./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe023_tso.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe023_tso.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b87483e693fd72a28f6c7edd484e610e6e0dbb17679c8092f6f9c9cd35d4acca --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 21:09:37,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 21:09:38,010 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 21:09:38,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 21:09:38,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 21:09:38,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 21:09:38,042 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 21:09:38,042 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 21:09:38,043 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 21:09:38,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 21:09:38,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 21:09:38,044 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 21:09:38,044 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 21:09:38,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 21:09:38,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 21:09:38,045 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 21:09:38,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 21:09:38,045 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 21:09:38,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 21:09:38,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 21:09:38,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 21:09:38,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 21:09:38,050 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 21:09:38,050 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 21:09:38,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 21:09:38,051 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 21:09:38,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 21:09:38,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 21:09:38,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 21:09:38,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 21:09:38,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 21:09:38,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 21:09:38,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 21:09:38,052 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 21:09:38,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 21:09:38,053 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 21:09:38,053 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 21:09:38,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 21:09:38,057 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 21:09:38,057 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 21:09:38,057 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 21:09:38,058 INFO L153 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/UGemCutter-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/UGemCutter-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 -> GemCutter 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 -> b87483e693fd72a28f6c7edd484e610e6e0dbb17679c8092f6f9c9cd35d4acca Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 5 [2024-10-18 21:09:38,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 21:09:38,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 21:09:38,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 21:09:38,276 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 21:09:38,276 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 21:09:38,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe023_tso.i [2024-10-18 21:09:39,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 21:09:39,727 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 21:09:39,727 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe023_tso.i [2024-10-18 21:09:39,738 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bf0909bec/5d65d1fa01604a43932180aeeeacba70/FLAGdb9301554 [2024-10-18 21:09:40,105 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bf0909bec/5d65d1fa01604a43932180aeeeacba70 [2024-10-18 21:09:40,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 21:09:40,112 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 21:09:40,113 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 21:09:40,113 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 21:09:40,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 21:09:40,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 09:09:40" (1/1) ... [2024-10-18 21:09:40,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b6ce02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:09:40, skipping insertion in model container [2024-10-18 21:09:40,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 09:09:40" (1/1) ... [2024-10-18 21:09:40,148 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 21:09:40,285 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe023_tso.i[945,958] [2024-10-18 21:09:40,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 21:09:40,414 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 21:09:40,425 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe023_tso.i[945,958] [2024-10-18 21:09:40,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 21:09:40,488 INFO L204 MainTranslator]: Completed translation [2024-10-18 21:09:40,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:09:40 WrapperNode [2024-10-18 21:09:40,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 21:09:40,490 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 21:09:40,490 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 21:09:40,490 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 21:09:40,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:09:40" (1/1) ... [2024-10-18 21:09:40,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:09:40" (1/1) ... [2024-10-18 21:09:40,528 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-10-18 21:09:40,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 21:09:40,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 21:09:40,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 21:09:40,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 21:09:40,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:09:40" (1/1) ... [2024-10-18 21:09:40,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:09:40" (1/1) ... [2024-10-18 21:09:40,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:09:40" (1/1) ... [2024-10-18 21:09:40,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:09:40" (1/1) ... [2024-10-18 21:09:40,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:09:40" (1/1) ... [2024-10-18 21:09:40,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:09:40" (1/1) ... [2024-10-18 21:09:40,549 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:09:40" (1/1) ... [2024-10-18 21:09:40,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:09:40" (1/1) ... [2024-10-18 21:09:40,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 21:09:40,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 21:09:40,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 21:09:40,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 21:09:40,556 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:09:40" (1/1) ... [2024-10-18 21:09:40,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 21:09:40,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 21:09:40,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 21:09:40,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 21:09:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 21:09:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 21:09:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-18 21:09:40,658 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-18 21:09:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-18 21:09:40,659 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-18 21:09:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-18 21:09:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-18 21:09:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 21:09:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 21:09:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 21:09:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 21:09:40,676 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 21:09:40,792 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 21:09:40,794 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 21:09:40,910 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 21:09:40,910 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 21:09:40,994 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 21:09:40,995 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 21:09:40,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:09:40 BoogieIcfgContainer [2024-10-18 21:09:40,996 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 21:09:40,999 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 21:09:41,000 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 21:09:41,003 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 21:09:41,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 09:09:40" (1/3) ... [2024-10-18 21:09:41,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61425ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 09:09:41, skipping insertion in model container [2024-10-18 21:09:41,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:09:40" (2/3) ... [2024-10-18 21:09:41,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61425ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 09:09:41, skipping insertion in model container [2024-10-18 21:09:41,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:09:40" (3/3) ... [2024-10-18 21:09:41,006 INFO L112 eAbstractionObserver]: Analyzing ICFG safe023_tso.i [2024-10-18 21:09:41,020 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 21:09:41,020 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 21:09:41,021 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 21:09:41,063 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 21:09:41,109 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 21:09:41,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 21:09:41,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 21:09:41,112 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 21:09:41,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 21:09:41,196 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 21:09:41,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:09:41,214 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 21:09:41,221 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=PARTIAL_ORDER_FA, 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;@587c1122, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 21:09:41,221 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 21:09:41,872 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)] === [2024-10-18 21:09:41,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:09:41,875 INFO L85 PathProgramCache]: Analyzing trace with hash 110190927, now seen corresponding path program 1 times [2024-10-18 21:09:41,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:09:41,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984189572] [2024-10-18 21:09:41,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:41,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:09:42,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:09:42,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:09:42,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984189572] [2024-10-18 21:09:42,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984189572] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:09:42,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:09:42,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 21:09:42,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318594768] [2024-10-18 21:09:42,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:09:42,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 21:09:42,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:09:42,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 21:09:42,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-18 21:09:42,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:09:42,364 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:09:42,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-10-18 21:09:42,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:09:42,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1633907345, now seen corresponding path program 1 times [2024-10-18 21:09:42,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:42,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:42,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:42,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:09:42,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-18 21:09:42,703 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)] === [2024-10-18 21:09:42,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:09:42,703 INFO L85 PathProgramCache]: Analyzing trace with hash 2044322924, now seen corresponding path program 1 times [2024-10-18 21:09:42,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:09:42,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757526343] [2024-10-18 21:09:42,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:42,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:09:42,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:09:42,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:09:42,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757526343] [2024-10-18 21:09:42,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757526343] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:09:42,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:09:42,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-18 21:09:42,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843740774] [2024-10-18 21:09:42,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:09:42,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 21:09:42,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:09:42,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 21:09:42,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-18 21:09:42,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:09:42,907 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:09:42,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 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) [2024-10-18 21:09:42,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:09:42,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:09:43,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1633907352, now seen corresponding path program 1 times [2024-10-18 21:09:43,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:43,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:43,080 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:43,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1924799399, now seen corresponding path program 1 times [2024-10-18 21:09:43,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:43,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:43,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:43,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1450077680, now seen corresponding path program 1 times [2024-10-18 21:09:43,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:43,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:43,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:43,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1709345337, now seen corresponding path program 1 times [2024-10-18 21:09:43,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:43,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:43,461 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:43,568 INFO L85 PathProgramCache]: Analyzing trace with hash 870446208, now seen corresponding path program 1 times [2024-10-18 21:09:43,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:43,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:43,578 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:43,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1551623999, now seen corresponding path program 1 times [2024-10-18 21:09:43,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:43,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:43,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:43,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1053238031, now seen corresponding path program 1 times [2024-10-18 21:09:43,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:43,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:43,805 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:44,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1555231183, now seen corresponding path program 1 times [2024-10-18 21:09:44,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:44,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:44,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:44,058 INFO L85 PathProgramCache]: Analyzing trace with hash 88379274, now seen corresponding path program 1 times [2024-10-18 21:09:44,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:44,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:44,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:45,110 INFO L85 PathProgramCache]: Analyzing trace with hash -894691354, now seen corresponding path program 1 times [2024-10-18 21:09:45,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:45,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:45,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:45,365 INFO L85 PathProgramCache]: Analyzing trace with hash -925563413, now seen corresponding path program 1 times [2024-10-18 21:09:45,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:45,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:45,370 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:45,549 INFO L85 PathProgramCache]: Analyzing trace with hash 585611682, now seen corresponding path program 1 times [2024-10-18 21:09:45,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:45,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:45,554 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:45,776 INFO L85 PathProgramCache]: Analyzing trace with hash -396213747, now seen corresponding path program 1 times [2024-10-18 21:09:45,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:45,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:45,781 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:45,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:09:45,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 21:09:45,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-10-18 21:09:45,826 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)] === [2024-10-18 21:09:45,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:09:45,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1761553406, now seen corresponding path program 2 times [2024-10-18 21:09:45,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:09:45,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347444615] [2024-10-18 21:09:45,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:45,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:09:45,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:09:45,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:09:45,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347444615] [2024-10-18 21:09:45,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347444615] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:09:45,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:09:45,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 21:09:45,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035137531] [2024-10-18 21:09:45,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:09:45,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 21:09:45,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:09:45,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 21:09:45,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-18 21:09:45,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:09:45,955 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:09:45,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-10-18 21:09:45,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:09:45,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 21:09:45,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:09:47,145 INFO L85 PathProgramCache]: Analyzing trace with hash -894691122, now seen corresponding path program 1 times [2024-10-18 21:09:47,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:47,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:47,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:48,309 INFO L85 PathProgramCache]: Analyzing trace with hash -925563059, now seen corresponding path program 1 times [2024-10-18 21:09:48,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:48,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:48,315 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:48,479 INFO L85 PathProgramCache]: Analyzing trace with hash 585612030, now seen corresponding path program 1 times [2024-10-18 21:09:48,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:48,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:48,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:48,631 INFO L85 PathProgramCache]: Analyzing trace with hash -396213405, now seen corresponding path program 1 times [2024-10-18 21:09:48,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:48,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:48,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:48,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1813567035, now seen corresponding path program 1 times [2024-10-18 21:09:48,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:48,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:48,807 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:49,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1720395953, now seen corresponding path program 1 times [2024-10-18 21:09:49,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:49,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:49,572 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:49,606 INFO L85 PathProgramCache]: Analyzing trace with hash 261137909, now seen corresponding path program 1 times [2024-10-18 21:09:49,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:49,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:49,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:49,654 INFO L85 PathProgramCache]: Analyzing trace with hash 221616129, now seen corresponding path program 1 times [2024-10-18 21:09:49,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:49,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:49,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:50,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1852915462, now seen corresponding path program 1 times [2024-10-18 21:09:50,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:50,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:50,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:50,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1760726706, now seen corresponding path program 1 times [2024-10-18 21:09:50,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:50,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:50,635 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:50,658 INFO L85 PathProgramCache]: Analyzing trace with hash 198857106, now seen corresponding path program 1 times [2024-10-18 21:09:50,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:09:50,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:09:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:50,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:09:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:09:51,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:09:51,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 21:09:51,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 21:09:51,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-18 21:09:51,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-18 21:09:51,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-18 21:09:51,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-18 21:09:51,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable16,SelfDestructingSolverStorable27,SelfDestructingSolverStorable17 [2024-10-18 21:09:51,836 INFO L414 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-18 21:09:51,837 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-18 21:09:51,838 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-18 21:09:51,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 09:09:51 BasicIcfg [2024-10-18 21:09:51,843 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-18 21:09:51,844 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-18 21:09:51,847 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-18 21:09:51,847 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-18 21:09:51,847 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:09:40" (3/4) ... [2024-10-18 21:09:51,849 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-18 21:09:51,852 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-18 21:09:51,852 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-18 21:09:51,852 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-18 21:09:51,855 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-10-18 21:09:51,855 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-18 21:09:51,855 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-18 21:09:51,855 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-18 21:09:51,922 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-18 21:09:51,923 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-18 21:09:51,923 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-18 21:09:51,924 INFO L158 Benchmark]: Toolchain (without parser) took 11812.92ms. Allocated memory was 155.2MB in the beginning and 390.1MB in the end (delta: 234.9MB). Free memory was 82.0MB in the beginning and 328.1MB in the end (delta: -246.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 21:09:51,924 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 21:09:51,925 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.72ms. Allocated memory is still 155.2MB. Free memory was 81.7MB in the beginning and 59.4MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-18 21:09:51,925 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.43ms. Allocated memory is still 155.2MB. Free memory was 59.4MB in the beginning and 57.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 21:09:51,925 INFO L158 Benchmark]: Boogie Preprocessor took 24.20ms. Allocated memory is still 155.2MB. Free memory was 57.4MB in the beginning and 55.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 21:09:51,925 INFO L158 Benchmark]: RCFGBuilder took 441.46ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 55.9MB in the beginning and 178.9MB in the end (delta: -123.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-10-18 21:09:51,926 INFO L158 Benchmark]: TraceAbstraction took 10844.45ms. Allocated memory was 224.4MB in the beginning and 390.1MB in the end (delta: 165.7MB). Free memory was 176.8MB in the beginning and 333.3MB in the end (delta: -156.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-10-18 21:09:51,926 INFO L158 Benchmark]: Witness Printer took 80.04ms. Allocated memory is still 390.1MB. Free memory was 333.3MB in the beginning and 328.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-18 21:09:51,928 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.72ms. Allocated memory is still 155.2MB. Free memory was 81.7MB in the beginning and 59.4MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.43ms. Allocated memory is still 155.2MB. Free memory was 59.4MB in the beginning and 57.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.20ms. Allocated memory is still 155.2MB. Free memory was 57.4MB in the beginning and 55.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 441.46ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 55.9MB in the beginning and 178.9MB in the end (delta: -123.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * TraceAbstraction took 10844.45ms. Allocated memory was 224.4MB in the beginning and 390.1MB in the end (delta: 165.7MB). Free memory was 176.8MB in the beginning and 333.3MB in the end (delta: -156.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Witness Printer took 80.04ms. Allocated memory is still 390.1MB. Free memory was 333.3MB in the beginning and 328.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18953, independent: 18613, independent conditional: 17881, independent unconditional: 732, dependent: 340, dependent conditional: 316, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18953, independent: 18613, independent conditional: 17881, independent unconditional: 732, dependent: 340, dependent conditional: 316, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18953, independent: 18613, independent conditional: 17881, independent unconditional: 732, dependent: 340, dependent conditional: 316, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18953, independent: 18613, independent conditional: 17881, independent unconditional: 732, dependent: 340, dependent conditional: 316, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20665, independent: 18613, independent conditional: 17881, independent unconditional: 732, dependent: 2052, dependent conditional: 2004, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20665, independent: 18613, independent conditional: 4944, independent unconditional: 13669, dependent: 2052, dependent conditional: 372, dependent unconditional: 1680, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20665, independent: 18613, independent conditional: 4944, independent unconditional: 13669, dependent: 2052, dependent conditional: 372, dependent unconditional: 1680, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1217, independent: 1062, independent conditional: 384, independent unconditional: 678, dependent: 155, dependent conditional: 131, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1217, independent: 697, independent conditional: 0, independent unconditional: 697, dependent: 520, dependent conditional: 0, dependent unconditional: 520, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 520, independent: 365, independent conditional: 357, independent unconditional: 8, dependent: 155, dependent conditional: 131, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 520, independent: 365, independent conditional: 357, independent unconditional: 8, dependent: 155, dependent conditional: 131, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7670, independent: 5830, independent conditional: 5677, independent unconditional: 152, dependent: 1841, dependent conditional: 1246, dependent unconditional: 594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 20665, independent: 17551, independent conditional: 4560, independent unconditional: 12991, dependent: 1897, dependent conditional: 241, dependent unconditional: 1656, unknown: 1217, unknown conditional: 515, unknown unconditional: 702] , Statistics on independence cache: Total cache size (in pairs): 1217, Positive cache size: 1062, Positive conditional cache size: 384, Positive unconditional cache size: 678, Negative cache size: 155, Negative conditional cache size: 131, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14569, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20665, independent: 18613, independent conditional: 17881, independent unconditional: 732, dependent: 2052, dependent conditional: 2004, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20665, independent: 18613, independent conditional: 4944, independent unconditional: 13669, dependent: 2052, dependent conditional: 372, dependent unconditional: 1680, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20665, independent: 18613, independent conditional: 4944, independent unconditional: 13669, dependent: 2052, dependent conditional: 372, dependent unconditional: 1680, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1217, independent: 1062, independent conditional: 384, independent unconditional: 678, dependent: 155, dependent conditional: 131, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1217, independent: 697, independent conditional: 0, independent unconditional: 697, dependent: 520, dependent conditional: 0, dependent unconditional: 520, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 520, independent: 365, independent conditional: 357, independent unconditional: 8, dependent: 155, dependent conditional: 131, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 520, independent: 365, independent conditional: 357, independent unconditional: 8, dependent: 155, dependent conditional: 131, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7670, independent: 5830, independent conditional: 5677, independent unconditional: 152, dependent: 1841, dependent conditional: 1246, dependent unconditional: 594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 20665, independent: 17551, independent conditional: 4560, independent unconditional: 12991, dependent: 1897, dependent conditional: 241, dependent unconditional: 1656, unknown: 1217, unknown conditional: 515, unknown unconditional: 702] , Statistics on independence cache: Total cache size (in pairs): 1217, Positive cache size: 1062, Positive conditional cache size: 384, Positive unconditional cache size: 678, Negative cache size: 155, Negative conditional cache size: 131, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14569 ], Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.8s, Number of persistent set computation: 731, Number of trivial persistent sets: 385, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 702, independent: 678, independent conditional: 0, independent unconditional: 678, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18953, independent: 18613, independent conditional: 17881, independent unconditional: 732, dependent: 340, dependent conditional: 316, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18953, independent: 18613, independent conditional: 17881, independent unconditional: 732, dependent: 340, dependent conditional: 316, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18953, independent: 18613, independent conditional: 17881, independent unconditional: 732, dependent: 340, dependent conditional: 316, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18953, independent: 18613, independent conditional: 17881, independent unconditional: 732, dependent: 340, dependent conditional: 316, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20665, independent: 18613, independent conditional: 17881, independent unconditional: 732, dependent: 2052, dependent conditional: 2004, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20665, independent: 18613, independent conditional: 4944, independent unconditional: 13669, dependent: 2052, dependent conditional: 372, dependent unconditional: 1680, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20665, independent: 18613, independent conditional: 4944, independent unconditional: 13669, dependent: 2052, dependent conditional: 372, dependent unconditional: 1680, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1217, independent: 1062, independent conditional: 384, independent unconditional: 678, dependent: 155, dependent conditional: 131, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1217, independent: 697, independent conditional: 0, independent unconditional: 697, dependent: 520, dependent conditional: 0, dependent unconditional: 520, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 520, independent: 365, independent conditional: 357, independent unconditional: 8, dependent: 155, dependent conditional: 131, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 520, independent: 365, independent conditional: 357, independent unconditional: 8, dependent: 155, dependent conditional: 131, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7670, independent: 5830, independent conditional: 5677, independent unconditional: 152, dependent: 1841, dependent conditional: 1246, dependent unconditional: 594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 20665, independent: 17551, independent conditional: 4560, independent unconditional: 12991, dependent: 1897, dependent conditional: 241, dependent unconditional: 1656, unknown: 1217, unknown conditional: 515, unknown unconditional: 702] , Statistics on independence cache: Total cache size (in pairs): 1217, Positive cache size: 1062, Positive conditional cache size: 384, Positive unconditional cache size: 678, Negative cache size: 155, Negative conditional cache size: 131, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14569, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20665, independent: 18613, independent conditional: 17881, independent unconditional: 732, dependent: 2052, dependent conditional: 2004, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20665, independent: 18613, independent conditional: 4944, independent unconditional: 13669, dependent: 2052, dependent conditional: 372, dependent unconditional: 1680, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20665, independent: 18613, independent conditional: 4944, independent unconditional: 13669, dependent: 2052, dependent conditional: 372, dependent unconditional: 1680, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1217, independent: 1062, independent conditional: 384, independent unconditional: 678, dependent: 155, dependent conditional: 131, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1217, independent: 697, independent conditional: 0, independent unconditional: 697, dependent: 520, dependent conditional: 0, dependent unconditional: 520, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 520, independent: 365, independent conditional: 357, independent unconditional: 8, dependent: 155, dependent conditional: 131, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 520, independent: 365, independent conditional: 357, independent unconditional: 8, dependent: 155, dependent conditional: 131, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7670, independent: 5830, independent conditional: 5677, independent unconditional: 152, dependent: 1841, dependent conditional: 1246, dependent unconditional: 594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 20665, independent: 17551, independent conditional: 4560, independent unconditional: 12991, dependent: 1897, dependent conditional: 241, dependent unconditional: 1656, unknown: 1217, unknown conditional: 515, unknown unconditional: 702] , Statistics on independence cache: Total cache size (in pairs): 1217, Positive cache size: 1062, Positive conditional cache size: 384, Positive unconditional cache size: 678, Negative cache size: 155, Negative conditional cache size: 131, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14569 ], Independence queries for same thread: 0 - 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 64 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 10.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 9.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, 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, 0.6s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 493 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 7.7s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 30, ConditionalCommutativityTraceChecks: 25, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-18 21:09:51,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-10-18 21:09:52,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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