./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.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/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.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 5350e4ca2594121b974c795f0a5f8bd0219ad1e56ba65ceaff14b5f6479d7178 --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 20:51:32,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 20:51:32,865 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 20:51:32,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 20:51:32,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 20:51:32,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 20:51:32,888 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 20:51:32,888 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 20:51:32,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 20:51:32,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 20:51:32,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 20:51:32,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 20:51:32,890 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 20:51:32,890 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 20:51:32,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 20:51:32,890 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 20:51:32,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 20:51:32,891 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 20:51:32,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 20:51:32,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 20:51:32,891 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 20:51:32,894 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 20:51:32,894 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 20:51:32,894 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 20:51:32,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 20:51:32,895 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 20:51:32,895 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 20:51:32,895 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 20:51:32,895 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 20:51:32,895 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 20:51:32,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 20:51:32,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 20:51:32,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 20:51:32,896 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 20:51:32,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 20:51:32,897 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 20:51:32,897 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 20:51:32,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 20:51:32,899 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 20:51:32,900 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 20:51:32,900 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 20:51:32,900 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 -> 5350e4ca2594121b974c795f0a5f8bd0219ad1e56ba65ceaff14b5f6479d7178 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 20:51:33,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 20:51:33,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 20:51:33,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 20:51:33,112 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 20:51:33,112 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 20:51:33,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-18 20:51:34,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 20:51:34,482 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 20:51:34,482 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-18 20:51:34,492 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cddb1dddf/77aab18bb5024e8c8ef207b202ff8e5f/FLAG511ad285a [2024-10-18 20:51:34,503 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cddb1dddf/77aab18bb5024e8c8ef207b202ff8e5f [2024-10-18 20:51:34,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 20:51:34,505 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 20:51:34,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 20:51:34,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 20:51:34,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 20:51:34,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 08:51:34" (1/1) ... [2024-10-18 20:51:34,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21c201ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:51:34, skipping insertion in model container [2024-10-18 20:51:34,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 08:51:34" (1/1) ... [2024-10-18 20:51:34,550 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 20:51:34,692 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/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-10-18 20:51:34,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 20:51:34,835 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 20:51:34,846 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/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-10-18 20:51:34,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 20:51:34,933 INFO L204 MainTranslator]: Completed translation [2024-10-18 20:51:34,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:51:34 WrapperNode [2024-10-18 20:51:34,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 20:51:34,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 20:51:34,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 20:51:34,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 20:51:34,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:51:34" (1/1) ... [2024-10-18 20:51:34,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:51:34" (1/1) ... [2024-10-18 20:51:34,975 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-10-18 20:51:34,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 20:51:34,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 20:51:34,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 20:51:34,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 20:51:34,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:51:34" (1/1) ... [2024-10-18 20:51:34,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:51:34" (1/1) ... [2024-10-18 20:51:34,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:51:34" (1/1) ... [2024-10-18 20:51:34,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:51:34" (1/1) ... [2024-10-18 20:51:34,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:51:34" (1/1) ... [2024-10-18 20:51:34,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:51:34" (1/1) ... [2024-10-18 20:51:34,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:51:34" (1/1) ... [2024-10-18 20:51:34,997 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:51:34" (1/1) ... [2024-10-18 20:51:34,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 20:51:35,000 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 20:51:35,000 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 20:51:35,000 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 20:51:35,001 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:51:34" (1/1) ... [2024-10-18 20:51:35,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 20:51:35,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 20:51:35,033 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 20:51:35,036 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 20:51:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 20:51:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 20:51:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-18 20:51:35,072 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-18 20:51:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-18 20:51:35,072 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-18 20:51:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-18 20:51:35,072 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-18 20:51:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 20:51:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 20:51:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 20:51:35,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 20:51:35,075 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 20:51:35,168 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 20:51:35,169 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 20:51:35,278 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 20:51:35,278 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 20:51:35,334 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 20:51:35,334 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 20:51:35,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 08:51:35 BoogieIcfgContainer [2024-10-18 20:51:35,335 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 20:51:35,337 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 20:51:35,337 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 20:51:35,340 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 20:51:35,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 08:51:34" (1/3) ... [2024-10-18 20:51:35,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11bce39a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 08:51:35, skipping insertion in model container [2024-10-18 20:51:35,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:51:34" (2/3) ... [2024-10-18 20:51:35,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11bce39a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 08:51:35, skipping insertion in model container [2024-10-18 20:51:35,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 08:51:35" (3/3) ... [2024-10-18 20:51:35,343 INFO L112 eAbstractionObserver]: Analyzing ICFG safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-18 20:51:35,358 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 20:51:35,358 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 20:51:35,358 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 20:51:35,395 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 20:51:35,427 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 20:51:35,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 20:51:35,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 20:51:35,430 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 20:51:35,431 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 20:51:35,496 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 20:51:35,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:51:35,513 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 20:51:35,519 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;@5cedfe79, 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 20:51:35,519 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 20:51:36,188 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 20:51:36,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:51:36,191 INFO L85 PathProgramCache]: Analyzing trace with hash -591436263, now seen corresponding path program 1 times [2024-10-18 20:51:36,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 20:51:36,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771944073] [2024-10-18 20:51:36,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:36,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:51:36,618 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 20:51:36,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 20:51:36,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771944073] [2024-10-18 20:51:36,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771944073] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 20:51:36,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 20:51:36,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 20:51:36,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123333775] [2024-10-18 20:51:36,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 20:51:36,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 20:51:36,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 20:51:36,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 20:51:36,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 20:51:36,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:51:36,645 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 20:51:36,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) 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 20:51:36,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:51:36,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1492121502, now seen corresponding path program 1 times [2024-10-18 20:51:36,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:36,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:51:37,033 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 20:51:37,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:37,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:51:37,117 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 20:51:37,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 20:51:37,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-18 20:51:37,317 INFO L85 PathProgramCache]: Analyzing trace with hash -572275168, now seen corresponding path program 1 times [2024-10-18 20:51:37,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:37,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:37,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:37,488 INFO L85 PathProgramCache]: Analyzing trace with hash 996541633, now seen corresponding path program 1 times [2024-10-18 20:51:37,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:37,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:37,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:37,864 INFO L85 PathProgramCache]: Analyzing trace with hash -928725944, now seen corresponding path program 1 times [2024-10-18 20:51:37,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:37,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:37,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:37,961 INFO L85 PathProgramCache]: Analyzing trace with hash 292306593, now seen corresponding path program 1 times [2024-10-18 20:51:37,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:37,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:37,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:38,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1249168493, now seen corresponding path program 1 times [2024-10-18 20:51:38,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:38,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:38,798 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:38,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1050344044, now seen corresponding path program 1 times [2024-10-18 20:51:38,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:38,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:38,845 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:38,873 INFO L85 PathProgramCache]: Analyzing trace with hash -864747801, now seen corresponding path program 1 times [2024-10-18 20:51:38,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:38,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:38,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:38,967 INFO L85 PathProgramCache]: Analyzing trace with hash 658064111, now seen corresponding path program 1 times [2024-10-18 20:51:38,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:38,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:38,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 20:51:38,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9,SelfDestructingSolverStorable0 [2024-10-18 20:51:38,987 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 20:51:38,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:51:38,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1704093902, now seen corresponding path program 1 times [2024-10-18 20:51:38,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 20:51:38,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007999230] [2024-10-18 20:51:38,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:38,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:51:39,108 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 20:51:39,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 20:51:39,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007999230] [2024-10-18 20:51:39,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007999230] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 20:51:39,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 20:51:39,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-18 20:51:39,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26054930] [2024-10-18 20:51:39,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 20:51:39,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 20:51:39,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 20:51:39,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 20:51:39,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-18 20:51:39,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:51:39,111 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 20:51:39,111 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 20:51:39,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 20:51:39,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:51:39,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1249168389, now seen corresponding path program 1 times [2024-10-18 20:51:39,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:39,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:39,970 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:40,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1050343940, now seen corresponding path program 1 times [2024-10-18 20:51:40,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:40,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:40,010 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:40,044 INFO L85 PathProgramCache]: Analyzing trace with hash -864747695, now seen corresponding path program 1 times [2024-10-18 20:51:40,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:40,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:40,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:40,196 INFO L85 PathProgramCache]: Analyzing trace with hash -304184093, now seen corresponding path program 1 times [2024-10-18 20:51:40,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:40,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:40,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:40,815 INFO L85 PathProgramCache]: Analyzing trace with hash 49159474, now seen corresponding path program 1 times [2024-10-18 20:51:40,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:40,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:40,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:40,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1786569029, now seen corresponding path program 1 times [2024-10-18 20:51:40,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:40,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:40,869 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:41,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1002496255, now seen corresponding path program 1 times [2024-10-18 20:51:41,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:41,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:41,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:41,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1149064358, now seen corresponding path program 1 times [2024-10-18 20:51:41,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:41,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:41,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:41,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1315899427, now seen corresponding path program 1 times [2024-10-18 20:51:41,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:41,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:41,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:41,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1566050444, now seen corresponding path program 1 times [2024-10-18 20:51:41,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:41,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:41,547 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:41,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 20:51:41,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 20:51:41,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-18 20:51:41,586 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 20:51:41,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:51:41,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1356889650, now seen corresponding path program 2 times [2024-10-18 20:51:41,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 20:51:41,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347596721] [2024-10-18 20:51:41,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:41,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:51:41,750 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 20:51:41,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 20:51:41,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347596721] [2024-10-18 20:51:41,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347596721] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 20:51:41,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 20:51:41,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 20:51:41,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081330865] [2024-10-18 20:51:41,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 20:51:41,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 20:51:41,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 20:51:41,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 20:51:41,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-18 20:51:41,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:51:41,752 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 20:51:41,752 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 20:51:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 20:51:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 20:51:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:51:43,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1149064047, now seen corresponding path program 1 times [2024-10-18 20:51:43,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:43,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:43,654 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:44,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1315898934, now seen corresponding path program 1 times [2024-10-18 20:51:44,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:44,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:44,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:44,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1566049949, now seen corresponding path program 1 times [2024-10-18 20:51:44,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:44,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:44,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:44,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1850826701, now seen corresponding path program 1 times [2024-10-18 20:51:44,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:44,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:44,863 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:45,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1673117686, now seen corresponding path program 1 times [2024-10-18 20:51:45,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:45,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:45,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:45,468 INFO L85 PathProgramCache]: Analyzing trace with hash -456652325, now seen corresponding path program 1 times [2024-10-18 20:51:45,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:45,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:45,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:45,821 INFO L85 PathProgramCache]: Analyzing trace with hash 2088446295, now seen corresponding path program 1 times [2024-10-18 20:51:45,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:51:45,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:51:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:45,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:51:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:51:46,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 20:51:46,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 20:51:46,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 20:51:46,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-18 20:51:46,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-18 20:51:46,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-18 20:51:46,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-18 20:51:46,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-10-18 20:51:46,126 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, 1] [2024-10-18 20:51:46,128 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-18 20:51:46,128 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-18 20:51:46,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 08:51:46 BasicIcfg [2024-10-18 20:51:46,132 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-18 20:51:46,133 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-18 20:51:46,133 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-18 20:51:46,133 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-18 20:51:46,133 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 08:51:35" (3/4) ... [2024-10-18 20:51:46,135 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-18 20:51:46,137 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-18 20:51:46,137 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-18 20:51:46,137 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-18 20:51:46,140 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-10-18 20:51:46,141 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-18 20:51:46,141 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-18 20:51:46,141 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-18 20:51:46,200 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-18 20:51:46,201 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-18 20:51:46,201 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-18 20:51:46,201 INFO L158 Benchmark]: Toolchain (without parser) took 11695.66ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 70.8MB in the beginning and 258.5MB in the end (delta: -187.8MB). Peak memory consumption was 90.1MB. Max. memory is 16.1GB. [2024-10-18 20:51:46,201 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 142.6MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 20:51:46,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.22ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 70.6MB in the beginning and 164.8MB in the end (delta: -94.2MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2024-10-18 20:51:46,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.12ms. Allocated memory is still 197.1MB. Free memory was 164.8MB in the beginning and 162.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 20:51:46,202 INFO L158 Benchmark]: Boogie Preprocessor took 23.12ms. Allocated memory is still 197.1MB. Free memory was 162.7MB in the beginning and 160.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 20:51:46,202 INFO L158 Benchmark]: RCFGBuilder took 334.96ms. Allocated memory is still 197.1MB. Free memory was 160.6MB in the beginning and 141.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-18 20:51:46,203 INFO L158 Benchmark]: TraceAbstraction took 10795.75ms. Allocated memory was 197.1MB in the beginning and 419.4MB in the end (delta: 222.3MB). Free memory was 140.7MB in the beginning and 262.7MB in the end (delta: -122.0MB). Peak memory consumption was 100.3MB. Max. memory is 16.1GB. [2024-10-18 20:51:46,203 INFO L158 Benchmark]: Witness Printer took 67.82ms. Allocated memory is still 419.4MB. Free memory was 262.7MB in the beginning and 258.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-18 20:51:46,204 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 142.6MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.22ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 70.6MB in the beginning and 164.8MB in the end (delta: -94.2MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.12ms. Allocated memory is still 197.1MB. Free memory was 164.8MB in the beginning and 162.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.12ms. Allocated memory is still 197.1MB. Free memory was 162.7MB in the beginning and 160.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 334.96ms. Allocated memory is still 197.1MB. Free memory was 160.6MB in the beginning and 141.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 10795.75ms. Allocated memory was 197.1MB in the beginning and 419.4MB in the end (delta: 222.3MB). Free memory was 140.7MB in the beginning and 262.7MB in the end (delta: -122.0MB). Peak memory consumption was 100.3MB. Max. memory is 16.1GB. * Witness Printer took 67.82ms. Allocated memory is still 419.4MB. Free memory was 262.7MB in the beginning and 258.5MB 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: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20481, independent: 19933, independent conditional: 19182, independent unconditional: 751, dependent: 548, dependent conditional: 523, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20481, independent: 19933, independent conditional: 19182, independent unconditional: 751, dependent: 548, dependent conditional: 523, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20481, independent: 19933, independent conditional: 19182, independent unconditional: 751, dependent: 548, dependent conditional: 523, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 20481, independent: 19933, independent conditional: 19182, independent unconditional: 751, dependent: 548, dependent conditional: 523, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22517, independent: 19933, independent conditional: 19182, independent unconditional: 751, dependent: 2584, dependent conditional: 2534, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22517, independent: 19933, independent conditional: 4631, independent unconditional: 15302, dependent: 2584, dependent conditional: 667, dependent unconditional: 1917, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22517, independent: 19933, independent conditional: 4631, independent unconditional: 15302, dependent: 2584, dependent conditional: 667, dependent unconditional: 1917, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1295, independent: 1061, independent conditional: 390, independent unconditional: 671, dependent: 234, dependent conditional: 209, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1295, independent: 683, independent conditional: 0, independent unconditional: 683, dependent: 612, dependent conditional: 0, dependent unconditional: 612, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 612, independent: 378, independent conditional: 370, independent unconditional: 8, dependent: 234, dependent conditional: 209, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 612, independent: 378, independent conditional: 370, independent unconditional: 8, dependent: 234, dependent conditional: 209, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7579, independent: 5406, independent conditional: 5260, independent unconditional: 146, dependent: 2173, dependent conditional: 1540, dependent unconditional: 633, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 22517, independent: 18872, independent conditional: 4241, independent unconditional: 14631, dependent: 2350, dependent conditional: 458, dependent unconditional: 1892, unknown: 1295, unknown conditional: 599, unknown unconditional: 696] , Statistics on independence cache: Total cache size (in pairs): 1295, Positive cache size: 1061, Positive conditional cache size: 390, Positive unconditional cache size: 671, Negative cache size: 234, Negative conditional cache size: 209, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16418, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22517, independent: 19933, independent conditional: 19182, independent unconditional: 751, dependent: 2584, dependent conditional: 2534, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22517, independent: 19933, independent conditional: 4631, independent unconditional: 15302, dependent: 2584, dependent conditional: 667, dependent unconditional: 1917, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22517, independent: 19933, independent conditional: 4631, independent unconditional: 15302, dependent: 2584, dependent conditional: 667, dependent unconditional: 1917, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1295, independent: 1061, independent conditional: 390, independent unconditional: 671, dependent: 234, dependent conditional: 209, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1295, independent: 683, independent conditional: 0, independent unconditional: 683, dependent: 612, dependent conditional: 0, dependent unconditional: 612, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 612, independent: 378, independent conditional: 370, independent unconditional: 8, dependent: 234, dependent conditional: 209, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 612, independent: 378, independent conditional: 370, independent unconditional: 8, dependent: 234, dependent conditional: 209, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7579, independent: 5406, independent conditional: 5260, independent unconditional: 146, dependent: 2173, dependent conditional: 1540, dependent unconditional: 633, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 22517, independent: 18872, independent conditional: 4241, independent unconditional: 14631, dependent: 2350, dependent conditional: 458, dependent unconditional: 1892, unknown: 1295, unknown conditional: 599, unknown unconditional: 696] , Statistics on independence cache: Total cache size (in pairs): 1295, Positive cache size: 1061, Positive conditional cache size: 390, Positive unconditional cache size: 671, Negative cache size: 234, Negative conditional cache size: 209, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16418 ], Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.9s, Number of persistent set computation: 737, Number of trivial persistent sets: 445, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 696, independent: 671, independent conditional: 0, independent unconditional: 671, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20481, independent: 19933, independent conditional: 19182, independent unconditional: 751, dependent: 548, dependent conditional: 523, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20481, independent: 19933, independent conditional: 19182, independent unconditional: 751, dependent: 548, dependent conditional: 523, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20481, independent: 19933, independent conditional: 19182, independent unconditional: 751, dependent: 548, dependent conditional: 523, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 20481, independent: 19933, independent conditional: 19182, independent unconditional: 751, dependent: 548, dependent conditional: 523, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22517, independent: 19933, independent conditional: 19182, independent unconditional: 751, dependent: 2584, dependent conditional: 2534, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22517, independent: 19933, independent conditional: 4631, independent unconditional: 15302, dependent: 2584, dependent conditional: 667, dependent unconditional: 1917, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22517, independent: 19933, independent conditional: 4631, independent unconditional: 15302, dependent: 2584, dependent conditional: 667, dependent unconditional: 1917, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1295, independent: 1061, independent conditional: 390, independent unconditional: 671, dependent: 234, dependent conditional: 209, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1295, independent: 683, independent conditional: 0, independent unconditional: 683, dependent: 612, dependent conditional: 0, dependent unconditional: 612, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 612, independent: 378, independent conditional: 370, independent unconditional: 8, dependent: 234, dependent conditional: 209, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 612, independent: 378, independent conditional: 370, independent unconditional: 8, dependent: 234, dependent conditional: 209, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7579, independent: 5406, independent conditional: 5260, independent unconditional: 146, dependent: 2173, dependent conditional: 1540, dependent unconditional: 633, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 22517, independent: 18872, independent conditional: 4241, independent unconditional: 14631, dependent: 2350, dependent conditional: 458, dependent unconditional: 1892, unknown: 1295, unknown conditional: 599, unknown unconditional: 696] , Statistics on independence cache: Total cache size (in pairs): 1295, Positive cache size: 1061, Positive conditional cache size: 390, Positive unconditional cache size: 671, Negative cache size: 234, Negative conditional cache size: 209, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16418, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22517, independent: 19933, independent conditional: 19182, independent unconditional: 751, dependent: 2584, dependent conditional: 2534, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22517, independent: 19933, independent conditional: 4631, independent unconditional: 15302, dependent: 2584, dependent conditional: 667, dependent unconditional: 1917, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22517, independent: 19933, independent conditional: 4631, independent unconditional: 15302, dependent: 2584, dependent conditional: 667, dependent unconditional: 1917, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1295, independent: 1061, independent conditional: 390, independent unconditional: 671, dependent: 234, dependent conditional: 209, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1295, independent: 683, independent conditional: 0, independent unconditional: 683, dependent: 612, dependent conditional: 0, dependent unconditional: 612, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 612, independent: 378, independent conditional: 370, independent unconditional: 8, dependent: 234, dependent conditional: 209, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 612, independent: 378, independent conditional: 370, independent unconditional: 8, dependent: 234, dependent conditional: 209, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7579, independent: 5406, independent conditional: 5260, independent unconditional: 146, dependent: 2173, dependent conditional: 1540, dependent unconditional: 633, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 22517, independent: 18872, independent conditional: 4241, independent unconditional: 14631, dependent: 2350, dependent conditional: 458, dependent unconditional: 1892, unknown: 1295, unknown conditional: 599, unknown unconditional: 696] , Statistics on independence cache: Total cache size (in pairs): 1295, Positive cache size: 1061, Positive conditional cache size: 390, Positive unconditional cache size: 671, Negative cache size: 234, Negative conditional cache size: 209, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16418 ], 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: 10.6s, 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: 24, 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, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 617 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: 7.8s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 31, ConditionalCommutativityTraceChecks: 26, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-18 20:51:46,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-18 20:51:46,426 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