./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -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/weaver/mult-flipped-dist.wvr.c -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 7cfd33ca5f647adf12592c5e71401ab9da35a49d8f2ec6d0757ea2cc237974cc --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -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 16:51:41,891 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 16:51:41,984 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 16:51:41,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 16:51:41,989 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 16:51:42,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 16:51:42,018 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 16:51:42,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 16:51:42,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 16:51:42,023 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 16:51:42,024 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 16:51:42,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 16:51:42,025 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 16:51:42,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 16:51:42,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 16:51:42,026 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 16:51:42,026 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 16:51:42,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 16:51:42,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 16:51:42,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 16:51:42,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 16:51:42,028 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 16:51:42,029 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 16:51:42,029 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 16:51:42,029 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 16:51:42,029 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 16:51:42,030 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 16:51:42,030 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 16:51:42,030 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 16:51:42,030 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 16:51:42,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 16:51:42,031 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 16:51:42,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 16:51:42,032 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 16:51:42,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 16:51:42,033 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 16:51:42,033 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 16:51:42,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 16:51:42,033 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 16:51:42,034 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 16:51:42,034 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 16:51:42,034 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cfd33ca5f647adf12592c5e71401ab9da35a49d8f2ec6d0757ea2cc237974cc Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP [2024-10-18 16:51:42,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 16:51:42,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 16:51:42,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 16:51:42,341 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 16:51:42,341 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 16:51:42,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c [2024-10-18 16:51:43,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 16:51:43,988 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 16:51:43,989 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c [2024-10-18 16:51:43,997 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cab802b92/dfb377ce0ab24ccfaa9424b4dac8db85/FLAG8a8fe3c64 [2024-10-18 16:51:44,382 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cab802b92/dfb377ce0ab24ccfaa9424b4dac8db85 [2024-10-18 16:51:44,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 16:51:44,386 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 16:51:44,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 16:51:44,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 16:51:44,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 16:51:44,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 04:51:44" (1/1) ... [2024-10-18 16:51:44,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e573809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:51:44, skipping insertion in model container [2024-10-18 16:51:44,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 04:51:44" (1/1) ... [2024-10-18 16:51:44,419 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 16:51:44,630 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c[2174,2187] [2024-10-18 16:51:44,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 16:51:44,647 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 16:51:44,672 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c[2174,2187] [2024-10-18 16:51:44,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 16:51:44,705 INFO L204 MainTranslator]: Completed translation [2024-10-18 16:51:44,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:51:44 WrapperNode [2024-10-18 16:51:44,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 16:51:44,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 16:51:44,707 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 16:51:44,707 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 16:51:44,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:51:44" (1/1) ... [2024-10-18 16:51:44,721 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:51:44" (1/1) ... [2024-10-18 16:51:44,740 INFO L138 Inliner]: procedures = 21, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2024-10-18 16:51:44,741 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 16:51:44,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 16:51:44,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 16:51:44,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 16:51:44,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:51:44" (1/1) ... [2024-10-18 16:51:44,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:51:44" (1/1) ... [2024-10-18 16:51:44,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:51:44" (1/1) ... [2024-10-18 16:51:44,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:51:44" (1/1) ... [2024-10-18 16:51:44,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:51:44" (1/1) ... [2024-10-18 16:51:44,767 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:51:44" (1/1) ... [2024-10-18 16:51:44,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:51:44" (1/1) ... [2024-10-18 16:51:44,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:51:44" (1/1) ... [2024-10-18 16:51:44,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 16:51:44,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 16:51:44,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 16:51:44,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 16:51:44,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:51:44" (1/1) ... [2024-10-18 16:51:44,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 16:51:44,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 16:51:44,814 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 16:51:44,820 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 16:51:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 16:51:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-18 16:51:44,865 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-18 16:51:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-18 16:51:44,865 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-18 16:51:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-18 16:51:44,865 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-18 16:51:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 16:51:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 16:51:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 16:51:44,867 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 16:51:44,952 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 16:51:44,954 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 16:51:45,122 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 16:51:45,122 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 16:51:45,267 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 16:51:45,267 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-18 16:51:45,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 04:51:45 BoogieIcfgContainer [2024-10-18 16:51:45,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 16:51:45,271 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 16:51:45,271 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 16:51:45,275 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 16:51:45,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 04:51:44" (1/3) ... [2024-10-18 16:51:45,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ea7900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 04:51:45, skipping insertion in model container [2024-10-18 16:51:45,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 04:51:44" (2/3) ... [2024-10-18 16:51:45,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ea7900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 04:51:45, skipping insertion in model container [2024-10-18 16:51:45,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 04:51:45" (3/3) ... [2024-10-18 16:51:45,280 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-flipped-dist.wvr.c [2024-10-18 16:51:45,297 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 16:51:45,297 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 16:51:45,298 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 16:51:45,355 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-18 16:51:45,406 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 16:51:45,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 16:51:45,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 16:51:45,409 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 16:51:45,411 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 16:51:45,507 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 16:51:45,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 16:51:45,528 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 16:51:45,534 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;@66e67e32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=LOOP, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 16:51:45,534 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 16:51:46,153 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 16:51:46,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 16:51:46,154 INFO L85 PathProgramCache]: Analyzing trace with hash 750093435, now seen corresponding path program 1 times [2024-10-18 16:51:46,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 16:51:46,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197174781] [2024-10-18 16:51:46,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 16:51:46,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 16:51:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 16:51:46,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 16:51:46,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 16:51:46,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197174781] [2024-10-18 16:51:46,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197174781] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 16:51:46,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 16:51:46,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 16:51:46,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069966506] [2024-10-18 16:51:46,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 16:51:46,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 16:51:46,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 16:51:46,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 16:51:46,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-18 16:51:46,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:51:46,700 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 16:51:46,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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 16:51:46,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:51:46,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 16:51:46,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 16:51:46,886 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 16:51:46,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 16:51:46,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1227356564, now seen corresponding path program 1 times [2024-10-18 16:51:46,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 16:51:46,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451829232] [2024-10-18 16:51:46,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 16:51:46,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 16:51:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 16:51:47,249 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 16:51:47,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 16:51:47,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451829232] [2024-10-18 16:51:47,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451829232] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 16:51:47,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484092516] [2024-10-18 16:51:47,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 16:51:47,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:51:47,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 16:51:47,271 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 16:51:47,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-18 16:51:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 16:51:47,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-18 16:51:47,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 16:51:47,528 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 16:51:47,528 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 16:51:47,769 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 16:51:47,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484092516] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 16:51:47,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 16:51:47,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 9] total 20 [2024-10-18 16:51:47,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076883841] [2024-10-18 16:51:47,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 16:51:47,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-18 16:51:47,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 16:51:47,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-18 16:51:47,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2024-10-18 16:51:47,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:51:47,786 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 16:51:47,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.8) internal successors, (56), 20 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 16:51:47,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 16:51:47,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:52:06,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 16:52:06,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 16:52:06,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-18 16:52:06,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-18 16:52:06,204 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 16:52:06,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 16:52:06,205 INFO L85 PathProgramCache]: Analyzing trace with hash 557107666, now seen corresponding path program 2 times [2024-10-18 16:52:06,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 16:52:06,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491490406] [2024-10-18 16:52:06,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 16:52:06,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 16:52:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 16:52:06,940 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 11 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 16:52:06,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 16:52:06,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491490406] [2024-10-18 16:52:06,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491490406] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 16:52:06,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016101834] [2024-10-18 16:52:06,943 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 16:52:06,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:52:06,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 16:52:06,945 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 16:52:06,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-18 16:52:07,033 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 16:52:07,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 16:52:07,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-18 16:52:07,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 16:52:07,376 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 11 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 16:52:07,377 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 16:52:08,046 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 11 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 16:52:08,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016101834] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 16:52:08,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 16:52:08,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2024-10-18 16:52:08,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524355009] [2024-10-18 16:52:08,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 16:52:08,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-10-18 16:52:08,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 16:52:08,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-10-18 16:52:08,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=1145, Unknown=0, NotChecked=0, Total=1332 [2024-10-18 16:52:08,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:52:08,076 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 16:52:08,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.027027027027027) internal successors, (75), 37 states have internal predecessors, (75), 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 16:52:08,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 16:52:08,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-18 16:52:08,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:52:18,692 WARN L286 SmtUtils]: Spent 10.08s on a formula simplification. DAG size of input: 61 DAG size of output: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 16:52:24,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 16:52:24,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 16:52:24,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-18 16:52:24,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-18 16:52:24,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:52:24,530 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 16:52:24,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 16:52:24,531 INFO L85 PathProgramCache]: Analyzing trace with hash 439965385, now seen corresponding path program 3 times [2024-10-18 16:52:24,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 16:52:24,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945584525] [2024-10-18 16:52:24,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 16:52:24,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 16:52:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 16:52:25,429 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-18 16:52:25,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 16:52:25,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945584525] [2024-10-18 16:52:25,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945584525] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 16:52:25,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749360040] [2024-10-18 16:52:25,430 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 16:52:25,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:52:25,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 16:52:25,433 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 16:52:25,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-18 16:52:25,567 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-10-18 16:52:25,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 16:52:25,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-10-18 16:52:25,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 16:52:26,767 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 16:52:26,768 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 16:52:29,335 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-10-18 16:52:29,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749360040] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 16:52:29,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 16:52:29,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 29, 4] total 39 [2024-10-18 16:52:29,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534463237] [2024-10-18 16:52:29,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 16:52:29,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-10-18 16:52:29,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 16:52:29,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-10-18 16:52:29,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1401, Unknown=0, NotChecked=0, Total=1560 [2024-10-18 16:52:29,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:52:29,374 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 16:52:29,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 2.225) internal successors, (89), 39 states have internal predecessors, (89), 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 16:52:29,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 16:52:29,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-18 16:52:29,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-18 16:52:29,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:52:32,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 16:52:32,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 16:52:32,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-18 16:52:32,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-18 16:52:32,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-18 16:52:32,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:52:32,440 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 16:52:32,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 16:52:32,441 INFO L85 PathProgramCache]: Analyzing trace with hash 367273052, now seen corresponding path program 4 times [2024-10-18 16:52:32,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 16:52:32,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166596675] [2024-10-18 16:52:32,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 16:52:32,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 16:52:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 16:52:33,611 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 11 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 16:52:33,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 16:52:33,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166596675] [2024-10-18 16:52:33,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166596675] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 16:52:33,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084506161] [2024-10-18 16:52:33,614 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 16:52:33,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:52:33,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 16:52:33,617 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 16:52:33,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-18 16:52:33,705 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 16:52:33,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 16:52:33,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-10-18 16:52:33,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 16:52:34,433 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 11 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 16:52:34,436 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 16:52:35,854 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 11 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 16:52:35,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084506161] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 16:52:35,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 16:52:35,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 67 [2024-10-18 16:52:35,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778431861] [2024-10-18 16:52:35,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 16:52:35,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-10-18 16:52:35,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 16:52:35,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-10-18 16:52:35,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=502, Invalid=3920, Unknown=0, NotChecked=0, Total=4422 [2024-10-18 16:52:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:52:35,890 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 16:52:35,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 1.8059701492537314) internal successors, (121), 67 states have internal predecessors, (121), 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 16:52:35,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 16:52:35,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-18 16:52:35,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-18 16:52:35,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-18 16:52:35,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:52:59,189 WARN L286 SmtUtils]: Spent 21.81s on a formula simplification. DAG size of input: 111 DAG size of output: 109 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 16:53:24,254 WARN L286 SmtUtils]: Spent 21.42s on a formula simplification. DAG size of input: 116 DAG size of output: 103 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 16:53:29,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 16:53:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-18 16:53:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-18 16:53:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-18 16:53:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-10-18 16:53:29,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-18 16:53:29,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:53:29,580 INFO L396 AbstractCegarLoop]: === Iteration 6 === 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 16:53:29,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 16:53:29,580 INFO L85 PathProgramCache]: Analyzing trace with hash -2087848615, now seen corresponding path program 5 times [2024-10-18 16:53:29,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 16:53:29,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818614816] [2024-10-18 16:53:29,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 16:53:29,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 16:53:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 16:53:31,802 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 61 proven. 590 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 16:53:31,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 16:53:31,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818614816] [2024-10-18 16:53:31,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818614816] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 16:53:31,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420157581] [2024-10-18 16:53:31,804 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 16:53:31,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 16:53:31,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 16:53:31,805 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 16:53:31,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-18 16:53:36,594 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2024-10-18 16:53:36,595 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 16:53:36,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-10-18 16:53:36,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 16:53:39,018 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 80 proven. 570 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 16:53:39,018 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 16:53:43,994 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 80 proven. 570 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 16:53:43,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420157581] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 16:53:43,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 16:53:43,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 43, 43] total 126 [2024-10-18 16:53:43,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448287762] [2024-10-18 16:53:43,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 16:53:43,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2024-10-18 16:53:43,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 16:53:44,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2024-10-18 16:53:44,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1454, Invalid=14296, Unknown=0, NotChecked=0, Total=15750 [2024-10-18 16:53:44,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:53:44,081 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 16:53:44,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 126 states have (on average 1.6904761904761905) internal successors, (213), 126 states have internal predecessors, (213), 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 16:53:44,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 16:53:44,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-18 16:53:44,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-18 16:53:44,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-18 16:53:44,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-10-18 16:53:44,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 16:53:59,619 WARN L286 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 168 DAG size of output: 23 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 16:54:14,744 WARN L286 SmtUtils]: Spent 9.78s on a formula simplification. DAG size of input: 168 DAG size of output: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 16:54:30,193 WARN L286 SmtUtils]: Spent 10.20s on a formula simplification. DAG size of input: 168 DAG size of output: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 16:54:45,040 WARN L286 SmtUtils]: Spent 9.47s on a formula simplification. DAG size of input: 168 DAG size of output: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 16:54:56,424 WARN L286 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 168 DAG size of output: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 16:55:07,940 WARN L286 SmtUtils]: Spent 6.04s on a formula simplification. DAG size of input: 168 DAG size of output: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 16:55:23,133 WARN L286 SmtUtils]: Spent 9.68s on a formula simplification. DAG size of input: 168 DAG size of output: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 16:55:33,940 WARN L286 SmtUtils]: Spent 5.48s on a formula simplification. DAG size of input: 168 DAG size of output: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 16:56:05,920 WARN L286 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 168 DAG size of output: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 16:56:17,186 WARN L286 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 168 DAG size of output: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 16:56:33,406 WARN L286 SmtUtils]: Spent 10.33s on a formula simplification. DAG size of input: 168 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 16:56:49,248 WARN L286 SmtUtils]: Spent 9.84s on a formula simplification. DAG size of input: 168 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 16:57:04,076 WARN L286 SmtUtils]: Spent 8.88s on a formula simplification. DAG size of input: 168 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 16:57:15,482 WARN L286 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 168 DAG size of output: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 16:57:30,402 WARN L286 SmtUtils]: Spent 9.17s on a formula simplification. DAG size of input: 168 DAG size of output: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 16:57:46,226 WARN L286 SmtUtils]: Spent 10.08s on a formula simplification. DAG size of input: 168 DAG size of output: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 16:59:30,799 WARN L286 SmtUtils]: Spent 55.87s on a formula simplification. DAG size of input: 142 DAG size of output: 122 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 16:59:33,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 16:59:35,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 16:59:37,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 16:59:39,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 16:59:41,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 16:59:43,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 16:59:45,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 16:59:47,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 16:59:49,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 16:59:50,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 16:59:52,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 16:59:54,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 16:59:56,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 16:59:58,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 17:00:00,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 17:00:02,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 17:01:25,881 WARN L286 SmtUtils]: Spent 42.04s on a formula simplification. DAG size of input: 146 DAG size of output: 127 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 17:01:29,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 17:01:32,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 17:01:38,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 17:01:45,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 17:01:46,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 17:01:48,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 17:01:50,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 17:01:52,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 17:01:57,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 17:01:59,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 17:02:50,506 WARN L286 SmtUtils]: Spent 14.72s on a formula simplification. DAG size of input: 134 DAG size of output: 115 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 17:02:52,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 17:02:59,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 17:03:46,130 WARN L286 SmtUtils]: Spent 17.67s on a formula simplification. DAG size of input: 134 DAG size of output: 116 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 17:03:49,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 17:03:50,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 17:03:53,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 17:04:26,725 WARN L286 SmtUtils]: Spent 12.50s on a formula simplification. DAG size of input: 127 DAG size of output: 109 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 17:05:07,936 WARN L286 SmtUtils]: Spent 17.26s on a formula simplification. DAG size of input: 127 DAG size of output: 110 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 17:05:09,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 17:05:12,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 17:05:14,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-18 17:05:37,231 WARN L286 SmtUtils]: Spent 9.35s on a formula simplification. DAG size of input: 120 DAG size of output: 103 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-18 17:05:39,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Killed by 15