./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix005.opt.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --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/mix005.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 0c4e58b38f229da1b25a4c7b1c830f1f36e4dc5c1e18903f04a209f4b4cfa3c5 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --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 [2024-10-19 00:33:44,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-19 00:33:44,537 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-19 00:33:44,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-19 00:33:44,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-19 00:33:44,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-19 00:33:44,573 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-19 00:33:44,574 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-19 00:33:44,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-19 00:33:44,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-19 00:33:44,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-19 00:33:44,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-19 00:33:44,576 INFO L153 SettingsManager]: * Use SBE=true [2024-10-19 00:33:44,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-19 00:33:44,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-19 00:33:44,577 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-19 00:33:44,577 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-19 00:33:44,579 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-19 00:33:44,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-19 00:33:44,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-19 00:33:44,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-19 00:33:44,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-19 00:33:44,584 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-19 00:33:44,584 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-19 00:33:44,585 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-19 00:33:44,585 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-19 00:33:44,585 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-19 00:33:44,585 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-19 00:33:44,585 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-19 00:33:44,586 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-19 00:33:44,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 00:33:44,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-19 00:33:44,586 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-19 00:33:44,587 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-19 00:33:44,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-19 00:33:44,587 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-19 00:33:44,587 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-19 00:33:44,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-19 00:33:44,588 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-19 00:33:44,588 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-19 00:33:44,588 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-19 00:33:44,589 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 -> 0c4e58b38f229da1b25a4c7b1c830f1f36e4dc5c1e18903f04a209f4b4cfa3c5 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 -> SLEEP_SET 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 [2024-10-19 00:33:44,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-19 00:33:44,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-19 00:33:44,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-19 00:33:44,896 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-19 00:33:44,897 INFO L274 PluginConnector]: CDTParser initialized [2024-10-19 00:33:44,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix005.opt.i [2024-10-19 00:33:46,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-19 00:33:46,639 INFO L384 CDTParser]: Found 1 translation units. [2024-10-19 00:33:46,640 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix005.opt.i [2024-10-19 00:33:46,658 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bf547b5f0/e14ccfcc74f24b1ca51263edbe5550a4/FLAG912da003d [2024-10-19 00:33:46,676 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bf547b5f0/e14ccfcc74f24b1ca51263edbe5550a4 [2024-10-19 00:33:46,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-19 00:33:46,680 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-19 00:33:46,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-19 00:33:46,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-19 00:33:46,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-19 00:33:46,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 12:33:46" (1/1) ... [2024-10-19 00:33:46,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@193ab562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 12:33:46, skipping insertion in model container [2024-10-19 00:33:46,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 12:33:46" (1/1) ... [2024-10-19 00:33:46,749 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-19 00:33:46,952 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/mix005.opt.i[944,957] [2024-10-19 00:33:47,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 00:33:47,176 INFO L200 MainTranslator]: Completed pre-run [2024-10-19 00:33:47,188 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/mix005.opt.i[944,957] [2024-10-19 00:33:47,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 00:33:47,284 INFO L204 MainTranslator]: Completed translation [2024-10-19 00:33:47,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 12:33:47 WrapperNode [2024-10-19 00:33:47,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-19 00:33:47,285 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-19 00:33:47,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-19 00:33:47,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-19 00:33:47,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 12:33:47" (1/1) ... [2024-10-19 00:33:47,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 12:33:47" (1/1) ... [2024-10-19 00:33:47,337 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 151 [2024-10-19 00:33:47,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-19 00:33:47,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-19 00:33:47,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-19 00:33:47,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-19 00:33:47,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 12:33:47" (1/1) ... [2024-10-19 00:33:47,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 12:33:47" (1/1) ... [2024-10-19 00:33:47,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 12:33:47" (1/1) ... [2024-10-19 00:33:47,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 12:33:47" (1/1) ... [2024-10-19 00:33:47,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 12:33:47" (1/1) ... [2024-10-19 00:33:47,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 12:33:47" (1/1) ... [2024-10-19 00:33:47,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 12:33:47" (1/1) ... [2024-10-19 00:33:47,377 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 12:33:47" (1/1) ... [2024-10-19 00:33:47,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-19 00:33:47,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-19 00:33:47,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-19 00:33:47,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-19 00:33:47,388 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 12:33:47" (1/1) ... [2024-10-19 00:33:47,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 00:33:47,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 00:33:47,434 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) [2024-10-19 00:33:47,437 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 [2024-10-19 00:33:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-19 00:33:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-19 00:33:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-19 00:33:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-19 00:33:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-19 00:33:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-19 00:33:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-19 00:33:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-19 00:33:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-19 00:33:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-19 00:33:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-19 00:33:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-19 00:33:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-19 00:33:47,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-19 00:33:47,490 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-19 00:33:47,628 INFO L238 CfgBuilder]: Building ICFG [2024-10-19 00:33:47,630 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-19 00:33:47,995 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-19 00:33:47,995 INFO L287 CfgBuilder]: Performing block encoding [2024-10-19 00:33:48,204 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-19 00:33:48,205 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-19 00:33:48,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 12:33:48 BoogieIcfgContainer [2024-10-19 00:33:48,206 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-19 00:33:48,209 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-19 00:33:48,210 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-19 00:33:48,214 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-19 00:33:48,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 12:33:46" (1/3) ... [2024-10-19 00:33:48,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b50360b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 12:33:48, skipping insertion in model container [2024-10-19 00:33:48,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 12:33:47" (2/3) ... [2024-10-19 00:33:48,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b50360b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 12:33:48, skipping insertion in model container [2024-10-19 00:33:48,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 12:33:48" (3/3) ... [2024-10-19 00:33:48,218 INFO L112 eAbstractionObserver]: Analyzing ICFG mix005.opt.i [2024-10-19 00:33:48,236 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-19 00:33:48,236 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-19 00:33:48,236 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-19 00:33:48,296 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-19 00:33:48,343 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-19 00:33:48,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-19 00:33:48,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 00:33:48,345 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) [2024-10-19 00:33:48,347 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 [2024-10-19 00:33:48,449 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-19 00:33:48,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 00:33:48,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-19 00:33:48,480 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;@4a9ef1a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-19 00:33:48,480 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-19 00:33:58,295 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 2 more)] === [2024-10-19 00:33:58,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 00:33:58,297 INFO L85 PathProgramCache]: Analyzing trace with hash -374010937, now seen corresponding path program 1 times [2024-10-19 00:33:58,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 00:33:58,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459902775] [2024-10-19 00:33:58,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:33:58,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:33:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 00:33:59,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 00:33:59,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 00:33:59,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459902775] [2024-10-19 00:33:59,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459902775] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 00:33:59,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 00:33:59,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-19 00:33:59,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119416977] [2024-10-19 00:33:59,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 00:33:59,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-19 00:33:59,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 00:33:59,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 00:33:59,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-19 00:33:59,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 00:33:59,149 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 00:33:59,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 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) [2024-10-19 00:33:59,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 00:33:59,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1666100578, now seen corresponding path program 1 times [2024-10-19 00:33:59,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:33:59,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:33:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 00:33:59,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 00:33:59,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:33:59,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:33:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 00:33:59,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 00:33:59,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-19 00:33:59,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-19 00:34:09,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-19 00:34:09,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-19 00:34:09,291 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 2 more)] === [2024-10-19 00:34:09,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 00:34:09,292 INFO L85 PathProgramCache]: Analyzing trace with hash 208876376, now seen corresponding path program 1 times [2024-10-19 00:34:09,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 00:34:09,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068854224] [2024-10-19 00:34:09,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:34:09,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:34:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 00:34:09,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 00:34:09,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 00:34:09,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068854224] [2024-10-19 00:34:09,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068854224] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 00:34:09,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 00:34:09,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-19 00:34:09,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100920672] [2024-10-19 00:34:09,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 00:34:09,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-19 00:34:09,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 00:34:09,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-19 00:34:09,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-19 00:34:09,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 00:34:09,766 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 00:34:09,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 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) [2024-10-19 00:34:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-19 00:34:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 00:34:09,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1474528590, now seen corresponding path program 1 times [2024-10-19 00:34:09,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:34:09,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:34:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:34:10,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:34:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:34:10,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1409173189, now seen corresponding path program 1 times [2024-10-19 00:34:10,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:34:10,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:34:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:34:10,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:34:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:34:10,562 INFO L85 PathProgramCache]: Analyzing trace with hash 798966909, now seen corresponding path program 1 times [2024-10-19 00:34:10,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:34:10,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:34:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:34:10,593 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:34:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:34:10,647 INFO L85 PathProgramCache]: Analyzing trace with hash 25774391, now seen corresponding path program 1 times [2024-10-19 00:34:10,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:34:10,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:34:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:34:10,682 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:34:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:34:10,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1247757670, now seen corresponding path program 1 times [2024-10-19 00:34:10,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:34:10,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:34:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:34:10,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:34:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:34:11,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1306731299, now seen corresponding path program 1 times [2024-10-19 00:34:11,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:34:11,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:34:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:34:11,141 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:34:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:34:11,270 INFO L85 PathProgramCache]: Analyzing trace with hash 433929084, now seen corresponding path program 1 times [2024-10-19 00:34:11,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:34:11,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:34:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:34:11,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:34:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:34:11,457 INFO L85 PathProgramCache]: Analyzing trace with hash 240794824, now seen corresponding path program 1 times [2024-10-19 00:34:11,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:34:11,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:34:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:34:11,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:34:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:34:11,530 INFO L85 PathProgramCache]: Analyzing trace with hash -2070441114, now seen corresponding path program 1 times [2024-10-19 00:34:11,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:34:11,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:34:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:34:11,564 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:34:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:34:14,836 INFO L85 PathProgramCache]: Analyzing trace with hash -468604240, now seen corresponding path program 1 times [2024-10-19 00:34:14,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:34:14,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:34:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 00:34:14,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 00:34:14,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:34:14,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:34:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 00:34:14,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 00:34:14,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-19 00:34:14,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-19 00:34:43,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1641835972, now seen corresponding path program 1 times [2024-10-19 00:34:43,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:34:43,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:34:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:34:43,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:34:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:35:41,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1551697882, now seen corresponding path program 1 times [2024-10-19 00:35:41,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:35:41,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:35:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:35:41,873 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:35:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:36:09,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1991162327, now seen corresponding path program 1 times [2024-10-19 00:36:09,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:36:09,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:36:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:36:09,277 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:36:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:36:28,236 INFO L85 PathProgramCache]: Analyzing trace with hash 65335311, now seen corresponding path program 1 times [2024-10-19 00:36:28,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:36:28,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:36:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:36:28,257 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:36:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:36:48,013 INFO L85 PathProgramCache]: Analyzing trace with hash -829055220, now seen corresponding path program 1 times [2024-10-19 00:36:48,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:36:48,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:36:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:36:48,032 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:36:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:37:08,489 INFO L85 PathProgramCache]: Analyzing trace with hash -454457814, now seen corresponding path program 1 times [2024-10-19 00:37:08,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:37:08,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:37:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:37:08,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:37:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:37:25,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1352152908, now seen corresponding path program 1 times [2024-10-19 00:37:25,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:37:25,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:37:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:37:25,856 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:37:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:38:10,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1305405150, now seen corresponding path program 1 times [2024-10-19 00:38:10,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:38:10,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:38:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:38:10,410 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:38:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:39:03,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1252273626, now seen corresponding path program 1 times [2024-10-19 00:39:03,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:39:03,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:39:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:39:03,514 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:39:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:39:32,801 INFO L85 PathProgramCache]: Analyzing trace with hash -361386512, now seen corresponding path program 1 times [2024-10-19 00:39:32,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:39:32,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:39:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:39:32,807 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:39:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:39:55,128 INFO L85 PathProgramCache]: Analyzing trace with hash 908231646, now seen corresponding path program 1 times [2024-10-19 00:39:55,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:39:55,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:39:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:39:55,138 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:39:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:40:22,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 00:40:22,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-19 00:40:22,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable4,SelfDestructingSolverStorable18,SelfDestructingSolverStorable3,SelfDestructingSolverStorable19,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable21,SelfDestructingSolverStorable11,SelfDestructingSolverStorable22,SelfDestructingSolverStorable12,SelfDestructingSolverStorable23,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable24,SelfDestructingSolverStorable14,SelfDestructingSolverStorable25,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-19 00:40:22,485 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 2 more)] === [2024-10-19 00:40:22,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 00:40:22,485 INFO L85 PathProgramCache]: Analyzing trace with hash -611831088, now seen corresponding path program 1 times [2024-10-19 00:40:22,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 00:40:22,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175132517] [2024-10-19 00:40:22,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:40:22,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:40:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 00:40:22,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 00:40:22,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 00:40:22,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175132517] [2024-10-19 00:40:22,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175132517] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 00:40:22,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 00:40:22,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-19 00:40:22,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193668522] [2024-10-19 00:40:22,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 00:40:22,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-19 00:40:22,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 00:40:22,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 00:40:22,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-19 00:40:22,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 00:40:22,793 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 00:40:22,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 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) [2024-10-19 00:40:22,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 00:40:22,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-19 00:40:22,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 00:42:36,778 INFO L85 PathProgramCache]: Analyzing trace with hash -361385272, now seen corresponding path program 1 times [2024-10-19 00:42:36,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:42:36,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:42:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:42:36,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 00:42:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 00:46:20,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1674915102, now seen corresponding path program 1 times [2024-10-19 00:46:20,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:46:20,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:46:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 00:46:20,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 00:46:20,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 00:46:20,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 00:46:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 00:46:20,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 00:46:20,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-19 00:46:20,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 Killed by 15