./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-three-array-sum.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee 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/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-three-array-sum.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-13 17:42:54,633 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 17:42:54,691 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-13 17:42:54,696 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 17:42:54,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 17:42:54,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 17:42:54,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 17:42:54,722 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 17:42:54,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 17:42:54,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 17:42:54,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 17:42:54,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 17:42:54,724 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 17:42:54,725 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 17:42:54,725 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 17:42:54,726 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 17:42:54,726 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-13 17:42:54,726 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 17:42:54,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 17:42:54,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 17:42:54,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 17:42:54,728 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 17:42:54,728 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 17:42:54,729 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 17:42:54,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 17:42:54,729 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 17:42:54,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 17:42:54,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 17:42:54,730 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 17:42:54,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 17:42:54,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 17:42:54,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 17:42:54,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 17:42:54,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 17:42:54,732 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-13 17:42:54,733 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 17:42:54,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-13 17:42:54,733 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 17:42:54,734 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 17:42:54,734 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 17:42:54,734 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 17:42:54,735 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 17:42:54,735 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-13 17:42:55,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 17:42:55,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 17:42:55,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 17:42:55,083 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 17:42:55,083 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 17:42:55,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2024-08-13 17:42:56,501 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 17:42:56,701 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 17:42:56,701 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2024-08-13 17:42:56,709 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c0d0762d2/1ffb511f1e6c4b20b6ecc2b68e4b39b3/FLAG20c1ad4ac [2024-08-13 17:42:57,078 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c0d0762d2/1ffb511f1e6c4b20b6ecc2b68e4b39b3 [2024-08-13 17:42:57,080 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 17:42:57,081 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 17:42:57,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-three-array-sum.wvr.yml/witness.yml [2024-08-13 17:42:57,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 17:42:57,194 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 17:42:57,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 17:42:57,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 17:42:57,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 17:42:57,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 05:42:57" (1/2) ... [2024-08-13 17:42:57,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43344301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:42:57, skipping insertion in model container [2024-08-13 17:42:57,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 05:42:57" (1/2) ... [2024-08-13 17:42:57,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b0c4273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:42:57, skipping insertion in model container [2024-08-13 17:42:57,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 05:42:57" (2/2) ... [2024-08-13 17:42:57,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43344301 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:42:57, skipping insertion in model container [2024-08-13 17:42:57,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 05:42:57" (2/2) ... [2024-08-13 17:42:57,204 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-13 17:42:57,226 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-13 17:42:57,227 INFO L97 edCorrectnessWitness]: Location invariant before [L95-L95] ((! multithreaded || ((1073741823LL + (long long )N) - (long long )p >= 0LL && (2147483646LL - (long long )N) - (long long )p >= 0LL)) && (! multithreaded || 0 <= p)) && (! multithreaded || 0 <= p) [2024-08-13 17:42:57,228 INFO L97 edCorrectnessWitness]: Location invariant before [L96-L96] ((! multithreaded || ((1073741823LL + (long long )N) - (long long )p >= 0LL && (2147483646LL - (long long )N) - (long long )p >= 0LL)) && (! multithreaded || 0 <= p)) && (! multithreaded || 0 <= p) [2024-08-13 17:42:57,229 INFO L97 edCorrectnessWitness]: Location invariant before [L97-L97] ((! multithreaded || ((1073741823LL + (long long )N) - (long long )p >= 0LL && (2147483646LL - (long long )N) - (long long )p >= 0LL)) && (! multithreaded || 0 <= p)) && (! multithreaded || 0 <= p) [2024-08-13 17:42:57,230 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-13 17:42:57,230 INFO L106 edCorrectnessWitness]: ghost_update [L94-L94] multithreaded = 1; [2024-08-13 17:42:57,257 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 17:42:57,474 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-three-array-sum.wvr.c[2730,2743] [2024-08-13 17:42:57,490 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 17:42:57,502 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-13 17:42:57,577 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-three-array-sum.wvr.c[2730,2743] [2024-08-13 17:42:57,580 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 17:42:57,597 INFO L206 MainTranslator]: Completed translation [2024-08-13 17:42:57,598 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:42:57 WrapperNode [2024-08-13 17:42:57,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 17:42:57,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-13 17:42:57,600 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-13 17:42:57,600 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-13 17:42:57,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:42:57" (1/1) ... [2024-08-13 17:42:57,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:42:57" (1/1) ... [2024-08-13 17:42:57,642 INFO L138 Inliner]: procedures = 25, calls = 29, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 144 [2024-08-13 17:42:57,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-13 17:42:57,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-13 17:42:57,644 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-13 17:42:57,644 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-13 17:42:57,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:42:57" (1/1) ... [2024-08-13 17:42:57,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:42:57" (1/1) ... [2024-08-13 17:42:57,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:42:57" (1/1) ... [2024-08-13 17:42:57,656 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:42:57" (1/1) ... [2024-08-13 17:42:57,665 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:42:57" (1/1) ... [2024-08-13 17:42:57,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:42:57" (1/1) ... [2024-08-13 17:42:57,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:42:57" (1/1) ... [2024-08-13 17:42:57,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:42:57" (1/1) ... [2024-08-13 17:42:57,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-13 17:42:57,676 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-13 17:42:57,676 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-13 17:42:57,677 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-13 17:42:57,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:42:57" (1/1) ... [2024-08-13 17:42:57,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 17:42:57,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:42:57,706 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) [2024-08-13 17:42:57,708 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 [2024-08-13 17:42:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-13 17:42:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-13 17:42:57,753 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-13 17:42:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-13 17:42:57,753 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-13 17:42:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-13 17:42:57,753 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-13 17:42:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-13 17:42:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-13 17:42:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-13 17:42:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-13 17:42:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-13 17:42:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-13 17:42:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-13 17:42:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-13 17:42:57,757 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-13 17:42:57,887 INFO L244 CfgBuilder]: Building ICFG [2024-08-13 17:42:57,888 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-13 17:42:58,205 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-13 17:42:58,205 INFO L293 CfgBuilder]: Performing block encoding [2024-08-13 17:42:58,462 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-13 17:42:58,463 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-08-13 17:42:58,464 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 05:42:58 BoogieIcfgContainer [2024-08-13 17:42:58,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-13 17:42:58,467 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-13 17:42:58,468 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-13 17:42:58,471 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-13 17:42:58,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 05:42:57" (1/4) ... [2024-08-13 17:42:58,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246aa6b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 05:42:58, skipping insertion in model container [2024-08-13 17:42:58,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 05:42:57" (2/4) ... [2024-08-13 17:42:58,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246aa6b5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.08 05:42:58, skipping insertion in model container [2024-08-13 17:42:58,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:42:57" (3/4) ... [2024-08-13 17:42:58,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246aa6b5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.08 05:42:58, skipping insertion in model container [2024-08-13 17:42:58,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 05:42:58" (4/4) ... [2024-08-13 17:42:58,477 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-sum.wvr.c [2024-08-13 17:42:58,496 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-13 17:42:58,497 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-08-13 17:42:58,497 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-13 17:42:58,557 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-08-13 17:42:58,601 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 17:42:58,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-13 17:42:58,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:42:58,604 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) [2024-08-13 17:42:58,606 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 [2024-08-13 17:42:58,637 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-13 17:42:58,653 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-13 17:42:58,661 INFO L357 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, mHoare=false, 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;@3cb35908, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 17:42:58,661 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-08-13 17:42:58,760 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 17:42:58,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:42:58,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1013222647, now seen corresponding path program 1 times [2024-08-13 17:42:58,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:42:58,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902917656] [2024-08-13 17:42:58,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:42:58,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:42:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:42:59,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 17:42:59,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:42:59,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902917656] [2024-08-13 17:42:59,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902917656] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 17:42:59,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 17:42:59,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-13 17:42:59,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092915789] [2024-08-13 17:42:59,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 17:42:59,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-13 17:42:59,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 17:42:59,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-13 17:42:59,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-13 17:42:59,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:42:59,340 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:42:59,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-08-13 17:42:59,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:42:59,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:42:59,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-13 17:42:59,415 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 17:42:59,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:42:59,416 INFO L85 PathProgramCache]: Analyzing trace with hash 946479610, now seen corresponding path program 1 times [2024-08-13 17:42:59,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:42:59,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013090486] [2024-08-13 17:42:59,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:42:59,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:42:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:42:59,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 17:42:59,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:42:59,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013090486] [2024-08-13 17:42:59,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013090486] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 17:42:59,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188175095] [2024-08-13 17:42:59,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:42:59,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:42:59,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:42:59,618 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) [2024-08-13 17:42:59,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-13 17:42:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:42:59,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-13 17:42:59,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:42:59,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 17:42:59,807 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 17:42:59,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 17:42:59,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188175095] provided 1 perfect and 1 imperfect interpolant sequences [2024-08-13 17:42:59,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-08-13 17:42:59,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 9 [2024-08-13 17:42:59,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831885912] [2024-08-13 17:42:59,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 17:42:59,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-13 17:42:59,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 17:42:59,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-13 17:42:59,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-08-13 17:42:59,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:42:59,859 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:42:59,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-08-13 17:42:59,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:42:59,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:42:59,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:42:59,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:42:59,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-13 17:43:00,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-08-13 17:43:00,122 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 17:43:00,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:43:00,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1544065508, now seen corresponding path program 1 times [2024-08-13 17:43:00,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:43:00,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928473218] [2024-08-13 17:43:00,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:43:00,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:43:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:43:00,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-13 17:43:00,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:43:00,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928473218] [2024-08-13 17:43:00,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928473218] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 17:43:00,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345672343] [2024-08-13 17:43:00,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:43:00,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:43:00,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:43:00,285 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) [2024-08-13 17:43:00,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-13 17:43:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:43:00,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-13 17:43:00,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:43:00,510 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-13 17:43:00,510 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 17:43:00,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-13 17:43:00,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345672343] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 17:43:00,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 17:43:00,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-08-13 17:43:00,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120164861] [2024-08-13 17:43:00,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 17:43:00,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-13 17:43:00,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 17:43:00,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-13 17:43:00,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-08-13 17:43:00,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:43:00,671 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:43:00,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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) [2024-08-13 17:43:00,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:43:00,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:43:00,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:43:01,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:43:01,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:43:01,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 17:43:01,100 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-08-13 17:43:01,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:43:01,284 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 17:43:01,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:43:01,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1854545286, now seen corresponding path program 1 times [2024-08-13 17:43:01,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:43:01,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320092545] [2024-08-13 17:43:01,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:43:01,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:43:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:43:01,573 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-08-13 17:43:01,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:43:01,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320092545] [2024-08-13 17:43:01,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320092545] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 17:43:01,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624616621] [2024-08-13 17:43:01,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:43:01,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:43:01,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:43:01,576 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) [2024-08-13 17:43:01,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-13 17:43:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:43:01,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-13 17:43:01,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:43:01,777 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-08-13 17:43:01,777 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 17:43:01,857 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-08-13 17:43:01,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624616621] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 17:43:01,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 17:43:01,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15 [2024-08-13 17:43:01,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784041352] [2024-08-13 17:43:01,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 17:43:01,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-08-13 17:43:01,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 17:43:01,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-08-13 17:43:01,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-08-13 17:43:01,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:43:01,860 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:43:01,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.1875) internal successors, (51), 15 states have internal predecessors, (51), 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) [2024-08-13 17:43:01,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:43:01,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:43:01,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 17:43:01,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:43:02,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:43:02,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:43:02,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 17:43:02,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:43:02,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-08-13 17:43:02,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:43:02,350 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 17:43:02,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:43:02,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1111428208, now seen corresponding path program 2 times [2024-08-13 17:43:02,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:43:02,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635920981] [2024-08-13 17:43:02,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:43:02,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:43:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:43:02,618 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-08-13 17:43:02,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:43:02,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635920981] [2024-08-13 17:43:02,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635920981] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 17:43:02,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526527254] [2024-08-13 17:43:02,619 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-13 17:43:02,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:43:02,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:43:02,621 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) [2024-08-13 17:43:02,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-13 17:43:02,730 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-13 17:43:02,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 17:43:02,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-13 17:43:02,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:43:02,901 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-08-13 17:43:02,902 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 17:43:03,046 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-08-13 17:43:03,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526527254] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 17:43:03,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 17:43:03,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2024-08-13 17:43:03,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726692117] [2024-08-13 17:43:03,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 17:43:03,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-08-13 17:43:03,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 17:43:03,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-08-13 17:43:03,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2024-08-13 17:43:03,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:43:03,049 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:43:03,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 5.523809523809524) internal successors, (116), 20 states have internal predecessors, (116), 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) [2024-08-13 17:43:03,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:43:03,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:43:03,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 17:43:03,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:43:03,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:43:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:43:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:43:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 17:43:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:43:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:43:03,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-08-13 17:43:03,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:43:03,512 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 17:43:03,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:43:03,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1336177309, now seen corresponding path program 3 times [2024-08-13 17:43:03,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:43:03,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828379456] [2024-08-13 17:43:03,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:43:03,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:43:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:43:03,834 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 23 proven. 15 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-08-13 17:43:03,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:43:03,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828379456] [2024-08-13 17:43:03,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828379456] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 17:43:03,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888900243] [2024-08-13 17:43:03,835 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-13 17:43:03,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:43:03,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:43:03,839 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) [2024-08-13 17:43:03,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-08-13 17:43:03,968 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-08-13 17:43:03,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 17:43:03,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-13 17:43:03,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:43:04,141 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-08-13 17:43:04,141 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 17:43:04,283 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 28 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-08-13 17:43:04,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888900243] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 17:43:04,283 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 17:43:04,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 19 [2024-08-13 17:43:04,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209194887] [2024-08-13 17:43:04,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 17:43:04,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-08-13 17:43:04,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 17:43:04,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-08-13 17:43:04,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2024-08-13 17:43:04,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:43:04,285 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:43:04,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.4) internal successors, (108), 19 states have internal predecessors, (108), 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) [2024-08-13 17:43:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:43:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:43:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 17:43:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:43:04,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:43:04,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:43:04,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:43:04,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:43:04,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 17:43:04,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:43:04,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:43:04,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 17:43:04,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-08-13 17:43:04,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:43:04,800 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 17:43:04,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:43:04,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1137525697, now seen corresponding path program 4 times [2024-08-13 17:43:04,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:43:04,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866356335] [2024-08-13 17:43:04,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:43:04,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:43:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:43:05,121 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 39 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-08-13 17:43:05,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:43:05,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866356335] [2024-08-13 17:43:05,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866356335] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 17:43:05,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040432729] [2024-08-13 17:43:05,122 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-13 17:43:05,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:43:05,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:43:05,124 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 17:43:05,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-08-13 17:43:05,239 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-13 17:43:05,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 17:43:05,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-13 17:43:05,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:43:05,474 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 13 proven. 36 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-08-13 17:43:05,475 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 17:43:05,568 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-08-13 17:43:05,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040432729] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 17:43:05,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 17:43:05,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 6] total 22 [2024-08-13 17:43:05,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499332493] [2024-08-13 17:43:05,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 17:43:05,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-08-13 17:43:05,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 17:43:05,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-08-13 17:43:05,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=388, Unknown=0, NotChecked=0, Total=462 [2024-08-13 17:43:05,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:43:05,571 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:43:05,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.090909090909091) internal successors, (134), 22 states have internal predecessors, (134), 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) [2024-08-13 17:43:05,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:43:05,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:43:05,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 17:43:05,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:43:05,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:43:05,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-13 17:43:05,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:43:06,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 17:43:06,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:43:06,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 17:43:06,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:43:06,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 17:43:06,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-13 17:43:06,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-13 17:43:06,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-08-13 17:43:06,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-08-13 17:43:06,277 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 17:43:06,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:43:06,277 INFO L85 PathProgramCache]: Analyzing trace with hash -134718387, now seen corresponding path program 5 times [2024-08-13 17:43:06,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 17:43:06,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981981202] [2024-08-13 17:43:06,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:43:06,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 17:43:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:43:13,570 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-08-13 17:43:13,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 17:43:13,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981981202] [2024-08-13 17:43:13,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981981202] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 17:43:13,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50630913] [2024-08-13 17:43:13,571 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-13 17:43:13,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:43:13,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:43:13,573 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 17:43:13,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-08-13 17:43:14,554 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-08-13 17:43:14,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 17:43:14,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 95 conjunts are in the unsatisfiable core [2024-08-13 17:43:14,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:43:15,677 INFO L349 Elim1Store]: treesize reduction 36, result has 52.0 percent of original size [2024-08-13 17:43:15,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 54 [2024-08-13 17:43:16,820 INFO L349 Elim1Store]: treesize reduction 132, result has 35.6 percent of original size [2024-08-13 17:43:16,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 121 treesize of output 144 [2024-08-13 17:43:19,656 INFO L349 Elim1Store]: treesize reduction 370, result has 27.6 percent of original size [2024-08-13 17:43:19,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 53 case distinctions, treesize of input 308 treesize of output 314 [2024-08-13 17:43:27,071 INFO L349 Elim1Store]: treesize reduction 734, result has 22.9 percent of original size [2024-08-13 17:43:27,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 15 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 133 case distinctions, treesize of input 792 treesize of output 602 [2024-08-13 17:46:57,878 WARN L293 SmtUtils]: Spent 3.33m on a formula simplification. DAG size of input: 3447 DAG size of output: 2743 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-08-13 17:46:57,880 INFO L349 Elim1Store]: treesize reduction 4488, result has 65.1 percent of original size [2024-08-13 17:46:57,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 99 select indices, 99 select index equivalence classes, 21 disjoint index pairs (out of 4851 index pairs), introduced 99 new quantified variables, introduced 4851 case distinctions, treesize of input 2471 treesize of output 9397 [2024-08-13 17:51:48,314 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-08-13 17:51:48,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2024-08-13 17:51:48,316 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-08-13 17:51:48,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-08-13 17:51:48,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 17:51:48,517 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:287) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:519) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:503) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:609) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:298) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:416) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 68 more [2024-08-13 17:51:48,523 INFO L158 Benchmark]: Toolchain (without parser) took 531328.74ms. Allocated memory was 169.9MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 128.2MB in the beginning and 1.0GB in the end (delta: -896.1MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-08-13 17:51:48,523 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 17:51:48,523 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 169.9MB. Free memory is still 132.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 17:51:48,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.30ms. Allocated memory is still 169.9MB. Free memory was 128.2MB in the beginning and 113.3MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-08-13 17:51:48,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.68ms. Allocated memory is still 169.9MB. Free memory was 113.3MB in the beginning and 111.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-13 17:51:48,524 INFO L158 Benchmark]: Boogie Preprocessor took 31.97ms. Allocated memory is still 169.9MB. Free memory was 111.3MB in the beginning and 109.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-13 17:51:48,524 INFO L158 Benchmark]: RCFGBuilder took 788.03ms. Allocated memory is still 169.9MB. Free memory was 109.4MB in the beginning and 85.5MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-08-13 17:51:48,525 INFO L158 Benchmark]: TraceAbstraction took 530055.44ms. Allocated memory was 169.9MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 84.6MB in the beginning and 1.0GB in the end (delta: -939.8MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-08-13 17:51:48,526 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 169.9MB. Free memory is still 132.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.30ms. Allocated memory is still 169.9MB. Free memory was 128.2MB in the beginning and 113.3MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.68ms. Allocated memory is still 169.9MB. Free memory was 113.3MB in the beginning and 111.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.97ms. Allocated memory is still 169.9MB. Free memory was 111.3MB in the beginning and 109.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 788.03ms. Allocated memory is still 169.9MB. Free memory was 109.4MB in the beginning and 85.5MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 530055.44ms. Allocated memory was 169.9MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 84.6MB in the beginning and 1.0GB in the end (delta: -939.8MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-08-13 17:51:48,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-three-array-sum.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-13 17:51:50,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 17:51:50,976 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-13 17:51:50,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 17:51:50,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 17:51:51,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 17:51:51,013 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 17:51:51,014 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 17:51:51,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 17:51:51,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 17:51:51,017 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 17:51:51,017 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 17:51:51,018 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 17:51:51,018 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 17:51:51,018 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 17:51:51,019 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 17:51:51,019 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 17:51:51,019 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 17:51:51,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 17:51:51,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 17:51:51,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 17:51:51,023 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-13 17:51:51,024 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 17:51:51,024 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-13 17:51:51,024 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 17:51:51,024 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 17:51:51,024 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 17:51:51,025 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 17:51:51,025 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 17:51:51,025 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 17:51:51,025 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 17:51:51,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 17:51:51,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 17:51:51,026 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 17:51:51,026 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 17:51:51,026 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-13 17:51:51,027 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 17:51:51,027 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-13 17:51:51,031 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 17:51:51,031 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 17:51:51,031 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 17:51:51,031 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 17:51:51,032 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 17:51:51,032 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-13 17:51:51,032 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-13 17:51:51,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 17:51:51,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 17:51:51,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 17:51:51,355 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 17:51:51,355 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 17:51:51,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2024-08-13 17:51:52,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 17:51:53,002 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 17:51:53,004 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2024-08-13 17:51:53,015 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/065e61791/53e7de41dc5649dba72936e0a8dddccc/FLAGa31b63d79 [2024-08-13 17:51:53,035 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/065e61791/53e7de41dc5649dba72936e0a8dddccc [2024-08-13 17:51:53,038 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 17:51:53,039 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 17:51:53,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-three-array-sum.wvr.yml/witness.yml [2024-08-13 17:51:53,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 17:51:53,141 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 17:51:53,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 17:51:53,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 17:51:53,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 17:51:53,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 05:51:53" (1/2) ... [2024-08-13 17:51:53,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607bcf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:51:53, skipping insertion in model container [2024-08-13 17:51:53,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 05:51:53" (1/2) ... [2024-08-13 17:51:53,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68d55944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 05:51:53, skipping insertion in model container [2024-08-13 17:51:53,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 05:51:53" (2/2) ... [2024-08-13 17:51:53,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607bcf8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:51:53, skipping insertion in model container [2024-08-13 17:51:53,152 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 05:51:53" (2/2) ... [2024-08-13 17:51:53,152 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-13 17:51:53,175 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-13 17:51:53,178 INFO L97 edCorrectnessWitness]: Location invariant before [L97-L97] ((! multithreaded || ((1073741823LL + (long long )N) - (long long )p >= 0LL && (2147483646LL - (long long )N) - (long long )p >= 0LL)) && (! multithreaded || 0 <= p)) && (! multithreaded || 0 <= p) [2024-08-13 17:51:53,178 INFO L97 edCorrectnessWitness]: Location invariant before [L95-L95] ((! multithreaded || ((1073741823LL + (long long )N) - (long long )p >= 0LL && (2147483646LL - (long long )N) - (long long )p >= 0LL)) && (! multithreaded || 0 <= p)) && (! multithreaded || 0 <= p) [2024-08-13 17:51:53,178 INFO L97 edCorrectnessWitness]: Location invariant before [L96-L96] ((! multithreaded || ((1073741823LL + (long long )N) - (long long )p >= 0LL && (2147483646LL - (long long )N) - (long long )p >= 0LL)) && (! multithreaded || 0 <= p)) && (! multithreaded || 0 <= p) [2024-08-13 17:51:53,178 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-13 17:51:53,179 INFO L106 edCorrectnessWitness]: ghost_update [L94-L94] multithreaded = 1; [2024-08-13 17:51:53,201 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 17:51:53,389 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-three-array-sum.wvr.c[2730,2743] [2024-08-13 17:51:53,400 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 17:51:53,418 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-13 17:51:53,495 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-three-array-sum.wvr.c[2730,2743] [2024-08-13 17:51:53,499 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 17:51:53,515 INFO L206 MainTranslator]: Completed translation [2024-08-13 17:51:53,518 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:51:53 WrapperNode [2024-08-13 17:51:53,518 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 17:51:53,519 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-13 17:51:53,520 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-13 17:51:53,520 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-13 17:51:53,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:51:53" (1/1) ... [2024-08-13 17:51:53,535 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:51:53" (1/1) ... [2024-08-13 17:51:53,563 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 143 [2024-08-13 17:51:53,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-13 17:51:53,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-13 17:51:53,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-13 17:51:53,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-13 17:51:53,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:51:53" (1/1) ... [2024-08-13 17:51:53,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:51:53" (1/1) ... [2024-08-13 17:51:53,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:51:53" (1/1) ... [2024-08-13 17:51:53,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:51:53" (1/1) ... [2024-08-13 17:51:53,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:51:53" (1/1) ... [2024-08-13 17:51:53,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:51:53" (1/1) ... [2024-08-13 17:51:53,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:51:53" (1/1) ... [2024-08-13 17:51:53,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:51:53" (1/1) ... [2024-08-13 17:51:53,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-13 17:51:53,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-13 17:51:53,598 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-13 17:51:53,598 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-13 17:51:53,599 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:51:53" (1/1) ... [2024-08-13 17:51:53,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 17:51:53,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:51:53,629 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) [2024-08-13 17:51:53,633 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 [2024-08-13 17:51:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-13 17:51:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-08-13 17:51:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-08-13 17:51:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-13 17:51:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-13 17:51:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-13 17:51:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-13 17:51:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-13 17:51:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-13 17:51:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-13 17:51:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-13 17:51:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-13 17:51:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-13 17:51:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-13 17:51:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-08-13 17:51:53,676 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-13 17:51:53,803 INFO L244 CfgBuilder]: Building ICFG [2024-08-13 17:51:53,806 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-13 17:51:54,261 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-13 17:51:54,261 INFO L293 CfgBuilder]: Performing block encoding [2024-08-13 17:51:54,498 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-13 17:51:54,499 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-08-13 17:51:54,500 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 05:51:54 BoogieIcfgContainer [2024-08-13 17:51:54,500 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-13 17:51:54,502 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-13 17:51:54,502 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-13 17:51:54,505 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-13 17:51:54,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 05:51:53" (1/4) ... [2024-08-13 17:51:54,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79559913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 05:51:54, skipping insertion in model container [2024-08-13 17:51:54,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 05:51:53" (2/4) ... [2024-08-13 17:51:54,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79559913 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.08 05:51:54, skipping insertion in model container [2024-08-13 17:51:54,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 05:51:53" (3/4) ... [2024-08-13 17:51:54,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79559913 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.08 05:51:54, skipping insertion in model container [2024-08-13 17:51:54,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 05:51:54" (4/4) ... [2024-08-13 17:51:54,509 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-sum.wvr.c [2024-08-13 17:51:54,526 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-13 17:51:54,526 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-08-13 17:51:54,526 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-13 17:51:54,571 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-08-13 17:51:54,626 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 17:51:54,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-13 17:51:54,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 17:51:54,628 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) [2024-08-13 17:51:54,649 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 [2024-08-13 17:51:54,681 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-13 17:51:54,695 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-13 17:51:54,702 INFO L357 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, mHoare=false, 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;@2acf04df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 17:51:54,703 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-08-13 17:51:54,835 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 17:51:54,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:51:54,842 INFO L85 PathProgramCache]: Analyzing trace with hash -691663371, now seen corresponding path program 1 times [2024-08-13 17:51:54,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-13 17:51:54,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [489159918] [2024-08-13 17:51:54,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:51:54,857 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 17:51:54,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-13 17:51:54,860 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-13 17:51:54,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-08-13 17:51:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:51:54,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2024-08-13 17:51:54,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:51:55,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 17:51:55,082 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-13 17:51:55,082 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-13 17:51:55,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [489159918] [2024-08-13 17:51:55,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [489159918] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 17:51:55,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 17:51:55,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-13 17:51:55,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422164220] [2024-08-13 17:51:55,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 17:51:55,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-13 17:51:55,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-13 17:51:55,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-13 17:51:55,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-13 17:51:55,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:51:55,134 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:51:55,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-08-13 17:51:55,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:51:55,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 17:51:55,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-08-13 17:51:55,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 17:51:55,718 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 17:51:55,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:51:55,719 INFO L85 PathProgramCache]: Analyzing trace with hash 268962704, now seen corresponding path program 1 times [2024-08-13 17:51:55,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-13 17:51:55,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852459569] [2024-08-13 17:51:55,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:51:55,720 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 17:51:55,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-13 17:51:55,723 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-13 17:51:55,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-08-13 17:51:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:51:55,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 6 conjunts are in the unsatisfiable core [2024-08-13 17:51:55,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:51:56,081 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-08-13 17:51:56,081 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 17:51:56,224 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-08-13 17:51:56,224 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-13 17:51:56,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [852459569] [2024-08-13 17:51:56,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [852459569] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 17:51:56,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-13 17:51:56,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2024-08-13 17:51:56,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187050868] [2024-08-13 17:51:56,225 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-13 17:51:56,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-08-13 17:51:56,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-13 17:51:56,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-08-13 17:51:56,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-08-13 17:51:56,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:51:56,232 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:51:56,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 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) [2024-08-13 17:51:56,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 17:51:56,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:51:56,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 17:51:56,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:51:56,757 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-08-13 17:51:56,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 17:51:56,953 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 17:51:56,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:51:56,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1967024759, now seen corresponding path program 2 times [2024-08-13 17:51:56,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-13 17:51:56,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286366319] [2024-08-13 17:51:56,955 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-13 17:51:56,955 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 17:51:56,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-13 17:51:56,958 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-13 17:51:56,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-08-13 17:51:57,115 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-13 17:51:57,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 17:51:57,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-13 17:51:57,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:51:57,309 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 41 proven. 20 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-08-13 17:51:57,309 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 17:51:57,519 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 41 proven. 20 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-08-13 17:51:57,519 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-13 17:51:57,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286366319] [2024-08-13 17:51:57,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1286366319] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 17:51:57,520 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-13 17:51:57,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2024-08-13 17:51:57,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815552289] [2024-08-13 17:51:57,520 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-13 17:51:57,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-08-13 17:51:57,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-13 17:51:57,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-08-13 17:51:57,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-08-13 17:51:57,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:51:57,524 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:51:57,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.0) internal successors, (90), 15 states have internal predecessors, (90), 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) [2024-08-13 17:51:57,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 17:51:57,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:51:57,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:51:58,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 17:51:58,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:51:58,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 17:51:58,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-08-13 17:51:59,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 17:51:59,103 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 17:51:59,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:51:59,104 INFO L85 PathProgramCache]: Analyzing trace with hash -2092556300, now seen corresponding path program 3 times [2024-08-13 17:51:59,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-13 17:51:59,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2109885020] [2024-08-13 17:51:59,105 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-13 17:51:59,105 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 17:51:59,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-13 17:51:59,108 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-13 17:51:59,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-08-13 17:51:59,221 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-08-13 17:51:59,221 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 17:51:59,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-13 17:51:59,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:51:59,343 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-08-13 17:51:59,343 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-13 17:51:59,343 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-13 17:51:59,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2109885020] [2024-08-13 17:51:59,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2109885020] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 17:51:59,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 17:51:59,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-13 17:51:59,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634484518] [2024-08-13 17:51:59,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 17:51:59,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-13 17:51:59,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-13 17:51:59,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-13 17:51:59,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-13 17:51:59,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:51:59,346 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:51:59,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 17:51:59,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 17:51:59,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:51:59,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-13 17:51:59,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:51:59,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 17:51:59,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:51:59,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 17:51:59,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:51:59,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-08-13 17:51:59,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 17:51:59,724 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 17:51:59,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:51:59,724 INFO L85 PathProgramCache]: Analyzing trace with hash -59191067, now seen corresponding path program 1 times [2024-08-13 17:51:59,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-13 17:51:59,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [339593469] [2024-08-13 17:51:59,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 17:51:59,725 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 17:51:59,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-13 17:51:59,728 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-13 17:51:59,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-08-13 17:51:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 17:51:59,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 14 conjunts are in the unsatisfiable core [2024-08-13 17:51:59,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:52:00,312 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 92 proven. 125 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-13 17:52:00,312 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 17:52:01,065 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 92 proven. 125 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-13 17:52:01,065 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-13 17:52:01,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [339593469] [2024-08-13 17:52:01,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [339593469] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 17:52:01,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-13 17:52:01,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2024-08-13 17:52:01,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941742576] [2024-08-13 17:52:01,066 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-13 17:52:01,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-08-13 17:52:01,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-13 17:52:01,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-08-13 17:52:01,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=584, Unknown=0, NotChecked=0, Total=702 [2024-08-13 17:52:01,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:52:01,071 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:52:01,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.666666666666667) internal successors, (153), 27 states have internal predecessors, (153), 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) [2024-08-13 17:52:01,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 17:52:01,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:52:01,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-13 17:52:01,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:52:01,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:52:07,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 17:52:07,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:52:07,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 17:52:07,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:52:07,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-08-13 17:52:07,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-08-13 17:52:07,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 17:52:07,373 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 17:52:07,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:52:07,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1048361349, now seen corresponding path program 2 times [2024-08-13 17:52:07,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-13 17:52:07,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1138639771] [2024-08-13 17:52:07,374 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-13 17:52:07,374 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 17:52:07,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-13 17:52:07,376 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-13 17:52:07,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-08-13 17:52:07,707 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-13 17:52:07,708 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 17:52:07,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 26 conjunts are in the unsatisfiable core [2024-08-13 17:52:07,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:52:08,569 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 194 proven. 605 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-13 17:52:08,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 17:52:10,897 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 194 proven. 605 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-13 17:52:10,897 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-13 17:52:10,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1138639771] [2024-08-13 17:52:10,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1138639771] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 17:52:10,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-13 17:52:10,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 51 [2024-08-13 17:52:10,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101800929] [2024-08-13 17:52:10,898 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-13 17:52:10,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-08-13 17:52:10,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-13 17:52:10,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-08-13 17:52:10,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=436, Invalid=2114, Unknown=0, NotChecked=0, Total=2550 [2024-08-13 17:52:10,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:52:10,901 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:52:10,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 5.352941176470588) internal successors, (273), 51 states have internal predecessors, (273), 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) [2024-08-13 17:52:10,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 17:52:10,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:52:10,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-13 17:52:10,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:52:10,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-08-13 17:52:10,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:52:44,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 17:52:44,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:52:44,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 17:52:44,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:52:44,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-08-13 17:52:44,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-08-13 17:52:44,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-08-13 17:52:44,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 17:52:44,454 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 17:52:44,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:52:44,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1704022695, now seen corresponding path program 3 times [2024-08-13 17:52:44,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-13 17:52:44,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [778239010] [2024-08-13 17:52:44,456 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-13 17:52:44,456 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 17:52:44,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-13 17:52:44,459 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-13 17:52:44,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-08-13 17:52:44,661 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-08-13 17:52:44,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 17:52:44,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 17 conjunts are in the unsatisfiable core [2024-08-13 17:52:44,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:52:45,956 INFO L134 CoverageAnalysis]: Checked inductivity of 3053 backedges. 656 proven. 17 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-08-13 17:52:45,956 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 17:52:46,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3053 backedges. 656 proven. 16 refuted. 0 times theorem prover too weak. 2381 trivial. 0 not checked. [2024-08-13 17:52:46,758 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-13 17:52:46,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [778239010] [2024-08-13 17:52:46,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [778239010] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 17:52:46,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-13 17:52:46,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 21 [2024-08-13 17:52:46,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243963560] [2024-08-13 17:52:46,759 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-13 17:52:46,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-08-13 17:52:46,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-13 17:52:46,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-08-13 17:52:46,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2024-08-13 17:52:46,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:52:46,762 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:52:46,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 5.857142857142857) internal successors, (123), 21 states have internal predecessors, (123), 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) [2024-08-13 17:52:46,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 17:52:46,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:52:46,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-13 17:52:46,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:52:46,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-08-13 17:52:46,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-08-13 17:52:46,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:52:49,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 17:52:49,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:52:49,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 17:52:49,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:52:49,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-08-13 17:52:49,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-08-13 17:52:49,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-08-13 17:52:49,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2024-08-13 17:52:49,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 17:52:49,408 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 17:52:49,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:52:49,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1208154296, now seen corresponding path program 4 times [2024-08-13 17:52:49,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-13 17:52:49,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [863070569] [2024-08-13 17:52:49,409 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-13 17:52:49,409 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 17:52:49,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-13 17:52:49,410 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-13 17:52:49,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-08-13 17:52:50,258 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-13 17:52:50,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 17:52:50,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 50 conjunts are in the unsatisfiable core [2024-08-13 17:52:50,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 17:52:52,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3011 backedges. 306 proven. 2691 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-08-13 17:52:52,239 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 17:53:01,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3011 backedges. 306 proven. 2691 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-08-13 17:53:01,449 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-13 17:53:01,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [863070569] [2024-08-13 17:53:01,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [863070569] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 17:53:01,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-13 17:53:01,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51] total 99 [2024-08-13 17:53:01,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540696340] [2024-08-13 17:53:01,450 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-13 17:53:01,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2024-08-13 17:53:01,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-13 17:53:01,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2024-08-13 17:53:01,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1720, Invalid=7982, Unknown=0, NotChecked=0, Total=9702 [2024-08-13 17:53:01,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:53:01,455 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 17:53:01,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 5.181818181818182) internal successors, (513), 99 states have internal predecessors, (513), 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) [2024-08-13 17:53:01,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 17:53:01,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:53:01,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-13 17:53:01,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:53:01,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-08-13 17:53:01,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-08-13 17:53:01,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-08-13 17:53:01,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 17:56:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 17:56:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-13 17:56:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-13 17:56:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 17:56:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-08-13 17:56:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-08-13 17:56:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-08-13 17:56:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2024-08-13 17:56:33,707 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-08-13 17:56:33,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 17:56:33,888 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 17:56:33,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 17:56:33,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1307694832, now seen corresponding path program 5 times [2024-08-13 17:56:33,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-13 17:56:33,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1504411846] [2024-08-13 17:56:33,890 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-13 17:56:33,890 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 17:56:33,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-13 17:56:33,891 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-13 17:56:33,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process Killed by 15