.1MB. Free memory was 230.8MB in the beginning and 229.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.65ms. Allocated memory is still 261.1MB. Free memory was 229.3MB in the beginning and 228.3MB in the end (delta: 998.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 340.39ms. Allocated memory is still 261.1MB. Free memory was 228.0MB in the beginning and 213.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1007.93ms. Allocated memory is still 261.1MB. Free memory was 213.0MB in the beginning and 155.3MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 84]: 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, 102 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 9 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 0.2s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 234 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 22:58:53,650 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...