./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/26_stack_cas.i --full-output --validate ./goblint.2024-08-08_07-59-58.files/protection-local/26_stack_cas.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 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/pthread-ext/26_stack_cas.i ./goblint.2024-08-08_07-59-58.files/protection-local/26_stack_cas.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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-23 16:07:52,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-23 16:07:52,576 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-23 16:07:52,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-23 16:07:52,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-23 16:07:52,614 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-23 16:07:52,614 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-23 16:07:52,615 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-23 16:07:52,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-23 16:07:52,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-23 16:07:52,616 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-23 16:07:52,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-23 16:07:52,617 INFO L153 SettingsManager]: * Use SBE=true [2024-08-23 16:07:52,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-23 16:07:52,618 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-23 16:07:52,618 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-23 16:07:52,618 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-23 16:07:52,621 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-23 16:07:52,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-23 16:07:52,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-23 16:07:52,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-23 16:07:52,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-23 16:07:52,627 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-23 16:07:52,627 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-23 16:07:52,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-23 16:07:52,628 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-23 16:07:52,628 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-23 16:07:52,628 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-23 16:07:52,628 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-23 16:07:52,629 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-23 16:07:52,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 16:07:52,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-23 16:07:52,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-23 16:07:52,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-23 16:07:52,630 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-23 16:07:52,633 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-23 16:07:52,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-23 16:07:52,634 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-23 16:07:52,634 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-23 16:07:52,634 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-23 16:07:52,634 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-23 16:07:52,636 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-23 16:07:52,636 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-23 16:07:52,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-23 16:07:52,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-23 16:07:52,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-23 16:07:52,898 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-23 16:07:52,901 INFO L274 PluginConnector]: CDTParser initialized [2024-08-23 16:07:52,903 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/26_stack_cas.i [2024-08-23 16:07:54,279 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-23 16:07:54,530 INFO L384 CDTParser]: Found 1 translation units. [2024-08-23 16:07:54,531 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas.i [2024-08-23 16:07:54,546 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fb7a6a448/37c1284d82ac4093b42c3e3a375477e7/FLAGd8fb1d192 [2024-08-23 16:07:54,570 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fb7a6a448/37c1284d82ac4093b42c3e3a375477e7 [2024-08-23 16:07:54,574 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-23 16:07:54,575 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-23 16:07:54,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-local/26_stack_cas.yml/witness.yml [2024-08-23 16:07:54,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-23 16:07:54,656 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-23 16:07:54,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-23 16:07:54,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-23 16:07:54,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-23 16:07:54,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 04:07:54" (1/2) ... [2024-08-23 16:07:54,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f63bf6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 04:07:54, skipping insertion in model container [2024-08-23 16:07:54,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 04:07:54" (1/2) ... [2024-08-23 16:07:54,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@de516bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 04:07:54, skipping insertion in model container [2024-08-23 16:07:54,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 04:07:54" (2/2) ... [2024-08-23 16:07:54,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f63bf6b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 04:07:54, skipping insertion in model container [2024-08-23 16:07:54,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 04:07:54" (2/2) ... [2024-08-23 16:07:54,669 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-23 16:07:54,675 INFO L92 edCorrectnessWitness]: Witness did not contain any usable entries. [2024-08-23 16:07:54,723 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-23 16:07:55,086 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas.i[31294,31307] [2024-08-23 16:07:55,103 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 16:07:55,117 INFO L202 MainTranslator]: Completed pre-run [2024-08-23 16:07:55,198 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas.i[31294,31307] [2024-08-23 16:07:55,204 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 16:07:55,251 INFO L206 MainTranslator]: Completed translation [2024-08-23 16:07:55,251 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 04:07:55 WrapperNode [2024-08-23 16:07:55,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-23 16:07:55,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-23 16:07:55,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-23 16:07:55,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-23 16:07:55,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 04:07:55" (1/1) ... [2024-08-23 16:07:55,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 04:07:55" (1/1) ... [2024-08-23 16:07:55,314 INFO L138 Inliner]: procedures = 179, calls = 46, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 188 [2024-08-23 16:07:55,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-23 16:07:55,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-23 16:07:55,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-23 16:07:55,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-23 16:07:55,327 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 04:07:55" (1/1) ... [2024-08-23 16:07:55,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 04:07:55" (1/1) ... [2024-08-23 16:07:55,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 04:07:55" (1/1) ... [2024-08-23 16:07:55,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 04:07:55" (1/1) ... [2024-08-23 16:07:55,346 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 04:07:55" (1/1) ... [2024-08-23 16:07:55,354 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 04:07:55" (1/1) ... [2024-08-23 16:07:55,360 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 04:07:55" (1/1) ... [2024-08-23 16:07:55,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 04:07:55" (1/1) ... [2024-08-23 16:07:55,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-23 16:07:55,373 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-23 16:07:55,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-23 16:07:55,373 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-23 16:07:55,374 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 04:07:55" (1/1) ... [2024-08-23 16:07:55,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 16:07:55,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:07:55,418 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) [2024-08-23 16:07:55,425 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 [2024-08-23 16:07:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-23 16:07:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-08-23 16:07:55,460 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-08-23 16:07:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-23 16:07:55,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-23 16:07:55,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-23 16:07:55,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-08-23 16:07:55,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-23 16:07:55,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-23 16:07:55,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-23 16:07:55,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-23 16:07:55,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-23 16:07:55,465 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-23 16:07:55,628 INFO L243 CfgBuilder]: Building ICFG [2024-08-23 16:07:55,631 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-23 16:07:55,947 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-23 16:07:55,947 INFO L292 CfgBuilder]: Performing block encoding [2024-08-23 16:07:56,198 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-23 16:07:56,200 INFO L319 CfgBuilder]: Removed 3 assume(true) statements. [2024-08-23 16:07:56,201 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 04:07:56 BoogieIcfgContainer [2024-08-23 16:07:56,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-23 16:07:56,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-23 16:07:56,206 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-23 16:07:56,209 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-23 16:07:56,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.08 04:07:54" (1/4) ... [2024-08-23 16:07:56,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49cf3311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 04:07:56, skipping insertion in model container [2024-08-23 16:07:56,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 04:07:54" (2/4) ... [2024-08-23 16:07:56,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49cf3311 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 04:07:56, skipping insertion in model container [2024-08-23 16:07:56,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 04:07:55" (3/4) ... [2024-08-23 16:07:56,212 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49cf3311 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 04:07:56, skipping insertion in model container [2024-08-23 16:07:56,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 04:07:56" (4/4) ... [2024-08-23 16:07:56,213 INFO L112 eAbstractionObserver]: Analyzing ICFG 26_stack_cas.i [2024-08-23 16:07:56,235 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-23 16:07:56,235 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-23 16:07:56,235 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-23 16:07:56,301 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-23 16:07:56,347 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 16:07:56,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 16:07:56,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:07:56,354 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) [2024-08-23 16:07:56,357 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 [2024-08-23 16:07:56,398 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 16:07:56,411 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2024-08-23 16:07:56,421 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;@7e76031, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 16:07:56,423 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-23 16:07:56,586 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:07:56,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:07:56,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1068284430, now seen corresponding path program 1 times [2024-08-23 16:07:56,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:07:56,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002224656] [2024-08-23 16:07:56,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:07:56,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:07:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:07:57,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 16:07:57,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:07:57,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002224656] [2024-08-23 16:07:57,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002224656] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 16:07:57,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 16:07:57,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-23 16:07:57,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073904053] [2024-08-23 16:07:57,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 16:07:57,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-23 16:07:57,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:07:57,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-23 16:07:57,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-23 16:07:57,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:07:57,094 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:07:57,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2024-08-23 16:07:57,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:07:57,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:07:57,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-23 16:07:57,160 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:07:57,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:07:57,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1732640034, now seen corresponding path program 1 times [2024-08-23 16:07:57,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:07:57,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784945356] [2024-08-23 16:07:57,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:07:57,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:07:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:07:57,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 16:07:57,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:07:57,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784945356] [2024-08-23 16:07:57,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784945356] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 16:07:57,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483663778] [2024-08-23 16:07:57,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:07:57,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:07:57,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:07:57,799 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) [2024-08-23 16:07:57,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-23 16:07:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:07:57,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 25 conjunts are in the unsatisfiable core [2024-08-23 16:07:57,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 16:07:58,100 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-08-23 16:07:58,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-08-23 16:07:58,295 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-08-23 16:07:58,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-08-23 16:07:58,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 16:07:58,386 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 16:07:58,555 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 16:07:58,556 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-08-23 16:07:58,564 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 33 treesize of output 25 [2024-08-23 16:07:58,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 16:07:58,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483663778] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 16:07:58,769 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 16:07:58,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 6] total 21 [2024-08-23 16:07:58,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801233516] [2024-08-23 16:07:58,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 16:07:58,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-08-23 16:07:58,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:07:58,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-08-23 16:07:58,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=431, Unknown=1, NotChecked=0, Total=506 [2024-08-23 16:07:58,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:07:58,774 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:07:58,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 3.090909090909091) internal successors, (68), 22 states have internal predecessors, (68), 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) [2024-08-23 16:07:58,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:07:58,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:07:59,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:07:59,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-08-23 16:07:59,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-23 16:08:00,061 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 [2024-08-23 16:08:00,061 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:00,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:00,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1189565365, now seen corresponding path program 1 times [2024-08-23 16:08:00,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:00,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211669599] [2024-08-23 16:08:00,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:00,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:00,326 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-08-23 16:08:00,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:00,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211669599] [2024-08-23 16:08:00,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211669599] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 16:08:00,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 16:08:00,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-23 16:08:00,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144298336] [2024-08-23 16:08:00,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 16:08:00,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-23 16:08:00,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:00,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-23 16:08:00,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-23 16:08:00,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:00,332 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:00,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 16:08:00,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:00,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-08-23 16:08:00,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:00,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:00,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-08-23 16:08:00,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:00,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-23 16:08:00,440 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:00,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:00,441 INFO L85 PathProgramCache]: Analyzing trace with hash -694505680, now seen corresponding path program 1 times [2024-08-23 16:08:00,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:00,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539524800] [2024-08-23 16:08:00,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:00,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:00,560 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 43 proven. 5 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-08-23 16:08:00,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:00,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539524800] [2024-08-23 16:08:00,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539524800] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 16:08:00,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295584375] [2024-08-23 16:08:00,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:00,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:08:00,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:08:00,564 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) [2024-08-23 16:08:00,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-23 16:08:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:00,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 2 conjunts are in the unsatisfiable core [2024-08-23 16:08:00,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 16:08:00,778 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-08-23 16:08:00,779 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 16:08:00,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295584375] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 16:08:00,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-23 16:08:00,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2024-08-23 16:08:00,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982911391] [2024-08-23 16:08:00,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 16:08:00,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-23 16:08:00,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:00,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-23 16:08:00,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-23 16:08:00,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:00,783 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:00,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2024-08-23 16:08:00,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:00,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-08-23 16:08:00,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:00,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:00,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:00,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-08-23 16:08:00,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:00,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:00,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-08-23 16:08:01,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:08:01,073 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:01,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:01,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1567204097, now seen corresponding path program 1 times [2024-08-23 16:08:01,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:01,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460292277] [2024-08-23 16:08:01,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:01,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:01,143 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 16:08:01,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:01,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460292277] [2024-08-23 16:08:01,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460292277] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 16:08:01,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203082528] [2024-08-23 16:08:01,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:01,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:08:01,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:08:01,147 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 16:08:01,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-23 16:08:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:01,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 3 conjunts are in the unsatisfiable core [2024-08-23 16:08:01,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 16:08:01,315 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 16:08:01,315 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 16:08:01,362 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 16:08:01,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203082528] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 16:08:01,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 16:08:01,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-08-23 16:08:01,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704523367] [2024-08-23 16:08:01,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 16:08:01,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-23 16:08:01,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:01,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-23 16:08:01,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-08-23 16:08:01,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:01,365 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:01,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 states have internal predecessors, (77), 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) [2024-08-23 16:08:01,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:01,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-08-23 16:08:01,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:01,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:01,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:01,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:01,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-08-23 16:08:01,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:01,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:01,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:01,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-08-23 16:08:01,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:08:01,653 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:01,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:01,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1738780614, now seen corresponding path program 1 times [2024-08-23 16:08:01,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:01,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362989295] [2024-08-23 16:08:01,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:01,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:02,388 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-08-23 16:08:02,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:02,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362989295] [2024-08-23 16:08:02,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362989295] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 16:08:02,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599223325] [2024-08-23 16:08:02,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:02,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:08:02,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:08:02,391 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) [2024-08-23 16:08:02,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-23 16:08:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:02,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 30 conjunts are in the unsatisfiable core [2024-08-23 16:08:02,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 16:08:02,870 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-08-23 16:08:02,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2024-08-23 16:08:03,026 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 16:08:03,027 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 16:08:03,333 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 16:08:03,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599223325] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 16:08:03,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 16:08:03,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 7] total 28 [2024-08-23 16:08:03,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988270023] [2024-08-23 16:08:03,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 16:08:03,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-08-23 16:08:03,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:03,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-08-23 16:08:03,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=770, Unknown=2, NotChecked=0, Total=870 [2024-08-23 16:08:03,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:03,336 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:03,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 5.172413793103448) internal successors, (150), 29 states have internal predecessors, (150), 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) [2024-08-23 16:08:03,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:03,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-08-23 16:08:03,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:03,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:03,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:03,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:05,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:05,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-08-23 16:08:05,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:05,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:05,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:05,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-08-23 16:08:05,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-08-23 16:08:05,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-08-23 16:08:05,545 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:05,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:05,546 INFO L85 PathProgramCache]: Analyzing trace with hash -655296777, now seen corresponding path program 2 times [2024-08-23 16:08:05,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:05,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823958378] [2024-08-23 16:08:05,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:05,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:05,788 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-08-23 16:08:05,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:05,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823958378] [2024-08-23 16:08:05,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823958378] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 16:08:05,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 16:08:05,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-23 16:08:05,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055672356] [2024-08-23 16:08:05,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 16:08:05,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 16:08:05,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:05,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 16:08:05,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-23 16:08:05,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:05,791 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:05,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 16:08:05,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:05,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-08-23 16:08:05,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:05,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:05,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:05,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-08-23 16:08:05,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:06,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:06,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-08-23 16:08:06,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:06,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:06,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:06,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-08-23 16:08:07,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:07,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-23 16:08:07,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-08-23 16:08:07,007 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-08-23 16:08:07,008 INFO L308 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/2) [2024-08-23 16:08:07,013 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 16:08:07,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 16:08:07,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:08:07,015 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-23 16:08:07,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2024-08-23 16:08:07,021 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 16:08:07,021 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-23 16:08:07,022 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;@7e76031, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 16:08:07,022 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-23 16:08:07,076 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 16:08:07,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:07,077 INFO L85 PathProgramCache]: Analyzing trace with hash -319980758, now seen corresponding path program 1 times [2024-08-23 16:08:07,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:07,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581974228] [2024-08-23 16:08:07,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:07,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:07,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 16:08:07,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:07,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581974228] [2024-08-23 16:08:07,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581974228] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 16:08:07,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 16:08:07,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-23 16:08:07,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570432093] [2024-08-23 16:08:07,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 16:08:07,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-23 16:08:07,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:07,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-23 16:08:07,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-23 16:08:07,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:07,129 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:07,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-08-23 16:08:07,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:07,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:07,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-08-23 16:08:07,154 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 16:08:07,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:07,155 INFO L85 PathProgramCache]: Analyzing trace with hash 19260438, now seen corresponding path program 1 times [2024-08-23 16:08:07,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:07,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914548311] [2024-08-23 16:08:07,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:07,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-23 16:08:07,168 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-23 16:08:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-23 16:08:07,195 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-23 16:08:07,196 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-23 16:08:07,196 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-08-23 16:08:07,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-08-23 16:08:07,198 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-08-23 16:08:07,199 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2024-08-23 16:08:07,199 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-08-23 16:08:07,200 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-08-23 16:08:07,233 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-23 16:08:07,235 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 16:08:07,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 16:08:07,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:08:07,238 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) [2024-08-23 16:08:07,239 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 [2024-08-23 16:08:07,242 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 16:08:07,242 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-23 16:08:07,244 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;@7e76031, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 16:08:07,244 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-23 16:08:07,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 16:08:07,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:07,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1591718515, now seen corresponding path program 1 times [2024-08-23 16:08:07,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:07,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536615003] [2024-08-23 16:08:07,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:07,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:07,556 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-23 16:08:07,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:07,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536615003] [2024-08-23 16:08:07,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536615003] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 16:08:07,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 16:08:07,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-23 16:08:07,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531982069] [2024-08-23 16:08:07,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 16:08:07,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-23 16:08:07,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:07,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-23 16:08:07,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-23 16:08:07,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:07,558 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:07,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 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) [2024-08-23 16:08:07,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:07,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:07,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-08-23 16:08:07,611 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 16:08:07,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:07,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1419039742, now seen corresponding path program 1 times [2024-08-23 16:08:07,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:07,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509428799] [2024-08-23 16:08:07,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:07,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:07,705 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-23 16:08:07,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:07,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509428799] [2024-08-23 16:08:07,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509428799] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 16:08:07,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 16:08:07,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-23 16:08:07,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644410125] [2024-08-23 16:08:07,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 16:08:07,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-23 16:08:07,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:07,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-23 16:08:07,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-23 16:08:07,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:07,707 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:07,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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) [2024-08-23 16:08:07,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:07,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:07,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:07,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:07,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-08-23 16:08:07,845 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 16:08:07,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:07,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1031007873, now seen corresponding path program 1 times [2024-08-23 16:08:07,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:07,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153433894] [2024-08-23 16:08:07,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:07,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:07,909 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 16:08:07,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:07,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153433894] [2024-08-23 16:08:07,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153433894] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 16:08:07,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302462913] [2024-08-23 16:08:07,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:07,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:08:07,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:08:07,913 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) [2024-08-23 16:08:07,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-08-23 16:08:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:08,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 3 conjunts are in the unsatisfiable core [2024-08-23 16:08:08,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 16:08:08,110 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 16:08:08,110 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 16:08:08,159 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 16:08:08,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302462913] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 16:08:08,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 16:08:08,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-08-23 16:08:08,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022085626] [2024-08-23 16:08:08,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 16:08:08,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-23 16:08:08,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:08,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-23 16:08:08,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-08-23 16:08:08,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:08,161 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:08,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 6 states have internal predecessors, (91), 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) [2024-08-23 16:08:08,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:08,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:08,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:08,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:08,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:08,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:08,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-08-23 16:08:08,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:08:08,429 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 16:08:08,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:08,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1797439424, now seen corresponding path program 1 times [2024-08-23 16:08:08,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:08,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401579097] [2024-08-23 16:08:08,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:08,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:08,808 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 16:08:08,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:08,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401579097] [2024-08-23 16:08:08,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401579097] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 16:08:08,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925482784] [2024-08-23 16:08:08,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:08,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:08:08,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:08:08,811 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) [2024-08-23 16:08:08,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-08-23 16:08:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:08,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 34 conjunts are in the unsatisfiable core [2024-08-23 16:08:08,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 16:08:09,061 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-08-23 16:08:09,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-08-23 16:08:09,203 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-08-23 16:08:09,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-08-23 16:08:09,274 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 16:08:09,274 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 16:08:09,401 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 16:08:09,401 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-08-23 16:08:09,404 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 33 treesize of output 25 [2024-08-23 16:08:09,598 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 16:08:09,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925482784] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 16:08:09,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 16:08:09,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 26 [2024-08-23 16:08:09,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408465310] [2024-08-23 16:08:09,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 16:08:09,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-08-23 16:08:09,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:09,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-08-23 16:08:09,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=572, Unknown=4, NotChecked=0, Total=702 [2024-08-23 16:08:09,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:09,600 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:09,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.814814814814815) internal successors, (103), 26 states have internal predecessors, (103), 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) [2024-08-23 16:08:09,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:09,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:09,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:09,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:10,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:10,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:10,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:10,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 16:08:10,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-08-23 16:08:10,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:08:10,223 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 16:08:10,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:10,224 INFO L85 PathProgramCache]: Analyzing trace with hash -10015039, now seen corresponding path program 1 times [2024-08-23 16:08:10,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:10,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357633300] [2024-08-23 16:08:10,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:10,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-23 16:08:10,260 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-23 16:08:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-23 16:08:10,312 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-23 16:08:10,312 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-23 16:08:10,313 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-08-23 16:08:10,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-08-23 16:08:10,316 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-08-23 16:08:10,316 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2024-08-23 16:08:10,317 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-08-23 16:08:10,317 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-08-23 16:08:10,370 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-23 16:08:10,373 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 16:08:10,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 16:08:10,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:08:10,374 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-23 16:08:10,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Waiting until timeout for monitored process [2024-08-23 16:08:10,377 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 16:08:10,378 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2024-08-23 16:08:10,378 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;@7e76031, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 16:08:10,378 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-23 16:08:11,012 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:11,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:11,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1207408035, now seen corresponding path program 1 times [2024-08-23 16:08:11,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:11,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041052582] [2024-08-23 16:08:11,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:11,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:11,136 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-08-23 16:08:11,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:11,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041052582] [2024-08-23 16:08:11,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041052582] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 16:08:11,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 16:08:11,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-23 16:08:11,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115749846] [2024-08-23 16:08:11,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 16:08:11,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-23 16:08:11,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:11,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-23 16:08:11,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-23 16:08:11,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:11,139 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:11,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 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) [2024-08-23 16:08:11,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:11,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:11,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-08-23 16:08:11,229 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:11,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:11,230 INFO L85 PathProgramCache]: Analyzing trace with hash -96308268, now seen corresponding path program 1 times [2024-08-23 16:08:11,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:11,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372156773] [2024-08-23 16:08:11,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:11,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:11,381 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-08-23 16:08:11,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:11,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372156773] [2024-08-23 16:08:11,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372156773] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 16:08:11,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 16:08:11,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-23 16:08:11,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935577888] [2024-08-23 16:08:11,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 16:08:11,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-23 16:08:11,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:11,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-23 16:08:11,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-23 16:08:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:11,385 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:11,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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) [2024-08-23 16:08:11,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:11,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:11,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:11,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:11,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-08-23 16:08:11,605 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:11,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:11,605 INFO L85 PathProgramCache]: Analyzing trace with hash 808068721, now seen corresponding path program 1 times [2024-08-23 16:08:11,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:11,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985491347] [2024-08-23 16:08:11,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:11,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:11,694 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-08-23 16:08:11,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:11,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985491347] [2024-08-23 16:08:11,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985491347] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 16:08:11,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920776289] [2024-08-23 16:08:11,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:11,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:08:11,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:08:11,697 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) [2024-08-23 16:08:11,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-08-23 16:08:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:11,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 3 conjunts are in the unsatisfiable core [2024-08-23 16:08:11,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 16:08:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-08-23 16:08:11,973 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 16:08:12,023 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-08-23 16:08:12,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920776289] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 16:08:12,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 16:08:12,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-08-23 16:08:12,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18936491] [2024-08-23 16:08:12,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 16:08:12,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-23 16:08:12,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:12,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-23 16:08:12,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-08-23 16:08:12,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:12,025 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:12,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 6 states have internal predecessors, (120), 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) [2024-08-23 16:08:12,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:12,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:12,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:12,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:12,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:12,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-08-23 16:08:12,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-08-23 16:08:12,400 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:12,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:12,401 INFO L85 PathProgramCache]: Analyzing trace with hash 2080350303, now seen corresponding path program 1 times [2024-08-23 16:08:12,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:12,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245361005] [2024-08-23 16:08:12,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:12,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:12,531 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-08-23 16:08:12,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:12,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245361005] [2024-08-23 16:08:12,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245361005] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 16:08:12,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 16:08:12,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-23 16:08:12,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349815357] [2024-08-23 16:08:12,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 16:08:12,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-23 16:08:12,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:12,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-23 16:08:12,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-23 16:08:12,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:12,534 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:12,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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) [2024-08-23 16:08:12,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:12,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:12,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:12,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:12,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-08-23 16:08:12,734 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:12,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:12,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1384303843, now seen corresponding path program 1 times [2024-08-23 16:08:12,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:12,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356844689] [2024-08-23 16:08:12,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:12,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:13,308 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-23 16:08:13,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:13,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356844689] [2024-08-23 16:08:13,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356844689] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 16:08:13,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61328385] [2024-08-23 16:08:13,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:13,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:08:13,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:08:13,311 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) [2024-08-23 16:08:13,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-08-23 16:08:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:13,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 55 conjunts are in the unsatisfiable core [2024-08-23 16:08:13,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 16:08:14,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 16:08:14,118 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-08-23 16:08:14,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 27 [2024-08-23 16:08:14,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 16:08:14,207 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-08-23 16:08:14,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 31 [2024-08-23 16:08:14,429 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-08-23 16:08:14,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 35 [2024-08-23 16:08:14,444 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-08-23 16:08:14,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 26 [2024-08-23 16:08:14,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 9 [2024-08-23 16:08:14,537 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 16:08:14,537 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 16:08:14,743 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_8 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |c_~#top~0.base| (store (select |c_#memory_int| |c_~#top~0.base|) |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_index_malloc_~curr_alloc_idx~0#1|)) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_8) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) is different from false [2024-08-23 16:08:14,750 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_8 (Array Int Int)) (v_ArrVal_1272 (Array Int Int))) (not (= (select (select (store (let ((.cse0 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1272))) (store .cse0 |c_~#top~0.base| (store (select .cse0 |c_~#top~0.base|) |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_index_malloc_~curr_alloc_idx~0#1|))) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_8) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) is different from false [2024-08-23 16:08:14,757 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_8 (Array Int Int)) (v_ArrVal_1272 (Array Int Int))) (not (= (select (select (store (let ((.cse0 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1272))) (store .cse0 |c_~#top~0.base| (store (select .cse0 |c_~#top~0.base|) |c_~#top~0.offset| c_~next_alloc_idx~0))) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_8) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) is different from false [2024-08-23 16:08:14,831 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-08-23 16:08:14,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 68 [2024-08-23 16:08:14,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 50 treesize of output 46 [2024-08-23 16:08:15,189 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 16:08:15,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61328385] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 16:08:15,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 16:08:15,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 18, 14] total 41 [2024-08-23 16:08:15,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668964072] [2024-08-23 16:08:15,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 16:08:15,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-08-23 16:08:15,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:15,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-08-23 16:08:15,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=1305, Unknown=7, NotChecked=228, Total=1722 [2024-08-23 16:08:15,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:15,192 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:15,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 5.119047619047619) internal successors, (215), 41 states have internal predecessors, (215), 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) [2024-08-23 16:08:15,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:15,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:15,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:15,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:15,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:16,907 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_~#top~0.offset| 0)) (.cse1 (= c_~next_alloc_idx~0 0))) (and (or (and .cse0 (not (= (+ c_~next_alloc_idx~0 4) 0))) .cse1) .cse0 (not (= (+ c_~next_alloc_idx~0 2) 0)) (not .cse1) (forall ((v_DerPreprocessor_8 (Array Int Int)) (v_ArrVal_1272 (Array Int Int))) (not (= (select (select (store (let ((.cse2 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1272))) (store .cse2 |c_~#top~0.base| (store (select .cse2 |c_~#top~0.base|) |c_~#top~0.offset| c_~next_alloc_idx~0))) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_8) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (forall ((|v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_21| Int) (v_DerPreprocessor_8 (Array Int Int)) (v_ArrVal_1272 (Array Int Int))) (or (not (= (select (select (store (let ((.cse3 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1272))) (store .cse3 |c_~#top~0.base| (store (select .cse3 |c_~#top~0.base|) |c_~#top~0.offset| c_~next_alloc_idx~0))) |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_21| v_DerPreprocessor_8) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (+ (select (select |c_#memory_int| |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_21|) 0) 1) 0)))))) is different from false [2024-08-23 16:08:16,937 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_~#top~0.offset| 0)) (.cse1 (= c_~next_alloc_idx~0 0))) (and (or (and .cse0 (not (= (+ c_~next_alloc_idx~0 4) 0))) .cse1) .cse0 (forall ((v_DerPreprocessor_8 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |c_~#top~0.base| (store (select |c_#memory_int| |c_~#top~0.base|) |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_8) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (not (= (+ c_~next_alloc_idx~0 2) 0)) (not .cse1) (forall ((|v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_21| Int) (v_DerPreprocessor_8 (Array Int Int)) (v_ArrVal_1272 (Array Int Int))) (or (not (= (select (select (store (let ((.cse2 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_1272))) (store .cse2 |c_~#top~0.base| (store (select .cse2 |c_~#top~0.base|) |c_~#top~0.offset| c_~next_alloc_idx~0))) |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_21| v_DerPreprocessor_8) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (+ (select (select |c_#memory_int| |v_thr1Thread3of3ForFork0_push_~#casret~0#1.base_21|) 0) 1) 0)))))) is different from false [2024-08-23 16:08:17,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:17,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:17,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:17,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:17,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-08-23 16:08:17,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-08-23 16:08:17,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:08:17,449 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:17,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:17,450 INFO L85 PathProgramCache]: Analyzing trace with hash 203578313, now seen corresponding path program 1 times [2024-08-23 16:08:17,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:17,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968096421] [2024-08-23 16:08:17,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:17,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:18,108 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 16:08:18,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:18,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968096421] [2024-08-23 16:08:18,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968096421] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 16:08:18,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413245182] [2024-08-23 16:08:18,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:18,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:08:18,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:08:18,110 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) [2024-08-23 16:08:18,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-08-23 16:08:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:18,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 50 conjunts are in the unsatisfiable core [2024-08-23 16:08:18,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 16:08:18,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 16:08:18,747 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-08-23 16:08:18,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 27 [2024-08-23 16:08:18,802 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-08-23 16:08:18,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 17 [2024-08-23 16:08:18,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-08-23 16:08:18,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-08-23 16:08:19,097 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-23 16:08:19,098 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 16:08:19,234 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 16:08:19,235 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-08-23 16:08:19,236 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 33 treesize of output 25 [2024-08-23 16:08:19,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 4 [2024-08-23 16:08:19,350 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-08-23 16:08:19,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 14 [2024-08-23 16:08:19,545 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-23 16:08:19,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413245182] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 16:08:19,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 16:08:19,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16, 13] total 40 [2024-08-23 16:08:19,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300315084] [2024-08-23 16:08:19,546 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 16:08:19,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-08-23 16:08:19,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:19,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-08-23 16:08:19,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=1372, Unknown=7, NotChecked=0, Total=1640 [2024-08-23 16:08:19,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:19,550 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:19,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 5.902439024390244) internal successors, (242), 40 states have internal predecessors, (242), 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) [2024-08-23 16:08:19,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:19,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:19,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:19,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:19,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-08-23 16:08:19,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:23,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:23,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:23,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:23,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:23,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-08-23 16:08:23,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-08-23 16:08:23,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-08-23 16:08:23,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:08:23,330 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:23,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:23,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1490730910, now seen corresponding path program 1 times [2024-08-23 16:08:23,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:23,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700375283] [2024-08-23 16:08:23,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:23,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:23,466 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-08-23 16:08:23,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:23,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700375283] [2024-08-23 16:08:23,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700375283] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 16:08:23,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 16:08:23,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-23 16:08:23,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93396120] [2024-08-23 16:08:23,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 16:08:23,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 16:08:23,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:23,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 16:08:23,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-23 16:08:23,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:23,468 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:23,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 16:08:23,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:23,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:23,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:23,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:23,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-08-23 16:08:23,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-08-23 16:08:23,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:23,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:23,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:23,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:23,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:23,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-08-23 16:08:23,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-08-23 16:08:23,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:23,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-08-23 16:08:23,739 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:23,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:23,739 INFO L85 PathProgramCache]: Analyzing trace with hash 846172775, now seen corresponding path program 1 times [2024-08-23 16:08:23,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:23,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765405338] [2024-08-23 16:08:23,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:23,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:23,913 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-08-23 16:08:23,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:23,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765405338] [2024-08-23 16:08:23,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765405338] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 16:08:23,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 16:08:23,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-23 16:08:23,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612191584] [2024-08-23 16:08:23,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 16:08:23,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 16:08:23,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:23,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 16:08:23,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-23 16:08:23,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:23,916 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:23,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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) [2024-08-23 16:08:23,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:23,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:23,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:23,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:23,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-08-23 16:08:23,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-08-23 16:08:23,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:23,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:24,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:24,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:24,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:24,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:24,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-08-23 16:08:24,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-08-23 16:08:24,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:24,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:24,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-08-23 16:08:24,316 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:24,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:24,317 INFO L85 PathProgramCache]: Analyzing trace with hash 665326953, now seen corresponding path program 1 times [2024-08-23 16:08:24,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:24,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269573204] [2024-08-23 16:08:24,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:24,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:24,549 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-08-23 16:08:24,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:24,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269573204] [2024-08-23 16:08:24,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269573204] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 16:08:24,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 16:08:24,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-23 16:08:24,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622653187] [2024-08-23 16:08:24,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 16:08:24,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-23 16:08:24,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:24,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-23 16:08:24,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-23 16:08:24,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:24,550 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:24,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 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) [2024-08-23 16:08:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-08-23 16:08:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-08-23 16:08:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:24,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:24,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:24,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:24,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:24,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:24,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-08-23 16:08:24,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-08-23 16:08:24,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:24,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:24,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:24,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-08-23 16:08:24,701 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:24,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:24,702 INFO L85 PathProgramCache]: Analyzing trace with hash -961281688, now seen corresponding path program 1 times [2024-08-23 16:08:24,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:24,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078828140] [2024-08-23 16:08:24,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:24,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:24,858 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 16:08:24,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:24,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078828140] [2024-08-23 16:08:24,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078828140] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 16:08:24,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569082886] [2024-08-23 16:08:24,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:24,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:08:24,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:08:24,861 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) [2024-08-23 16:08:24,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-08-23 16:08:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:25,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 6 conjunts are in the unsatisfiable core [2024-08-23 16:08:25,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 16:08:25,213 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 16:08:25,213 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 16:08:25,308 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 16:08:25,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569082886] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 16:08:25,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 16:08:25,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-08-23 16:08:25,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214519979] [2024-08-23 16:08:25,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 16:08:25,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-08-23 16:08:25,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:25,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-08-23 16:08:25,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-08-23 16:08:25,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:25,310 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:25,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 14.538461538461538) internal successors, (189), 12 states have internal predecessors, (189), 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) [2024-08-23 16:08:25,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:25,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:25,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:25,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:25,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-08-23 16:08:25,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-08-23 16:08:25,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:25,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:25,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:25,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-08-23 16:08:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-08-23 16:08:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:25,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-23 16:08:25,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-08-23 16:08:25,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:08:25,760 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:25,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:25,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1584151567, now seen corresponding path program 1 times [2024-08-23 16:08:25,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:25,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238489635] [2024-08-23 16:08:25,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:25,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:26,439 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-23 16:08:26,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:26,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238489635] [2024-08-23 16:08:26,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238489635] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 16:08:26,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569675987] [2024-08-23 16:08:26,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:26,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:08:26,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:08:26,441 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) [2024-08-23 16:08:26,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-08-23 16:08:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:26,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 34 conjunts are in the unsatisfiable core [2024-08-23 16:08:26,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 16:08:26,929 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 11 treesize of output 7 [2024-08-23 16:08:26,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2024-08-23 16:08:27,050 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-23 16:08:27,050 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 16:08:27,284 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-08-23 16:08:27,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569675987] provided 1 perfect and 1 imperfect interpolant sequences [2024-08-23 16:08:27,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-08-23 16:08:27,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11, 11] total 27 [2024-08-23 16:08:27,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072906445] [2024-08-23 16:08:27,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 16:08:27,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-23 16:08:27,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:27,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-23 16:08:27,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=626, Unknown=6, NotChecked=0, Total=756 [2024-08-23 16:08:27,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:27,287 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:27,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 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) [2024-08-23 16:08:27,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:27,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:27,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:27,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:27,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-08-23 16:08:27,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-08-23 16:08:27,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:27,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:27,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:27,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-23 16:08:27,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:28,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:28,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:28,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:28,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:28,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-08-23 16:08:28,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-08-23 16:08:28,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:28,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:28,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:28,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 16:08:28,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-23 16:08:28,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-08-23 16:08:28,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:08:28,775 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:28,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:28,775 INFO L85 PathProgramCache]: Analyzing trace with hash -364008984, now seen corresponding path program 1 times [2024-08-23 16:08:28,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:28,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175356070] [2024-08-23 16:08:28,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:28,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:28,940 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-08-23 16:08:28,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:28,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175356070] [2024-08-23 16:08:28,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175356070] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 16:08:28,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 16:08:28,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-23 16:08:28,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245979821] [2024-08-23 16:08:28,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 16:08:28,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-23 16:08:28,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:28,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-23 16:08:28,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-23 16:08:28,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:28,943 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:28,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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) [2024-08-23 16:08:28,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:28,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:28,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:28,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:28,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-08-23 16:08:28,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-08-23 16:08:28,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:28,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:28,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:28,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 16:08:28,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-23 16:08:28,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:29,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:29,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:29,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:29,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:29,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-08-23 16:08:29,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-08-23 16:08:29,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:29,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:29,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:29,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 16:08:29,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-23 16:08:29,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:29,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-08-23 16:08:29,110 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:29,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:29,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1914408705, now seen corresponding path program 2 times [2024-08-23 16:08:29,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:29,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001275115] [2024-08-23 16:08:29,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:29,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:29,661 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 182 proven. 185 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-08-23 16:08:29,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:29,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001275115] [2024-08-23 16:08:29,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001275115] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 16:08:29,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60725234] [2024-08-23 16:08:29,662 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-23 16:08:29,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:08:29,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:08:29,665 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) [2024-08-23 16:08:29,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-08-23 16:08:30,094 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-23 16:08:30,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 16:08:30,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 1328 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-23 16:08:30,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 16:08:30,258 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 182 proven. 185 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-08-23 16:08:30,258 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 16:08:30,568 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 182 proven. 185 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-08-23 16:08:30,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60725234] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 16:08:30,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 16:08:30,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2024-08-23 16:08:30,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319417526] [2024-08-23 16:08:30,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 16:08:30,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-08-23 16:08:30,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:30,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-08-23 16:08:30,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-08-23 16:08:30,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:30,572 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:30,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 14.72) internal successors, (368), 24 states have internal predecessors, (368), 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) [2024-08-23 16:08:30,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:30,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:30,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:30,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:30,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-08-23 16:08:30,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-08-23 16:08:30,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:30,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:30,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:30,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 16:08:30,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-23 16:08:30,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:30,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:31,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:31,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:31,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:31,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:31,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-08-23 16:08:31,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-08-23 16:08:31,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:31,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:31,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:31,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 16:08:31,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-23 16:08:31,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:31,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-08-23 16:08:31,171 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-08-23 16:08:31,351 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,SelfDestructingSolverStorable26 [2024-08-23 16:08:31,351 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:31,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:31,352 INFO L85 PathProgramCache]: Analyzing trace with hash 777957671, now seen corresponding path program 3 times [2024-08-23 16:08:31,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:31,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147035718] [2024-08-23 16:08:31,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:31,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:32,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1767 backedges. 464 proven. 1247 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-08-23 16:08:32,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:32,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147035718] [2024-08-23 16:08:32,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147035718] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 16:08:32,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668431637] [2024-08-23 16:08:32,813 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-23 16:08:32,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:08:32,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:08:32,815 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) [2024-08-23 16:08:32,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-08-23 16:08:33,251 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-08-23 16:08:33,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 16:08:33,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 29 conjunts are in the unsatisfiable core [2024-08-23 16:08:33,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 16:08:33,556 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 11 treesize of output 7 [2024-08-23 16:08:33,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2024-08-23 16:08:33,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1767 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 1534 trivial. 0 not checked. [2024-08-23 16:08:33,715 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 16:08:33,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668431637] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 16:08:33,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-23 16:08:33,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [24] total 34 [2024-08-23 16:08:33,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342381317] [2024-08-23 16:08:33,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 16:08:33,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-08-23 16:08:33,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:33,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-08-23 16:08:33,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=851, Unknown=0, NotChecked=0, Total=1190 [2024-08-23 16:08:33,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:33,720 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:33,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 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) [2024-08-23 16:08:33,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:33,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:33,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:33,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:33,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-08-23 16:08:33,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-08-23 16:08:33,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:33,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:33,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:33,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 16:08:33,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-23 16:08:33,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:33,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-08-23 16:08:33,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:38,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:38,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:38,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:38,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:38,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-08-23 16:08:38,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-08-23 16:08:38,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:38,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:38,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:38,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 16:08:38,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 16:08:38,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:38,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-08-23 16:08:38,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-23 16:08:38,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-08-23 16:08:38,551 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,SelfDestructingSolverStorable27 [2024-08-23 16:08:38,551 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:38,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:38,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1650744472, now seen corresponding path program 1 times [2024-08-23 16:08:38,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:38,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602908110] [2024-08-23 16:08:38,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:38,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:39,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2893 backedges. 1361 proven. 0 refuted. 0 times theorem prover too weak. 1532 trivial. 0 not checked. [2024-08-23 16:08:39,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:39,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602908110] [2024-08-23 16:08:39,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602908110] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 16:08:39,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 16:08:39,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-23 16:08:39,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087723996] [2024-08-23 16:08:39,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 16:08:39,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 16:08:39,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:39,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 16:08:39,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-23 16:08:39,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:39,039 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:39,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 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) [2024-08-23 16:08:39,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:39,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:39,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:39,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:39,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-08-23 16:08:39,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-08-23 16:08:39,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:39,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:39,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:39,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 16:08:39,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-23 16:08:39,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:39,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-08-23 16:08:39,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-23 16:08:39,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:40,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:40,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:40,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:40,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:40,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-08-23 16:08:40,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-08-23 16:08:40,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:40,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:40,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:40,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 16:08:40,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 16:08:40,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:40,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-08-23 16:08:40,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-23 16:08:40,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:40,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-08-23 16:08:40,373 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:40,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:40,374 INFO L85 PathProgramCache]: Analyzing trace with hash 595291325, now seen corresponding path program 1 times [2024-08-23 16:08:40,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:40,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519664178] [2024-08-23 16:08:40,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:40,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:41,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2028 backedges. 703 proven. 0 refuted. 0 times theorem prover too weak. 1325 trivial. 0 not checked. [2024-08-23 16:08:41,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:41,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519664178] [2024-08-23 16:08:41,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519664178] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 16:08:41,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 16:08:41,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-23 16:08:41,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985448831] [2024-08-23 16:08:41,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 16:08:41,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 16:08:41,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:41,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 16:08:41,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-23 16:08:41,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:41,114 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:41,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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) [2024-08-23 16:08:41,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:41,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:41,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:41,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:41,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-08-23 16:08:41,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-08-23 16:08:41,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:41,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:41,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:41,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 16:08:41,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-23 16:08:41,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:41,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-08-23 16:08:41,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-23 16:08:41,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:41,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:42,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:42,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:42,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:42,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:42,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-08-23 16:08:42,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-08-23 16:08:42,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:42,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:42,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:42,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 16:08:42,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 16:08:42,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:42,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-08-23 16:08:42,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-23 16:08:42,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:42,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:42,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-08-23 16:08:42,222 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:42,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:42,222 INFO L85 PathProgramCache]: Analyzing trace with hash -305599613, now seen corresponding path program 1 times [2024-08-23 16:08:42,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:42,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950705313] [2024-08-23 16:08:42,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:42,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:43,016 INFO L134 CoverageAnalysis]: Checked inductivity of 3173 backedges. 1170 proven. 0 refuted. 0 times theorem prover too weak. 2003 trivial. 0 not checked. [2024-08-23 16:08:43,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:43,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950705313] [2024-08-23 16:08:43,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950705313] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 16:08:43,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 16:08:43,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-23 16:08:43,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182011955] [2024-08-23 16:08:43,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 16:08:43,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-23 16:08:43,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:43,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-23 16:08:43,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-23 16:08:43,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:43,018 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:43,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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) [2024-08-23 16:08:43,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:43,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:43,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:43,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:43,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-08-23 16:08:43,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-08-23 16:08:43,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:43,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:43,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:43,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 16:08:43,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-23 16:08:43,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:43,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-08-23 16:08:43,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-23 16:08:43,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:43,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:43,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:43,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-08-23 16:08:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-08-23 16:08:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 16:08:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 16:08:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-08-23 16:08:43,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-23 16:08:43,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:43,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:43,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:43,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-08-23 16:08:43,238 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:43,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:43,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1751809704, now seen corresponding path program 1 times [2024-08-23 16:08:43,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:43,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392526199] [2024-08-23 16:08:43,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:43,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:44,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2207 backedges. 885 proven. 968 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2024-08-23 16:08:44,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:44,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392526199] [2024-08-23 16:08:44,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392526199] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 16:08:44,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145961204] [2024-08-23 16:08:44,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:44,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:08:44,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:08:44,611 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) [2024-08-23 16:08:44,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-08-23 16:08:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:45,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 2865 conjuncts, 24 conjunts are in the unsatisfiable core [2024-08-23 16:08:45,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 16:08:45,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2207 backedges. 885 proven. 968 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2024-08-23 16:08:45,848 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 16:08:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2207 backedges. 885 proven. 968 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2024-08-23 16:08:46,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145961204] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 16:08:46,486 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 16:08:46,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 48 [2024-08-23 16:08:46,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040534984] [2024-08-23 16:08:46,487 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 16:08:46,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-08-23 16:08:46,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:46,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-08-23 16:08:46,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2024-08-23 16:08:46,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:46,490 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:46,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 14.571428571428571) internal successors, (714), 48 states have internal predecessors, (714), 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) [2024-08-23 16:08:46,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:46,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:46,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:46,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:46,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-08-23 16:08:46,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-08-23 16:08:46,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:46,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:46,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:46,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 16:08:46,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-23 16:08:46,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:46,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-08-23 16:08:46,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-23 16:08:46,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:46,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:46,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:46,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:47,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:47,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:47,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:47,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:47,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-08-23 16:08:47,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-08-23 16:08:47,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:47,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:47,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:47,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 16:08:47,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 16:08:47,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:47,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-08-23 16:08:47,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-23 16:08:47,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:47,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:47,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:47,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-08-23 16:08:47,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-08-23 16:08:48,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-08-23 16:08:48,148 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:08:48,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:08:48,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1055489753, now seen corresponding path program 1 times [2024-08-23 16:08:48,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:08:48,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489852237] [2024-08-23 16:08:48,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:48,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:08:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:53,862 INFO L134 CoverageAnalysis]: Checked inductivity of 3297 backedges. 15 proven. 559 refuted. 0 times theorem prover too weak. 2723 trivial. 0 not checked. [2024-08-23 16:08:53,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:08:53,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489852237] [2024-08-23 16:08:53,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489852237] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 16:08:53,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997734154] [2024-08-23 16:08:53,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:08:53,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:08:53,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:08:53,864 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) [2024-08-23 16:08:53,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-08-23 16:08:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:08:54,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 3446 conjuncts, 23 conjunts are in the unsatisfiable core [2024-08-23 16:08:54,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 16:08:57,181 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 11 treesize of output 7 [2024-08-23 16:08:57,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2024-08-23 16:08:57,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 16:08:57,241 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-08-23 16:08:57,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 33 [2024-08-23 16:08:57,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 16:08:57,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-08-23 16:08:57,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 16:08:57,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-08-23 16:08:57,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 16:08:57,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-08-23 16:08:57,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3297 backedges. 446 proven. 104 refuted. 0 times theorem prover too weak. 2747 trivial. 0 not checked. [2024-08-23 16:08:57,408 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 16:08:57,435 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_7244 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_7244) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) is different from false [2024-08-23 16:08:57,473 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse0 (= (select .cse2 |c_~#top~0.offset|) |c_thr1Thread3of3ForFork0_push_~oldTop~0#1|))) (and (or (not .cse0) (forall ((v_ArrVal_7244 (Array Int Int)) (|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int)) (not (= (select (select (store (let ((.cse1 (store |c_#memory_int| |c_~#top~0.base| (store .cse2 |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)))) (store .cse1 |thr1Thread3of3ForFork0_push_~#casret~0#1.base| (store (select .cse1 |thr1Thread3of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 1))) |c_~#m~0.base| v_ArrVal_7244) |c_~#top~0.base|) |c_~#top~0.offset|) 0)))) (or .cse0 (forall ((v_ArrVal_7244 (Array Int Int)) (v_DerPreprocessor_15 (Array Int Int)) (|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int)) (not (= (select (select (store (store |c_#memory_int| |thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_15) |c_~#m~0.base| v_ArrVal_7244) |c_~#top~0.base|) |c_~#top~0.offset|) 0))))))) is different from false [2024-08-23 16:08:57,509 INFO L349 Elim1Store]: treesize reduction 15, result has 64.3 percent of original size [2024-08-23 16:08:57,509 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 38 [2024-08-23 16:08:57,515 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 16:08:57,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 50 [2024-08-23 16:08:57,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 20 treesize of output 18 [2024-08-23 16:08:58,117 INFO L134 CoverageAnalysis]: Checked inductivity of 3297 backedges. 221 proven. 92 refuted. 0 times theorem prover too weak. 2793 trivial. 191 not checked. [2024-08-23 16:08:58,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997734154] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 16:08:58,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 16:08:58,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 5] total 27 [2024-08-23 16:08:58,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592929209] [2024-08-23 16:08:58,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 16:08:58,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-08-23 16:08:58,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:08:58,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-08-23 16:08:58,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=572, Unknown=2, NotChecked=102, Total=812 [2024-08-23 16:08:58,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:08:58,125 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:08:58,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 13.714285714285714) internal successors, (384), 28 states have internal predecessors, (384), 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) [2024-08-23 16:08:58,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:58,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:58,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:58,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:58,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-08-23 16:08:58,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-08-23 16:08:58,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:58,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:58,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:08:58,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 16:08:58,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-23 16:08:58,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:58,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-08-23 16:08:58,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-23 16:08:58,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:08:58,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:08:58,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:08:58,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-08-23 16:08:58,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:09:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:09:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:09:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:09:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:09:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-08-23 16:09:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-08-23 16:09:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:09:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:09:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:09:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 16:09:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 16:09:25,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:09:25,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-08-23 16:09:25,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-23 16:09:25,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:09:25,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:09:25,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:09:25,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-08-23 16:09:25,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-08-23 16:09:25,475 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-08-23 16:09:25,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:09:25,650 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:09:25,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:09:25,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1322911028, now seen corresponding path program 1 times [2024-08-23 16:09:25,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:09:25,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934266397] [2024-08-23 16:09:25,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:09:25,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:09:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:09:26,945 INFO L134 CoverageAnalysis]: Checked inductivity of 3615 backedges. 626 proven. 42 refuted. 0 times theorem prover too weak. 2947 trivial. 0 not checked. [2024-08-23 16:09:26,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:09:26,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934266397] [2024-08-23 16:09:26,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934266397] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 16:09:26,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432001362] [2024-08-23 16:09:26,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:09:26,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:09:26,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:09:26,947 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) [2024-08-23 16:09:26,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-08-23 16:09:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:09:28,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 3392 conjuncts, 83 conjunts are in the unsatisfiable core [2024-08-23 16:09:28,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 16:09:31,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 34 [2024-08-23 16:09:31,900 INFO L349 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2024-08-23 16:09:31,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 65 [2024-08-23 16:09:31,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 21 treesize of output 16 [2024-08-23 16:09:31,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-08-23 16:09:31,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 14 treesize of output 11 [2024-08-23 16:09:31,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 16 treesize of output 5 [2024-08-23 16:09:32,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 16:09:32,241 INFO L349 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2024-08-23 16:09:32,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 65 treesize of output 76 [2024-08-23 16:09:32,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 32 treesize of output 30 [2024-08-23 16:09:32,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 16:09:32,454 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-08-23 16:09:32,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 63 [2024-08-23 16:09:32,510 INFO L349 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2024-08-23 16:09:32,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 45 [2024-08-23 16:09:32,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-08-23 16:09:32,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-08-23 16:09:32,967 INFO L134 CoverageAnalysis]: Checked inductivity of 3615 backedges. 2615 proven. 908 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-08-23 16:09:32,967 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 16:09:33,167 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 16:09:33,167 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2024-08-23 16:09:33,169 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 30 treesize of output 22 [2024-08-23 16:09:33,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-08-23 16:09:33,494 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse2 (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| (select .cse1 |c_~#top~0.offset|)))) (and (or (forall ((|thr1Thread2of3ForFork0_push_~#casret~0#1.base| Int) (v_ArrVal_8507 (Array Int Int)) (v_ArrVal_8502 Int)) (let ((.cse0 (store (store |c_#memory_int| |c_~#top~0.base| (store .cse1 |c_~#top~0.offset| v_ArrVal_8502)) |thr1Thread2of3ForFork0_push_~#casret~0#1.base| (store (select (store |c_#memory_int| |c_~#top~0.base| (store .cse1 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)) |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 1)))) (or (< v_ArrVal_8502 |c_thr1Thread2of3ForFork0_push_~newTop~0#1|) (= (select (select (store .cse0 |c_~#m~0.base| v_ArrVal_8507) |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1) (< 0 (+ (select (select .cse0 |c_~#top~0.base|) 0) 1))))) (not .cse2)) (or (forall ((|thr1Thread2of3ForFork0_push_~#casret~0#1.base| Int) (v_DerPreprocessor_21 (Array Int Int)) (v_ArrVal_8507 (Array Int Int))) (let ((.cse3 (store |c_#memory_int| |thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_21))) (or (= (select (select (store .cse3 |c_~#m~0.base| v_ArrVal_8507) |thr1Thread2of3ForFork0_push_~#casret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) 1) (< 0 (+ (select (select .cse3 |c_~#top~0.base|) 0) 1))))) .cse2)))) is different from false [2024-08-23 16:09:33,529 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 16:09:33,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 61 [2024-08-23 16:09:33,552 INFO L349 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2024-08-23 16:09:33,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 57 [2024-08-23 16:09:33,562 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 16:09:33,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 62 [2024-08-23 16:09:33,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 4 [2024-08-23 16:09:33,583 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 16:09:33,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 33 [2024-08-23 16:09:33,606 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 16:09:33,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2024-08-23 16:09:33,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-08-23 16:09:37,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3615 backedges. 2679 proven. 818 refuted. 0 times theorem prover too weak. 92 trivial. 26 not checked. [2024-08-23 16:09:37,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432001362] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 16:09:37,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 16:09:37,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 51, 50] total 105 [2024-08-23 16:09:37,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464216259] [2024-08-23 16:09:37,235 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 16:09:37,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2024-08-23 16:09:37,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:09:37,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2024-08-23 16:09:37,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2695, Invalid=8223, Unknown=6, NotChecked=206, Total=11130 [2024-08-23 16:09:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:09:37,240 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:09:37,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 10.783018867924529) internal successors, (1143), 105 states have internal predecessors, (1143), 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) [2024-08-23 16:09:37,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:09:37,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:09:37,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:09:37,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:09:37,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-08-23 16:09:37,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2024-08-23 16:09:37,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:09:37,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:09:37,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:09:37,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 16:09:37,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-23 16:09:37,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:09:37,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-08-23 16:09:37,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-23 16:09:37,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:09:37,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:09:37,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:09:37,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-08-23 16:09:37,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-08-23 16:09:37,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:10:04,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:10:04,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:10:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:10:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:10:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-08-23 16:10:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-08-23 16:10:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:10:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:10:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:10:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 16:10:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 16:10:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:10:04,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-08-23 16:10:04,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-23 16:10:04,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:10:04,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:10:04,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:10:04,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-08-23 16:10:04,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-08-23 16:10:04,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2024-08-23 16:10:04,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-08-23 16:10:04,702 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,SelfDestructingSolverStorable33 [2024-08-23 16:10:04,702 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:10:04,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:10:04,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1214909418, now seen corresponding path program 1 times [2024-08-23 16:10:04,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:10:04,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665308263] [2024-08-23 16:10:04,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:10:04,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:10:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:10:07,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4328 backedges. 437 proven. 1601 refuted. 0 times theorem prover too weak. 2290 trivial. 0 not checked. [2024-08-23 16:10:07,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:10:07,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665308263] [2024-08-23 16:10:07,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665308263] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 16:10:07,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742165254] [2024-08-23 16:10:07,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:10:07,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:10:07,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:10:07,547 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) [2024-08-23 16:10:07,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-08-23 16:10:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:10:08,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 3731 conjuncts, 114 conjunts are in the unsatisfiable core [2024-08-23 16:10:08,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 16:10:12,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 32 [2024-08-23 16:10:12,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 34 treesize of output 33 [2024-08-23 16:10:12,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 32 [2024-08-23 16:10:12,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2024-08-23 16:10:12,185 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-08-23 16:10:12,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 108 treesize of output 101 [2024-08-23 16:10:12,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 35 treesize of output 33 [2024-08-23 16:10:12,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 33 treesize of output 36 [2024-08-23 16:10:12,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 12 treesize of output 9 [2024-08-23 16:10:12,286 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-08-23 16:10:12,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-08-23 16:10:12,298 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 19 treesize of output 11 [2024-08-23 16:10:13,078 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-08-23 16:10:13,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 16:10:13,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-08-23 16:10:13,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 16:10:13,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-08-23 16:10:13,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 16:10:13,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-08-23 16:10:13,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2024-08-23 16:10:13,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 16:10:13,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-08-23 16:10:13,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 11 [2024-08-23 16:10:13,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 19 treesize of output 11 [2024-08-23 16:10:13,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4328 backedges. 96 proven. 4068 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-08-23 16:10:13,761 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 16:10:14,469 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse2 (select .cse5 |c_~#top~0.offset|)) (.cse3 (store |c_#memory_int| |c_~#top~0.base| (store .cse5 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)))) (and (forall ((v_prenex_10 Int) (v_DerPreprocessor_28 (Array Int Int))) (let ((.cse1 (select (store .cse3 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28) |c_~#top~0.base|))) (or (not (= (select (select (let ((.cse0 (store (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28) |c_~#top~0.base| (store .cse1 |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)))) (store .cse0 v_prenex_10 (store (select .cse0 v_prenex_10) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (select .cse1 |c_~#top~0.offset|) .cse2))))) (forall ((v_DerPreprocessor_26 (Array Int Int)) (|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int) (v_DerPreprocessor_28 (Array Int Int))) (let ((.cse4 (store .cse3 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28))) (or (= (select (select .cse4 |c_~#top~0.base|) |c_~#top~0.offset|) .cse2) (not (= (select (select (store .cse4 |thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_26) |c_~#top~0.base|) |c_~#top~0.offset|) 0)))))))) is different from false [2024-08-23 16:10:14,660 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_26 (Array Int Int)) (v_DerPreprocessor_28 (Array Int Int)) (|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int) (v_ArrVal_9860 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_9860))) (let ((.cse1 (select .cse2 |c_~#top~0.base|))) (let ((.cse0 (store (store .cse2 |c_~#top~0.base| (store .cse1 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28))) (or (not (= (select (select (store .cse0 |thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_26) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (= (select .cse1 |c_~#top~0.offset|) (select (select .cse0 |c_~#top~0.base|) |c_~#top~0.offset|))))))) is different from false [2024-08-23 16:10:15,025 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 16:10:15,025 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 98 [2024-08-23 16:10:15,031 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 262 treesize of output 242 [2024-08-23 16:10:15,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 26 [2024-08-23 16:10:15,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 79 treesize of output 73 [2024-08-23 16:10:15,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 50 treesize of output 46 [2024-08-23 16:10:15,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 38 treesize of output 34 [2024-08-23 16:10:15,912 INFO L349 Elim1Store]: treesize reduction 12, result has 64.7 percent of original size [2024-08-23 16:10:15,913 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 32 [2024-08-23 16:10:15,919 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 16:10:15,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 39 [2024-08-23 16:10:15,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-08-23 16:10:17,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4328 backedges. 1167 proven. 288 refuted. 35 times theorem prover too weak. 2767 trivial. 71 not checked. [2024-08-23 16:10:17,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742165254] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 16:10:17,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 16:10:17,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 52, 15] total 76 [2024-08-23 16:10:17,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344588603] [2024-08-23 16:10:17,324 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 16:10:17,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-08-23 16:10:17,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:10:17,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-08-23 16:10:17,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=5173, Unknown=92, NotChecked=294, Total=5852 [2024-08-23 16:10:17,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:10:17,328 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:10:17,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 11.103896103896103) internal successors, (855), 76 states have internal predecessors, (855), 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) [2024-08-23 16:10:17,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:10:17,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:10:17,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:10:17,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:10:17,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-08-23 16:10:17,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-08-23 16:10:17,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:10:17,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:10:17,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:10:17,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 16:10:17,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-23 16:10:17,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:10:17,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-08-23 16:10:17,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-23 16:10:17,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:10:17,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:10:17,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:10:17,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-08-23 16:10:17,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-08-23 16:10:17,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 241 states. [2024-08-23 16:10:17,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:10:51,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:10:53,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:11:21,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-08-23 16:12:02,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:12:17,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:12:26,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:12:29,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:12:31,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:12:35,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:12:37,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:12:39,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:12:41,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:12:43,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:12:45,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:12:47,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:12:50,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:12:52,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:12:54,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:12:56,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:13:12,308 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse19 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse2 (select .cse19 |c_~#top~0.offset|))) (let ((.cse7 (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| .cse2))) (let ((.cse5 (not .cse7)) (.cse3 (store |c_#memory_int| |c_~#top~0.base| (store .cse19 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|))) (.cse6 (select .cse19 0))) (and (= |c_~#m~0.offset| 0) (not (= |c_thr1Thread3of3ForFork0_push_~newTop~0#1| 0)) (not (= |c_~#m~0.base| |c_~#top~0.base|)) (= |c_~#top~0.offset| 0) (or (and (forall ((v_prenex_10 Int) (v_DerPreprocessor_28 (Array Int Int))) (let ((.cse1 (select (store .cse3 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28) |c_~#top~0.base|))) (or (not (= (select (select (let ((.cse0 (store (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28) |c_~#top~0.base| (store .cse1 |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)))) (store .cse0 v_prenex_10 (store (select .cse0 v_prenex_10) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (select .cse1 |c_~#top~0.offset|) .cse2))))) (forall ((v_DerPreprocessor_26 (Array Int Int)) (|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int) (v_DerPreprocessor_28 (Array Int Int))) (let ((.cse4 (store .cse3 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28))) (or (= (select (select .cse4 |c_~#top~0.base|) |c_~#top~0.offset|) .cse2) (not (= (select (select (store .cse4 |thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_26) |c_~#top~0.base|) |c_~#top~0.offset|) 0)))))) .cse5) (or (= .cse6 1) (and (exists ((|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int)) (= (select (select |c_#memory_int| |thr1Thread3of3ForFork0_push_~#casret~0#1.base|) 0) 1)) (not (= .cse6 0)))) (or (= |c_~#m~0.offset| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) (not (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| |c_~#m~0.base|))) (= |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 0) (or .cse7 (and (forall ((v_DerPreprocessor_26 (Array Int Int)) (v_DerPreprocessor_27 (Array Int Int)) (|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int)) (let ((.cse8 (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_27))) (or (not (= (select (select (store .cse8 |thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_26) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (= |c_thr1Thread3of3ForFork0_push_~oldTop~0#1| (select (select .cse8 |c_~#top~0.base|) |c_~#top~0.offset|))))) (forall ((v_DerPreprocessor_27 (Array Int Int)) (v_prenex_9 Int)) (let ((.cse11 (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_27))) (let ((.cse9 (select .cse11 |c_~#top~0.base|))) (or (not (= |c_thr1Thread3of3ForFork0_push_~oldTop~0#1| (select .cse9 |c_~#top~0.offset|))) (not (= (select (select (let ((.cse10 (store .cse11 |c_~#top~0.base| (store .cse9 |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)))) (store .cse10 v_prenex_9 (store (select .cse10 v_prenex_9) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|) 0)))))))) (not (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| |c_~#top~0.base|)) (<= 4 |c_~#top~0.base|) (or .cse5 (and (forall ((v_prenex_10 Int) (v_DerPreprocessor_28 (Array Int Int))) (let ((.cse13 (select (store .cse3 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28) |c_~#top~0.base|))) (or (not (= (select (select (let ((.cse12 (store (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28) |c_~#top~0.base| (store .cse13 |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)))) (store .cse12 v_prenex_10 (store (select .cse12 v_prenex_10) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (select .cse13 |c_~#top~0.offset|) |c_thr1Thread3of3ForFork0_push_~oldTop~0#1|))))) (forall ((v_DerPreprocessor_26 (Array Int Int)) (|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int) (v_DerPreprocessor_28 (Array Int Int))) (let ((.cse14 (store .cse3 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28))) (or (not (= (select (select (store .cse14 |thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_26) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (= (select (select .cse14 |c_~#top~0.base|) |c_~#top~0.offset|) |c_thr1Thread3of3ForFork0_push_~oldTop~0#1|)))))) (or .cse7 (and (forall ((v_DerPreprocessor_27 (Array Int Int)) (v_prenex_9 Int)) (let ((.cse16 (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_27))) (let ((.cse17 (select .cse16 |c_~#top~0.base|))) (or (not (= (select (select (let ((.cse15 (store .cse16 |c_~#top~0.base| (store .cse17 |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)))) (store .cse15 v_prenex_9 (store (select .cse15 v_prenex_9) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= .cse2 (select .cse17 |c_~#top~0.offset|))))))) (forall ((v_DerPreprocessor_26 (Array Int Int)) (v_DerPreprocessor_27 (Array Int Int)) (|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int)) (let ((.cse18 (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_27))) (or (not (= (select (select (store .cse18 |thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_26) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (= .cse2 (select (select .cse18 |c_~#top~0.base|) |c_~#top~0.offset|))))))) (<= 1 |c_thr1Thread2of3ForFork0_push_loop_~r~0#1|) (= .cse6 63) (= |c_thr1Thread3of3ForFork0_push_~oldTop~0#1| 63)))))) is different from false [2024-08-23 16:13:19,456 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse18 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse2 (select .cse18 |c_~#top~0.offset|))) (let ((.cse6 (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| .cse2))) (let ((.cse5 (not .cse6)) (.cse3 (store |c_#memory_int| |c_~#top~0.base| (store .cse18 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)))) (and (= |c_~#m~0.offset| 0) (not (= |c_thr1Thread3of3ForFork0_push_~newTop~0#1| 0)) (not (= |c_~#m~0.base| |c_~#top~0.base|)) (= |c_~#top~0.offset| 0) (or (and (forall ((v_prenex_10 Int) (v_DerPreprocessor_28 (Array Int Int))) (let ((.cse1 (select (store .cse3 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28) |c_~#top~0.base|))) (or (not (= (select (select (let ((.cse0 (store (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28) |c_~#top~0.base| (store .cse1 |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)))) (store .cse0 v_prenex_10 (store (select .cse0 v_prenex_10) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (select .cse1 |c_~#top~0.offset|) .cse2))))) (forall ((v_DerPreprocessor_26 (Array Int Int)) (|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int) (v_DerPreprocessor_28 (Array Int Int))) (let ((.cse4 (store .cse3 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28))) (or (= (select (select .cse4 |c_~#top~0.base|) |c_~#top~0.offset|) .cse2) (not (= (select (select (store .cse4 |thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_26) |c_~#top~0.base|) |c_~#top~0.offset|) 0)))))) .cse5) (or (= |c_~#m~0.offset| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) (not (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| |c_~#m~0.base|))) (= |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 0) (or .cse6 (and (forall ((v_DerPreprocessor_26 (Array Int Int)) (v_DerPreprocessor_27 (Array Int Int)) (|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int)) (let ((.cse7 (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_27))) (or (not (= (select (select (store .cse7 |thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_26) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (= |c_thr1Thread3of3ForFork0_push_~oldTop~0#1| (select (select .cse7 |c_~#top~0.base|) |c_~#top~0.offset|))))) (forall ((v_DerPreprocessor_27 (Array Int Int)) (v_prenex_9 Int)) (let ((.cse10 (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_27))) (let ((.cse8 (select .cse10 |c_~#top~0.base|))) (or (not (= |c_thr1Thread3of3ForFork0_push_~oldTop~0#1| (select .cse8 |c_~#top~0.offset|))) (not (= (select (select (let ((.cse9 (store .cse10 |c_~#top~0.base| (store .cse8 |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)))) (store .cse9 v_prenex_9 (store (select .cse9 v_prenex_9) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|) 0)))))))) (not (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| |c_~#top~0.base|)) (<= 4 |c_~#top~0.base|) (or .cse5 (and (forall ((v_prenex_10 Int) (v_DerPreprocessor_28 (Array Int Int))) (let ((.cse12 (select (store .cse3 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28) |c_~#top~0.base|))) (or (not (= (select (select (let ((.cse11 (store (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28) |c_~#top~0.base| (store .cse12 |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)))) (store .cse11 v_prenex_10 (store (select .cse11 v_prenex_10) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (select .cse12 |c_~#top~0.offset|) |c_thr1Thread3of3ForFork0_push_~oldTop~0#1|))))) (forall ((v_DerPreprocessor_26 (Array Int Int)) (|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int) (v_DerPreprocessor_28 (Array Int Int))) (let ((.cse13 (store .cse3 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28))) (or (not (= (select (select (store .cse13 |thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_26) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (= (select (select .cse13 |c_~#top~0.base|) |c_~#top~0.offset|) |c_thr1Thread3of3ForFork0_push_~oldTop~0#1|)))))) (or .cse6 (and (forall ((v_DerPreprocessor_27 (Array Int Int)) (v_prenex_9 Int)) (let ((.cse15 (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_27))) (let ((.cse16 (select .cse15 |c_~#top~0.base|))) (or (not (= (select (select (let ((.cse14 (store .cse15 |c_~#top~0.base| (store .cse16 |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)))) (store .cse14 v_prenex_9 (store (select .cse14 v_prenex_9) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= .cse2 (select .cse16 |c_~#top~0.offset|))))))) (forall ((v_DerPreprocessor_26 (Array Int Int)) (v_DerPreprocessor_27 (Array Int Int)) (|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int)) (let ((.cse17 (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_27))) (or (not (= (select (select (store .cse17 |thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_26) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (= .cse2 (select (select .cse17 |c_~#top~0.base|) |c_~#top~0.offset|))))))) (= (select .cse18 0) 63) (= |c_thr1Thread3of3ForFork0_push_~oldTop~0#1| 63)))))) is different from false [2024-08-23 16:13:27,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:13:30,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:13:32,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:13:37,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-08-23 16:13:39,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:13:53,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:13:55,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:14:14,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-08-23 16:14:21,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-08-23 16:14:23,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-08-23 16:14:25,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-08-23 16:16:09,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:16:30,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:16:32,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:16:32,977 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse1 (select .cse6 |c_~#top~0.offset|))) (let ((.cse0 (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| |c_~#m~0.base|)) (.cse7 (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| .cse1))) (and (= |c_~#m~0.offset| 0) (= |c_~#m~0.offset| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) .cse0 (= |c_~#top~0.offset| 0) (<= |c_~#m~0.base| 3) (= 63 |c_thr1Thread2of3ForFork0_push_~newTop~0#1|) (or .cse0 (= (select (select |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) 0) 1)) (not (= .cse1 0)) (or (let ((.cse4 (store |c_#memory_int| |c_~#top~0.base| (store .cse6 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)))) (and (forall ((v_prenex_10 Int) (v_DerPreprocessor_28 (Array Int Int))) (let ((.cse3 (select (store .cse4 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28) |c_~#top~0.base|))) (or (not (= (select (select (let ((.cse2 (store (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28) |c_~#top~0.base| (store .cse3 |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)))) (store .cse2 v_prenex_10 (store (select .cse2 v_prenex_10) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (select .cse3 |c_~#top~0.offset|) .cse1))))) (forall ((v_DerPreprocessor_26 (Array Int Int)) (|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int) (v_DerPreprocessor_28 (Array Int Int))) (let ((.cse5 (store .cse4 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28))) (or (= (select (select .cse5 |c_~#top~0.base|) |c_~#top~0.offset|) .cse1) (not (= (select (select (store .cse5 |thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_26) |c_~#top~0.base|) |c_~#top~0.offset|) 0))))))) (not .cse7)) (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 0) (<= 4 |c_~#top~0.base|) (or .cse7 (and (forall ((v_DerPreprocessor_27 (Array Int Int)) (v_prenex_9 Int)) (let ((.cse9 (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_27))) (let ((.cse10 (select .cse9 |c_~#top~0.base|))) (or (not (= (select (select (let ((.cse8 (store .cse9 |c_~#top~0.base| (store .cse10 |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)))) (store .cse8 v_prenex_9 (store (select .cse8 v_prenex_9) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= .cse1 (select .cse10 |c_~#top~0.offset|))))))) (forall ((v_DerPreprocessor_26 (Array Int Int)) (v_DerPreprocessor_27 (Array Int Int)) (|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int)) (let ((.cse11 (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_27))) (or (not (= (select (select (store .cse11 |thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_26) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (= .cse1 (select (select .cse11 |c_~#top~0.base|) |c_~#top~0.offset|))))))) (= |c_thr1Thread2of3ForFork0_push_#t~mem9#1| 1))))) is different from false [2024-08-23 16:16:37,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:16:39,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:16:41,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:16:43,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:16:45,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:17:04,643 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse1 (select .cse6 |c_~#top~0.offset|))) (let ((.cse0 (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| |c_~#m~0.base|)) (.cse7 (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| .cse1))) (and (= |c_~#m~0.offset| 0) (= (select (select |c_#memory_int| |c_~#m~0.base|) |c_~#m~0.offset|) 1) (= |c_~#m~0.offset| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) .cse0 (= |c_~#top~0.offset| 0) (<= |c_~#m~0.base| 3) (= 63 |c_thr1Thread2of3ForFork0_push_~newTop~0#1|) (or .cse0 (= (select (select |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) 0) 1)) (not (= .cse1 0)) (or (let ((.cse4 (store |c_#memory_int| |c_~#top~0.base| (store .cse6 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)))) (and (forall ((v_prenex_10 Int) (v_DerPreprocessor_28 (Array Int Int))) (let ((.cse3 (select (store .cse4 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28) |c_~#top~0.base|))) (or (not (= (select (select (let ((.cse2 (store (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28) |c_~#top~0.base| (store .cse3 |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)))) (store .cse2 v_prenex_10 (store (select .cse2 v_prenex_10) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (select .cse3 |c_~#top~0.offset|) .cse1))))) (forall ((v_DerPreprocessor_26 (Array Int Int)) (|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int) (v_DerPreprocessor_28 (Array Int Int))) (let ((.cse5 (store .cse4 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28))) (or (= (select (select .cse5 |c_~#top~0.base|) |c_~#top~0.offset|) .cse1) (not (= (select (select (store .cse5 |thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_26) |c_~#top~0.base|) |c_~#top~0.offset|) 0))))))) (not .cse7)) (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 0) (<= 4 |c_~#top~0.base|) (or .cse7 (and (forall ((v_DerPreprocessor_27 (Array Int Int)) (v_prenex_9 Int)) (let ((.cse9 (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_27))) (let ((.cse10 (select .cse9 |c_~#top~0.base|))) (or (not (= (select (select (let ((.cse8 (store .cse9 |c_~#top~0.base| (store .cse10 |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)))) (store .cse8 v_prenex_9 (store (select .cse8 v_prenex_9) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= .cse1 (select .cse10 |c_~#top~0.offset|))))))) (forall ((v_DerPreprocessor_26 (Array Int Int)) (v_DerPreprocessor_27 (Array Int Int)) (|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int)) (let ((.cse11 (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_27))) (or (not (= (select (select (store .cse11 |thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_26) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (= .cse1 (select (select .cse11 |c_~#top~0.base|) |c_~#top~0.offset|))))))) (= |c_thr1Thread2of3ForFork0_push_#t~mem9#1| 1))))) is different from false [2024-08-23 16:17:06,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:17:11,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-08-23 16:17:13,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:17:15,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:17:35,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:17:37,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:17:39,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:18:04,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-08-23 16:18:11,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-08-23 16:18:11,329 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse1 (select .cse6 |c_~#top~0.offset|))) (let ((.cse0 (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| |c_~#m~0.base|)) (.cse7 (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| .cse1))) (and (= |c_~#m~0.offset| 0) (= |c_~#m~0.offset| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) .cse0 (= |c_~#top~0.offset| 0) (<= |c_~#m~0.base| 3) (= 63 |c_thr1Thread2of3ForFork0_push_~newTop~0#1|) (or .cse0 (= (select (select |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) 0) 1)) (not (= .cse1 0)) (or (let ((.cse4 (store |c_#memory_int| |c_~#top~0.base| (store .cse6 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)))) (and (forall ((v_prenex_10 Int) (v_DerPreprocessor_28 (Array Int Int))) (let ((.cse3 (select (store .cse4 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28) |c_~#top~0.base|))) (or (not (= (select (select (let ((.cse2 (store (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28) |c_~#top~0.base| (store .cse3 |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)))) (store .cse2 v_prenex_10 (store (select .cse2 v_prenex_10) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (select .cse3 |c_~#top~0.offset|) .cse1))))) (forall ((v_DerPreprocessor_26 (Array Int Int)) (|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int) (v_DerPreprocessor_28 (Array Int Int))) (let ((.cse5 (store .cse4 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28))) (or (= (select (select .cse5 |c_~#top~0.base|) |c_~#top~0.offset|) .cse1) (not (= (select (select (store .cse5 |thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_26) |c_~#top~0.base|) |c_~#top~0.offset|) 0))))))) (not .cse7)) (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 0) (<= 4 |c_~#top~0.base|) (or .cse7 (and (forall ((v_DerPreprocessor_27 (Array Int Int)) (v_prenex_9 Int)) (let ((.cse9 (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_27))) (let ((.cse10 (select .cse9 |c_~#top~0.base|))) (or (not (= (select (select (let ((.cse8 (store .cse9 |c_~#top~0.base| (store .cse10 |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)))) (store .cse8 v_prenex_9 (store (select .cse8 v_prenex_9) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= .cse1 (select .cse10 |c_~#top~0.offset|))))))) (forall ((v_DerPreprocessor_26 (Array Int Int)) (v_DerPreprocessor_27 (Array Int Int)) (|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int)) (let ((.cse11 (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_27))) (or (not (= (select (select (store .cse11 |thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_26) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (= .cse1 (select (select .cse11 |c_~#top~0.base|) |c_~#top~0.offset|))))))))))) is different from false [2024-08-23 16:18:15,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:18:20,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:18:22,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:19:21,134 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse1 (select .cse6 |c_~#top~0.offset|))) (let ((.cse0 (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| |c_~#m~0.base|)) (.cse7 (= |c_thr1Thread2of3ForFork0_push_~oldTop~0#1| .cse1))) (and (= |c_~#m~0.offset| 0) (= (select (select |c_#memory_int| |c_~#m~0.base|) |c_~#m~0.offset|) 1) (= |c_~#m~0.offset| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset|) .cse0 (= |c_~#top~0.offset| 0) (<= |c_~#m~0.base| 3) (= 63 |c_thr1Thread2of3ForFork0_push_~newTop~0#1|) (or .cse0 (= (select (select |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base|) 0) 1)) (not (= .cse1 0)) (or (let ((.cse4 (store |c_#memory_int| |c_~#top~0.base| (store .cse6 |c_~#top~0.offset| |c_thr1Thread2of3ForFork0_push_~newTop~0#1|)))) (and (forall ((v_prenex_10 Int) (v_DerPreprocessor_28 (Array Int Int))) (let ((.cse3 (select (store .cse4 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28) |c_~#top~0.base|))) (or (not (= (select (select (let ((.cse2 (store (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28) |c_~#top~0.base| (store .cse3 |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)))) (store .cse2 v_prenex_10 (store (select .cse2 v_prenex_10) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= (select .cse3 |c_~#top~0.offset|) .cse1))))) (forall ((v_DerPreprocessor_26 (Array Int Int)) (|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int) (v_DerPreprocessor_28 (Array Int Int))) (let ((.cse5 (store .cse4 |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_28))) (or (= (select (select .cse5 |c_~#top~0.base|) |c_~#top~0.offset|) .cse1) (not (= (select (select (store .cse5 |thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_26) |c_~#top~0.base|) |c_~#top~0.offset|) 0))))))) (not .cse7)) (= |c_thr1Thread2of3ForFork0_push_~#casret~0#1.offset| 0) (<= 4 |c_~#top~0.base|) (or .cse7 (and (forall ((v_DerPreprocessor_27 (Array Int Int)) (v_prenex_9 Int)) (let ((.cse9 (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_27))) (let ((.cse10 (select .cse9 |c_~#top~0.base|))) (or (not (= (select (select (let ((.cse8 (store .cse9 |c_~#top~0.base| (store .cse10 |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)))) (store .cse8 v_prenex_9 (store (select .cse8 v_prenex_9) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not (= .cse1 (select .cse10 |c_~#top~0.offset|))))))) (forall ((v_DerPreprocessor_26 (Array Int Int)) (v_DerPreprocessor_27 (Array Int Int)) (|thr1Thread3of3ForFork0_push_~#casret~0#1.base| Int)) (let ((.cse11 (store |c_#memory_int| |c_thr1Thread2of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_27))) (or (not (= (select (select (store .cse11 |thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_26) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (= .cse1 (select (select .cse11 |c_~#top~0.base|) |c_~#top~0.offset|))))))))))) is different from false [2024-08-23 16:19:23,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:19:23,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:19:23,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:19:23,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:19:23,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-08-23 16:19:23,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-08-23 16:19:23,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:19:23,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:19:23,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:19:23,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 16:19:23,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 16:19:23,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:19:23,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-08-23 16:19:23,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-23 16:19:23,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:19:23,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:19:23,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:19:23,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-08-23 16:19:23,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-08-23 16:19:23,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2024-08-23 16:19:23,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-08-23 16:19:23,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-08-23 16:19:23,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:19:23,341 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-23 16:19:23,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 16:19:23,341 INFO L85 PathProgramCache]: Analyzing trace with hash 2118732140, now seen corresponding path program 1 times [2024-08-23 16:19:23,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 16:19:23,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042581022] [2024-08-23 16:19:23,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:19:23,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 16:19:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:19:25,604 INFO L134 CoverageAnalysis]: Checked inductivity of 5030 backedges. 2066 proven. 291 refuted. 0 times theorem prover too weak. 2673 trivial. 0 not checked. [2024-08-23 16:19:25,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 16:19:25,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042581022] [2024-08-23 16:19:25,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042581022] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 16:19:25,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566206005] [2024-08-23 16:19:25,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 16:19:25,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 16:19:25,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 16:19:25,607 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) [2024-08-23 16:19:25,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-08-23 16:19:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 16:19:26,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 3985 conjuncts, 55 conjunts are in the unsatisfiable core [2024-08-23 16:19:26,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 16:19:29,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2024-08-23 16:19:29,878 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 11 treesize of output 7 [2024-08-23 16:19:29,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 16:19:30,003 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-08-23 16:19:30,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 32 [2024-08-23 16:19:30,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 16:19:30,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-08-23 16:19:30,231 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-08-23 16:19:30,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 13 [2024-08-23 16:19:30,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-08-23 16:19:30,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-08-23 16:19:30,585 INFO L134 CoverageAnalysis]: Checked inductivity of 5030 backedges. 1910 proven. 229 refuted. 0 times theorem prover too weak. 2891 trivial. 0 not checked. [2024-08-23 16:19:30,585 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 16:19:30,712 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse0 (= (select .cse1 |c_~#top~0.offset|) |c_thr1Thread3of3ForFork0_push_~oldTop~0#1|))) (and (or (not .cse0) (forall ((v_DerPreprocessor_35 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_~#top~0.base| (store .cse1 |c_~#top~0.offset| |c_thr1Thread3of3ForFork0_push_~newTop~0#1|)) |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_35) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (or (forall ((v_DerPreprocessor_34 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_thr1Thread3of3ForFork0_push_~#casret~0#1.base| v_DerPreprocessor_34) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) .cse0)))) is different from false [2024-08-23 16:19:30,725 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 16:19:30,725 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2024-08-23 16:19:30,727 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 30 treesize of output 22 [2024-08-23 16:19:30,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-08-23 16:19:30,866 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_11281 (Array Int Int))) (not (= (+ (select (select (store |c_#memory_int| |c_~#m~0.base| v_ArrVal_11281) |c_~#top~0.base|) 0) 1) 0))) is different from false [2024-08-23 16:19:31,010 INFO L349 Elim1Store]: treesize reduction 15, result has 64.3 percent of original size [2024-08-23 16:19:31,010 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 40 [2024-08-23 16:19:31,025 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 16:19:31,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 55 treesize of output 73 [2024-08-23 16:19:31,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 24 treesize of output 22 [2024-08-23 16:19:32,861 INFO L134 CoverageAnalysis]: Checked inductivity of 5030 backedges. 1379 proven. 529 refuted. 24 times theorem prover too weak. 2923 trivial. 175 not checked. [2024-08-23 16:19:32,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566206005] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 16:19:32,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 16:19:32,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 20, 17] total 45 [2024-08-23 16:19:32,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416942741] [2024-08-23 16:19:32,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 16:19:32,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-08-23 16:19:32,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 16:19:32,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-08-23 16:19:32,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=1632, Unknown=19, NotChecked=170, Total=2070 [2024-08-23 16:19:32,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:19:32,865 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 16:19:32,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 10.065217391304348) internal successors, (463), 45 states have internal predecessors, (463), 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) [2024-08-23 16:19:32,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:19:32,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:19:32,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:19:32,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:19:32,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-08-23 16:19:32,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-08-23 16:19:32,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:19:32,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:19:32,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 16:19:32,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 16:19:32,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-23 16:19:32,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:19:32,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-08-23 16:19:32,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-23 16:19:32,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 16:19:32,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 16:19:32,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 16:19:32,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-08-23 16:19:32,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-08-23 16:19:32,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 241 states. [2024-08-23 16:19:32,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2024-08-23 16:19:32,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 16:21:18,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:21:20,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:21:22,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-23 16:21:24,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] Killed by 15