./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --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/weaver/popl20-threaded-sum-3.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 3ff96f1177b851e0082faef897c2fcf87c2462cab57ba2153c754c5e198aaf06 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --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 10:15:59,142 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-19 10:15:59,208 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-19 10:15:59,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-19 10:15:59,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-19 10:15:59,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-19 10:15:59,246 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-19 10:15:59,247 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-19 10:15:59,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-19 10:15:59,248 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-19 10:15:59,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-19 10:15:59,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-19 10:15:59,249 INFO L153 SettingsManager]: * Use SBE=true [2024-10-19 10:15:59,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-19 10:15:59,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-19 10:15:59,252 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-19 10:15:59,252 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-19 10:15:59,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-19 10:15:59,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-19 10:15:59,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-19 10:15:59,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-19 10:15:59,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-19 10:15:59,257 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-19 10:15:59,257 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-19 10:15:59,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-19 10:15:59,258 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-19 10:15:59,258 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-19 10:15:59,258 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-19 10:15:59,259 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-19 10:15:59,259 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-19 10:15:59,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 10:15:59,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-19 10:15:59,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-19 10:15:59,260 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-19 10:15:59,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-19 10:15:59,260 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-19 10:15:59,261 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-19 10:15:59,261 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-19 10:15:59,261 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-19 10:15:59,261 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-19 10:15:59,262 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-19 10:15:59,262 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 -> 3ff96f1177b851e0082faef897c2fcf87c2462cab57ba2153c754c5e198aaf06 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 -> LOOP 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 10:15:59,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-19 10:15:59,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-19 10:15:59,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-19 10:15:59,588 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-19 10:15:59,589 INFO L274 PluginConnector]: CDTParser initialized [2024-10-19 10:15:59,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2024-10-19 10:16:00,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-19 10:16:01,172 INFO L384 CDTParser]: Found 1 translation units. [2024-10-19 10:16:01,173 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2024-10-19 10:16:01,180 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1a5c1dcf7/e8cc9a5a75064376903c586ee7347854/FLAGe41e7f342 [2024-10-19 10:16:01,202 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1a5c1dcf7/e8cc9a5a75064376903c586ee7347854 [2024-10-19 10:16:01,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-19 10:16:01,209 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-19 10:16:01,210 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-19 10:16:01,210 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-19 10:16:01,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-19 10:16:01,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:16:01" (1/1) ... [2024-10-19 10:16:01,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@998ccda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:16:01, skipping insertion in model container [2024-10-19 10:16:01,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:16:01" (1/1) ... [2024-10-19 10:16:01,236 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-19 10:16:01,422 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/popl20-threaded-sum-3.wvr.c[2996,3009] [2024-10-19 10:16:01,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 10:16:01,434 INFO L200 MainTranslator]: Completed pre-run [2024-10-19 10:16:01,453 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/popl20-threaded-sum-3.wvr.c[2996,3009] [2024-10-19 10:16:01,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 10:16:01,469 INFO L204 MainTranslator]: Completed translation [2024-10-19 10:16:01,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:16:01 WrapperNode [2024-10-19 10:16:01,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-19 10:16:01,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-19 10:16:01,470 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-19 10:16:01,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-19 10:16:01,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:16:01" (1/1) ... [2024-10-19 10:16:01,483 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:16:01" (1/1) ... [2024-10-19 10:16:01,501 INFO L138 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-10-19 10:16:01,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-19 10:16:01,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-19 10:16:01,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-19 10:16:01,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-19 10:16:01,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:16:01" (1/1) ... [2024-10-19 10:16:01,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:16:01" (1/1) ... [2024-10-19 10:16:01,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:16:01" (1/1) ... [2024-10-19 10:16:01,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:16:01" (1/1) ... [2024-10-19 10:16:01,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:16:01" (1/1) ... [2024-10-19 10:16:01,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:16:01" (1/1) ... [2024-10-19 10:16:01,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:16:01" (1/1) ... [2024-10-19 10:16:01,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:16:01" (1/1) ... [2024-10-19 10:16:01,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-19 10:16:01,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-19 10:16:01,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-19 10:16:01,554 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-19 10:16:01,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:16:01" (1/1) ... [2024-10-19 10:16:01,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 10:16:01,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 10:16:01,587 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 10:16:01,590 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 10:16:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-19 10:16:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-19 10:16:01,636 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-19 10:16:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-19 10:16:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-19 10:16:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-19 10:16:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-19 10:16:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-19 10:16:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-19 10:16:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-19 10:16:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-19 10:16:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-19 10:16:01,641 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 10:16:01,733 INFO L238 CfgBuilder]: Building ICFG [2024-10-19 10:16:01,735 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-19 10:16:01,970 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-19 10:16:01,970 INFO L287 CfgBuilder]: Performing block encoding [2024-10-19 10:16:02,116 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-19 10:16:02,120 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-19 10:16:02,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:16:02 BoogieIcfgContainer [2024-10-19 10:16:02,121 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-19 10:16:02,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-19 10:16:02,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-19 10:16:02,127 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-19 10:16:02,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:16:01" (1/3) ... [2024-10-19 10:16:02,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c319ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:16:02, skipping insertion in model container [2024-10-19 10:16:02,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:16:01" (2/3) ... [2024-10-19 10:16:02,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c319ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:16:02, skipping insertion in model container [2024-10-19 10:16:02,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:16:02" (3/3) ... [2024-10-19 10:16:02,132 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-threaded-sum-3.wvr.c [2024-10-19 10:16:02,147 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-19 10:16:02,147 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-19 10:16:02,148 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-19 10:16:02,205 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-19 10:16:02,256 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-19 10:16:02,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-19 10:16:02,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 10:16:02,259 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 10:16:02,259 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 10:16:02,336 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-19 10:16:02,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 10:16:02,359 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-19 10:16:02,366 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;@4b454cd4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=LOOP, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-19 10:16:02,367 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-19 10:16:04,381 INFO L85 PathProgramCache]: Analyzing trace with hash 730167851, now seen corresponding path program 1 times [2024-10-19 10:16:04,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:16:04,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:16:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:16:05,098 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-19 10:16:05,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:16:05,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:16:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:16:05,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-19 10:16:05,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1580478944, now seen corresponding path program 1 times [2024-10-19 10:16:05,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:16:05,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:16:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:16:05,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 10:16:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:16:05,891 INFO L85 PathProgramCache]: Analyzing trace with hash 700847289, now seen corresponding path program 1 times [2024-10-19 10:16:05,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:16:05,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:16:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:16:06,084 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-19 10:16:06,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:16:06,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:16:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:16:06,266 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-19 10:16:06,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-19 10:16:06,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-19 10:16:06,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1150609409, now seen corresponding path program 1 times [2024-10-19 10:16:06,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:16:06,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:16:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:16:06,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 10:16:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:16:07,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1309155137, now seen corresponding path program 1 times [2024-10-19 10:16:07,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:16:07,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:16:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:16:07,478 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 10:16:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:16:07,778 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)] === [2024-10-19 10:16:07,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 10:16:07,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1803340436, now seen corresponding path program 1 times [2024-10-19 10:16:07,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 10:16:07,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677570301] [2024-10-19 10:16:07,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:16:07,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:16:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:16:12,899 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:16:12,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 10:16:12,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677570301] [2024-10-19 10:16:12,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677570301] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 10:16:12,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246003633] [2024-10-19 10:16:12,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:16:12,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 10:16:12,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 10:16:12,905 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) [2024-10-19 10:16:12,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-19 10:16:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:16:13,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-19 10:16:13,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 10:16:16,705 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:16:16,706 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 10:16:44,536 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:16:44,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246003633] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 10:16:44,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 10:16:44,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 13] total 34 [2024-10-19 10:16:44,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950084] [2024-10-19 10:16:44,539 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 10:16:44,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-10-19 10:16:44,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 10:16:44,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-10-19 10:16:44,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=942, Unknown=3, NotChecked=0, Total=1190 [2024-10-19 10:16:44,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 10:16:44,549 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 10:16:44,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.9714285714285715) internal successors, (104), 34 states have internal predecessors, (104), 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 10:16:44,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 10:16:50,329 INFO L85 PathProgramCache]: Analyzing trace with hash 532057053, now seen corresponding path program 1 times [2024-10-19 10:16:50,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:16:50,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:16:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:16:50,451 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 10:16:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:16:50,803 INFO L85 PathProgramCache]: Analyzing trace with hash 205655806, now seen corresponding path program 1 times [2024-10-19 10:16:50,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:16:50,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:16:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:16:58,703 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 50 proven. 18 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-19 10:16:58,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:16:58,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:16:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:16:59,896 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 50 proven. 18 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-19 10:17:00,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1481109528, now seen corresponding path program 1 times [2024-10-19 10:17:00,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:17:00,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:17:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:17:01,851 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-19 10:17:01,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:17:01,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:17:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:17:03,312 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-19 10:17:03,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1481109525, now seen corresponding path program 1 times [2024-10-19 10:17:03,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:17:03,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:17:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:17:04,962 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-19 10:17:04,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:17:04,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:17:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:17:06,303 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-19 10:17:06,671 INFO L85 PathProgramCache]: Analyzing trace with hash -413257504, now seen corresponding path program 1 times [2024-10-19 10:17:06,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:17:06,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:17:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:17:06,762 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 10:17:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:17:07,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1278761148, now seen corresponding path program 1 times [2024-10-19 10:17:07,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:17:07,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:17:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:17:15,062 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-19 10:17:15,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:17:15,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:17:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:17:24,645 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 2 proven. 64 refuted. 2 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-19 10:17:24,866 INFO L85 PathProgramCache]: Analyzing trace with hash -528918103, now seen corresponding path program 1 times [2024-10-19 10:17:24,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:17:24,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:17:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:17:35,175 WARN L873 $PredicateComparison]: unable to prove that (or (= c_~t~0 (* (div c_~t~0 4294967296) 4294967296)) (< c_~t~0 (+ (* 4294967296 (div (+ c_~t~0 (- 2)) 4294967296)) 4294967296)) (< c_~t~0 (+ 2 (* (div (+ (- 1) c_~t~0) 4294967296) 4294967296)))) is different from true [2024-10-19 10:18:01,608 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 60 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 9 not checked. [2024-10-19 10:18:01,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:18:01,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:18:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:18:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 60 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 9 not checked. [2024-10-19 10:18:25,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1278761386, now seen corresponding path program 1 times [2024-10-19 10:18:25,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:18:25,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:18:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:18:33,570 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 53 proven. 5 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-19 10:18:33,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:18:33,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:18:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:18:36,135 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 53 proven. 5 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-19 10:18:36,369 INFO L85 PathProgramCache]: Analyzing trace with hash -529154309, now seen corresponding path program 1 times [2024-10-19 10:18:36,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:18:36,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:18:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:18:36,439 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 10:18:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:18:36,661 INFO L85 PathProgramCache]: Analyzing trace with hash -529154306, now seen corresponding path program 1 times [2024-10-19 10:18:36,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:18:36,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:18:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:18:39,479 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 57 proven. 13 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-19 10:18:39,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:18:39,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:18:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:18:41,444 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 57 proven. 13 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-19 10:18:41,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1278760408, now seen corresponding path program 1 times [2024-10-19 10:18:41,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:18:41,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:18:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:18:41,769 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 10:18:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:18:42,313 INFO L85 PathProgramCache]: Analyzing trace with hash 796435262, now seen corresponding path program 1 times [2024-10-19 10:18:42,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:18:42,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:18:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:18:42,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 10:18:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:18:42,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1080314848, now seen corresponding path program 1 times [2024-10-19 10:18:42,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:18:42,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:18:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:18:43,041 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 10:18:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:18:43,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-19 10:18:43,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-19 10:18:43,421 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,SelfDestructingSolverStorable20,SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable10,SelfDestructingSolverStorable21,SelfDestructingSolverStorable11,SelfDestructingSolverStorable22,SelfDestructingSolverStorable12,SelfDestructingSolverStorable23,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable24,SelfDestructingSolverStorable14,SelfDestructingSolverStorable25,SelfDestructingSolverStorable15,SelfDestructingSolverStorable26,SelfDestructingSolverStorable16,SelfDestructingSolverStorable27,SelfDestructingSolverStorable17 [2024-10-19 10:18:43,422 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)] === [2024-10-19 10:18:43,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 10:18:43,422 INFO L85 PathProgramCache]: Analyzing trace with hash -537802660, now seen corresponding path program 2 times [2024-10-19 10:18:43,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 10:18:43,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932181711] [2024-10-19 10:18:43,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:18:43,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:18:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Killed by 15