./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c --full-output --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-local/test-hard1.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c ./goblint.2024-08-08_07-59-58.files/mutex-meet-local/test-hard1.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-13 22:10:57,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 22:10:57,262 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-13 22:10:57,266 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 22:10:57,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 22:10:57,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 22:10:57,291 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 22:10:57,292 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 22:10:57,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 22:10:57,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 22:10:57,294 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 22:10:57,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 22:10:57,294 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 22:10:57,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 22:10:57,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 22:10:57,296 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 22:10:57,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-13 22:10:57,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 22:10:57,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 22:10:57,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 22:10:57,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 22:10:57,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 22:10:57,300 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 22:10:57,301 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 22:10:57,301 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 22:10:57,301 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 22:10:57,301 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 22:10:57,301 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 22:10:57,302 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 22:10:57,302 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 22:10:57,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 22:10:57,302 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 22:10:57,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 22:10:57,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 22:10:57,303 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-13 22:10:57,303 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 22:10:57,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-13 22:10:57,304 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 22:10:57,304 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 22:10:57,304 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 22:10:57,304 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 22:10:57,305 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 22:10:57,305 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-13 22:10:57,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 22:10:57,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 22:10:57,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 22:10:57,498 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 22:10:57,501 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 22:10:57,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-local/test-hard1.wvr.yml/witness.yml [2024-08-13 22:10:57,678 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 22:10:57,680 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 22:10:57,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c [2024-08-13 22:10:58,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 22:10:59,052 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 22:10:59,053 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.wvr.c [2024-08-13 22:10:59,059 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d304f309c/96e65ff16f204e19bb5da1048062ebda/FLAG7536c9905 [2024-08-13 22:10:59,068 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d304f309c/96e65ff16f204e19bb5da1048062ebda [2024-08-13 22:10:59,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 22:10:59,071 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 22:10:59,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 22:10:59,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 22:10:59,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 22:10:59,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 10:10:57" (1/2) ... [2024-08-13 22:10:59,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d1dd224 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 10:10:59, skipping insertion in model container [2024-08-13 22:10:59,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 10:10:57" (1/2) ... [2024-08-13 22:10:59,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f84dd2a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 10:10:59, skipping insertion in model container [2024-08-13 22:10:59,080 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 10:10:59" (2/2) ... [2024-08-13 22:10:59,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d1dd224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:10:59, skipping insertion in model container [2024-08-13 22:10:59,080 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 10:10:59" (2/2) ... [2024-08-13 22:10:59,081 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-13 22:10:59,083 INFO L92 edCorrectnessWitness]: Witness did not contain any usable entries. [2024-08-13 22:10:59,100 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 22:10:59,242 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.wvr.c[3425,3438] [2024-08-13 22:10:59,248 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 22:10:59,254 INFO L202 MainTranslator]: Completed pre-run [2024-08-13 22:10:59,275 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.wvr.c[3425,3438] [2024-08-13 22:10:59,276 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 22:10:59,288 INFO L206 MainTranslator]: Completed translation [2024-08-13 22:10:59,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:10:59 WrapperNode [2024-08-13 22:10:59,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 22:10:59,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-13 22:10:59,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-13 22:10:59,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-13 22:10:59,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:10:59" (1/1) ... [2024-08-13 22:10:59,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:10:59" (1/1) ... [2024-08-13 22:10:59,330 INFO L138 Inliner]: procedures = 23, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2024-08-13 22:10:59,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-13 22:10:59,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-13 22:10:59,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-13 22:10:59,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-13 22:10:59,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:10:59" (1/1) ... [2024-08-13 22:10:59,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:10:59" (1/1) ... [2024-08-13 22:10:59,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:10:59" (1/1) ... [2024-08-13 22:10:59,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:10:59" (1/1) ... [2024-08-13 22:10:59,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:10:59" (1/1) ... [2024-08-13 22:10:59,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:10:59" (1/1) ... [2024-08-13 22:10:59,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:10:59" (1/1) ... [2024-08-13 22:10:59,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:10:59" (1/1) ... [2024-08-13 22:10:59,355 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-13 22:10:59,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-13 22:10:59,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-13 22:10:59,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-13 22:10:59,356 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:10:59" (1/1) ... [2024-08-13 22:10:59,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 22:10:59,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 22:10:59,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-13 22:10:59,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-13 22:10:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-13 22:10:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-13 22:10:59,419 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-13 22:10:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-13 22:10:59,420 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-13 22:10:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-13 22:10:59,420 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-13 22:10:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-08-13 22:10:59,421 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-08-13 22:10:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-13 22:10:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-13 22:10:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-13 22:10:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-13 22:10:59,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-13 22:10:59,422 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-13 22:10:59,507 INFO L244 CfgBuilder]: Building ICFG [2024-08-13 22:10:59,509 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-13 22:10:59,699 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-13 22:10:59,700 INFO L293 CfgBuilder]: Performing block encoding [2024-08-13 22:10:59,844 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-13 22:10:59,844 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-08-13 22:10:59,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 10:10:59 BoogieIcfgContainer [2024-08-13 22:10:59,845 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-13 22:10:59,846 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-13 22:10:59,848 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-13 22:10:59,851 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-13 22:10:59,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 10:10:57" (1/4) ... [2024-08-13 22:10:59,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b6c780b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.08 10:10:59, skipping insertion in model container [2024-08-13 22:10:59,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 10:10:59" (2/4) ... [2024-08-13 22:10:59,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b6c780b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 10:10:59, skipping insertion in model container [2024-08-13 22:10:59,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 10:10:59" (3/4) ... [2024-08-13 22:10:59,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b6c780b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 10:10:59, skipping insertion in model container [2024-08-13 22:10:59,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 10:10:59" (4/4) ... [2024-08-13 22:10:59,854 INFO L112 eAbstractionObserver]: Analyzing ICFG test-hard1.wvr.c [2024-08-13 22:10:59,873 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-13 22:10:59,873 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-13 22:10:59,873 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-13 22:10:59,928 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-08-13 22:10:59,957 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 22:10:59,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-13 22:10:59,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 22:10:59,959 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-13 22:10:59,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-13 22:10:59,987 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-13 22:10:59,997 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-13 22:11:00,002 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;@2d07e6f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 22:11:00,002 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-08-13 22:11:01,379 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-13 22:11:01,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 22:11:01,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1752138499, now seen corresponding path program 1 times [2024-08-13 22:11:01,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 22:11:01,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25677851] [2024-08-13 22:11:01,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 22:11:01,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 22:11:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 22:11:02,169 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-08-13 22:11:02,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 22:11:02,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25677851] [2024-08-13 22:11:02,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25677851] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 22:11:02,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 22:11:02,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-13 22:11:02,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821546711] [2024-08-13 22:11:02,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 22:11:02,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-13 22:11:02,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 22:11:02,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-13 22:11:02,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-08-13 22:11:02,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 22:11:02,203 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 22:11:02,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 22:11:02,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 22:11:03,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:11:03,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-13 22:11:03,107 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-13 22:11:03,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 22:11:03,108 INFO L85 PathProgramCache]: Analyzing trace with hash -506789776, now seen corresponding path program 2 times [2024-08-13 22:11:03,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 22:11:03,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667023124] [2024-08-13 22:11:03,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 22:11:03,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 22:11:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 22:11:05,350 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 111 proven. 94 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-08-13 22:11:05,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 22:11:05,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667023124] [2024-08-13 22:11:05,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667023124] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 22:11:05,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903367067] [2024-08-13 22:11:05,352 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-13 22:11:05,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 22:11:05,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 22:11:05,354 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 22:11:05,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-13 22:11:05,456 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-13 22:11:05,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 22:11:05,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 6 conjunts are in the unsatisfiable core [2024-08-13 22:11:05,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 22:11:05,578 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-08-13 22:11:05,578 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-13 22:11:05,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903367067] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 22:11:05,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-13 22:11:05,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [18] total 22 [2024-08-13 22:11:05,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784842733] [2024-08-13 22:11:05,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 22:11:05,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-13 22:11:05,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 22:11:05,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-13 22:11:05,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2024-08-13 22:11:05,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 22:11:05,582 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 22:11:05,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 22:11:05,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:11:05,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 22:11:06,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:11:06,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:11:06,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-08-13 22:11:06,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-08-13 22:11:06,374 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-13 22:11:06,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 22:11:06,374 INFO L85 PathProgramCache]: Analyzing trace with hash 564381910, now seen corresponding path program 3 times [2024-08-13 22:11:06,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 22:11:06,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51100538] [2024-08-13 22:11:06,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 22:11:06,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 22:11:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 22:11:06,825 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 180 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-08-13 22:11:06,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 22:11:06,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51100538] [2024-08-13 22:11:06,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51100538] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 22:11:06,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833866258] [2024-08-13 22:11:06,826 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-13 22:11:06,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 22:11:06,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 22:11:06,828 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 22:11:06,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-13 22:11:06,924 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-08-13 22:11:06,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 22:11:06,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 7 conjunts are in the unsatisfiable core [2024-08-13 22:11:06,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 22:11:07,047 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 180 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-08-13 22:11:07,047 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 22:11:07,144 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 180 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-08-13 22:11:07,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833866258] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 22:11:07,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 22:11:07,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-08-13 22:11:07,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819112723] [2024-08-13 22:11:07,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 22:11:07,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-08-13 22:11:07,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 22:11:07,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-08-13 22:11:07,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-08-13 22:11:07,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 22:11:07,147 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 22:11:07,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 13 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 22:11:07,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:11:07,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:11:07,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 22:11:07,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:11:07,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:11:07,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 22:11:07,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-08-13 22:11:07,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 22:11:07,796 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-13 22:11:07,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 22:11:07,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1323657417, now seen corresponding path program 4 times [2024-08-13 22:11:07,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 22:11:07,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098967278] [2024-08-13 22:11:07,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 22:11:07,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 22:11:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 22:11:12,520 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 438 proven. 298 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-08-13 22:11:12,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 22:11:12,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098967278] [2024-08-13 22:11:12,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098967278] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 22:11:12,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313320998] [2024-08-13 22:11:12,521 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-13 22:11:12,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 22:11:12,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 22:11:12,523 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 22:11:12,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-13 22:11:12,624 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-13 22:11:12,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 22:11:12,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 6 conjunts are in the unsatisfiable core [2024-08-13 22:11:12,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 22:11:12,720 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-08-13 22:11:12,720 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-13 22:11:12,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313320998] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 22:11:12,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-13 22:11:12,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [24] total 28 [2024-08-13 22:11:12,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716616688] [2024-08-13 22:11:12,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 22:11:12,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-13 22:11:12,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 22:11:12,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-13 22:11:12,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=568, Unknown=0, NotChecked=0, Total=756 [2024-08-13 22:11:12,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 22:11:12,723 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 22:11:12,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 22:11:12,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:11:12,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:11:12,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-13 22:11:12,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 22:11:12,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:11:12,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:11:12,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 22:11:12,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:11:12,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-08-13 22:11:13,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 22:11:13,121 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-13 22:11:13,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 22:11:13,121 INFO L85 PathProgramCache]: Analyzing trace with hash 589879332, now seen corresponding path program 5 times [2024-08-13 22:11:13,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 22:11:13,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423435643] [2024-08-13 22:11:13,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 22:11:13,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 22:11:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 22:11:13,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 967 proven. 4 refuted. 0 times theorem prover too weak. 1591 trivial. 0 not checked. [2024-08-13 22:11:13,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 22:11:13,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423435643] [2024-08-13 22:11:13,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423435643] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 22:11:13,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736450362] [2024-08-13 22:11:13,733 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-13 22:11:13,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 22:11:13,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 22:11:13,734 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 22:11:13,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-13 22:11:13,975 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-08-13 22:11:13,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 22:11:13,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-13 22:11:13,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 22:11:14,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 986 proven. 82 refuted. 0 times theorem prover too weak. 1494 trivial. 0 not checked. [2024-08-13 22:11:14,126 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 22:11:14,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 967 proven. 4 refuted. 0 times theorem prover too weak. 1591 trivial. 0 not checked. [2024-08-13 22:11:14,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736450362] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 22:11:14,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 22:11:14,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 6] total 14 [2024-08-13 22:11:14,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243443207] [2024-08-13 22:11:14,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 22:11:14,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-08-13 22:11:14,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 22:11:14,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-08-13 22:11:14,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-08-13 22:11:14,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 22:11:14,238 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 22:11:14,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 22:11:14,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:11:14,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:11:14,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-13 22:11:14,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:11:14,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 22:11:14,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:11:14,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:11:14,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 22:11:14,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:11:14,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-08-13 22:11:14,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-08-13 22:11:14,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 22:11:14,964 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-13 22:11:14,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 22:11:14,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1596812803, now seen corresponding path program 6 times [2024-08-13 22:11:14,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 22:11:14,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214665732] [2024-08-13 22:11:14,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 22:11:14,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 22:11:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 22:11:28,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 319 proven. 1653 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-08-13 22:11:28,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 22:11:28,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214665732] [2024-08-13 22:11:28,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214665732] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 22:11:28,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159755782] [2024-08-13 22:11:28,168 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-13 22:11:28,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 22:11:28,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 22:11:28,169 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 22:11:28,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-08-13 22:11:28,507 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2024-08-13 22:11:28,508 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 22:11:28,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 110 conjunts are in the unsatisfiable core [2024-08-13 22:11:28,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 22:11:52,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 227 proven. 1735 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-08-13 22:11:52,272 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 22:11:59,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 234 proven. 1757 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-08-13 22:11:59,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159755782] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 22:11:59,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 22:11:59,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 70, 95] total 241 [2024-08-13 22:11:59,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022870887] [2024-08-13 22:11:59,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 22:11:59,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 242 states [2024-08-13 22:11:59,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 22:11:59,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 242 interpolants. [2024-08-13 22:11:59,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12422, Invalid=45900, Unknown=0, NotChecked=0, Total=58322 [2024-08-13 22:11:59,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 22:11:59,480 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 22:11:59,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 242 states, 242 states have (on average 2.731404958677686) internal successors, (661), 241 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 22:11:59,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:11:59,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:11:59,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-13 22:11:59,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:11:59,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-08-13 22:11:59,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 22:13:14,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:13:14,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:13:14,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 22:13:14,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:13:14,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-13 22:13:14,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 446 states. [2024-08-13 22:13:14,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-08-13 22:13:15,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 22:13:15,123 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-13 22:13:15,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 22:13:15,124 INFO L85 PathProgramCache]: Analyzing trace with hash 29873356, now seen corresponding path program 7 times [2024-08-13 22:13:15,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 22:13:15,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751946415] [2024-08-13 22:13:15,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 22:13:15,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 22:13:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 22:13:15,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 973 proven. 1 refuted. 0 times theorem prover too weak. 862 trivial. 0 not checked. [2024-08-13 22:13:15,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 22:13:15,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751946415] [2024-08-13 22:13:15,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751946415] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 22:13:15,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840565390] [2024-08-13 22:13:15,689 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-13 22:13:15,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 22:13:15,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 22:13:15,690 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 22:13:15,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-08-13 22:13:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 22:13:15,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 27 conjunts are in the unsatisfiable core [2024-08-13 22:13:15,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 22:13:15,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 973 proven. 1 refuted. 0 times theorem prover too weak. 862 trivial. 0 not checked. [2024-08-13 22:13:15,929 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 22:13:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 907 proven. 394 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2024-08-13 22:13:16,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840565390] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 22:13:16,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 22:13:16,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 23] total 30 [2024-08-13 22:13:16,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585636] [2024-08-13 22:13:16,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 22:13:16,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-08-13 22:13:16,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 22:13:16,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-08-13 22:13:16,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=695, Unknown=0, NotChecked=0, Total=870 [2024-08-13 22:13:16,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 22:13:16,376 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 22:13:16,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.833333333333333) internal successors, (145), 30 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 22:13:16,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:13:16,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:13:16,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-13 22:13:16,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:13:16,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-13 22:13:16,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 446 states. [2024-08-13 22:13:16,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 22:13:19,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:13:19,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:13:19,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 22:13:19,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:13:19,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-13 22:13:19,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 450 states. [2024-08-13 22:13:19,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-08-13 22:13:19,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-08-13 22:13:19,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-08-13 22:13:19,383 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-13 22:13:19,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 22:13:19,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1221599718, now seen corresponding path program 8 times [2024-08-13 22:13:19,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 22:13:19,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901619807] [2024-08-13 22:13:19,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 22:13:19,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 22:13:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 22:13:26,233 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 308 proven. 611 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-08-13 22:13:26,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 22:13:26,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901619807] [2024-08-13 22:13:26,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901619807] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 22:13:26,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257605818] [2024-08-13 22:13:26,234 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-13 22:13:26,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 22:13:26,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 22:13:26,235 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 22:13:26,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-08-13 22:13:26,351 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-13 22:13:26,351 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 22:13:26,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 74 conjunts are in the unsatisfiable core [2024-08-13 22:13:26,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 22:13:36,108 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 230 proven. 684 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-08-13 22:13:36,108 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 22:18:40,272 WARN L854 $PredicateComparison]: unable to prove that (or (let ((.cse34 (< 36 c_~n2~0)) (.cse31 (= c_~n2~0 36)) (.cse30 (< c_~n2~0 39)) (.cse29 (< 39 c_~n2~0)) (.cse8 (= c_~n2~0 39)) (.cse22 (< 42 c_~n2~0)) (.cse21 (= 42 c_~n2~0)) (.cse18 (= 41 c_~n2~0)) (.cse9 (< c_~n2~0 43)) (.cse12 (= c_~n2~0 43)) (.cse13 (< 43 c_~n2~0)) (.cse23 (= 40 c_~n2~0)) (.cse26 (< 40 c_~n2~0)) (.cse7 (= c_~n2~0 38)) (.cse1 (= c_~n2~0 37)) (.cse2 (mod c_~p1~0 4294967296)) (.cse0 (< 38 c_~n2~0))) (and (or (and (or (and (or .cse0 (and (or .cse1 (and (forall ((v_z_82 Int)) (or (< 4294967295 (+ .cse2 v_z_82)) (= (+ (* v_z_82 50650993629) c_~p2~0) (+ .cse2 (* (div (+ c_~p2~0 (* 50650993630 v_z_82)) 4294967296) 4294967296))) (< v_z_82 0))) (forall ((v_z_82 Int)) (or (= (+ (* v_z_82 50650993629) 4294967296 c_~p2~0) (+ .cse2 (* (div (+ c_~p2~0 (* 50650993630 v_z_82)) 4294967296) 4294967296))) (< (+ .cse2 v_z_82) 4294967296) (< 4294967295 v_z_82))) (forall ((v_z_82 Int)) (let ((.cse3 (* v_z_82 50650993629)) (.cse4 (+ .cse2 (* (div (+ c_~p2~0 (* 50650993630 v_z_82)) 4294967296) 4294967296)))) (or (= (+ .cse3 c_~p2~0) .cse4) (= (+ .cse3 4294967296 c_~p2~0) .cse4) (< 4294967295 v_z_82) (< v_z_82 0)))))) (or (and (forall ((v_z_83 Int)) (or (= (+ .cse2 (* (div (+ c_~p2~0 (* v_z_83 49318072745)) 4294967296) 4294967296)) (+ (* v_z_83 49318072744) 4294967296 c_~p2~0)) (< 4294967295 v_z_83) (< (+ .cse2 v_z_83) 4294967296))) (forall ((v_z_83 Int)) (or (= (+ .cse2 (* (div (+ c_~p2~0 (* v_z_83 49318072745)) 4294967296) 4294967296)) (+ (* v_z_83 49318072744) c_~p2~0)) (< 4294967295 (+ .cse2 v_z_83)) (< v_z_83 0))) (forall ((v_z_83 Int)) (let ((.cse5 (+ .cse2 (* (div (+ c_~p2~0 (* v_z_83 49318072745)) 4294967296) 4294967296))) (.cse6 (* v_z_83 49318072744))) (or (= .cse5 (+ .cse6 4294967296 c_~p2~0)) (< 4294967295 v_z_83) (= .cse5 (+ .cse6 c_~p2~0)) (< v_z_83 0))))) .cse7))) (or (and (or .cse8 (and (or (and (or .cse9 (and (or (and (forall ((v_z_85 Int)) (or (< 4294967295 v_z_85) (< (+ .cse2 v_z_85) 4294967296) (= (+ .cse2 (* (div (+ (* v_z_85 58648518940) c_~p2~0) 4294967296) 4294967296)) (+ (* v_z_85 58648518939) 4294967296 c_~p2~0)))) (forall ((v_z_85 Int)) (or (< v_z_85 0) (< 4294967295 (+ .cse2 v_z_85)) (= (+ .cse2 (* (div (+ (* v_z_85 58648518940) c_~p2~0) 4294967296) 4294967296)) (+ (* v_z_85 58648518939) c_~p2~0)))) (forall ((v_z_85 Int)) (let ((.cse10 (+ .cse2 (* (div (+ (* v_z_85 58648518940) c_~p2~0) 4294967296) 4294967296))) (.cse11 (* v_z_85 58648518939))) (or (< 4294967295 v_z_85) (< v_z_85 0) (= .cse10 (+ .cse11 4294967296 c_~p2~0)) (= .cse10 (+ .cse11 c_~p2~0)))))) .cse12) (or .cse13 (and (forall ((v_z_84 Int)) (let ((.cse14 (+ .cse2 (* (div (+ c_~p2~0 (* 57315598055 v_z_84)) 4294967296) 4294967296))) (.cse15 (* v_z_84 57315598054))) (or (= .cse14 (+ .cse15 c_~p2~0)) (< 4294967295 v_z_84) (< v_z_84 0) (= .cse14 (+ .cse15 4294967296 c_~p2~0))))) (forall ((v_z_84 Int)) (or (= (+ .cse2 (* (div (+ c_~p2~0 (* 57315598055 v_z_84)) 4294967296) 4294967296)) (+ (* v_z_84 57315598054) c_~p2~0)) (< 4294967295 (+ .cse2 v_z_84)) (< v_z_84 0))) (forall ((v_z_84 Int)) (or (< 4294967295 v_z_84) (< (+ .cse2 v_z_84) 4294967296) (= (+ .cse2 (* (div (+ c_~p2~0 (* 57315598055 v_z_84)) 4294967296) 4294967296)) (+ (* v_z_84 57315598054) 4294967296 c_~p2~0)))))))) (or (and (or (and (forall ((v_z_86 Int)) (or (< v_z_86 0) (< 4294967295 (+ .cse2 v_z_86)) (= (+ (* 55982677169 v_z_86) c_~p2~0) (+ .cse2 (* 4294967296 (div (+ (* 55982677170 v_z_86) c_~p2~0) 4294967296)))))) (forall ((v_z_86 Int)) (let ((.cse16 (* 55982677169 v_z_86)) (.cse17 (+ .cse2 (* 4294967296 (div (+ (* 55982677170 v_z_86) c_~p2~0) 4294967296))))) (or (= (+ .cse16 4294967296 c_~p2~0) .cse17) (< v_z_86 0) (< 4294967295 v_z_86) (= (+ .cse16 c_~p2~0) .cse17)))) (forall ((v_z_86 Int)) (or (< (+ .cse2 v_z_86) 4294967296) (= (+ (* 55982677169 v_z_86) 4294967296 c_~p2~0) (+ .cse2 (* 4294967296 (div (+ (* 55982677170 v_z_86) c_~p2~0) 4294967296)))) (< 4294967295 v_z_86)))) .cse18) (or (and (forall ((v_z_87 Int)) (or (= (+ .cse2 (* (div (+ (* 54649756285 v_z_87) c_~p2~0) 4294967296) 4294967296)) (+ (* 54649756284 v_z_87) c_~p2~0)) (< v_z_87 0) (< 4294967295 (+ .cse2 v_z_87)))) (forall ((v_z_87 Int)) (or (< (+ .cse2 v_z_87) 4294967296) (= (+ .cse2 (* (div (+ (* 54649756285 v_z_87) c_~p2~0) 4294967296) 4294967296)) (+ (* 54649756284 v_z_87) 4294967296 c_~p2~0)) (< 4294967295 v_z_87))) (forall ((v_z_87 Int)) (let ((.cse19 (+ .cse2 (* (div (+ (* 54649756285 v_z_87) c_~p2~0) 4294967296) 4294967296))) (.cse20 (* 54649756284 v_z_87))) (or (= .cse19 (+ .cse20 c_~p2~0)) (= .cse19 (+ .cse20 4294967296 c_~p2~0)) (< v_z_87 0) (< 4294967295 v_z_87))))) .cse21)) .cse22)) .cse23) (or (and (forall ((v_z_88 Int)) (or (< v_z_88 0) (= (+ (* v_z_88 53316835399) c_~p2~0) (+ .cse2 (* (div (+ (* v_z_88 53316835400) c_~p2~0) 4294967296) 4294967296))) (< 4294967295 (+ .cse2 v_z_88)))) (forall ((v_z_88 Int)) (or (< (+ .cse2 v_z_88) 4294967296) (= (+ (* v_z_88 53316835399) 4294967296 c_~p2~0) (+ .cse2 (* (div (+ (* v_z_88 53316835400) c_~p2~0) 4294967296) 4294967296))) (< 4294967295 v_z_88))) (forall ((v_z_88 Int)) (let ((.cse24 (* v_z_88 53316835399)) (.cse25 (+ .cse2 (* (div (+ (* v_z_88 53316835400) c_~p2~0) 4294967296) 4294967296)))) (or (< v_z_88 0) (= (+ .cse24 c_~p2~0) .cse25) (= (+ .cse24 4294967296 c_~p2~0) .cse25) (< 4294967295 v_z_88))))) .cse26))) (or (and (forall ((v_z_89 Int)) (let ((.cse27 (+ .cse2 (* (div (+ (* 51983914515 v_z_89) c_~p2~0) 4294967296) 4294967296))) (.cse28 (* v_z_89 51983914514))) (or (< 4294967295 v_z_89) (= .cse27 (+ 4294967296 .cse28 c_~p2~0)) (= .cse27 (+ .cse28 c_~p2~0)) (< v_z_89 0)))) (forall ((v_z_89 Int)) (or (< (+ .cse2 v_z_89) 4294967296) (< 4294967295 v_z_89) (= (+ .cse2 (* (div (+ (* 51983914515 v_z_89) c_~p2~0) 4294967296) 4294967296)) (+ 4294967296 (* v_z_89 51983914514) c_~p2~0)))) (forall ((v_z_89 Int)) (or (< 4294967295 (+ .cse2 v_z_89)) (= (+ .cse2 (* (div (+ (* 51983914515 v_z_89) c_~p2~0) 4294967296) 4294967296)) (+ (* v_z_89 51983914514) c_~p2~0)) (< v_z_89 0)))) .cse29)) .cse30)) .cse31) (or (and (forall ((v_z_81 Int)) (let ((.cse32 (+ .cse2 (* (div (+ (* v_z_81 47985151860) c_~p2~0) 4294967296) 4294967296))) (.cse33 (* v_z_81 47985151859))) (or (= .cse32 (+ .cse33 4294967296 c_~p2~0)) (< v_z_81 0) (< 4294967295 v_z_81) (= .cse32 (+ .cse33 c_~p2~0))))) (forall ((v_z_81 Int)) (or (= (+ .cse2 (* (div (+ (* v_z_81 47985151860) c_~p2~0) 4294967296) 4294967296)) (+ (* v_z_81 47985151859) 4294967296 c_~p2~0)) (< (+ .cse2 v_z_81) 4294967296) (< 4294967295 v_z_81))) (forall ((v_z_81 Int)) (or (< 4294967295 (+ .cse2 v_z_81)) (< v_z_81 0) (= (+ .cse2 (* (div (+ (* v_z_81 47985151860) c_~p2~0) 4294967296) 4294967296)) (+ (* v_z_81 47985151859) c_~p2~0))))) .cse34)) (not (= 29 c_~n1~0))) (or (and (or .cse34 (and (forall ((v_z_72 Int)) (or (< v_z_72 0) (< 4294967295 (+ .cse2 v_z_72)) (= (+ (* v_z_72 62992853675) c_~p2~0) (+ (* (div (+ (* 62992853676 v_z_72) c_~p2~0) 4294967296) 4294967296) .cse2)))) (forall ((v_z_72 Int)) (or (= (+ (* v_z_72 62992853675) 4294967296 c_~p2~0) (+ (* (div (+ (* 62992853676 v_z_72) c_~p2~0) 4294967296) 4294967296) .cse2)) (< 4294967295 v_z_72) (< (+ .cse2 v_z_72) 4294967296))) (forall ((v_z_72 Int)) (let ((.cse35 (* v_z_72 62992853675)) (.cse36 (+ (* (div (+ (* 62992853676 v_z_72) c_~p2~0) 4294967296) 4294967296) .cse2))) (or (< v_z_72 0) (= (+ .cse35 4294967296 c_~p2~0) .cse36) (= (+ .cse35 c_~p2~0) .cse36) (< 4294967295 v_z_72)))))) (or .cse31 (and (or .cse30 (and (or (and (forall ((v_z_75 Int)) (let ((.cse37 (* 68242258148 v_z_75)) (.cse38 (+ .cse2 (* (div (+ (* v_z_75 68242258149) c_~p2~0) 4294967296) 4294967296)))) (or (< 4294967295 v_z_75) (= (+ .cse37 4294967296 c_~p2~0) .cse38) (< v_z_75 0) (= (+ .cse37 c_~p2~0) .cse38)))) (forall ((v_z_75 Int)) (or (< v_z_75 0) (= (+ (* 68242258148 v_z_75) c_~p2~0) (+ .cse2 (* (div (+ (* v_z_75 68242258149) c_~p2~0) 4294967296) 4294967296))) (< 4294967295 (+ .cse2 v_z_75)))) (forall ((v_z_75 Int)) (or (< 4294967295 v_z_75) (= (+ (* 68242258148 v_z_75) 4294967296 c_~p2~0) (+ .cse2 (* (div (+ (* v_z_75 68242258149) c_~p2~0) 4294967296) 4294967296))) (< (+ .cse2 v_z_75) 4294967296)))) .cse29) (or .cse8 (and (or (and (or .cse22 (and (or .cse21 (and (forall ((v_z_78 Int)) (or (< 4294967295 (+ .cse2 v_z_78)) (= (+ .cse2 (* 4294967296 (div (+ (* v_z_78 71741861131) c_~p2~0) 4294967296))) (+ (* v_z_78 71741861130) c_~p2~0)) (< v_z_78 0))) (forall ((v_z_78 Int)) (let ((.cse40 (* v_z_78 71741861130)) (.cse39 (+ .cse2 (* 4294967296 (div (+ (* v_z_78 71741861131) c_~p2~0) 4294967296))))) (or (= .cse39 (+ .cse40 c_~p2~0)) (= (+ 4294967296 .cse40 c_~p2~0) .cse39) (< 4294967295 v_z_78) (< v_z_78 0)))) (forall ((v_z_78 Int)) (or (= (+ 4294967296 (* v_z_78 71741861130) c_~p2~0) (+ .cse2 (* 4294967296 (div (+ (* v_z_78 71741861131) c_~p2~0) 4294967296)))) (< 4294967295 v_z_78) (< (+ .cse2 v_z_78) 4294967296))))) (or .cse18 (and (forall ((v_z_77 Int)) (or (< (+ .cse2 v_z_77) 4294967296) (< 4294967295 v_z_77) (= (+ (* v_z_77 73491662621) 4294967296 c_~p2~0) (+ .cse2 (* (div (+ (* 73491662622 v_z_77) c_~p2~0) 4294967296) 4294967296))))) (forall ((v_z_77 Int)) (or (= (+ .cse2 (* (div (+ (* 73491662622 v_z_77) c_~p2~0) 4294967296) 4294967296)) (+ (* v_z_77 73491662621) c_~p2~0)) (< v_z_77 0) (< 4294967295 (+ .cse2 v_z_77)))) (forall ((v_z_77 Int)) (let ((.cse42 (* v_z_77 73491662621)) (.cse41 (+ .cse2 (* (div (+ (* 73491662622 v_z_77) c_~p2~0) 4294967296) 4294967296)))) (or (= .cse41 (+ .cse42 c_~p2~0)) (< 4294967295 v_z_77) (< v_z_77 0) (= (+ .cse42 4294967296 c_~p2~0) .cse41)))))))) (or .cse9 (and (or (and (forall ((v_z_79 Int)) (or (< (+ .cse2 v_z_79) 4294967296) (< 4294967295 v_z_79) (= (+ (* (div (+ (* v_z_79 76991265604) c_~p2~0) 4294967296) 4294967296) .cse2) (+ (* v_z_79 76991265603) 4294967296 c_~p2~0)))) (forall ((v_z_79 Int)) (or (< v_z_79 0) (= (+ (* v_z_79 76991265603) c_~p2~0) (+ (* (div (+ (* v_z_79 76991265604) c_~p2~0) 4294967296) 4294967296) .cse2)) (< 4294967295 (+ .cse2 v_z_79)))) (forall ((v_z_79 Int)) (let ((.cse44 (* v_z_79 76991265603)) (.cse43 (+ (* (div (+ (* v_z_79 76991265604) c_~p2~0) 4294967296) 4294967296) .cse2))) (or (< v_z_79 0) (< 4294967295 v_z_79) (= .cse43 (+ .cse44 4294967296 c_~p2~0)) (= (+ .cse44 c_~p2~0) .cse43))))) .cse12) (or .cse13 (and (forall ((v_z_80 Int)) (let ((.cse45 (+ (* 4294967296 (div (+ (* v_z_80 75241464113) c_~p2~0) 4294967296)) .cse2)) (.cse46 (* v_z_80 75241464112))) (or (< 4294967295 v_z_80) (= .cse45 (+ .cse46 4294967296 c_~p2~0)) (= .cse45 (+ .cse46 c_~p2~0)) (< v_z_80 0)))) (forall ((v_z_80 Int)) (or (< 4294967295 v_z_80) (= (+ (* 4294967296 (div (+ (* v_z_80 75241464113) c_~p2~0) 4294967296)) .cse2) (+ (* v_z_80 75241464112) 4294967296 c_~p2~0)) (< (+ .cse2 v_z_80) 4294967296))) (forall ((v_z_80 Int)) (or (= (+ (* 4294967296 (div (+ (* v_z_80 75241464113) c_~p2~0) 4294967296)) .cse2) (+ (* v_z_80 75241464112) c_~p2~0)) (< v_z_80 0) (< 4294967295 (+ .cse2 v_z_80))))))))) .cse23) (or (and (forall ((v_z_76 Int)) (let ((.cse48 (* 69992059639 v_z_76)) (.cse47 (+ (* 4294967296 (div (+ (* v_z_76 69992059640) c_~p2~0) 4294967296)) .cse2))) (or (< 4294967295 v_z_76) (= .cse47 (+ 4294967296 .cse48 c_~p2~0)) (= (+ .cse48 c_~p2~0) .cse47) (< v_z_76 0)))) (forall ((v_z_76 Int)) (or (= (+ (* 69992059639 v_z_76) c_~p2~0) (+ (* 4294967296 (div (+ (* v_z_76 69992059640) c_~p2~0) 4294967296)) .cse2)) (< 4294967295 (+ .cse2 v_z_76)) (< v_z_76 0))) (forall ((v_z_76 Int)) (or (< 4294967295 v_z_76) (= (+ (* 4294967296 (div (+ (* v_z_76 69992059640) c_~p2~0) 4294967296)) .cse2) (+ 4294967296 (* 69992059639 v_z_76) c_~p2~0)) (< (+ .cse2 v_z_76) 4294967296)))) .cse26))))) (or (and (or .cse7 (and (forall ((v_z_73 Int)) (or (< (+ .cse2 v_z_73) 4294967296) (= (+ (* v_z_73 64742655166) 4294967296 c_~p2~0) (+ .cse2 (* 4294967296 (div (+ (* v_z_73 64742655167) c_~p2~0) 4294967296)))) (< 4294967295 v_z_73))) (forall ((v_z_73 Int)) (let ((.cse49 (* v_z_73 64742655166)) (.cse50 (+ .cse2 (* 4294967296 (div (+ (* v_z_73 64742655167) c_~p2~0) 4294967296))))) (or (< v_z_73 0) (= (+ .cse49 4294967296 c_~p2~0) .cse50) (= (+ .cse49 c_~p2~0) .cse50) (< 4294967295 v_z_73)))) (forall ((v_z_73 Int)) (or (< v_z_73 0) (< 4294967295 (+ .cse2 v_z_73)) (= (+ (* v_z_73 64742655166) c_~p2~0) (+ .cse2 (* 4294967296 (div (+ (* v_z_73 64742655167) c_~p2~0) 4294967296)))))))) (or .cse1 (and (forall ((v_z_74 Int)) (or (= (+ 4294967296 c_~p2~0 (* v_z_74 66492456657)) (+ .cse2 (* (div (+ (* 66492456658 v_z_74) c_~p2~0) 4294967296) 4294967296))) (< (+ .cse2 v_z_74) 4294967296) (< 4294967295 v_z_74))) (forall ((v_z_74 Int)) (let ((.cse52 (+ .cse2 (* (div (+ (* 66492456658 v_z_74) c_~p2~0) 4294967296) 4294967296))) (.cse51 (* v_z_74 66492456657))) (or (< v_z_74 0) (= (+ 4294967296 c_~p2~0 .cse51) .cse52) (= .cse52 (+ c_~p2~0 .cse51)) (< 4294967295 v_z_74)))) (forall ((v_z_74 Int)) (or (< v_z_74 0) (= (+ .cse2 (* (div (+ (* 66492456658 v_z_74) c_~p2~0) 4294967296) 4294967296)) (+ c_~p2~0 (* v_z_74 66492456657))) (< 4294967295 (+ .cse2 v_z_74))))))) .cse0)))) (not (= c_~n1~0 27))))) (= (mod c_thread1Thread1of1ForFork1_~cond~0 256) 0) (< c_~n2~0 36)) is different from false [2024-08-13 22:19:06,077 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 0 proven. 969 refuted. 4 times theorem prover too weak. 0 trivial. 11 not checked. [2024-08-13 22:19:06,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257605818] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 22:19:06,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 22:19:06,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 42, 66] total 164 [2024-08-13 22:19:06,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551300436] [2024-08-13 22:19:06,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 22:19:06,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 165 states [2024-08-13 22:19:06,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 22:19:06,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2024-08-13 22:19:06,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4802, Invalid=21921, Unknown=13, NotChecked=324, Total=27060 [2024-08-13 22:19:06,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 22:19:06,083 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 22:19:06,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 165 states, 165 states have (on average 2.7696969696969695) internal successors, (457), 164 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 22:19:06,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:19:06,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:19:06,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-13 22:19:06,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 22:19:06,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-13 22:19:06,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 450 states. [2024-08-13 22:19:06,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-08-13 22:19:06,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 22:20:10,644 WARN L293 SmtUtils]: Spent 19.37s on a formula simplification. DAG size of input: 300 DAG size of output: 153 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-13 22:20:13,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-13 22:20:53,066 WARN L293 SmtUtils]: Spent 36.06s on a formula simplification. DAG size of input: 300 DAG size of output: 195 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-13 22:20:55,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-13 22:20:57,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-13 22:20:59,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-13 22:21:43,071 WARN L293 SmtUtils]: Spent 39.69s on a formula simplification. DAG size of input: 228 DAG size of output: 186 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-13 22:22:07,664 WARN L293 SmtUtils]: Spent 23.52s on a formula simplification. DAG size of input: 303 DAG size of output: 158 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-13 22:22:10,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-13 22:22:12,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-13 22:22:13,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-13 22:22:15,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-13 22:22:18,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-13 22:22:20,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-13 22:22:22,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-13 22:22:25,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-13 22:22:58,811 WARN L293 SmtUtils]: Spent 27.62s on a formula simplification. DAG size of input: 193 DAG size of output: 172 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-13 22:23:00,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-13 22:24:31,745 WARN L293 SmtUtils]: Spent 1.45m on a formula simplification. DAG size of input: 229 DAG size of output: 174 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-13 22:24:48,950 WARN L293 SmtUtils]: Spent 15.37s on a formula simplification. DAG size of input: 318 DAG size of output: 157 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-13 22:24:51,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-13 22:24:53,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-13 22:24:55,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-13 22:24:58,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-13 22:25:01,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-13 22:25:03,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Killed by 15