./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-min-array-hom.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-local/popl20-more-min-array-hom.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-more-min-array-hom.wvr.c ./goblint.2024-08-08_07-59-58.files/mutex-meet-local/popl20-more-min-array-hom.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 [2024-08-14 00:12:27,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 00:12:27,902 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 00:12:27,909 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 00:12:27,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 00:12:27,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 00:12:27,928 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 00:12:27,928 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 00:12:27,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 00:12:27,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 00:12:27,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 00:12:27,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 00:12:27,930 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 00:12:27,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 00:12:27,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 00:12:27,931 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 00:12:27,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 00:12:27,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 00:12:27,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 00:12:27,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 00:12:27,932 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 00:12:27,932 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 00:12:27,933 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 00:12:27,933 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 00:12:27,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 00:12:27,933 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 00:12:27,934 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 00:12:27,934 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 00:12:27,934 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 00:12:27,934 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 00:12:27,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 00:12:27,935 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 00:12:27,935 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 00:12:27,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 00:12:27,935 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 00:12:27,936 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 00:12:27,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 00:12:27,936 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 00:12:27,936 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 00:12:27,936 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 00:12:27,936 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 00:12:27,937 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 00:12:27,937 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-14 00:12:28,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 00:12:28,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 00:12:28,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 00:12:28,191 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 00:12:28,192 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 00:12:28,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-local/popl20-more-min-array-hom.wvr.yml/witness.yml [2024-08-14 00:12:28,333 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 00:12:28,333 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 00:12:28,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-min-array-hom.wvr.c [2024-08-14 00:12:29,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 00:12:29,763 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 00:12:29,763 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array-hom.wvr.c [2024-08-14 00:12:29,774 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0f32fe0d9/d018a2dc9fad4d38bbb82e15ca23731d/FLAG0b5e75ab2 [2024-08-14 00:12:29,788 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0f32fe0d9/d018a2dc9fad4d38bbb82e15ca23731d [2024-08-14 00:12:29,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 00:12:29,791 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 00:12:29,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 00:12:29,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 00:12:29,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 00:12:29,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 12:12:28" (1/2) ... [2024-08-14 00:12:29,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6823909a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:12:29, skipping insertion in model container [2024-08-14 00:12:29,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 12:12:28" (1/2) ... [2024-08-14 00:12:29,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@21188e2e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:12:29, skipping insertion in model container [2024-08-14 00:12:29,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 12:12:29" (2/2) ... [2024-08-14 00:12:29,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6823909a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:12:29, skipping insertion in model container [2024-08-14 00:12:29,801 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 12:12:29" (2/2) ... [2024-08-14 00:12:29,801 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-14 00:12:29,822 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 00:12:29,823 INFO L97 edCorrectnessWitness]: Location invariant before [L48-L50] ((((2147483646LL + (long long )M) + (long long )N >= 0LL) && ((2147483645LL - (long long )M) + (long long )N >= 0LL)) && ((3221225470LL + (long long )M) - (long long )N >= 0LL)) && ((3221225469LL - (long long )M) - (long long )N >= 0LL) [2024-08-14 00:12:29,823 INFO L97 edCorrectnessWitness]: Location invariant before [L60-L62] ((((2147483646LL + (long long )M) + (long long )N >= 0LL) && ((2147483645LL - (long long )M) + (long long )N >= 0LL)) && ((3221225470LL + (long long )M) - (long long )N >= 0LL)) && ((3221225469LL - (long long )M) - (long long )N >= 0LL) [2024-08-14 00:12:29,823 INFO L97 edCorrectnessWitness]: Location invariant before [L72-L74] ((((2147483646LL + (long long )M) + (long long )N >= 0LL) && ((2147483645LL - (long long )M) + (long long )N >= 0LL)) && ((3221225470LL + (long long )M) - (long long )N >= 0LL)) && ((3221225469LL - (long long )M) - (long long )N >= 0LL) [2024-08-14 00:12:29,841 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 00:12:30,014 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-more-min-array-hom.wvr.c[2625,2638] [2024-08-14 00:12:30,023 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 00:12:30,030 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-14 00:12:30,083 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-more-min-array-hom.wvr.c[2625,2638] [2024-08-14 00:12:30,088 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 00:12:30,100 INFO L206 MainTranslator]: Completed translation [2024-08-14 00:12:30,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:12:30 WrapperNode [2024-08-14 00:12:30,101 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 00:12:30,102 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-14 00:12:30,102 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-14 00:12:30,102 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-14 00:12:30,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:12:30" (1/1) ... [2024-08-14 00:12:30,115 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:12:30" (1/1) ... [2024-08-14 00:12:30,130 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 87 [2024-08-14 00:12:30,131 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-14 00:12:30,131 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 00:12:30,131 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 00:12:30,131 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 00:12:30,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:12:30" (1/1) ... [2024-08-14 00:12:30,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:12:30" (1/1) ... [2024-08-14 00:12:30,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:12:30" (1/1) ... [2024-08-14 00:12:30,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:12:30" (1/1) ... [2024-08-14 00:12:30,145 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:12:30" (1/1) ... [2024-08-14 00:12:30,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:12:30" (1/1) ... [2024-08-14 00:12:30,149 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:12:30" (1/1) ... [2024-08-14 00:12:30,150 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:12:30" (1/1) ... [2024-08-14 00:12:30,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 00:12:30,152 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-14 00:12:30,152 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-14 00:12:30,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-14 00:12:30,153 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:12:30" (1/1) ... [2024-08-14 00:12:30,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 00:12:30,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:12:30,179 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) [2024-08-14 00:12:30,181 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 [2024-08-14 00:12:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 00:12:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-14 00:12:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-14 00:12:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-14 00:12:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-14 00:12:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-14 00:12:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-14 00:12:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-14 00:12:30,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-14 00:12:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-14 00:12:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-14 00:12:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-14 00:12:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 00:12:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 00:12:30,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-14 00:12:30,212 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-14 00:12:30,289 INFO L244 CfgBuilder]: Building ICFG [2024-08-14 00:12:30,291 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 00:12:30,485 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-14 00:12:30,485 INFO L293 CfgBuilder]: Performing block encoding [2024-08-14 00:12:30,712 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 00:12:30,712 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-08-14 00:12:30,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 12:12:30 BoogieIcfgContainer [2024-08-14 00:12:30,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-14 00:12:30,714 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 00:12:30,714 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 00:12:30,717 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 00:12:30,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 12:12:28" (1/4) ... [2024-08-14 00:12:30,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc8b2ae and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 12:12:30, skipping insertion in model container [2024-08-14 00:12:30,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 12:12:29" (2/4) ... [2024-08-14 00:12:30,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc8b2ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 12:12:30, skipping insertion in model container [2024-08-14 00:12:30,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:12:30" (3/4) ... [2024-08-14 00:12:30,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc8b2ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 12:12:30, skipping insertion in model container [2024-08-14 00:12:30,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 12:12:30" (4/4) ... [2024-08-14 00:12:30,721 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array-hom.wvr.c [2024-08-14 00:12:30,742 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 00:12:30,743 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-08-14 00:12:30,743 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-14 00:12:30,795 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-08-14 00:12:30,847 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 00:12:30,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 00:12:30,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:12:30,849 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) [2024-08-14 00:12:30,851 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 [2024-08-14 00:12:30,884 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 00:12:30,896 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork1 ======== [2024-08-14 00:12:30,903 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;@3165843a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 00:12:30,903 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 00:12:31,017 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:12:31,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:12:31,022 INFO L85 PathProgramCache]: Analyzing trace with hash -817547897, now seen corresponding path program 1 times [2024-08-14 00:12:31,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:12:31,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882187117] [2024-08-14 00:12:31,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:12:31,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:12:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:12:31,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:12:31,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:12:31,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882187117] [2024-08-14 00:12:31,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882187117] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:12:31,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:12:31,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-14 00:12:31,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392090035] [2024-08-14 00:12:31,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:12:31,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 00:12:31,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:12:31,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 00:12:31,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 00:12:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:12:31,401 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:12:31,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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) [2024-08-14 00:12:31,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:12:31,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:12:31,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 00:12:31,442 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:12:31,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:12:31,443 INFO L85 PathProgramCache]: Analyzing trace with hash -2069066250, now seen corresponding path program 1 times [2024-08-14 00:12:31,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:12:31,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850658467] [2024-08-14 00:12:31,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:12:31,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:12:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:12:31,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:12:31,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:12:31,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850658467] [2024-08-14 00:12:31,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850658467] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 00:12:31,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315447639] [2024-08-14 00:12:31,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:12:31,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:12:31,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:12:31,659 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) [2024-08-14 00:12:31,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-14 00:12:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:12:31,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-14 00:12:31,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 00:12:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:12:31,869 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 00:12:31,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:12:31,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315447639] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 00:12:31,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 00:12:31,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-08-14 00:12:31,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372664837] [2024-08-14 00:12:31,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 00:12:31,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-08-14 00:12:31,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:12:31,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-08-14 00:12:31,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-08-14 00:12:31,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:12:31,947 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:12:31,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 12 states have internal predecessors, (42), 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) [2024-08-14 00:12:31,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:12:31,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:12:32,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:12:32,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:12:32,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-14 00:12:32,277 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 [2024-08-14 00:12:32,278 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:12:32,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:12:32,279 INFO L85 PathProgramCache]: Analyzing trace with hash 2083537767, now seen corresponding path program 2 times [2024-08-14 00:12:32,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:12:32,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476981991] [2024-08-14 00:12:32,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:12:32,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:12:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:12:32,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:12:32,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:12:32,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476981991] [2024-08-14 00:12:32,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476981991] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 00:12:32,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051316372] [2024-08-14 00:12:32,509 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 00:12:32,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:12:32,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:12:32,512 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) [2024-08-14 00:12:32,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-14 00:12:32,573 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-14 00:12:32,573 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 00:12:32,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-14 00:12:32,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 00:12:32,845 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-14 00:12:32,845 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-14 00:12:32,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051316372] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:12:32,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-14 00:12:32,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-08-14 00:12:32,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195661116] [2024-08-14 00:12:32,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:12:32,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 00:12:32,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:12:32,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 00:12:32,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-08-14 00:12:32,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:12:32,850 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:12:32,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-08-14 00:12:32,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:12:32,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:12:32,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:12:33,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:12:33,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:12:33,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:12:33,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 1 remaining) [2024-08-14 00:12:33,191 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-08-14 00:12:33,375 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 [2024-08-14 00:12:33,381 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2024-08-14 00:12:33,382 INFO L308 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork1 was SAFE (1/4) [2024-08-14 00:12:33,385 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 00:12:33,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 00:12:33,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:12:33,387 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-14 00:12:33,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2024-08-14 00:12:33,391 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 00:12:33,392 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork0 ======== [2024-08-14 00:12:33,392 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;@3165843a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 00:12:33,392 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 00:12:33,435 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:12:33,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:12:33,435 INFO L85 PathProgramCache]: Analyzing trace with hash 651662501, now seen corresponding path program 1 times [2024-08-14 00:12:33,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:12:33,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992731836] [2024-08-14 00:12:33,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:12:33,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:12:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:12:33,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:12:33,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:12:33,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992731836] [2024-08-14 00:12:33,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992731836] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:12:33,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:12:33,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-14 00:12:33,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654628823] [2024-08-14 00:12:33,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:12:33,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 00:12:33,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:12:33,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 00:12:33,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 00:12:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:12:33,505 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:12:33,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 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) [2024-08-14 00:12:33,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:12:33,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:12:33,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-14 00:12:33,566 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:12:33,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:12:33,566 INFO L85 PathProgramCache]: Analyzing trace with hash -708297516, now seen corresponding path program 1 times [2024-08-14 00:12:33,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:12:33,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475211618] [2024-08-14 00:12:33,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:12:33,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:12:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:12:33,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:12:33,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:12:33,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475211618] [2024-08-14 00:12:33,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475211618] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 00:12:33,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506511430] [2024-08-14 00:12:33,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:12:33,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:12:33,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:12:33,693 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) [2024-08-14 00:12:33,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-14 00:12:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:12:33,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 13 conjunts are in the unsatisfiable core [2024-08-14 00:12:33,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 00:12:33,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:12:33,862 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 00:12:34,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:12:34,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506511430] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 00:12:34,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 00:12:34,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 9 [2024-08-14 00:12:34,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655262029] [2024-08-14 00:12:34,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 00:12:34,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-08-14 00:12:34,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:12:34,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-08-14 00:12:34,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-08-14 00:12:34,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:12:34,052 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:12:34,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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) [2024-08-14 00:12:34,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:12:34,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:12:34,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:12:34,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 00:12:34,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-08-14 00:12:34,403 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 [2024-08-14 00:12:34,404 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:12:34,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:12:34,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1311266715, now seen corresponding path program 2 times [2024-08-14 00:12:34,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:12:34,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887156268] [2024-08-14 00:12:34,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:12:34,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:12:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:12:34,621 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:12:34,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:12:34,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887156268] [2024-08-14 00:12:34,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887156268] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 00:12:34,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413656378] [2024-08-14 00:12:34,622 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 00:12:34,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:12:34,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:12:34,627 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) [2024-08-14 00:12:34,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-08-14 00:12:34,684 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-14 00:12:34,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 00:12:34,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-14 00:12:34,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 00:12:34,774 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-14 00:12:34,774 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-14 00:12:34,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413656378] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:12:34,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-14 00:12:34,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 8 [2024-08-14 00:12:34,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907339374] [2024-08-14 00:12:34,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:12:34,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 00:12:34,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:12:34,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 00:12:34,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-08-14 00:12:34,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:12:34,776 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:12:34,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-08-14 00:12:34,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:12:34,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 00:12:34,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:12:34,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:12:34,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 00:12:35,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:12:35,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 1 remaining) [2024-08-14 00:12:35,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-08-14 00:12:35,200 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 [2024-08-14 00:12:35,201 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2024-08-14 00:12:35,202 INFO L308 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE (2/4) [2024-08-14 00:12:35,207 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 00:12:35,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 00:12:35,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:12:35,209 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-14 00:12:35,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2024-08-14 00:12:35,214 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 00:12:35,215 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-14 00:12:35,215 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;@3165843a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 00:12:35,215 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-14 00:12:35,280 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 00:12:35,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:12:35,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1544044356, now seen corresponding path program 1 times [2024-08-14 00:12:35,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:12:35,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084857693] [2024-08-14 00:12:35,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:12:35,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:12:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:12:35,403 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-14 00:12:35,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:12:35,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084857693] [2024-08-14 00:12:35,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084857693] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:12:35,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:12:35,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-14 00:12:35,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328034975] [2024-08-14 00:12:35,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:12:35,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 00:12:35,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:12:35,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 00:12:35,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 00:12:35,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:12:35,409 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:12:35,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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) [2024-08-14 00:12:35,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:12:35,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:12:35,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-08-14 00:12:35,471 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 00:12:35,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:12:35,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1516885165, now seen corresponding path program 1 times [2024-08-14 00:12:35,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:12:35,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362131651] [2024-08-14 00:12:35,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:12:35,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:12:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:12:35,617 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:12:35,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:12:35,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362131651] [2024-08-14 00:12:35,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362131651] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 00:12:35,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678492854] [2024-08-14 00:12:35,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:12:35,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:12:35,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:12:35,625 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) [2024-08-14 00:12:35,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-08-14 00:12:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:12:35,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-14 00:12:35,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 00:12:35,787 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-14 00:12:35,787 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 00:12:35,862 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-14 00:12:35,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678492854] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 00:12:35,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 00:12:35,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2024-08-14 00:12:35,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637706551] [2024-08-14 00:12:35,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 00:12:35,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-08-14 00:12:35,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:12:35,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-08-14 00:12:35,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-08-14 00:12:35,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:12:35,867 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:12:35,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.333333333333333) internal successors, (65), 14 states have internal predecessors, (65), 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) [2024-08-14 00:12:35,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:12:35,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:12:35,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:12:35,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:12:36,016 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-08-14 00:12:36,197 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 [2024-08-14 00:12:36,198 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 00:12:36,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:12:36,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1916419804, now seen corresponding path program 2 times [2024-08-14 00:12:36,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:12:36,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678708176] [2024-08-14 00:12:36,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:12:36,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:12:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:12:36,266 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-08-14 00:12:36,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:12:36,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678708176] [2024-08-14 00:12:36,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678708176] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:12:36,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:12:36,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 00:12:36,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274667080] [2024-08-14 00:12:36,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:12:36,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 00:12:36,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:12:36,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 00:12:36,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 00:12:36,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:12:36,268 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:12:36,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-08-14 00:12:36,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:12:36,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:12:36,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:12:36,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:12:36,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:12:36,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:12:36,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-08-14 00:12:36,330 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 00:12:36,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:12:36,331 INFO L85 PathProgramCache]: Analyzing trace with hash 574173968, now seen corresponding path program 1 times [2024-08-14 00:12:36,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:12:36,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933902258] [2024-08-14 00:12:36,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:12:36,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:12:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:12:36,539 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:12:36,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:12:36,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933902258] [2024-08-14 00:12:36,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933902258] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 00:12:36,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649404739] [2024-08-14 00:12:36,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:12:36,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:12:36,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:12:36,544 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 00:12:36,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-08-14 00:12:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:12:36,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-14 00:12:36,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 00:12:36,769 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-14 00:12:36,769 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 00:12:36,866 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-14 00:12:36,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649404739] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 00:12:36,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 00:12:36,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 20 [2024-08-14 00:12:36,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043548382] [2024-08-14 00:12:36,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 00:12:36,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-08-14 00:12:36,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:12:36,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-08-14 00:12:36,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2024-08-14 00:12:36,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:12:36,869 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:12:36,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.523809523809524) internal successors, (95), 20 states have internal predecessors, (95), 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) [2024-08-14 00:12:36,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:12:36,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:12:36,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:12:36,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:12:37,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:12:37,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:12:37,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:12:37,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:12:37,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-08-14 00:12:37,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-08-14 00:12:37,228 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 00:12:37,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:12:37,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1106645377, now seen corresponding path program 2 times [2024-08-14 00:12:37,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:12:37,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853577123] [2024-08-14 00:12:37,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:12:37,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:12:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:12:41,955 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:12:41,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:12:41,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853577123] [2024-08-14 00:12:41,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853577123] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 00:12:41,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440069312] [2024-08-14 00:12:41,955 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 00:12:41,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:12:41,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:12:41,961 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 00:12:41,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-08-14 00:12:42,031 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-14 00:12:42,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 00:12:42,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 46 conjunts are in the unsatisfiable core [2024-08-14 00:12:42,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 00:12:42,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-08-14 00:12:43,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-14 00:12:43,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-14 00:12:43,904 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-14 00:12:43,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 244 treesize of output 138 [2024-08-14 00:12:44,636 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:12:44,637 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 00:13:37,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 512 [2024-08-14 00:13:37,486 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-14 00:13:37,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 902 treesize of output 694 [2024-08-14 00:13:38,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1484 treesize of output 1310 [2024-08-14 00:13:38,343 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-14 00:13:38,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1989 treesize of output 1573 [2024-08-14 00:13:40,506 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-14 00:13:40,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440069312] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 00:13:40,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 00:13:40,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 18] total 57 [2024-08-14 00:13:40,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45481879] [2024-08-14 00:13:40,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 00:13:40,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-08-14 00:13:40,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:13:40,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-08-14 00:13:40,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=3043, Unknown=0, NotChecked=0, Total=3306 [2024-08-14 00:13:40,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:13:40,510 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:13:40,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 1.896551724137931) internal successors, (110), 57 states have internal predecessors, (110), 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) [2024-08-14 00:13:40,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:13:40,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:13:40,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:13:40,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:13:40,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:13:51,402 WARN L293 SmtUtils]: Spent 7.89s on a formula simplification. DAG size of input: 885 DAG size of output: 516 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-14 00:14:04,045 WARN L293 SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 947 DAG size of output: 444 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-14 00:14:27,209 WARN L293 SmtUtils]: Spent 9.10s on a formula simplification. DAG size of input: 703 DAG size of output: 560 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-14 00:14:53,322 WARN L293 SmtUtils]: Spent 6.67s on a formula simplification. DAG size of input: 666 DAG size of output: 562 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-14 00:15:06,273 WARN L293 SmtUtils]: Spent 12.05s on a formula simplification. DAG size of input: 669 DAG size of output: 618 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-14 00:15:19,372 WARN L293 SmtUtils]: Spent 9.74s on a formula simplification. DAG size of input: 669 DAG size of output: 573 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-14 00:15:48,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:15:48,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:15:48,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:15:48,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:15:48,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:15:48,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-08-14 00:15:49,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-08-14 00:15:49,087 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 00:15:49,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:15:49,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1851878093, now seen corresponding path program 3 times [2024-08-14 00:15:49,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:15:49,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022838275] [2024-08-14 00:15:49,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:15:49,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:15:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:15:49,266 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 32 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:15:49,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:15:49,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022838275] [2024-08-14 00:15:49,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022838275] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 00:15:49,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945093400] [2024-08-14 00:15:49,267 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-14 00:15:49,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:15:49,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:15:49,269 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 00:15:49,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-08-14 00:15:49,448 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-08-14 00:15:49,448 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 00:15:49,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-14 00:15:49,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 00:15:49,656 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 38 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-14 00:15:49,657 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 00:15:49,812 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 38 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-14 00:15:49,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945093400] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 00:15:49,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 00:15:49,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 26 [2024-08-14 00:15:49,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101434550] [2024-08-14 00:15:49,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 00:15:49,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-08-14 00:15:49,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:15:49,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-08-14 00:15:49,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=569, Unknown=0, NotChecked=0, Total=702 [2024-08-14 00:15:49,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:15:49,815 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:15:49,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.62962962962963) internal successors, (125), 26 states have internal predecessors, (125), 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) [2024-08-14 00:15:49,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:15:49,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:15:49,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:15:49,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:15:49,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:15:49,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:15:49,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:15:49,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:15:49,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:15:49,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:15:49,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:15:49,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:15:49,983 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-08-14 00:15:50,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:15:50,168 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 00:15:50,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:15:50,168 INFO L85 PathProgramCache]: Analyzing trace with hash 602793852, now seen corresponding path program 4 times [2024-08-14 00:15:50,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:15:50,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984003462] [2024-08-14 00:15:50,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:15:50,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:15:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:15:50,379 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 22 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-14 00:15:50,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:15:50,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984003462] [2024-08-14 00:15:50,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984003462] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 00:15:50,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524527685] [2024-08-14 00:15:50,379 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-14 00:15:50,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:15:50,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:15:50,382 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 00:15:50,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-08-14 00:15:50,459 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-14 00:15:50,460 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 00:15:50,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 13 conjunts are in the unsatisfiable core [2024-08-14 00:15:50,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 00:15:50,791 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-14 00:15:50,792 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 00:15:51,110 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 32 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-14 00:15:51,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524527685] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 00:15:51,111 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 00:15:51,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 13] total 36 [2024-08-14 00:15:51,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762057313] [2024-08-14 00:15:51,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 00:15:51,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-08-14 00:15:51,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:15:51,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-08-14 00:15:51,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1116, Unknown=0, NotChecked=0, Total=1260 [2024-08-14 00:15:51,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:15:51,113 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:15:51,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.5277777777777777) internal successors, (127), 36 states have internal predecessors, (127), 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) [2024-08-14 00:15:51,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:15:51,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:15:51,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:15:51,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:15:51,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:15:51,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:15:51,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:15:55,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:15:55,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:15:55,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:15:55,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:15:55,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:15:55,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:15:55,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:15:55,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-08-14 00:15:55,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-08-14 00:15:55,772 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 00:15:55,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:15:55,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1384833247, now seen corresponding path program 5 times [2024-08-14 00:15:55,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:15:55,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709962684] [2024-08-14 00:15:55,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:15:55,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:15:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:15:56,613 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 64 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:15:56,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:15:56,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709962684] [2024-08-14 00:15:56,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709962684] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 00:15:56,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830810694] [2024-08-14 00:15:56,614 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-14 00:15:56,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:15:56,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:15:56,616 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 00:15:56,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-08-14 00:15:56,756 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-08-14 00:15:56,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 00:15:56,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 18 conjunts are in the unsatisfiable core [2024-08-14 00:15:56,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 00:15:57,506 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 162 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:15:57,506 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 00:15:57,960 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 162 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:15:57,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830810694] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 00:15:57,960 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 00:15:57,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 15, 15] total 56 [2024-08-14 00:15:57,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243170377] [2024-08-14 00:15:57,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 00:15:57,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-08-14 00:15:57,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:15:57,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-08-14 00:15:57,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=421, Invalid=2771, Unknown=0, NotChecked=0, Total=3192 [2024-08-14 00:15:57,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:15:57,964 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:15:57,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 3.789473684210526) internal successors, (216), 56 states have internal predecessors, (216), 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) [2024-08-14 00:15:57,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:15:57,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:15:57,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:15:57,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:15:57,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:15:57,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:15:57,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:15:57,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:15:58,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:15:58,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:15:58,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:15:58,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:15:58,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:15:58,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:15:58,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:15:58,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:15:58,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-08-14 00:15:58,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-08-14 00:15:58,545 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 00:15:58,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:15:58,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1574993230, now seen corresponding path program 6 times [2024-08-14 00:15:58,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:15:58,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638515878] [2024-08-14 00:15:58,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:15:58,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:15:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:15:58,915 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 28 proven. 170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:15:58,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:15:58,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638515878] [2024-08-14 00:15:58,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638515878] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 00:15:58,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211981352] [2024-08-14 00:15:58,916 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-14 00:15:58,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:15:58,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:15:58,917 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 00:15:58,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-08-14 00:15:59,368 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-08-14 00:15:59,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 00:15:59,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 23 conjunts are in the unsatisfiable core [2024-08-14 00:15:59,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 00:15:59,972 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 94 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:15:59,972 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 00:16:00,682 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 162 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:16:00,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211981352] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 00:16:00,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 00:16:00,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21, 21] total 57 [2024-08-14 00:16:00,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087523119] [2024-08-14 00:16:00,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 00:16:00,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-08-14 00:16:00,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:16:00,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-08-14 00:16:00,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=445, Invalid=2861, Unknown=0, NotChecked=0, Total=3306 [2024-08-14 00:16:00,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:16:00,686 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:16:00,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 3.8620689655172415) internal successors, (224), 57 states have internal predecessors, (224), 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) [2024-08-14 00:16:00,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:16:00,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:16:00,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:16:00,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:16:00,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:16:00,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:16:00,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:16:00,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:16:00,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:16:01,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:16:01,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:16:01,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:16:01,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:16:01,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:16:01,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:16:01,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:16:01,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:16:01,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:16:01,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-08-14 00:16:01,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-08-14 00:16:01,714 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 00:16:01,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:16:01,715 INFO L85 PathProgramCache]: Analyzing trace with hash 568217647, now seen corresponding path program 7 times [2024-08-14 00:16:01,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:16:01,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405574267] [2024-08-14 00:16:01,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:16:01,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:16:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:16:02,230 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 334 proven. 70 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-14 00:16:02,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:16:02,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405574267] [2024-08-14 00:16:02,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405574267] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 00:16:02,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159737577] [2024-08-14 00:16:02,231 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-14 00:16:02,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:16:02,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:16:02,235 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 00:16:02,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-08-14 00:16:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:16:02,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 25 conjunts are in the unsatisfiable core [2024-08-14 00:16:02,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 00:16:02,921 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 269 proven. 57 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-08-14 00:16:02,921 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 00:16:03,694 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 281 proven. 45 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-08-14 00:16:03,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159737577] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 00:16:03,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 00:16:03,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23, 23] total 64 [2024-08-14 00:16:03,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477069200] [2024-08-14 00:16:03,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 00:16:03,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-08-14 00:16:03,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:16:03,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-08-14 00:16:03,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=769, Invalid=3391, Unknown=0, NotChecked=0, Total=4160 [2024-08-14 00:16:03,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:16:03,698 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:16:03,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 3.6153846153846154) internal successors, (235), 64 states have internal predecessors, (235), 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) [2024-08-14 00:16:03,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:16:03,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:16:03,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:16:03,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:16:03,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:16:03,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:16:03,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:16:03,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:16:03,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:16:03,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:16:03,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:16:03,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:16:03,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:16:03,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:16:03,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:16:03,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:16:03,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:16:03,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:16:03,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:16:03,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:16:03,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-08-14 00:16:04,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-08-14 00:16:04,121 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 00:16:04,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:16:04,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1919843234, now seen corresponding path program 8 times [2024-08-14 00:16:04,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:16:04,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80801889] [2024-08-14 00:16:04,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:16:04,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:16:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:16:05,160 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 193 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:16:05,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:16:05,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80801889] [2024-08-14 00:16:05,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80801889] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 00:16:05,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227410857] [2024-08-14 00:16:05,160 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 00:16:05,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:16:05,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:16:05,162 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 00:16:05,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-08-14 00:16:05,291 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-14 00:16:05,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 00:16:05,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 27 conjunts are in the unsatisfiable core [2024-08-14 00:16:05,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 00:16:06,111 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 275 proven. 83 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-08-14 00:16:06,111 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 00:16:06,996 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 303 proven. 55 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-08-14 00:16:06,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227410857] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 00:16:06,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 00:16:06,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 25, 25] total 77 [2024-08-14 00:16:06,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226972636] [2024-08-14 00:16:06,997 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 00:16:06,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-08-14 00:16:06,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:16:06,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-08-14 00:16:07,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1124, Invalid=4882, Unknown=0, NotChecked=0, Total=6006 [2024-08-14 00:16:07,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:16:07,001 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:16:07,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 3.2051282051282053) internal successors, (250), 77 states have internal predecessors, (250), 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) [2024-08-14 00:16:07,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:16:07,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:16:07,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:16:07,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:16:07,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:16:07,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:16:07,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:16:07,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:16:07,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:16:07,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:16:07,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:16:07,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:16:07,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:16:07,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:16:07,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:16:07,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:16:07,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:16:07,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:16:07,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:16:07,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:16:07,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:16:07,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 00:16:07,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-08-14 00:16:07,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-08-14 00:16:07,482 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 00:16:07,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:16:07,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1740319217, now seen corresponding path program 9 times [2024-08-14 00:16:07,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:16:07,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623076575] [2024-08-14 00:16:07,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:16:07,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:16:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:16:08,050 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 55 proven. 371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:16:08,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:16:08,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623076575] [2024-08-14 00:16:08,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623076575] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 00:16:08,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334619127] [2024-08-14 00:16:08,051 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-14 00:16:08,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:16:08,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:16:08,053 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 00:16:08,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-08-14 00:16:08,538 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-08-14 00:16:08,538 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 00:16:08,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 26 conjunts are in the unsatisfiable core [2024-08-14 00:16:08,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 00:16:09,280 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 65 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:16:09,281 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 00:16:09,824 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 76 proven. 350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:16:09,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334619127] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 00:16:09,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 00:16:09,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 58 [2024-08-14 00:16:09,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676405320] [2024-08-14 00:16:09,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 00:16:09,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-08-14 00:16:09,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:16:09,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-08-14 00:16:09,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=811, Invalid=2611, Unknown=0, NotChecked=0, Total=3422 [2024-08-14 00:16:09,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:16:09,828 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:16:09,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 4.016949152542373) internal successors, (237), 58 states have internal predecessors, (237), 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) [2024-08-14 00:16:09,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:16:09,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:16:09,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:16:09,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:16:09,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:16:09,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:16:09,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:16:09,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:16:09,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:16:09,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:16:09,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 00:16:09,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:16:10,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:16:10,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:16:10,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:16:10,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:16:10,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:16:10,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:16:10,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:16:10,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:16:10,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:16:10,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:16:10,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 00:16:10,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-08-14 00:16:10,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-08-14 00:16:10,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-08-14 00:16:10,681 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 00:16:10,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:16:10,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1742651585, now seen corresponding path program 10 times [2024-08-14 00:16:10,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:16:10,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271867868] [2024-08-14 00:16:10,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:16:10,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:16:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:16:12,908 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 391 proven. 314 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:16:12,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:16:12,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271867868] [2024-08-14 00:16:12,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271867868] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 00:16:12,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823456048] [2024-08-14 00:16:12,909 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-14 00:16:12,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:16:12,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:16:12,911 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 00:16:12,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-08-14 00:16:13,029 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-14 00:16:13,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 00:16:13,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 40 conjunts are in the unsatisfiable core [2024-08-14 00:16:13,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 00:16:15,287 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 13 proven. 626 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-08-14 00:16:15,287 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 00:16:17,437 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 400 proven. 239 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-08-14 00:16:17,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823456048] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 00:16:17,438 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 00:16:17,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 41, 32] total 122 [2024-08-14 00:16:17,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218921592] [2024-08-14 00:16:17,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 00:16:17,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2024-08-14 00:16:17,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:16:17,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2024-08-14 00:16:17,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1680, Invalid=13082, Unknown=0, NotChecked=0, Total=14762 [2024-08-14 00:16:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:16:17,448 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:16:17,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 3.098360655737705) internal successors, (378), 122 states have internal predecessors, (378), 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) [2024-08-14 00:16:17,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:16:17,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:16:17,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:16:17,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:16:17,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:16:17,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:16:17,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:16:17,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:16:17,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:16:17,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:16:17,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 00:16:17,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-08-14 00:16:17,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:16:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 00:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-08-14 00:16:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-08-14 00:16:48,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-08-14 00:16:48,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:16:48,788 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 00:16:48,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:16:48,788 INFO L85 PathProgramCache]: Analyzing trace with hash -2064318548, now seen corresponding path program 11 times [2024-08-14 00:16:48,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:16:48,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741874123] [2024-08-14 00:16:48,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:16:48,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:16:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:16:51,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 806 proven. 513 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:16:51,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:16:51,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741874123] [2024-08-14 00:16:51,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741874123] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 00:16:51,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96015128] [2024-08-14 00:16:51,873 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-14 00:16:51,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:16:51,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:16:51,875 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 00:16:51,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-08-14 00:16:53,861 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2024-08-14 00:16:53,862 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 00:16:53,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 36 conjunts are in the unsatisfiable core [2024-08-14 00:16:53,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 00:16:55,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 1241 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:16:55,957 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 00:16:57,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 1241 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:16:57,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96015128] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 00:16:57,983 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 00:16:57,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 33, 33] total 131 [2024-08-14 00:16:57,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602914210] [2024-08-14 00:16:57,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 00:16:57,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2024-08-14 00:16:57,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:16:57,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2024-08-14 00:16:57,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2356, Invalid=14936, Unknown=0, NotChecked=0, Total=17292 [2024-08-14 00:16:57,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:16:57,991 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:16:57,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 3.977272727272727) internal successors, (525), 131 states have internal predecessors, (525), 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) [2024-08-14 00:16:57,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:16:57,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:16:57,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:16:57,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:16:57,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:16:57,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:16:57,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:16:57,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:16:57,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:16:57,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:16:57,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 00:16:57,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-08-14 00:16:57,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-08-14 00:16:57,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:16:58,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:16:58,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:16:58,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:16:58,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:16:58,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:16:58,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:16:58,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:16:58,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:16:58,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:16:58,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:16:58,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 00:16:58,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-08-14 00:16:58,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-08-14 00:16:58,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:16:58,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-08-14 00:16:58,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:16:58,757 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 00:16:58,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:16:58,758 INFO L85 PathProgramCache]: Analyzing trace with hash -385759429, now seen corresponding path program 12 times [2024-08-14 00:16:58,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:16:58,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929178657] [2024-08-14 00:16:58,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:16:58,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:16:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:17:00,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 171 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:17:00,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:17:00,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929178657] [2024-08-14 00:17:00,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929178657] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 00:17:00,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803427300] [2024-08-14 00:17:00,161 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-14 00:17:00,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:17:00,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:17:00,163 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 00:17:00,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-08-14 00:17:03,710 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2024-08-14 00:17:03,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 00:17:03,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 43 conjunts are in the unsatisfiable core [2024-08-14 00:17:03,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 00:17:05,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 18 proven. 1223 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-08-14 00:17:05,466 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 00:17:06,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 601 proven. 430 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-08-14 00:17:06,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803427300] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 00:17:06,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 00:17:06,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 44, 25] total 101 [2024-08-14 00:17:06,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578930832] [2024-08-14 00:17:06,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 00:17:06,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-08-14 00:17:06,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:17:06,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-08-14 00:17:06,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1193, Invalid=8907, Unknown=0, NotChecked=0, Total=10100 [2024-08-14 00:17:06,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:17:06,747 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:17:06,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 4.237623762376238) internal successors, (428), 101 states have internal predecessors, (428), 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) [2024-08-14 00:17:06,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:17:06,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:17:06,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:17:06,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:17:06,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:17:06,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:17:06,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:17:06,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:17:06,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:17:06,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:17:06,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 00:17:06,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-08-14 00:17:06,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-08-14 00:17:06,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:17:06,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:17:50,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:17:50,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:17:50,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:17:50,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:17:50,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:17:50,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:17:50,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:17:50,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:17:50,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:17:50,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:17:50,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 00:17:50,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-08-14 00:17:50,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-08-14 00:17:50,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:17:50,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 637 states. [2024-08-14 00:17:50,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-08-14 00:17:50,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-08-14 00:17:50,879 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 00:17:50,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:17:50,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1050631755, now seen corresponding path program 13 times [2024-08-14 00:17:50,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:17:50,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944147356] [2024-08-14 00:17:50,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:17:50,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:17:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:17:56,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2231 backedges. 1371 proven. 860 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:17:56,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:17:56,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944147356] [2024-08-14 00:17:56,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944147356] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 00:17:56,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170767716] [2024-08-14 00:17:56,117 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-14 00:17:56,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:17:56,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:17:56,119 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 00:17:56,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-08-14 00:17:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:17:56,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 45 conjunts are in the unsatisfiable core [2024-08-14 00:17:56,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 00:17:58,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2231 backedges. 1412 proven. 217 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2024-08-14 00:17:58,714 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 00:18:01,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2231 backedges. 1439 proven. 190 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2024-08-14 00:18:01,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170767716] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 00:18:01,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 00:18:01,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [88, 43, 43] total 170 [2024-08-14 00:18:01,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29476407] [2024-08-14 00:18:01,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 00:18:01,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 171 states [2024-08-14 00:18:01,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:18:01,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 171 interpolants. [2024-08-14 00:18:01,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4055, Invalid=25015, Unknown=0, NotChecked=0, Total=29070 [2024-08-14 00:18:01,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:18:01,459 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:18:01,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 171 states, 171 states have (on average 2.742690058479532) internal successors, (469), 170 states have internal predecessors, (469), 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) [2024-08-14 00:18:01,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:18:01,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:18:01,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:18:01,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:18:01,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:18:01,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:18:01,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:18:01,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:18:01,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:18:01,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:18:01,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 00:18:01,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-08-14 00:18:01,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-08-14 00:18:01,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:18:01,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 637 states. [2024-08-14 00:18:01,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:18:02,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:18:02,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:18:02,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:18:02,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:18:02,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:18:02,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:18:02,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:18:02,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:18:02,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:18:02,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:18:02,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 00:18:02,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-08-14 00:18:02,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-08-14 00:18:02,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:18:02,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 637 states. [2024-08-14 00:18:02,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:18:02,071 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-08-14 00:18:02,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:18:02,257 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 00:18:02,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:18:02,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1319558042, now seen corresponding path program 14 times [2024-08-14 00:18:02,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:18:02,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237444150] [2024-08-14 00:18:02,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:18:02,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:18:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:18:06,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2251 backedges. 1371 proven. 880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:18:06,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:18:06,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237444150] [2024-08-14 00:18:06,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237444150] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 00:18:06,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881005725] [2024-08-14 00:18:06,835 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 00:18:06,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:18:06,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:18:06,837 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 00:18:06,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-08-14 00:18:07,046 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-14 00:18:07,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 00:18:07,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 47 conjunts are in the unsatisfiable core [2024-08-14 00:18:07,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 00:18:09,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2251 backedges. 1447 proven. 268 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2024-08-14 00:18:09,621 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 00:18:12,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2251 backedges. 1505 proven. 210 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2024-08-14 00:18:12,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881005725] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 00:18:12,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 00:18:12,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89, 45, 45] total 175 [2024-08-14 00:18:12,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398494405] [2024-08-14 00:18:12,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 00:18:12,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 176 states [2024-08-14 00:18:12,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:18:12,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 176 interpolants. [2024-08-14 00:18:12,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4277, Invalid=26523, Unknown=0, NotChecked=0, Total=30800 [2024-08-14 00:18:12,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:18:12,752 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:18:12,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 176 states, 176 states have (on average 2.75) internal successors, (484), 175 states have internal predecessors, (484), 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) [2024-08-14 00:18:12,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:18:12,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:18:12,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:18:12,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:18:12,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:18:12,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:18:12,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:18:12,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:18:12,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:18:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:18:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 00:18:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-08-14 00:18:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-08-14 00:18:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:18:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 637 states. [2024-08-14 00:18:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:18:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:18:13,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:18:13,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:18:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:18:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:18:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:18:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:18:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:18:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:18:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:18:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:18:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 00:18:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-08-14 00:18:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-08-14 00:18:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:18:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 637 states. [2024-08-14 00:18:13,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:18:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-08-14 00:18:13,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-08-14 00:18:13,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-08-14 00:18:13,746 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 00:18:13,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:18:13,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1066338347, now seen corresponding path program 15 times [2024-08-14 00:18:13,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:18:13,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073125800] [2024-08-14 00:18:13,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:18:13,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:18:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:18:19,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 1371 proven. 901 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:18:19,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:18:19,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073125800] [2024-08-14 00:18:19,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073125800] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 00:18:19,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721037118] [2024-08-14 00:18:19,178 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-14 00:18:19,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:18:19,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:18:19,180 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 00:18:19,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-08-14 00:18:30,484 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2024-08-14 00:18:30,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 00:18:30,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 50 conjunts are in the unsatisfiable core [2024-08-14 00:18:30,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 00:18:33,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 2041 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:18:33,971 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 00:18:37,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 2041 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:18:37,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721037118] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 00:18:37,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 00:18:37,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [90, 47, 47] total 182 [2024-08-14 00:18:37,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025135053] [2024-08-14 00:18:37,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 00:18:37,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 183 states [2024-08-14 00:18:37,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:18:37,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2024-08-14 00:18:37,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4244, Invalid=29062, Unknown=0, NotChecked=0, Total=33306 [2024-08-14 00:18:37,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:18:37,759 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:18:37,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 183 states, 183 states have (on average 3.7049180327868854) internal successors, (678), 182 states have internal predecessors, (678), 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) [2024-08-14 00:18:37,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:18:37,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:18:37,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:18:37,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:18:37,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:18:37,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:18:37,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:18:37,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:18:37,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:18:37,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:18:37,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 00:18:37,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-08-14 00:18:37,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-08-14 00:18:37,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:18:37,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 637 states. [2024-08-14 00:18:37,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:18:37,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-08-14 00:18:37,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:18:38,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:18:38,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:18:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:18:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:18:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:18:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:18:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:18:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:18:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:18:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:18:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 00:18:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-08-14 00:18:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-08-14 00:18:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:18:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 637 states. [2024-08-14 00:18:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:18:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-08-14 00:18:38,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-08-14 00:18:38,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-08-14 00:18:38,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-08-14 00:18:38,937 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 00:18:38,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:18:38,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1570109402, now seen corresponding path program 16 times [2024-08-14 00:18:38,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:18:38,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546622367] [2024-08-14 00:18:38,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:18:38,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:18:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:18:40,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2341 backedges. 276 proven. 2065 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:18:40,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:18:40,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546622367] [2024-08-14 00:18:40,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546622367] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 00:18:40,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487721690] [2024-08-14 00:18:40,950 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-14 00:18:40,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:18:40,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:18:40,952 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 00:18:40,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-08-14 00:18:41,116 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-14 00:18:41,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 00:18:41,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 68 conjunts are in the unsatisfiable core [2024-08-14 00:18:41,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 00:18:45,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2341 backedges. 23 proven. 2018 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-08-14 00:18:45,205 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 00:18:49,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2341 backedges. 1366 proven. 675 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-08-14 00:18:49,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487721690] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 00:18:49,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 00:18:49,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 69, 52] total 167 [2024-08-14 00:18:49,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749644174] [2024-08-14 00:18:49,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 00:18:49,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 167 states [2024-08-14 00:18:49,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:18:49,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2024-08-14 00:18:49,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3908, Invalid=23814, Unknown=0, NotChecked=0, Total=27722 [2024-08-14 00:18:49,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:18:49,485 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:18:49,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 167 states, 167 states have (on average 3.8323353293413174) internal successors, (640), 167 states have internal predecessors, (640), 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) [2024-08-14 00:18:49,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:18:49,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:18:49,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:18:49,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:18:49,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:18:49,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:18:49,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:18:49,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:18:49,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:18:49,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:18:49,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 00:18:49,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-08-14 00:18:49,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-08-14 00:18:49,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:18:49,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 637 states. [2024-08-14 00:18:49,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:18:49,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-08-14 00:18:49,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-08-14 00:18:49,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:20:59,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:20:59,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:20:59,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:20:59,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:20:59,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:20:59,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:20:59,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:20:59,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:20:59,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:20:59,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:20:59,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 00:20:59,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-08-14 00:20:59,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-08-14 00:20:59,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:20:59,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 637 states. [2024-08-14 00:20:59,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:20:59,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-08-14 00:20:59,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-08-14 00:20:59,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 897 states. [2024-08-14 00:20:59,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-08-14 00:20:59,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:20:59,861 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 00:20:59,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:20:59,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1446932610, now seen corresponding path program 17 times [2024-08-14 00:20:59,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:20:59,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691803532] [2024-08-14 00:20:59,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:20:59,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:20:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:21:18,438 INFO L134 CoverageAnalysis]: Checked inductivity of 8332 backedges. 6752 proven. 1580 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:21:18,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:21:18,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691803532] [2024-08-14 00:21:18,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691803532] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 00:21:18,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755856681] [2024-08-14 00:21:18,439 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-14 00:21:18,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 00:21:18,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:21:18,441 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 00:21:18,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-08-14 00:22:31,343 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 44 check-sat command(s) [2024-08-14 00:22:31,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 00:22:31,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 1395 conjuncts, 97 conjunts are in the unsatisfiable core [2024-08-14 00:22:31,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 00:22:43,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8332 backedges. 0 proven. 8032 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-08-14 00:22:43,960 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 00:22:55,615 INFO L134 CoverageAnalysis]: Checked inductivity of 8332 backedges. 2233 proven. 5799 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-08-14 00:22:55,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755856681] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 00:22:55,615 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 00:22:55,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [156, 98, 76] total 326 [2024-08-14 00:22:55,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897850849] [2024-08-14 00:22:55,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 00:22:55,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 326 states [2024-08-14 00:22:55,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:22:55,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 326 interpolants. [2024-08-14 00:22:55,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11172, Invalid=94778, Unknown=0, NotChecked=0, Total=105950 [2024-08-14 00:22:55,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:22:55,627 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:22:55,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 326 states, 326 states have (on average 3.708588957055215) internal successors, (1209), 326 states have internal predecessors, (1209), 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) [2024-08-14 00:22:55,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:22:55,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:22:55,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:22:55,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:22:55,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-08-14 00:22:55,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 00:22:55,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-08-14 00:22:55,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:22:55,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:22:55,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:22:55,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 00:22:55,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-08-14 00:22:55,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-08-14 00:22:55,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:22:55,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 637 states. [2024-08-14 00:22:55,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 00:22:55,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-08-14 00:22:55,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-08-14 00:22:55,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 897 states. [2024-08-14 00:22:55,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.