./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e02ca79ae11b312cb156178ccd52c5da7b51884a938996d16b5a625457869bce --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:14:58,820 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:14:58,871 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 19:14:58,876 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:14:58,877 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:14:58,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:14:58,903 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:14:58,904 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:14:58,905 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:14:58,906 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:14:58,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:14:58,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:14:58,907 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:14:58,907 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:14:58,909 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:14:58,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:14:58,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:14:58,909 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 19:14:58,910 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:14:58,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 19:14:58,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:14:58,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:14:58,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:14:58,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:14:58,914 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:14:58,914 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 19:14:58,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:14:58,914 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:14:58,915 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:14:58,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:14:58,915 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:14:58,915 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:14:58,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:14:58,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:14:58,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:14:58,916 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:14:58,916 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:14:58,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:14:58,917 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:14:58,917 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:14:58,917 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:14:58,918 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:14:58,919 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e02ca79ae11b312cb156178ccd52c5da7b51884a938996d16b5a625457869bce [2024-11-16 19:14:59,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:14:59,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:14:59,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:14:59,108 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:14:59,108 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:14:59,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-16 19:15:00,418 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:15:00,582 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:15:00,582 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-16 19:15:00,597 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ace52f350/2d0c69c53c8744fb98793d7ffbff7c05/FLAGbbc8d2c75 [2024-11-16 19:15:00,608 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ace52f350/2d0c69c53c8744fb98793d7ffbff7c05 [2024-11-16 19:15:00,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:15:00,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:15:00,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:15:00,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:15:00,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:15:00,618 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:15:00" (1/1) ... [2024-11-16 19:15:00,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@232d17a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:15:00, skipping insertion in model container [2024-11-16 19:15:00,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:15:00" (1/1) ... [2024-11-16 19:15:00,653 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:15:00,792 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-11-16 19:15:00,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:15:00,973 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:15:00,983 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-11-16 19:15:01,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:15:01,104 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:15:01,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:15:01 WrapperNode [2024-11-16 19:15:01,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:15:01,106 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:15:01,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:15:01,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:15:01,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:15:01" (1/1) ... [2024-11-16 19:15:01,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:15:01" (1/1) ... [2024-11-16 19:15:01,170 INFO L138 Inliner]: procedures = 175, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-16 19:15:01,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:15:01,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:15:01,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:15:01,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:15:01,179 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:15:01" (1/1) ... [2024-11-16 19:15:01,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:15:01" (1/1) ... [2024-11-16 19:15:01,184 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:15:01" (1/1) ... [2024-11-16 19:15:01,202 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 19:15:01,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:15:01" (1/1) ... [2024-11-16 19:15:01,202 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:15:01" (1/1) ... [2024-11-16 19:15:01,205 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:15:01" (1/1) ... [2024-11-16 19:15:01,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:15:01" (1/1) ... [2024-11-16 19:15:01,210 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:15:01" (1/1) ... [2024-11-16 19:15:01,211 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:15:01" (1/1) ... [2024-11-16 19:15:01,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:15:01,213 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:15:01,217 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:15:01,217 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:15:01,220 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:15:01" (1/1) ... [2024-11-16 19:15:01,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:15:01,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:15:01,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 19:15:01,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 19:15:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-16 19:15:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:15:01,295 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-16 19:15:01,295 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-16 19:15:01,295 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-16 19:15:01,295 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-16 19:15:01,295 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-16 19:15:01,296 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-16 19:15:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:15:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-16 19:15:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:15:01,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:15:01,298 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 19:15:01,412 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:15:01,415 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:15:01,534 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 19:15:01,534 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:15:01,599 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:15:01,599 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:15:01,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:15:01 BoogieIcfgContainer [2024-11-16 19:15:01,600 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:15:01,602 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:15:01,602 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:15:01,605 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:15:01,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:15:00" (1/3) ... [2024-11-16 19:15:01,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5ca718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:15:01, skipping insertion in model container [2024-11-16 19:15:01,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:15:01" (2/3) ... [2024-11-16 19:15:01,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5ca718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:15:01, skipping insertion in model container [2024-11-16 19:15:01,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:15:01" (3/3) ... [2024-11-16 19:15:01,609 INFO L112 eAbstractionObserver]: Analyzing ICFG safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-16 19:15:01,623 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:15:01,623 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:15:01,623 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 19:15:01,664 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 19:15:01,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 37 transitions, 86 flow [2024-11-16 19:15:01,725 INFO L124 PetriNetUnfolderBase]: 1/34 cut-off events. [2024-11-16 19:15:01,725 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 19:15:01,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 34 events. 1/34 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place. [2024-11-16 19:15:01,727 INFO L82 GeneralOperation]: Start removeDead. Operand has 46 places, 37 transitions, 86 flow [2024-11-16 19:15:01,731 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 41 places, 31 transitions, 71 flow [2024-11-16 19:15:01,739 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:15:01,747 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@5c68beab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:15:01,747 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-16 19:15:01,760 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 19:15:01,761 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2024-11-16 19:15:01,761 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 19:15:01,761 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 19:15:01,762 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:15:01,762 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-16 19:15:01,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:15:01,766 INFO L85 PathProgramCache]: Analyzing trace with hash -982406412, now seen corresponding path program 1 times [2024-11-16 19:15:01,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:15:01,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261134558] [2024-11-16 19:15:01,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:15:01,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:15:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:15:02,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 19:15:02,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:15:02,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261134558] [2024-11-16 19:15:02,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261134558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:15:02,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:15:02,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 19:15:02,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628176677] [2024-11-16 19:15:02,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:15:02,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 19:15:02,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:15:02,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 19:15:02,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 19:15:02,203 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 37 [2024-11-16 19:15:02,206 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 31 transitions, 71 flow. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2024-11-16 19:15:02,206 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 19:15:02,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 37 [2024-11-16 19:15:02,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 19:15:02,708 INFO L124 PetriNetUnfolderBase]: 2951/4511 cut-off events. [2024-11-16 19:15:02,708 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-16 19:15:02,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8970 conditions, 4511 events. 2951/4511 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 24241 event pairs, 425 based on Foata normal form. 180/4688 useless extension candidates. Maximal degree in co-relation 8959. Up to 2593 conditions per place. [2024-11-16 19:15:02,744 INFO L140 encePairwiseOnDemand]: 31/37 looper letters, 52 selfloop transitions, 5 changer transitions 1/62 dead transitions. [2024-11-16 19:15:02,745 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 62 transitions, 255 flow [2024-11-16 19:15:02,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 19:15:02,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-16 19:15:02,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 92 transitions. [2024-11-16 19:15:02,757 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6216216216216216 [2024-11-16 19:15:02,758 INFO L175 Difference]: Start difference. First operand has 41 places, 31 transitions, 71 flow. Second operand 4 states and 92 transitions. [2024-11-16 19:15:02,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 62 transitions, 255 flow [2024-11-16 19:15:02,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 62 transitions, 250 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-16 19:15:02,764 INFO L231 Difference]: Finished difference. Result has 43 places, 34 transitions, 102 flow [2024-11-16 19:15:02,765 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=102, PETRI_PLACES=43, PETRI_TRANSITIONS=34} [2024-11-16 19:15:02,768 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 2 predicate places. [2024-11-16 19:15:02,768 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 34 transitions, 102 flow [2024-11-16 19:15:02,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2024-11-16 19:15:02,768 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 19:15:02,769 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:15:02,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 19:15:02,769 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-16 19:15:02,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:15:02,770 INFO L85 PathProgramCache]: Analyzing trace with hash -2012917996, now seen corresponding path program 1 times [2024-11-16 19:15:02,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:15:02,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831977228] [2024-11-16 19:15:02,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:15:02,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:15:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:15:02,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 19:15:02,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:15:02,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831977228] [2024-11-16 19:15:02,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831977228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:15:02,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:15:02,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 19:15:02,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827081409] [2024-11-16 19:15:02,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:15:02,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 19:15:02,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:15:02,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 19:15:02,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 19:15:02,890 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 37 [2024-11-16 19:15:02,890 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 34 transitions, 102 flow. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-16 19:15:02,890 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 19:15:02,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 37 [2024-11-16 19:15:02,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 19:15:03,176 INFO L124 PetriNetUnfolderBase]: 1687/2639 cut-off events. [2024-11-16 19:15:03,176 INFO L125 PetriNetUnfolderBase]: For 536/536 co-relation queries the response was YES. [2024-11-16 19:15:03,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6119 conditions, 2639 events. 1687/2639 cut-off events. For 536/536 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 12702 event pairs, 267 based on Foata normal form. 132/2768 useless extension candidates. Maximal degree in co-relation 6107. Up to 913 conditions per place. [2024-11-16 19:15:03,185 INFO L140 encePairwiseOnDemand]: 31/37 looper letters, 66 selfloop transitions, 8 changer transitions 1/79 dead transitions. [2024-11-16 19:15:03,185 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 79 transitions, 363 flow [2024-11-16 19:15:03,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 19:15:03,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 19:15:03,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 117 transitions. [2024-11-16 19:15:03,186 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6324324324324324 [2024-11-16 19:15:03,187 INFO L175 Difference]: Start difference. First operand has 43 places, 34 transitions, 102 flow. Second operand 5 states and 117 transitions. [2024-11-16 19:15:03,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 79 transitions, 363 flow [2024-11-16 19:15:03,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 79 transitions, 353 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-16 19:15:03,193 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 142 flow [2024-11-16 19:15:03,193 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=142, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-11-16 19:15:03,195 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 6 predicate places. [2024-11-16 19:15:03,195 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 142 flow [2024-11-16 19:15:03,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-16 19:15:03,195 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 19:15:03,195 INFO L204 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] [2024-11-16 19:15:03,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 19:15:03,196 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-16 19:15:03,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:15:03,197 INFO L85 PathProgramCache]: Analyzing trace with hash -155868754, now seen corresponding path program 1 times [2024-11-16 19:15:03,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:15:03,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518260363] [2024-11-16 19:15:03,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:15:03,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:15:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:15:03,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 19:15:03,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:15:03,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518260363] [2024-11-16 19:15:03,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518260363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:15:03,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:15:03,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 19:15:03,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058020864] [2024-11-16 19:15:03,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:15:03,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 19:15:03,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:15:03,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 19:15:03,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-16 19:15:03,352 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 37 [2024-11-16 19:15:03,353 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 142 flow. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 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) [2024-11-16 19:15:03,353 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 19:15:03,353 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 37 [2024-11-16 19:15:03,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 19:15:03,507 INFO L124 PetriNetUnfolderBase]: 1003/1567 cut-off events. [2024-11-16 19:15:03,508 INFO L125 PetriNetUnfolderBase]: For 1002/1002 co-relation queries the response was YES. [2024-11-16 19:15:03,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3991 conditions, 1567 events. 1003/1567 cut-off events. For 1002/1002 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 6790 event pairs, 237 based on Foata normal form. 52/1616 useless extension candidates. Maximal degree in co-relation 3977. Up to 568 conditions per place. [2024-11-16 19:15:03,516 INFO L140 encePairwiseOnDemand]: 31/37 looper letters, 56 selfloop transitions, 11 changer transitions 1/72 dead transitions. [2024-11-16 19:15:03,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 72 transitions, 358 flow [2024-11-16 19:15:03,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 19:15:03,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 19:15:03,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 118 transitions. [2024-11-16 19:15:03,518 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5315315315315315 [2024-11-16 19:15:03,519 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 142 flow. Second operand 6 states and 118 transitions. [2024-11-16 19:15:03,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 72 transitions, 358 flow [2024-11-16 19:15:03,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 72 transitions, 333 flow, removed 4 selfloop flow, removed 4 redundant places. [2024-11-16 19:15:03,525 INFO L231 Difference]: Finished difference. Result has 50 places, 37 transitions, 156 flow [2024-11-16 19:15:03,525 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=156, PETRI_PLACES=50, PETRI_TRANSITIONS=37} [2024-11-16 19:15:03,526 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 9 predicate places. [2024-11-16 19:15:03,526 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 37 transitions, 156 flow [2024-11-16 19:15:03,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 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) [2024-11-16 19:15:03,526 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 19:15:03,526 INFO L204 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] [2024-11-16 19:15:03,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 19:15:03,527 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-16 19:15:03,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:15:03,527 INFO L85 PathProgramCache]: Analyzing trace with hash -537833736, now seen corresponding path program 1 times [2024-11-16 19:15:03,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:15:03,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703942302] [2024-11-16 19:15:03,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:15:03,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:15:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:15:03,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 19:15:03,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:15:03,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703942302] [2024-11-16 19:15:03,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703942302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:15:03,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:15:03,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 19:15:03,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143166002] [2024-11-16 19:15:03,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:15:03,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 19:15:03,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:15:03,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 19:15:03,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 19:15:03,770 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 37 [2024-11-16 19:15:03,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 37 transitions, 156 flow. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 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) [2024-11-16 19:15:03,770 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 19:15:03,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 37 [2024-11-16 19:15:03,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 19:15:04,111 INFO L124 PetriNetUnfolderBase]: 1915/2987 cut-off events. [2024-11-16 19:15:04,112 INFO L125 PetriNetUnfolderBase]: For 2476/2476 co-relation queries the response was YES. [2024-11-16 19:15:04,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7848 conditions, 2987 events. 1915/2987 cut-off events. For 2476/2476 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 14388 event pairs, 247 based on Foata normal form. 16/2998 useless extension candidates. Maximal degree in co-relation 7833. Up to 1156 conditions per place. [2024-11-16 19:15:04,119 INFO L140 encePairwiseOnDemand]: 30/37 looper letters, 47 selfloop transitions, 4 changer transitions 54/109 dead transitions. [2024-11-16 19:15:04,119 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 109 transitions, 664 flow [2024-11-16 19:15:04,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 19:15:04,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-16 19:15:04,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 161 transitions. [2024-11-16 19:15:04,120 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48348348348348347 [2024-11-16 19:15:04,120 INFO L175 Difference]: Start difference. First operand has 50 places, 37 transitions, 156 flow. Second operand 9 states and 161 transitions. [2024-11-16 19:15:04,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 109 transitions, 664 flow [2024-11-16 19:15:04,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 109 transitions, 498 flow, removed 30 selfloop flow, removed 8 redundant places. [2024-11-16 19:15:04,133 INFO L231 Difference]: Finished difference. Result has 58 places, 39 transitions, 138 flow [2024-11-16 19:15:04,133 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=138, PETRI_PLACES=58, PETRI_TRANSITIONS=39} [2024-11-16 19:15:04,134 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 17 predicate places. [2024-11-16 19:15:04,134 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 39 transitions, 138 flow [2024-11-16 19:15:04,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 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) [2024-11-16 19:15:04,134 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 19:15:04,135 INFO L204 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] [2024-11-16 19:15:04,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 19:15:04,135 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-16 19:15:04,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:15:04,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1671320502, now seen corresponding path program 2 times [2024-11-16 19:15:04,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:15:04,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300100315] [2024-11-16 19:15:04,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:15:04,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:15:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:15:04,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 19:15:04,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:15:04,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300100315] [2024-11-16 19:15:04,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300100315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:15:04,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:15:04,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 19:15:04,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545590867] [2024-11-16 19:15:04,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:15:04,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 19:15:04,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:15:04,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 19:15:04,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 19:15:04,247 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 37 [2024-11-16 19:15:04,247 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 39 transitions, 138 flow. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 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) [2024-11-16 19:15:04,247 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 19:15:04,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 37 [2024-11-16 19:15:04,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 19:15:04,453 INFO L124 PetriNetUnfolderBase]: 791/1262 cut-off events. [2024-11-16 19:15:04,453 INFO L125 PetriNetUnfolderBase]: For 400/400 co-relation queries the response was YES. [2024-11-16 19:15:04,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3053 conditions, 1262 events. 791/1262 cut-off events. For 400/400 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 5464 event pairs, 207 based on Foata normal form. 8/1269 useless extension candidates. Maximal degree in co-relation 3043. Up to 780 conditions per place. [2024-11-16 19:15:04,456 INFO L140 encePairwiseOnDemand]: 31/37 looper letters, 0 selfloop transitions, 0 changer transitions 65/65 dead transitions. [2024-11-16 19:15:04,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 65 transitions, 330 flow [2024-11-16 19:15:04,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 19:15:04,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 19:15:04,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 99 transitions. [2024-11-16 19:15:04,456 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44594594594594594 [2024-11-16 19:15:04,457 INFO L175 Difference]: Start difference. First operand has 58 places, 39 transitions, 138 flow. Second operand 6 states and 99 transitions. [2024-11-16 19:15:04,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 65 transitions, 330 flow [2024-11-16 19:15:04,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 65 transitions, 317 flow, removed 4 selfloop flow, removed 5 redundant places. [2024-11-16 19:15:04,458 INFO L231 Difference]: Finished difference. Result has 51 places, 0 transitions, 0 flow [2024-11-16 19:15:04,458 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=117, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=51, PETRI_TRANSITIONS=0} [2024-11-16 19:15:04,458 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 10 predicate places. [2024-11-16 19:15:04,458 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 0 transitions, 0 flow [2024-11-16 19:15:04,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 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) [2024-11-16 19:15:04,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-11-16 19:15:04,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-16 19:15:04,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-16 19:15:04,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-16 19:15:04,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 19:15:04,462 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-11-16 19:15:04,467 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 19:15:04,467 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 19:15:04,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 07:15:04 BasicIcfg [2024-11-16 19:15:04,475 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 19:15:04,475 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 19:15:04,475 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 19:15:04,476 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 19:15:04,476 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:15:01" (3/4) ... [2024-11-16 19:15:04,477 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 19:15:04,483 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-16 19:15:04,483 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-16 19:15:04,483 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-16 19:15:04,489 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-11-16 19:15:04,489 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-16 19:15:04,490 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 19:15:04,490 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-16 19:15:04,578 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 19:15:04,578 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 19:15:04,578 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 19:15:04,579 INFO L158 Benchmark]: Toolchain (without parser) took 3967.53ms. Allocated memory was 182.5MB in the beginning and 333.4MB in the end (delta: 151.0MB). Free memory was 106.5MB in the beginning and 167.0MB in the end (delta: -60.5MB). Peak memory consumption was 93.3MB. Max. memory is 16.1GB. [2024-11-16 19:15:04,579 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 182.5MB. Free memory was 131.7MB in the beginning and 131.7MB in the end (delta: 38.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 19:15:04,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.85ms. Allocated memory is still 182.5MB. Free memory was 106.3MB in the beginning and 146.7MB in the end (delta: -40.4MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-11-16 19:15:04,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.82ms. Allocated memory is still 182.5MB. Free memory was 146.7MB in the beginning and 147.8MB in the end (delta: -1.1MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-11-16 19:15:04,580 INFO L158 Benchmark]: Boogie Preprocessor took 40.84ms. Allocated memory is still 182.5MB. Free memory was 147.8MB in the beginning and 145.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 19:15:04,580 INFO L158 Benchmark]: IcfgBuilder took 387.17ms. Allocated memory is still 182.5MB. Free memory was 145.7MB in the beginning and 125.7MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-16 19:15:04,580 INFO L158 Benchmark]: TraceAbstraction took 2873.23ms. Allocated memory was 182.5MB in the beginning and 333.4MB in the end (delta: 151.0MB). Free memory was 124.7MB in the beginning and 171.2MB in the end (delta: -46.5MB). Peak memory consumption was 105.5MB. Max. memory is 16.1GB. [2024-11-16 19:15:04,583 INFO L158 Benchmark]: Witness Printer took 102.72ms. Allocated memory is still 333.4MB. Free memory was 171.2MB in the beginning and 167.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 19:15:04,584 INFO L338 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 182.5MB. Free memory was 131.7MB in the beginning and 131.7MB in the end (delta: 38.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.85ms. Allocated memory is still 182.5MB. Free memory was 106.3MB in the beginning and 146.7MB in the end (delta: -40.4MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.82ms. Allocated memory is still 182.5MB. Free memory was 146.7MB in the beginning and 147.8MB in the end (delta: -1.1MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.84ms. Allocated memory is still 182.5MB. Free memory was 147.8MB in the beginning and 145.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 387.17ms. Allocated memory is still 182.5MB. Free memory was 145.7MB in the beginning and 125.7MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2873.23ms. Allocated memory was 182.5MB in the beginning and 333.4MB in the end (delta: 151.0MB). Free memory was 124.7MB in the beginning and 171.2MB in the end (delta: -46.5MB). Peak memory consumption was 105.5MB. Max. memory is 16.1GB. * Witness Printer took 102.72ms. Allocated memory is still 333.4MB. Free memory was 171.2MB in the beginning and 167.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 60 locations, 4 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: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 351 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 347 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 565 IncrementalHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 3 mSDtfsCounter, 565 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=3, InterpolantAutomatonStates: 30, 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, 0.8s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2024-11-16 19:15:04,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE